EP3081356A1 - Method for producing a partially harden wood fiberboard, partially solidified wood fiberboard, apparatus for producing the same - Google Patents
Method for producing a partially harden wood fiberboard, partially solidified wood fiberboard, apparatus for producing the same Download PDFInfo
- Publication number
- EP3081356A1 EP3081356A1 EP16164604.7A EP16164604A EP3081356A1 EP 3081356 A1 EP3081356 A1 EP 3081356A1 EP 16164604 A EP16164604 A EP 16164604A EP 3081356 A1 EP3081356 A1 EP 3081356A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood fiber
- fiber board
- solidification
- pressure
- bell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011094 fiberboard Substances 0.000 title claims description 14
- 239000002023 wood Substances 0.000 title description 8
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 67
- 239000002025 wood fiber Substances 0.000 claims abstract description 67
- 238000007711 solidification Methods 0.000 claims abstract description 46
- 230000008023 solidification Effects 0.000 claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 abstract 2
- 238000003825 pressing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 206010042674 Swelling Diseases 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0221—Pore opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0278—Processes; Apparatus involving an additional treatment during or after impregnation
- B27K3/0285—Processes; Apparatus involving an additional treatment during or after impregnation for improving the penetration of the impregnating fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
- B27K3/10—Apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
- B27K5/065—Hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
- E04C2/18—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like with binding wires, reinforcing bars, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2200/00—Wooden materials to be treated
- B27K2200/10—Articles made of particles or fibres consisting of wood or other lignocellulosic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0228—Spraying apparatus, e.g. tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
- B27N7/005—Coating boards, e.g. with a finishing or decorating layer
Definitions
- the invention relates to a method for producing a partially consolidated wood fiber board, such as pressboard, MDF boards and the like. Furthermore, the invention relates to a partially consolidated wood fiber board, and an apparatus for producing such a wood fiber board.
- Wood fiber boards can be provided with a solidifying agent for solidification, so that in particular the risk of swelling is reduced in particular by moisture. Such a treatment is carried out, for example, in panels for laminate floors.
- the solidification agent is applied in strips on the still zuzudicde wood fiber board. Subsequently, the entire upper side of the wood fiber board is pressurized with compressed air, and a negative pressure is applied to the opposite side in order to press or suck the solidifying agent into the plate. Cuts are then made along the hardening strips.
- the problem is that the attachment of hinges and the like in wood fiber boards is problematic.
- the screws break out of the corresponding areas.
- a hinge or the like is arranged to increase the strength of the plate in that the amount of wood chips is increased in these areas.
- this process must already take place during the production of the wood fiber board, ie before the exact cutting of the wood fiber board.
- relatively large areas must be made with increased strength, since the subsequent exact position of the hinges or the like is not known.
- the irregular distribution of wood chips is critical.
- the object of the invention is to provide a method for producing a partially consolidated wood fiber board, which is particularly suitable for the production of doors, cabinet side walls and the like, and in particular allows a reliable attachment of hinges and the like. It is another object of the invention to provide a corresponding wood fiber board as well as a device for their preparation.
- the object is achieved according to the invention by a method for producing a partially consolidated wood fiber board according to claim 1. Concerning a wood fiber board, the solution of the object according to claim 9 and concerning a device for its production according to claim 10.
- the wood fiber board is already cut to size before the partial solidification.
- the wood fiber board is at least roughly cut and preferably already completely tailored to the final dimensions.
- the cut fiberboard is placed in a solidifying device, or the hardening device is placed on the fiberboard.
- a definition of at least one solidification area in which it is in particular is a range in which a hinge or other component is usually to be connected by screws or the like to the wood fiber board.
- the fixing of the at least one strengthening region can take place before or after the arranging of the wood fiber board relative to the solidifying device or also during it.
- a partial application of solidifying agent takes place on an upper side of the wood fiber board in the at least one solidification area.
- PUR with an isocyanate can be used as the solidifying agent. Then there is the generation of a pressure difference in the solidification between the top and a particular opposite bottom of the wood fiber board. This results in a sucking or pressing the solidifying agent in the wood fiber board.
- the two steps of arranging the cut fiberboard in a solidifying apparatus and arranging the solidifying apparatus on the fiberboard and setting the at least one strengthening portion are independent in order. In particular, it is preferred that these two steps take place simultaneously as explained in more detail below in a preferred embodiment of the device.
- the application of the solidifying agent takes place in particular by spraying.
- a pressure bell for generating the pressure difference, which is placed on the top of the wood fiber board in the solidification region.
- the pressure difference between the top and bottom is made and introduced the solidifying agent due to the pressure difference in the wood fiber board.
- the hardening area it is possible, in particular, for the hardening area to be defined by the pressure bell.
- an application device for applying the solidifying agent in particular a spray nozzle, to be arranged in the pressure bell. It is thus possible to place the bell jar on the solidification area, in order subsequently to apply solidifying agent, in particular by spraying, and then again to introduce the agent directly into the fibreboard for pressure generation.
