WO2003039848A1 - Equipment and method for producing a box - Google Patents

Equipment and method for producing a box Download PDF

Info

Publication number
WO2003039848A1
WO2003039848A1 PCT/ZA2002/000167 ZA0200167W WO03039848A1 WO 2003039848 A1 WO2003039848 A1 WO 2003039848A1 ZA 0200167 W ZA0200167 W ZA 0200167W WO 03039848 A1 WO03039848 A1 WO 03039848A1
Authority
WO
WIPO (PCT)
Prior art keywords
box
mandrel
sides
flap
base plate
Prior art date
Application number
PCT/ZA2002/000167
Other languages
French (fr)
Inventor
Stephanus Petrus De Beer
Willem Petrus Johannes Bornmann
Original Assignee
Fanatics Trading 9 (Pty) Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fanatics Trading 9 (Pty) Limited filed Critical Fanatics Trading 9 (Pty) Limited
Publication of WO2003039848A1 publication Critical patent/WO2003039848A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/502—Construction of rigid or semi-rigid containers having integral corner posts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings

Definitions

  • This invention relates to equipment and a method for producing a box and more particularly, but not exclusively, to equipment and a method for folding a cardboard box for packaging fruit, vegetables and the like.
  • a known type of fruit box comprises a cardboard blank, folded so as to form a tray, having a rectangular base with upright side walls, and reinforced corner pillars at each corner to increase the top load resistance of the boxes, thus enhancing the stackability of the boxes.
  • corner pillars are formed by folding a series of pillar forming panels in the cardboard blank.
  • Known machinery for producing such boxes includes a plurality of arms connected to longitudinally acting pneumatic cylinders. Disadvantages of such known machinery include a requirement for space within the box, as certain of the folding steps require the longitudinally acting pneumatic cylinders to be positioned within the box. This disadvantage results in certain minimum size limitations for boxes of this type.
  • a mandrel for use in machinery for producing a box having folded corner pillars from a pre-configured box blank, the mandrel including a base plate, having a pair of opposed first sides and a pair of opposed second sides, the sides located so as to correspond to sides of the box; a pair of flaps, each flap being hingedly connected to one of the first sides, so as to be movable between an extended position wherein the flap lies in substantially the same plane as the base plate, and an upright position wherein the flap is substantially perpendicular to the base plate, and each flap being provided at each end thereof with a deflecting formation; and the mandrel further being provided with a plurality of folding arms, each folding arm being associated with a corner of the box and angularly displaceable between a receiving position and a finishing position.
  • the mandrel may include corner posts, each corresponding to a corner of the box, about which the corner pillars may be folded.
  • the mandrel may include an upper plate, to which the folding arms may be connected.
  • the angular movement of the folding arm may be achieved by pneumatic, hydraulic or other mechanical means.
  • each of the folding arms is connected to an angularly acting pneumatic actuator.
  • Each of the actuators may be fixed to the upper plate.
  • the mandrel may be provided with displacement means for causing the relative displacement of the base plate and the upper plate.
  • the displacement means may be hydraulically or pneumatically activated.
  • Each of the folding arms may be mounted on a shaft extending between the base plate and the upper plate.
  • the shaft may be provided with a spiral cam-and-spigot arrangement, so as to achieve the angular displacement of the folding arms by mechanical translation of the movement between first position and the second position.
  • machinery for producing a box having folded corner pillars including a mandrel as defined above, and an associated jig into which a box blank is pressed, so as to fold the blank to form a box.
  • a box having folded corner pillars the method including the steps of locating a box blank, having a base, side panels and pillar forming panels, over a jig; depressing
