EP0280132B1 - Machine jacquard à foule ouverte avec un dispositif de colletage qui est contrôlé en bloc par des planches montantes et descendantes - Google Patents

Machine jacquard à foule ouverte avec un dispositif de colletage qui est contrôlé en bloc par des planches montantes et descendantes Download PDF

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Publication number
EP0280132B1
EP0280132B1 EP88102105A EP88102105A EP0280132B1 EP 0280132 B1 EP0280132 B1 EP 0280132B1 EP 88102105 A EP88102105 A EP 88102105A EP 88102105 A EP88102105 A EP 88102105A EP 0280132 B1 EP0280132 B1 EP 0280132B1
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EP
European Patent Office
Prior art keywords
jacquard machine
machine according
open shed
shed jacquard
strips
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.)
Expired - Lifetime
Application number
EP88102105A
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German (de)
English (en)
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EP0280132A1 (fr
Inventor
Carlos Derudder
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/12—Multiple-shed jacquards, i.e. jacquards which move warp threads to several different heights, e.g. for weaving pile fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types

Definitions

  • Jacquard machines are used to weave figures in pile fabrics.
  • the upper fabric and the lower fabric which face each other with their tops and which are connected by the pile warp threads during weaving.
  • the pile warp threads can assume three positions during weaving, namely above the upper fabric, in the middle between the two basic fabrics or below the lower fabric. This is the jacquard machine that brings each pile warp thread into one of those positions before each shot.
  • Belgian patent specification No. 894.283 describes a roller pulling device of an open-pocket jacquard machine, in which one end of the stockings on a circuit board and the other end on a movable suspension device, or at the same time the harness cords with an outer end on the harness and with the other Are attached to a fixed suspension device.
  • the movable suspension device consists of up and down movable boards on which the ends of one or more strings are fastened, so that those ends can be controlled in blocks, following a specific repeat.
  • roller pulling device takes over the advantages of the open-pocket jacquard machine with roller pulling elements, avoids the disadvantage that two boards have to be used for each point controlled, and permits maximum patterning options with the smallest space requirement.
  • the jacquard machine according to the invention in which the one outer end of the hosiery is attached to a board and the other outer end to a movable suspension device and the harness cords with an outer end to the harness and the other outer end to a fixed suspension device, is characterized in that the movable suspension devices are driven by the knife grate of the jacquard machine and that the movable suspension devices are each suspended on a number of boards which can hook onto the knife grate of the jacquard machine and which are provided with their own control needles for this purpose.
  • each plate which carries part of the movable suspension device, consists of two flat steel or plastic strips arranged close to one another, which are provided at a suitable height with a hook-shaped nose which can hook onto the rows of knives .
  • the jacquard machine according to the invention has the advantage that the additional drive for each movable board is avoided, that the synchronization between the movement of the boards and that of the board is easier to implement, and that the movement of the board is easier and more comprehensive to program.
  • a board 1 carries one end 2 of a roller hosiery 3, which runs around a roller 4.
  • the other end 5 of those roller straps 3 is fastened, for example, to a movable suspension device, preferably a board 6 or 7.
  • Each board 6 or 7 carries the end of several roller treads 3.
  • the roller 4 is assigned a roller 8, around which a harness cord 9 runs, one end 10 of which is then fixed with a suspension device 11 and the other end 12 of which is the harness (not shown) is connected.
  • the sinkers 1 In order to selectively move the warp threads I, II, III, IV into one of their three possible positions, it is sufficient for the sinkers 1 to move into one of two positions labeled "down” (0) or “up” (B) in combination with boards 6 or 7 that move into one of two with “down” (0) or “up” (B) designated positions are to be moved.
  • a board 6 is suspended using a number of sinkers 14 of the classic jacquard machine.
  • Those boards 14 are located on a certain number of rows, in the depth direction of the board 6 and parallel to the side edges of the board 6, and can be taken along by the knives 15 of the knife grids.
  • all the boards 14 in a row are arranged by a board, in each case by means of a horizontal displacement of control needles 16 moving together, inside or outside the area of the knives 15.
  • the sinkers 14 can also pass through the four transitions between the two required positions above and below due to their interaction with the knives 15 of the knife grids.
  • the boards of the classic jacquard machine are too thin.
  • the point of attack 17 of part of the weight and the load on the board 6 is not exactly below the lugs 18 of the boards 14, can Such a plate bends under a high load under the influence of the bending moment occurring in it, so that the lugs 18 no longer remain in the path of the knives 15 and the jacquard machine can no longer function properly.
  • That hinge connection can consist of a short axis 22 which is fastened to the board 6 and about which the ring-shaped outer end of the strips 19 and 20 rotates.
  • These strips 19 and 20 run freely upwards through the board base 13. Above, they are inserted into a fixed straight guide 23, which permits a certain bending of the strips 19 and 20.
  • the upper end of the strips 19 and 20 is, for example, rotatably or with some play enclosed in a small guide block.
  • the hinge connection below can also be designed with play.
  • a preferred embodiment that connection is shown in FIG.
  • a groove 24 is always provided at the points at which the strips 19 or 20 engage in the board 6.
  • one or two openings 25 are formed through which a long rod 26 is pushed.
  • the lower outer ends of the strips 19 and 20 are also provided with one or two openings 27, the cross section of which, however, is larger than that of the rod 26.
  • the strips 19 and 20 can be easily connected to the board 6 or separated from the board 6 in this way. It is sufficient to push the rod 26 in or out and thereby through the openings 27. Due to the difference in dimensions, there is some play on this connection. This is necessary because the board 6 is still subject to a slight inclination movement, the so-called inclined compartment movement, during its upward movement.
  • the control needle 16 (FIG. 3) also has a correspondingly adapted shape in this second embodiment. At the level of the strip 19 or 20, the control needle 16 is provided with two rollers 28 which engage between the hook-shaped lugs 21 on the strips 19 or 20. All control needles 16 of the same board 6 are subject to the same movement which is generated by a cam control, by one or more printing cylinders or by a preselection device controlled by the jacquard cards.
  • This movement is easy to synchronize with the movement of the ordinary boards that lift the roller brackets; it is easy to program with the jacquard cards.
  • the board 6 hangs in its lowermost position on the boards 14, which are supported on the top of the board bottom 13, just as it does with the boards 1, on which the roller brackets 3 (Figure 1) hang Case is. in the In view of the fact that the strips 19 and 20 can be freely moved through the board base 13, supports 29 for the board 6 (FIG. 4) are provided in the second embodiment, on which the board rests when it is in its lowest position.
  • FIGS. 5a to 5d schematically show how the four possible transitions between the two positions of the board 6 are made possible in the second embodiment.
  • the control needle 16 assumes two positions: a first position in which the strips 19, 20 are bent laterally (FIGS. 5a and 5c), and a second position in which the strips 19 or 20 remain straight, i.e. are not bent ( Figures 5b and 5d).
  • the knives 15 cannot reach behind the hook-shaped lugs 21, and the board 6 remains on the supports 29 below (FIG.
  • Knives 15 which already hook into the lugs 21, continue to carry the strips 19 or 20 or the board 6, so that it can lower, for example (FIG. 5c). If the strips remain straight, certain knives 15, the board 6 z. B. take upwards ( Figure 5b), or other knives 15 can take over the board 6, so that it stops at the top ( Figure 5d).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Knitting Machines (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (14)