- a suction cup is provided.
- This suction cup may be provided in addition to or instead of the pressure bell.
- the suction cup can be placed on the underside of the fiberboard in a region opposite the solidification region.
- solidifying agent applied to the upper side of the wood fiberboard in the solidification region, in particular sprayed solidifying agent can be sucked into the plate in a simple manner. Even if only one suction cup and no pressure bell is provided, these steps can be well synchronized with each other, so that the production can be done very quickly and easily.
- both a pressure bell and a suction cup which are arranged opposite to each other. These can be arranged in particular on the wood fiber plate according to a gripper, so that the opposite bells grab the wood fiber board in the solidification area or pressed onto the top and / or bottom of the wood fiber board.
- the solidifying agent can be applied in particular by a nozzle in the bell jar and introduced directly into the wood fiber board by applying overpressure in the bell jar and negative pressure in the suction bell.
- the outer contour of the solidification region is preferably corner-free. As a result, a uniform sucking or pressing the solidifying agent is possible.
- the outer contour has only curved or straight areas. It is particularly preferred that the solidification region is circular, part-circular, oval or partially oval.
- the invention relates to a wood fiber board with at least one a cornerless outer contour having solidification region.
- the solidification region has in particular an outer contour with only straight or curved lines.
- the solidification region is circular, part-circular, oval or partially oval.
- the wood fiber board is an already cut wood fiber board.
- the wood fiber board is developed in such a way as described above with reference to the method according to the invention.
- the wood fiber board is produced by the method described above, in particular in its preferred developments.
- the invention relates to an apparatus for producing a partially consolidated wood fiber board, wherein the device is particularly suitable for carrying out the method described above.
- the device according to the invention has an application device such as a spray nozzle for applying solidification agent in a solidification region a top of fiberboard.
- the wood fiber board is in particular an already cut wood fiber board, or a plate in large format.
- a pressure bell can be arranged on top of the fiberboard.
- a suction cup may be arranged in a region opposite the solidification region on an underside of the wood fiber board.
- the application device designed in particular as a nozzle is arranged in the pressure bell. This makes it possible quickly and easily, in particular in an already cut wood fiber board in a well-defined area, as described above with reference to the method to produce a solidification area.
- the device according to the invention is preferably further developed, in particular as described above with reference to the method according to the invention.
- An already cut wood fiberboard 10 such as a cabinet door, a cabinet side wall or the like is placed in a solidification device 12 and gripped by a solidification device 12.
- the solidification device 12 a bell jar 14 and a bell jar 16 on the other side of the wood fiber board 10 opposite the bell jar.
- the two bells 14, 16 are pressed opposite each other on an upper side 18 and an underside 20 of the wood fiber board 10.
- the two bells are in particular identical in size and formed so spherical that a particular ring-shaped edge between the bells 14, 16 and the corresponding Page 18 and 20 of the wood fiber board 10 is realized. It is preferred that the two bells are formed substantially as hemispheres.
- a solidification region 14 is formed, so that the region of the upper side 18, which is arranged under the bell, forms the solidification region 22.
- an application device 24 is arranged in the pressure bell, in particular in its central upper region.
- the applicator is used to apply in particular spraying of solidifying agent on the solidification region 22.
- the nozzle 24 is connected via a hose 26 with a corresponding the means storing and optionally injecting device.
- pressure bell 14 is connected to a pressure hose 28 which is connected to a printing device, not shown, so that in the direction of an arrow 30 compressed air can be supplied.
- the pressure bell 14 opposite suction cup 16 has a suction hose 32 provided with a suction device, so that the air from the inner of the suction cup 16 in the direction of arrow 34 can be sucked. This creates an overpressure p + in the bell jar and a negative pressure p - in the bell 16.
- the two bells can be pressed simultaneously opposite each other on the corresponding sides 18, 20 of the wood fiber board 10.
- an application takes place, in particular spraying of solidification agent with the aid of the nozzle 24.
- compressed air is supplied to the pressure bell 14 by the compressed air hose 28 and at the same time air is discharged via the suction hose 32 sucked off the suction cup 16, so that a pressure difference arises. This leads to the penetration of the solidifying agent applied to the upper side of the solidification region 24 into the wood fiber board, as shown by the arrows 36.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Ein Verfahren zur Herstellung einer partiell verfestigten Holzfaserplatte, die vor der partiellen Verfestigung bereits zugeschnitten ist, weist das Festlegen eines Verfestigungsbereichs (22) auf. Innerhalb des Verfestigungsbereichs (22) wird Verfestigungsmittel auf eine Oberseite (18) der Holzfaserplatte (10) aufgebracht. Insbesondere mit Hilfe einer Druckglocke (14) und/oder einer Saugglocke (16) erfolgt ein Erzeugen einer Druckindifferenz zwischen der Oberseite (18) und der Unterseite (20) der Holzfaserplatte (10) zum Einsaugen von Verfestigungsmittel, das zuvor auf die Oberseite (18) aufgebracht wurde.A method of making a partially consolidated wood fiber board that has already been cut to size prior to partial consolidation includes setting a consolidation area (22). Solidifying agent is applied to an upper side (18) of the wood fiber board (10) within the solidification area (22). In particular with the aid of a pressure bell (14) and / or a suction bell (16), a pressure difference between the upper side (18) and the underside (20) of the wood fiber board (10) for sucking in solidifying agent, which has previously been applied to the upper side (18 ) was applied.