  • the blank into a recess in the jig, so as to fold the side panels of the blank perpendicular to the base of the blank; folding pillar forming panels about corner posts; and angularly displacing folding arms from a receiving position to a finishing position, wherein the
  • folding arms press against the pillar forming panels, urging them against the sides of the box.
  • Figure 1 shows a box of the type produced by machinery and a method in accordance with the invention
  • Figure 2 shows a cardboard blank for producing the box shown in figure 1 ;
  • Figure 3 shows a layout of a base plate of a mandrel in accordance with the invention, showing flaps in an extended position
  • Figure 4 shows the layout shown in figure 3 with the flaps in an upright position
  • Figure 5 is an side view of the mandrel shown in figure 2, showing the flaps in an
  • Figure 6 is an side view of the mandrel shown in figure 2, showing the flaps in an upright position and the folding arms in a finishing position;
  • Figure 7 is a perspective view of the mandrel shown in figure 2, showing the operation of a flap
  • Figure 8 shows a layout of a base plate of a mandrel in accordance with an alternative embodiment of the invention, showing flaps in an extended position and folding arms in a receiving position;
  • Figure 9 shows the layout shown in figure 8 with the flaps in an upright position and the folding arms in a finishing position
  • Figure 10 is an end view of the mandrel shown in figure 8, showing the flaps in the extended position and the folding arms in the receiving position;
  • Figure 11 is an end view of the mandrel shown in figure 8, showing the flaps in the upright position and the folding arms in the finishing position.
  • a box (1 ), as shown in figure 1 has a base (2), a pair of first, longitudinal sides (3), and a pair of second, transverse sides (4).
  • the box (1 ) has corner pillars (5) at each corner thereof, so as to increase the top-load resistance thereof.
  • the box (1) is formed by folding a cardboard box blank (6), such as the one shown in figure 2.
  • the blank (6) is provided with a series of pillar forming panels (7) at each corner.
  • Machinery in accordance with a preferred embodiment of the invention includes a
  • the mandrel (10) has a base plate (14) with a
  • the mandrel is provided with a pair of flaps (13),
  • Each of the flaps (13) is provided at each end thereof with a deflecting formation
  • the mandrel (10) includes an upper plate (20), having corners substantially
  • the mandrel (10) is located in machinery including a jig (not shown), having a
  • the mandrel (10) is depressed onto the blank (6), forcing the base (2) thereof
  • the jig is configured so as to cause the sides (4) with the pillar forming
  • the hinged flaps (13) are deflected from their extended position into their upright
  • the folding arm (16) engages the inwardly deflected pillar forming panels (7) and continues to its finishing position pressing them against a side (4) of the box to form the
  • the folding arm (16) is then displaced back to its receiving position, and the
  • the finished box (1 ) is removed from the jig and the cycle repeated with a new
  • the mandrel (50) includes an upper plate (53), having corners substantially
  • the upper plate (53) is displaceable between a first position, shown in figure 10, and a second position, shown in figure 1 1 , the second position being closer to the base plate (52) than the first position.
  • the mandrel (50) is provided with pneumatically activated displacement means (not shown) for displacing the upper plate (53) between the first position, shown in figure 10, and a second position, shown in figure 1 1 , the second position being closer to the base plate (52) than the first position.
  • the mandrel (50) is provided with pneumatically activated displacement means (not shown) for displacing the upper plate (53) between the first
  • Each of the folding arms (51 ) is connected to a sleeve (55) mounted on a shaft (56) extending between the base plate (52) and the upper plate (53).
  • the sleeve (55) and shaft (56) are provided with a spiral cam-and-spigot