1. Machine jacquard à foule ouverte comportant un dispositif à palan, dans lequel la première extrémité (2) du collet (3) disposé entre les deux extrémités (2,5) respectivement autour d'un élément de renvoi à cordon (rouleau 4) à déplacement libre est fixée à un crochet (1) de la machine jacquard et l'autre extrémité (5) à un dispositif de suspension (6) mobile, tandis que les arcades sont reliées aux éléments de renvoi à cordons (rouleau 8) de manière à pouvoir se déplacer, la machine étant caractérisée en ce que les dispositifs de suspension mobiles (6) sont entraînés par la boite à couteaux (15) de la machine jacquard et chaque dispositif de suspension mobile (6) est suspendu à un certain nombre de crochets (14, 19, 20), qui peuvent accrocher aux couteaux (15) de la machine jacquard.
2. Machine jacquard à foule ouverte selon la revendication 1, caractérisée en ce que les crochets (14), qui entraînent les dispositifs de suspension mobiles (6), ont la même forme que les crochets (1) auxquelles les collets (3) sont fixés.
3. Machine jacquard à foule ouverte selon la revendication 1 ou 2, caractérisée en ce que chaque crochet individuel (14) est reliée au dispositif de suspension mobile (6) par un collet, un câble, une chaîne ou quelque chose d'analogue.
4. Machine jacquard à foule ouverte selon la revendication 1, caractérisée en ce que chaque crochet accouplé à un dispositif de suspension (6) est constituée d'au moins une latte, de préférence deux lattes (19, 20) qui sont dotées d'un élément d'accrochage aux couteaux de préférence sous la forme d'un ressaut en forme de crochet (21).
5. Machine jacquard à foule ouverte selon la revendication 4, caractérisée en ce que les lattes (19, 20) sont couplées directement aux dispositifs de suspension (6).
6. Machine jacquard à foule ouverte selon la revendication 4 ou 5, caractérisée en ce que le petit côté (a) de la section longitudinale des lattes (19, 20) est agencé de manière générale parallèlement à la direction de déplacement (A) de la broche de commande (16)
7. Machine jacquard à foule ouverte selon l'une des revendications 4 à 6, caractérisée en ce que l'extrémité inférieure de chaque latte (19, 20) est couplée au dispositif de suspension mobile (6) par une liaison présentant un jeu pivotant et l'extrémité supérieure de chaque latte est soumise à un glissement dans une glissière (23) également avec un jeu pivotant.
8. Machine jacquard à foule ouverte selon la revendication 7, caractérisée en ce que l'extrémité inférieure de chaque latte (19, 20) comporte une ou plusieurs ouvertures (27) et est fixée dans un rainure (24) du dispositif de suspension mobile (6) par une ou plusieurs tiges (26) dont les dimensions en coupe sont moindres que celles des ouvertures (27) des lattes (19, 20) et qui sont glissées transversalement à travers cette rainure (24) et à travers les ouvertures (27) des lattes (19, 20)
9. Machine jacquard à foule ouverte selon l'une des revendications précédentes, caractérisée en ce que toutes les platines (14, 19, 20) de chaque dispositif de suspension mobile (6) sont solidarisées par une série de broches (16) qui se déplacent en bloc au voisinage de la boite à couteaux (15) et à distance de celles-ci
10. Machine jacquard à foule ouverte selon la revendication 9, caractérisée en ce que les broches de commande (16) sont entraînées par les cartes de la machine jacquard via un appareil de présélection.
11. Machine jacquard à foule ouverte selon la revendication 9, caractérisée en ce que les broches de commande (16) sont entraînées par une came via un galet de came et un engrenage.
12. Machine jacquard à foule ouverte selon la revendication 9, caractérisée en ce que les broches de commande (16) sont entraînées à l'aide d'un ou plusieurs cylindres opérant sous pression.
13. Machine jacquard à foule ouverte selon la revendication 9, caractérisée en ce que les broches de commande (16) sont entraînées à l'aide d'un élément de commande électronique.
14. Métier à tisser comprenant une machine jacquard à foule ouverte selon l'une quelconque des revendications précédentes.
EP88102105A 1987-02-13 1988-02-12 Machine jacquard à foule ouverte avec un dispositif de colletage qui est contrôlé en bloc par des planches montantes et descendantes Expired - Lifetime EP0280132B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8700128A BE1000304A5 (nl) 1987-02-13 1987-02-13 Opengaap-jacquardmachine waarvan de takelinrichting door middel van op en neer beweegbare planken in blok gestuurd wordt.
BE8700128 1987-02-13