Description
Die Erfindung betrifft ein Verfahren zur Herstellung einer partiell verfestigten Holzfaserplatte, wie beispielsweise Pressspanplatten, MDF-Platten und dergleichen. Ferner betrifft die Erfindung eine partiell verfestigte Holzfaserplatte, sowie eine Vorrichtung zur Herstellung einer derartigen Holzfaserplatte.The invention relates to a method for producing a partially consolidated wood fiber board, such as pressboard, MDF boards and the like. Furthermore, the invention relates to a partially consolidated wood fiber board, and an apparatus for producing such a wood fiber board.
Holzfaserplatten können zur Verfestigung mit einem Verfestigungsmittel versehen werden, so dass insbesondere die Gefahr des Aufquellens insbesondere durch Feuchtigkeit verringert ist. Eine derartige Behandlung erfolgt beispielsweise bei Platten für Laminatböden. Bei diesem in
Des Weiteren besteht beispielsweise bei der Herstellung von Türen, Schrankseitenwänden und dergleichen die Problematik, dass die Befestigung von Scharnieren und dergleichen in Holzfaserplatten problematisch ist. Beispielsweise brechen die Schrauben aus den entsprechenden Bereichen aus. Hierzu ist es bekannt bei nicht zugeschnittenen großen Holzfaserplatten bereits während der Herstellung der Holzfaserplatten in den Bereichen, in denen später gegebenenfalls ein Scharnier oder dergleichen angeordnet wird, die Festigkeit der Platte dadurch zu erhöhen, dass die Menge der Holzspäne in diesen Bereichen erhöht wird. Beim anschließenden Verpressen der Holzfaserplatte Entstehen Bereiche höherer Festigkeit. Dieses Verfahren muss allerdings bereits bei der Herstellung der Holzfaserplatte, d.h. vor dem exakten Zuschnitt der Holzfaserplatte erfolgen. Insofern müssen relativ große Bereiche mit erhöhter Festigkeit hergestellt werden, da die spätere exakte Lage der Scharniere oder dergleichen nicht bekannt ist. Außerdem ist die unregelmäßige Verteilung der Holzspäne kritisch.Furthermore, for example, in the manufacture of doors, cabinet side walls and the like, the problem is that the attachment of hinges and the like in wood fiber boards is problematic. For example the screws break out of the corresponding areas. For this it is known in non-cut large wood fiber boards already during the production of wood fiber boards in the areas in which later, if appropriate, a hinge or the like is arranged to increase the strength of the plate in that the amount of wood chips is increased in these areas. In the subsequent pressing of the wood fiber board arise areas of higher strength. However, this process must already take place during the production of the wood fiber board, ie before the exact cutting of the wood fiber board. In this respect, relatively large areas must be made with increased strength, since the subsequent exact position of the hinges or the like is not known. In addition, the irregular distribution of wood chips is critical.
Aufgabe der Erfindung ist es ein Verfahren zur Herstellung einer partiell verfestigten Holzfaserplatte zu schaffen, die insbesondere zur Herstellung von Türen, Schrankseitenwänden und dergleichen geeignet ist und insbesondere eine zuverlässige Befestigung von Scharnieren und dergleichen ermöglicht. Ferner ist es Aufgabe der Erfindung eine entsprechende Holzfaserplatte sowie auch eine Vorrichtung zu deren Herstellung zu schaffen.The object of the invention is to provide a method for producing a partially consolidated wood fiber board, which is particularly suitable for the production of doors, cabinet side walls and the like, and in particular allows a reliable attachment of hinges and the like. It is another object of the invention to provide a corresponding wood fiber board as well as a device for their preparation.