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  • Making Paper Articles (AREA)

Abstract

The invention relates to a mandrel (10) for use in machinery for producing a (1) box having folded corner pillars (5) from a pre-configured box blank (6), the mandrel (10) including a base plate (14), having a pair of opposed first sides (11) and a pair of opposed second sides (12), the sides located so as to correspond to sides of the box; a pair of flaps (13), each flap being hingedly connected to one of the first sides (11), so as to be movable between an extended position wherein the flap lies in substantially the same plane as the base plate, and an upright position wherein the flap (13) is substantially perpendicular to the base plate (12), and each flap being provided at each end thereof with a deflecting formation (15); and the mandrel further being provided with a plurality of folding arms (16), each folding arm being associated with a corner of the box and angularly displaceable between a receiving position and a finishing position. The invention also extends to a method for producing a box.

Description

EQUIPMENT AND METHOD FOR PRODUCING A BOX
Technical Field
This invention relates to equipment and a method for producing a box and more particularly, but not exclusively, to equipment and a method for folding a cardboard box for packaging fruit, vegetables and the like.
Background Art
A known type of fruit box comprises a cardboard blank, folded so as to form a tray, having a rectangular base with upright side walls, and reinforced corner pillars at each corner to increase the top load resistance of the boxes, thus enhancing the stackability of the boxes. These corner pillars are formed by folding a series of pillar forming panels in the cardboard blank. Known machinery for producing such boxes includes a plurality of arms connected to longitudinally acting pneumatic cylinders. Disadvantages of such known machinery include a requirement for space within the box, as certain of the folding steps require the longitudinally acting pneumatic cylinders to be positioned within the box. This disadvantage results in certain minimum size limitations for boxes of this type.
It is accordingly an object of this invention to provide equipment and a method for producing a box which seek to overcome or at least minimise the above disadvantage.
Disclosure of the Invention
According to a first aspect of the invention, there is provided a mandrel for use in machinery for producing a box having folded corner pillars from a pre-configured box blank, the mandrel including a base plate, having a pair of opposed first sides and a pair of opposed second sides, the sides located so as to correspond to sides of the box; a pair of flaps, each flap being hingedly connected to one of the first sides, so as to be movable between an extended position wherein the flap lies in substantially the same plane as the base plate, and an upright position wherein the flap is substantially perpendicular to the base plate, and each flap being provided at each end thereof with a deflecting formation; and the mandrel further being provided with a plurality of folding arms, each folding arm being associated with a corner of the box and angularly displaceable between a receiving position and a finishing position.
The mandrel may include corner posts, each corresponding to a corner of the box, about which the corner pillars may be folded. The mandrel may include an upper plate, to which the folding arms may be connected.
The angular movement of the folding arm may be achieved by pneumatic, hydraulic or other mechanical means.
Preferably, each of the folding arms is connected to an angularly acting pneumatic actuator. Each of the actuators may be fixed to the upper plate.
Alternatively, The mandrel may be provided with displacement means for causing the relative displacement of the base plate and the upper plate. The displacement means may be hydraulically or pneumatically activated. Each of the folding arms may be mounted on a shaft extending between the base plate and the upper plate. The shaft may be provided with a spiral cam-and-spigot arrangement, so as to achieve the angular displacement of the folding arms by mechanical translation of the movement between first position and the second position.
According to a second aspect of the invention, there is provided machinery for producing a box having folded corner pillars, the machinery including a mandrel as defined above, and an associated jig into which a box blank is pressed, so as to fold the blank to form a box. According to a third aspect of the invention, there is provided a method of
producing a box having folded corner pillars, the method including the steps of locating a box blank, having a base, side panels and pillar forming panels, over a jig; depressing
the blank into a recess in the jig, so as to fold the side panels of the blank perpendicular to the base of the blank; folding pillar forming panels about corner posts; and angularly displacing folding arms from a receiving position to a finishing position, wherein the
folding arms press against the pillar forming panels, urging them against the sides of the box.
Brief Description of the Drawings
This invention will now be described by way of non-limiting example only
with reference to the accompanying figures wherein
Figure 1 shows a box of the type produced by machinery and a method in accordance with the invention;
Figure 2 shows a cardboard blank for producing the box shown in figure 1 ;