Die Lösung der Aufgabe erfolgt erfindungsgemäß durch ein Verfahren zur Herstellung einer partiell verfestigten Holzfaserplatte gemäß Anspruch 1. Betreffend eine Holzfaserplatte erfolgt die Lösung der Aufgabe gemäß Anspruch 9 und betreffend eine Vorrichtung zu dessen Herstellung gemäß Anspruch 10.The object is achieved according to the invention by a method for producing a partially consolidated wood fiber board according to claim 1. Concerning a wood fiber board, the solution of the object according to claim 9 and concerning a device for its production according to
Ein wesentliches Merkmal des erfindungsgemäßen Verfahrens besteht darin, dass die Holzfaserplatte vor der partiellen Verfestigung bereits zugeschnitten ist. Hierbei ist die Holzfaserplatte zumindest grob zugeschnitten und vorzugsweise bereits vollständig auf das Endmaß zugeschnitten. Die zugeschnittene Holzfaserplatte wird in einer Verfestigungsvorrichtung angeordnet bzw. die Verfestigungsvorrichtung wird an der Holzfaserplatte angeordnet. Ferner erfolgt ein Festlegen mindestens eines Verfestigungsbereiches, bei dem es sich insbesondere um einen Bereich handelt, in dem ein Scharnier oder ein anderes Bauteil üblicherweise über Schrauben oder dergleichen mit der Holzfaserplatte verbunden werden soll. Hierbei kann das Festlegen des mindestens einen Festigungsbereichs vor oder nach dem Anordnen der Holzfaserplatte relativ zur Verfestigungsvorrichtung oder auch währenddessen erfolgen. Sodann erfolgt ein partielles Aufbringen von Verfestigungsmittel auf einer Oberseite der Holzfaserplatte in dem mindestens einen Verfestigungsbereich. Als Verfestigungsmittel kann hierbei insbesondere PUR mit einem Isocyanat eingesetzt werden. Sodann erfolgt das Erzeugen einer Druckdifferenz im Verfestigungsbereich zwischen der Oberseite und einer insbesondere gegenüberliegenden Unterseite der Holzfaserplatte. Hierdurch erfolgt ein Einsaugen bzw. Eindrücken des Verfestigungsmittels in die Holzfaserplatte. Mit dem erfindungsgemäßen Verfahren ist es somit auf einfache Art und Weise möglich, einen exakt definierten Befestigungsbereich, an dem beispielsweise ein Scharnier angeordnet werden soll, nachträglich, das heißt bei einer bereits zugeschnittenen Holzfaserplatte vorzusehen und somit ein Verfestigen eines exakt definierten Bereichs zu gewährleisten.An essential feature of the method according to the invention is that the wood fiber board is already cut to size before the partial solidification. Here, the wood fiber board is at least roughly cut and preferably already completely tailored to the final dimensions. The cut fiberboard is placed in a solidifying device, or the hardening device is placed on the fiberboard. Furthermore, a definition of at least one solidification area, in which it is in particular is a range in which a hinge or other component is usually to be connected by screws or the like to the wood fiber board. In this case, the fixing of the at least one strengthening region can take place before or after the arranging of the wood fiber board relative to the solidifying device or also during it. Then, a partial application of solidifying agent takes place on an upper side of the wood fiber board in the at least one solidification area. In particular, PUR with an isocyanate can be used as the solidifying agent. Then there is the generation of a pressure difference in the solidification between the top and a particular opposite bottom of the wood fiber board. This results in a sucking or pressing the solidifying agent in the wood fiber board. With the method according to the invention, it is thus possible in a simple manner to subsequently provide a precisely defined fastening region on which, for example, a hinge is to be arranged, that is to say in the case of an already cut wood fiberboard and thus to ensure solidification of a precisely defined region.
Insbesondere die beiden Schritte des Anordnens der zugeschnittenen Holzfaserplatte in einer Verfestigungsvorrichtung bzw. das Anordnen der Verfestigungsvorrichtung an der Holzfaserplatte und das Festlegen des mindestens einen Verfestigungsbereichs sind in der Reihenfolge unabhängig voneinander. Bevorzugt ist es insbesondere, dass diese beiden Schritte gleichzeitig erfolgen wie nachstehend in einer bevorzugten Ausführungsform der Vorrichtung näher erläutert.In particular, the two steps of arranging the cut fiberboard in a solidifying apparatus and arranging the solidifying apparatus on the fiberboard and setting the at least one strengthening portion are independent in order. In particular, it is preferred that these two steps take place simultaneously as explained in more detail below in a preferred embodiment of the device.
Das Aufbringen des Verfestigungsmittels erfolgt insbesondere durch Aufsprühen.The application of the solidifying agent takes place in particular by spraying.
Besonders bevorzugt ist es, zur Erzeugung der Druckdifferenz eine Druckglocke vorzusehen, die auf die Oberseite der Holzfaserplatte in dem Verfestigungsbereich aufgesetzt wird. Durch die Erzeugung von Überdruck in der Druckglocke wird die Druckdifferenz zwischen Oberseite und Unterseite hergestellt und das Verfestigungsmittel aufgrund der Druckdifferenz in die Holzfaserplatte eingebracht. Hierbei ist es insbesondere möglich, dass durch die Druckglocke der Verfestigungsbereich definiert ist. Besonders bevorzugt ist es sodann, dass eine Aufbringvorrichtung zum Aufbringen des Verfestigungsmittels, insbesondere eine Sprühdüse in der Druckglocke angeordnet ist. Es ist somit möglich, die Druckglocke auf den Verfestigungsbereich aufzusetzen, um anschließend Verfestigungsmittel insbesondere durch Sprühen aufzubringen und sodann wiederum unmittelbar anschließend für eine Druckerzeugung das Mittel in die Holzfaserplatte einzubringen. Bei dieser bevorzugten Ausführungsform des erfindungsgemäßen Verfahrens ist somit kein zusätzliches Handling oder dergleichen der Platte nötig. Vielmehr erfolgt das Verfestigen des entsprechenden Bereiches in einem Arbeitsgang. Weiter bevorzugt ist es hierbei, dass die Druckglocke selbst gegebenenfalls zusammen mit anderen Halteelementen das Anordnen der zugeschnittenen Holzfaserplatte in der Verfestigungsvorrichtung realisiert bzw. die Druckglocke als Verfestigungsvorrichtung an der Holzplatte angeordnet wird.It is particularly preferred to provide a pressure bell for generating the pressure difference, which is placed on the top of the wood fiber board in the solidification region. By generating overpressure in the Pressure bell, the pressure difference between the top and bottom is made and introduced the solidifying agent due to the pressure difference in the wood fiber board. In this case, it is possible, in particular, for the hardening area to be defined by the pressure bell. It is then particularly preferred for an application device for applying the solidifying agent, in particular a spray nozzle, to be arranged in the pressure bell. It is thus possible to place the bell jar on the solidification area, in order subsequently to apply solidifying agent, in particular by spraying, and then again to introduce the agent directly into the fibreboard for pressure generation. In this preferred embodiment of the method according to the invention thus no additional handling or the like of the plate is necessary. Rather, the solidification of the corresponding area is done in one operation. In this case, it is further preferred that the pressure bell itself, possibly together with other holding elements, realizes the arrangement of the cut wood fiber board in the solidifying device or the pressure bell is arranged as a solidifying device on the wood board.
Bei einer besonders bevorzugten Ausführungsform der Erfindung ist eine Saugglocke vorgesehen. Diese Saugglocke kann zusätzlich oder anstelle der Druckglocke vorgesehen sein. Insbesondere ist die Saugglocke auf die Unterseite der Holzfaserplatte in einem dem Verfestigungsbereich gegenüberliegenden Bereich aufsetzbar. Durch Erzeugung von Unterdruck in der Saugglocke kann auf die Oberseite der Holzfaserplatte im Verfestigungsbereich aufgebrachtes, insbesondere aufgesprühtes Verfestigungsmittel auf einfache Weise in die Platte eingesaugt werden. Auch wenn nur eine Saugglocke und keine Druckglocke vorgesehen ist, können diese Arbeitsschritte gut miteinander synchronisiert werden, so dass die Herstellung sehr schnell und einfach erfolgen kann.In a particularly preferred embodiment of the invention, a suction cup is provided. This suction cup may be provided in addition to or instead of the pressure bell. In particular, the suction cup can be placed on the underside of the fiberboard in a region opposite the solidification region. By generating negative pressure in the suction cup, solidifying agent applied to the upper side of the wood fiberboard in the solidification region, in particular sprayed solidifying agent, can be sucked into the plate in a simple manner. Even if only one suction cup and no pressure bell is provided, these steps can be well synchronized with each other, so that the production can be done very quickly and easily.
Besonders bevorzugt ist es, sowohl eine Druckglocke als auch eine Saugglocke vorzusehen, die einander gegenüberliegend angeordnet sind. Diese können insbesondere an der Holzfaserplatte entsprechend eines Greifers angeordnet werden, so dass die gegenüberliegenden Glocken die Holzfaserplatte im Verfestigungsbereich greifen bzw. auf die Oberseite und/oder Unterseite der Holzfaserplatte gedrückt werden. Anschließend kann insbesondere durch eine Düse in der Druckglocke das Verfestigungsmittel aufgebracht und durch Anlegen von Überdruck in der Druckglocke und Unterdruck in der Saugglocke unmittelbar in die Holzfaserplatte eingebracht werden. Hierdurch ist die Herstellung von Verfestigungsbereichen, in denen insbesondere Scharniere oder dergleichen angeordnet werden sollen, präzise, schnell und einfach realisierbar.It is particularly preferred to provide both a pressure bell and a suction cup, which are arranged opposite to each other. these can be arranged in particular on the wood fiber plate according to a gripper, so that the opposite bells grab the wood fiber board in the solidification area or pressed onto the top and / or bottom of the wood fiber board. Subsequently, the solidifying agent can be applied in particular by a nozzle in the bell jar and introduced directly into the wood fiber board by applying overpressure in the bell jar and negative pressure in the suction bell. As a result, the production of solidification areas, in which in particular hinges or the like to be arranged, precise, fast and easy to implement.