Figure 3 shows a layout of a base plate of a mandrel in accordance with the invention, showing flaps in an extended position;
Figure 4 shows the layout shown in figure 3 with the flaps in an upright position;
Figure 5 is an side view of the mandrel shown in figure 2, showing the flaps in an
extended position and the folding arms in a receiving position; Figure 6 is an side view of the mandrel shown in figure 2, showing the flaps in an upright position and the folding arms in a finishing position;
Figure 7 is a perspective view of the mandrel shown in figure 2, showing the operation of a flap;
Figure 8 shows a layout of a base plate of a mandrel in accordance with an alternative embodiment of the invention, showing flaps in an extended position and folding arms in a receiving position;
Figure 9 shows the layout shown in figure 8 with the flaps in an upright position and the folding arms in a finishing position;
Figure 10 is an end view of the mandrel shown in figure 8, showing the flaps in the extended position and the folding arms in the receiving position; and
Figure 11 is an end view of the mandrel shown in figure 8, showing the flaps in the upright position and the folding arms in the finishing position.
Modes of Carrying out the Invention
A box (1 ), as shown in figure 1 has a base (2), a pair of first, longitudinal sides (3), and a pair of second, transverse sides (4). The box (1 ) has corner pillars (5) at each corner thereof, so as to increase the top-load resistance thereof.
The box (1) is formed by folding a cardboard box blank (6), such as the one shown in figure 2. The blank (6) is provided with a series of pillar forming panels (7) at each corner. Machinery in accordance with a preferred embodiment of the invention includes a
mandrel (10), as shown in figures 3 to 7. The mandrel (10) has a base plate (14) with a
pair of opposed first sides (1 1 ) and a pair of opposed second sides (12), corresponding
to the sides of a box to be produced. The mandrel is provided with a pair of flaps (13),
each being hingedly connected to one of the first sides (1 1 ), so as to be movable
between an extended position, as shown in figures 3 and 5, wherein the flap (13) lies in
substantially the same plane as the base plate (14), and an upright position, as shown
in figures 4 and 6, wherein the flap (13) is substantially perpendicular to the base plate
(14). Each of the flaps (13) is provided at each end thereof with a deflecting formation
(15).
The mandrel (10) includes an upper plate (20), having corners substantially
corresponding to the corners of the box, and having at each corner a corner post (21 ).
Affixed to the upper plate (20) are four angularly acting pneumatic actuators (30),
each of which is provided with a folding arm (16), angularly displaceable between a
receiving position and a finishing position, as shown in figure 5 and figure 6
respectively.
The mandrel (10) is located in machinery including a jig (not shown), having a
recess corresponding to the plan of a box.
In operation, glue is applied to attachment points on the blank (6), which is then
located in position on the jig.
The mandrel (10) is depressed onto the blank (6), forcing the base (2) thereof
into the recess. As a result of the shape of the jig, the sides (3 and 4) of the blank are
folded upwards. The jig is configured so as to cause the sides (4) with the pillar forming
panels (7) to fold upwardly inside the first sides (3).
The hinged flaps (13) are deflected from their extended position into their upright
position by the first sides (3) of the box, and the deflecting formations (15) engage the pillar forming panels (7), deflecting them inwards. The inward motion of the pillar
forming panels (7) is partially restrained by the corner posts (21 ), as shown in figure 7.
The folding arm (16) engages the inwardly deflected pillar forming panels (7) and continues to its finishing position pressing them against a side (4) of the box to form the
corner pillar (5).
The folding arm (16) is then displaced back to its receiving position, and the
mandrel (10) withdrawn.
The finished box (1 ) is removed from the jig and the cycle repeated with a new
blank.
A mandrel (50), in accordance with an alternative embodiment of the invention, as shown in figures 8 to 1 1 , includes four folding arms (51 ) which each move angularly
about an axis perpendicular to the base plate (52).
The mandrel (50) includes an upper plate (53), having corners substantially
corresponding to the corners of the box, and having at each corner a corner post (54).
The upper plate (53) is displaceable between a first position, shown in figure 10, and a second position, shown in figure 1 1 , the second position being closer to the base plate (52) than the first position. The mandrel (50) is provided with pneumatically activated displacement means (not shown) for displacing the upper plate (53) between the first
position and the second position.
At each corner of the mandrel (50) there is a folding arm (51 ), angularly displaceable between a receiving position and a finishing position, as shown in figure 8
and figure 9 respectively. Each of the folding arms (51 ) is connected to a sleeve (55) mounted on a shaft (56) extending between the base plate (52) and the upper plate (53). The sleeve (55) and shaft (56) are provided with a spiral cam-and-spigot
arrangement (57), mechanically translating movement of the upper plate (53) between
its first and second positions into angular movement of the folding arm (51 ). It will be appreciated that numerous embodiments of the invention may be made without departing from the scope of the invention as claimed hereinbelow.

Claims

1. A mandrel for use in machinery for producing a box having folded corner pillars from a pre-configured box blank, the mandrel including a base plate, having a pair of opposed first sides and a pair of opposed second sides, the sides located so as to correspond to sides of the box; the mandrel being characterized by including a pair of flaps, each flap being hingedly connected to one of the first sides, so as to be movable between an extended position wherein the flap lies in substantially the same plane as the base plate, and an upright position wherein the flap is substantially perpendicular to the base plate, and each flap being provided at each end thereof with a deflecting formation; and a plurality of folding arms, each folding arm being associated with a corner of the box and angularly displaceable between a receiving position and a finishing position.
2. A mandrel as claimed in claim 1 , characterized by including a plurality of corner posts, each corresponding to a corner of the box, about which the corner pillars may be folded.
3. A mandrel as claimed in claim 1 , characterized by including an upper plate, to which the folding arms are be connected.
4. A mandrel as claimed in claim 3, characterised in that the angular movement of the folding arm is achieved by one of pneumatic and hydraulic means.
5. A mandrel as claimed in claim 4, characterized in that each of the folding arms is connected to an angularly acting pneumatic actuator.
6. A mandrel as claimed in claim 5, wherein each of the actuators is fixed to the upper plate.
7. A mandrel as claimed in claim 3, characterized by being provided with displacement means for causing the relative displacement of the base plate and the upper plate.
8. A mandrel as claimed in claim 7 wherein the displacement means are activated by one of a hydraulic and a pneumatic actuator.
9. A mandrel as claimed in claim 7, wherein each of the folding arms is mounted on a shaft extending between the base plate and the upper plate.
10. A mandrel as claimed in claim 9, wherein the shaft is provided with a spiral cam- and-spigot arrangement, so as to achieve the angular displacement of the folding arms by mechanical translation of the movement between first position and the second position.
11. A machine for producing a box having folded corner pillars from a pre-configured box blank, the machine including a jig dimensioned and configured so as to receive the blank therein, and being characterized by including a mandrel comprising a base plate, having a pair of opposed first sides and a pair of opposed second sides, the sides located so as to correspond to sides of the box; a pair of flaps, each flap being hingedly connected to one of the first sides, so as to be movable between an extended position wherein the flap lies in substantially the same plane as the base plate, and an upright position wherein the flap is substantially perpendicular to the base plate, and each flap being provided at each end thereof with a deflecting formation; and a plurality of folding arms, each folding arm being associated with a corner of the box and angularly displaceable between a receiving position and a finishing position.
12. A method of producing a box having folded corner pillars, the method being characterized by including the steps of locating a box blank, having a base, side panels and pillar forming panels, over a jig; depressing the blank into a recess in the jig, so as to fold the side panels of the blank perpendicular to the base of the blank; folding pillar forming panels about corner posts; and angularly displacing folding arms from a receiving position to a finishing position, wherein the folding arms press against the pillar forming panels, urging them against the sides of the box.
PCT/ZA2002/000167 2001-11-06 2002-11-06 Equipment and method for producing a box WO2003039848A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA200109149 2001-11-06
ZA2001/9149 2001-11-06
ZA2002/2147 2002-03-15
ZA200202147 2002-03-15

Publications (1)

Publication Number Publication Date
WO2003039848A1 true WO2003039848A1 (en) 2003-05-15

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ID=27145596

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PCT/ZA2002/000167 WO2003039848A1 (en) 2001-11-06 2002-11-06 Equipment and method for producing a box

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4116076A1 (en) * 2021-07-07 2023-01-11 Mibox Method and machine for forming a stackable cardboard box from a cardboard blank

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640935A1 (en) * 1988-12-23 1990-06-29 Siemco Sa Method of automatically setting the volume of trays (boat-shaped containers) having sealed corners and machine for implementing it
FR2781181A1 (en) * 1998-07-20 2000-01-21 Creation Tech Machine for folding container blanks has retractable wing on side of base to form reinforcing folds in containers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640935A1 (en) * 1988-12-23 1990-06-29 Siemco Sa Method of automatically setting the volume of trays (boat-shaped containers) having sealed corners and machine for implementing it
FR2781181A1 (en) * 1998-07-20 2000-01-21 Creation Tech Machine for folding container blanks has retractable wing on side of base to form reinforcing folds in containers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4116076A1 (en) * 2021-07-07 2023-01-11 Mibox Method and machine for forming a stackable cardboard box from a cardboard blank

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