Die Außenkontur des Verfestigungsbereichs ist vorzugsweise eckenfrei. Hierdurch ist ein gleichmäßiges Einsaugen bzw. ein Drücken des Verfestigungsmittels möglich. Insbesondere weist die Außenkontur nur gekrümmte oder gerade Bereiche auf. Besonders bevorzugt ist es, dass der Verfestigungsbereich kreisförmig, teilkreisförmig, oval oder teiloval ist.The outer contour of the solidification region is preferably corner-free. As a result, a uniform sucking or pressing the solidifying agent is possible. In particular, the outer contour has only curved or straight areas. It is particularly preferred that the solidification region is circular, part-circular, oval or partially oval.
Des Weiteren betrifft die Erfindung eine Holzfaserplatte mit mindestens einem eine eckenfreie Außenkontur aufweisenden Verfestigungsbereich. Der Verfestigungsbereich weist insbesondere eine Außenkontur mit nur geraden oder gekrümmten Linien auf. Vorzugsweise ist der Verfestigungsbereich kreisförmig, teilkreisförmig, oval oder teiloval. Insbesondere handelt es sich bei der Holzfaserplatte um eine bereits zugeschnittene Holzfaserplatte. Besonders bevorzugt ist die Holzfaserplatte derart weitergebildet, wie vorstehend anhand des erfindungsgemäßen Verfahrens beschrieben. Insbesondere ist die Holzfaserplatte nach dem vorstehend beschriebenen Verfahren insbesondere in dessen bevorzugten Weiterbildungen hergestellt.Furthermore, the invention relates to a wood fiber board with at least one a cornerless outer contour having solidification region. The solidification region has in particular an outer contour with only straight or curved lines. Preferably, the solidification region is circular, part-circular, oval or partially oval. In particular, the wood fiber board is an already cut wood fiber board. Particularly preferably, the wood fiber board is developed in such a way as described above with reference to the method according to the invention. In particular, the wood fiber board is produced by the method described above, in particular in its preferred developments.
Des Weiteren betrifft die Erfindung eine Vorrichtung zur Herstellung einer partiell verfestigten Holzfaserplatte, wobei die Vorrichtung insbesondere zur Durchführung des vorstehend beschriebenen Verfahrens geeignet ist. Die erfindungsgemäße Vorrichtung weist eine Auftragvorrichtung wie eine Sprühdüse zum Auftragen von Verfestigungsmittel in einem Verfestigungsbereich auf einer Oberseite der Holzfaserplatte auf. Bei der Holzfaserplatte handelt es sich insbesondere um eine bereits zugeschnittene Holzfaserplatte, oder einer Platte im Großformat. In dem Verfestigungsbereich ist eine Druckglocke auf der Oberseite der Holzfaserplatte anordenbar. Zusätzlich oder anstelle des Vorsehens einer Druckglocke kann eine Saugglocke in einem dem Verfestigungsbereich gegenüberliegenden Bereich auf einer Unterseite der Holzfaserplatte angeordnet sein. Durch Anlegen von Überdruck in der Druckglocke und/oder durch Anlegen von Unterdruck in der Saugglocke kann eine Druckdifferenz zwischen der Oberseite und der Unterseite der Holzfaserplatte zum Einbringen bzw. Einsaugen des Verfestigungsmittels in die Holzfaserplatte erzeugt werden.Furthermore, the invention relates to an apparatus for producing a partially consolidated wood fiber board, wherein the device is particularly suitable for carrying out the method described above. The device according to the invention has an application device such as a spray nozzle for applying solidification agent in a solidification region a top of fiberboard. The wood fiber board is in particular an already cut wood fiber board, or a plate in large format. In the solidification area, a pressure bell can be arranged on top of the fiberboard. In addition to or instead of providing a pressure bell, a suction cup may be arranged in a region opposite the solidification region on an underside of the wood fiber board. By applying overpressure in the bell jar and / or by applying negative pressure in the suction bell, a pressure difference between the top and the bottom of the wood fiber board for introducing or sucking the solidifying agent can be generated in the wood fiber board.
Vorzugsweise ist die insbesondere als Düse ausgebildete Auftragsvorrichtung in der Druckglocke angeordnet. Hierdurch ist es schnell und einfach möglich insbesondere bei einer bereits zugeschnittenen Holzfaserplatte in einem exakt definierten Bereich, wie vorstehend anhand des Verfahrens beschrieben, einen Verfestigungsbereich herzustellen.Preferably, the application device designed in particular as a nozzle is arranged in the pressure bell. This makes it possible quickly and easily, in particular in an already cut wood fiber board in a well-defined area, as described above with reference to the method to produce a solidification area.
Die erfindungsgemäße Vorrichtung ist vorzugsweise, insbesondere wie vorstehend anhand des erfindungsgemäßen Verfahrens beschrieben, vorteilhaft weitergebildet.The device according to the invention is preferably further developed, in particular as described above with reference to the method according to the invention.
Nachfolgend wird die Erfindung anhand zweier bevorzugter Ausführungsformen anhand der anliegenden schematischen Zeichnungen näher erläutert.The invention will be explained in more detail with reference to two preferred embodiments with reference to the accompanying schematic drawings.
Es zeigen:
- Fig. 1
- eine schematische Schnittansicht einer Vorrichtung zur Herstellung einer partiell verfestigten Holzfaserplatte in schematischer, vereinfachter Darstellung und
- Fig. 2
- eine schematische Draufsicht einer Holzfaserplatte mit einem durch die in
Fig. 1 dargestellte Vorrichtung hergestellten Verfestigungsbereich.
- Fig. 1
- a schematic sectional view of an apparatus for producing a partially consolidated wood fiber board in a schematic, simplified representation and
- Fig. 2
- a schematic plan view of a wood fiber board with a through the in
Fig. 1 illustrated device solidification area.
Eine bereits zugeschnittene Holzfaserplatte 10 wie beispielsweise eine Schranktür, eine Schrankseitenwand oder dergleichen wird in einer Verfestigungsvorrichtung 12 angeordnet bzw. von einer Verfestigungsvorrichtung 12 gegriffen. Im dargestellten Ausführungsbeispiel weist die die Verfestigungsvorrichtung 12 eine Druckglocke 14 sowie eine der Druckglocke auf der anderen Seite der Holzfaserplatte 10 gegenüberliegende Saugglocke 16 auf. Die beiden Glocken 14, 16 werden einander gegenüberliegend auf eine Oberseite 18 bzw. eine Unterseite 20 der Holzfaserplatte 10 gedrückt. Hierbei erfolgt insbesondere ein dichtendes Abschließen zwischen dem die Holzfaserplatte 10 berührenden Rand der Glocken und der Holzfaserplatte 10. Die beiden Glocken sind insbesondere in ihrer Größe identisch ausgebildet und derart sphärisch ausgebildet, dass ein insbesondere ringförmig ausgebildeter Rand zwischen den Glocken 14, 16 und der entsprechenden Seite 18 bzw. 20 der Holzfaserplatte 10 realisiert ist. Bevorzugt ist es, dass die beiden Glocken im Wesentlichen als Halbkugeln ausgebildet sind.An already cut
In einer besonders bevorzugten, einfachen Ausführungsform der Erfindung wird ein Verfestigungsbereich 14 ausgebildet, so dass der Bereich der Oberseite 18, der unter der Glocke angeordnet ist, den Verfestigungsbereich 22 ausbildet.In a particularly preferred, simple embodiment of the invention, a
In der dargestellten bevorzugten Ausführungsform ist eine Auftragsvorrichtung 24 in der Druckglocke insbesondere in deren zentralen oberen Bereich angeordnet. Die Auftragsvorrichtung dient zum Aufbringen insbesondere Aufsprühen von Verfestigungsmittel auf den Verfestigungsbereich 22. Hierzu ist die Düse 24 über einen Schlauch 26 mit einer entsprechenden das Mittel bevorratenden und gegebenenfalls einspritzenden Vorrichtung verbunden.In the illustrated preferred embodiment, an
Ferner ist die Druckglocke 14 mit einem Druckschlauch 28 verbunden, der mit einer nicht dargestellten Druckvorrichtung verbunden ist, so dass in Richtung eines Pfeils 30 Druckluft zugeführt werden kann.Furthermore, the
Die der Druckglocke 14 gegenüberliegende Saugglocke 16 weist einen mit einer Saugvorrichtung versehenen Saugschlauch 32 auf, so dass die Luft aus dem inneren der Saugglocke 16 in Richtung eines Pfeils 34 abgesaugt werden kann. Hierdurch entsteht in der Druckglocke ein Überdruck p+ und in der Glocke 16 ein Unterdruck p-.The
Zur Durchführung des erfindungsgemäßen Verfahrens mit der bevorzugten in
Claims (11)
einer Auftragsvorrichtung (24) zum Auftragen von Verfestigungsmittel in einem Verfestigungsbereich (22) auf einer Oberseite (18) der Holzfaserplatte (10),
einer in dem bzw. um den Verfestigungsbereich (22) anordenbaren Druckglocke (14) auf der Oberseite (18) der Holzfaserplatte (10) und/oder
einer in einer dem Verfestigungsbereich (22) gegenüberliegenden Bereich auf einer Unterseite (20) der Holzfaserplatte (10) anordenbaren Saugglocke (16),
wobei durch Anlegen von Überdruck in der Druckglocke (14) und/oder durch Anlegen von Unterdruck in der Saugglocke (16) eine Druckdifferenz zwischen Oberseite (18) und der Unterseite (20) der Holzfaserplatte (10) zum Einbringen des Verfestigungsmittels in die Holzfaserplatte (10) erzeugt werden kann.Apparatus for producing a partially consolidated wood fiber board, in particular by a method according to one of claims 1 to 8, with
an application device (24) for applying solidification agent in a solidification region (22) on an upper side (18) of the wood fiber board (10),
a pressure bell (14) which can be arranged in or around the solidification region (22) on the upper side (18) of the fibreboard (10) and / or
a suction cup (16) which can be arranged on a lower side (20) of the wood fiber board (10) in an area opposite the solidification region (22),
wherein by applying overpressure in the pressure bell (14) and / or by applying negative pressure in the suction cup (16) a pressure difference between the top (18) and the bottom (20) of the wood fiber board (10) for introducing the solidifying agent in the wood fiber board ( 10) can be generated.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015206804.8A DE102015206804A1 (en) | 2015-04-15 | 2015-04-15 | Process for producing a partially consolidated wood fiber board, partially solidified wood fiber board, apparatus for producing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3081356A1 true EP3081356A1 (en) | 2016-10-19 |
Family
ID=55802193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16164604.7A Withdrawn EP3081356A1 (en) | 2015-04-15 | 2016-04-11 | Method for producing a partially harden wood fiberboard, partially solidified wood fiberboard, apparatus for producing the same |
Country Status (3)
Country | Link |
---|---|
US (1) | US20160303759A1 (en) |
EP (1) | EP3081356A1 (en) |
DE (1) | DE102015206804A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112248181B (en) * | 2020-10-12 | 2023-02-28 | 重庆非可智能家居有限公司 | Door plate edge sealing production method |
CN112249693B (en) * | 2020-10-12 | 2023-01-20 | 重庆非可智能家居有限公司 | Transfer device for door plate edge sealing |
CN112792948B (en) * | 2021-01-05 | 2022-07-08 | 河南省予卓信息科技有限公司 | Fiberboard paving forming device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2474399A1 (en) | 2011-01-06 | 2012-07-11 | Flooring Technologies Ltd. | Method and device for targeted influence of the technological characteristics of individual areas of a wooden board, a pre-compressed wooden fabric or a wood fibre cake |
-
2015
- 2015-04-15 DE DE102015206804.8A patent/DE102015206804A1/en not_active Ceased
-
2016
- 2016-04-11 EP EP16164604.7A patent/EP3081356A1/en not_active Withdrawn
- 2016-04-13 US US15/097,829 patent/US20160303759A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2474399A1 (en) | 2011-01-06 | 2012-07-11 | Flooring Technologies Ltd. | Method and device for targeted influence of the technological characteristics of individual areas of a wooden board, a pre-compressed wooden fabric or a wood fibre cake |
WO2012093090A2 (en) * | 2011-01-06 | 2012-07-12 | Flooring Technologies Ltd. | Method and device for specifically influencing the technological properties of individual regions of a sheet-like material, a pre-compacted material nonwoven or a material fibre cake |
Also Published As
Publication number | Publication date |
---|---|
US20160303759A1 (en) | 2016-10-20 |
DE102015206804A1 (en) | 2016-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2537653B1 (en) | Method for manufacturing a composite wood board | |
DE69508525T2 (en) | Process for the production of layered composite panels and panels thus produced | |
EP3081356A1 (en) | Method for producing a partially harden wood fiberboard, partially solidified wood fiberboard, apparatus for producing the same | |
DE102017202520B4 (en) | Method and device for joining two gasket ends in a joint area | |
EP3183110B1 (en) | Method for producing a seal on a component part and shaping tool for use in such a method | |
DE102018112727B4 (en) | Process and system for the production of a material plate and pressed material mat | |
EP3464912A1 (en) | Device for producing components and production method | |
EP2474399B1 (en) | Method and device for targeted influence of the technological characteristics of individual areas of a wooden board, a pre-compressed wooden fabric or a wood fibre cake | |
EP3098043B1 (en) | Method for producing a fibreboard with improved mechanical and chemical properties | |
DE102007062087B4 (en) | Hybrid joining method for overlap joints | |
EP3318378A1 (en) | Method for coating uneven surfaces, device and component | |
EP2934841A1 (en) | Process for the preparation of a semifinished product made of fibre material prior to a wet pressing process | |
DE102006045635B4 (en) | Method for bonding precured or cured stringers to at least one structural component of an aircraft or spacecraft | |
EP3030394B1 (en) | Near-field levitation | |
EP3396080B1 (en) | Method for producing a lightweight element | |
EP3891353A1 (en) | Method and device for producing thermoplastic spacers | |
EP3560740B1 (en) | Method and device for fitting a vehicle rail | |
EP3539757B1 (en) | Device and method for adhesion of plastic profiles | |
DE102017213233A1 (en) | Punch riveting apparatus and method for joining components | |
EP3356111A1 (en) | Device for forming add-on parts | |
WO2012156200A1 (en) | Combined press lamination and membrane lamination | |
DE102017218279A1 (en) | Method and device for connecting two sealing ends in a joint area | |
DE19747607A1 (en) | Punching method for hollow workpieces | |
EP1987923A2 (en) | Layer with limited air permeability for a device for positioning workpieces | |
DE102013206982A1 (en) | Press tool with air ejector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
17P | Request for examination filed |
Effective date: 20170213 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
17Q | First examination report despatched |
Effective date: 20191022 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20200603 |