Publications (2)

Publication Number Publication Date
EP0280132A1 EP0280132A1 (fr) 1988-08-31
EP0280132B1 true EP0280132B1 (fr) 1991-06-05

Family

ID=3882515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102105A Expired - Lifetime EP0280132B1 (fr) 1987-02-13 1988-02-12 Machine jacquard à foule ouverte avec un dispositif de colletage qui est contrôlé en bloc par des planches montantes et descendantes

Country Status (6)

Country Link
US (1) US4858654A (fr)
EP (1) EP0280132B1 (fr)
BE (1) BE1000304A5 (fr)
DD (1) DD279908A5 (fr)
DE (1) DE3863088D1 (fr)
ES (1) ES2023445B3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817416C1 (fr) * 1988-05-21 1989-07-06 Fa. Oskar Schleicher, 4050 Moenchengladbach, De
FR2647473B1 (fr) * 1989-05-24 1991-07-26 Staubli Verdol Perfectionnements aux mecaniques d'armure a trois positions
DD284920B3 (de) * 1989-06-12 1993-01-28 Chemnitzer Webmasch Gmbh Jacquardvorrichtung fuer doppelteppichwebmaschinen mit doppeltem offenfach
DD284921A5 (de) * 1989-06-12 1990-11-28 Veb Kombinat Textima,Dd Platinensteuerung der offenbach-jacquardmaschine einer plueschwebmaschine, insbesondere einer doppelteppich-webmaschine
TR25799A (tr) * 1991-01-18 1993-09-01 Oskar Schleicher Union Carbide Bukleli dokuma im bozulmayla poliamidlerin nispi vetilen kopolimerl bozulmayla poliamidlerin nispi viskozitesinin arttirilmasi icin bir islem iskozitesinin arttirilmasi icin bir islem
DE4101778C1 (fr) * 1991-01-18 1992-04-02 Fa. Oskar Schleicher, 4050 Moenchengladbach, De
FR2676073A1 (fr) * 1991-05-03 1992-11-06 Wittendal Sa Ets Richard Methode de selection des crochets d'une mecanique jacquard et crochets pour une telle mecanique.
BE1008209A4 (nl) * 1993-04-23 1996-02-13 Wiele Michel Van De Nv Jacquardmachine.
DE69500352D1 (de) * 1994-01-26 1997-07-24 Danilo Jaksic Jacquardmaschine
BE1008975A5 (nl) * 1994-12-20 1996-10-01 Wiele Michel Van De Nv Jacquardmachine met takelinrichting.
BE1008974A5 (nl) * 1994-12-20 1996-10-01 Wiele Michel Van De Nv Takelinrichting voor een jacquardmachine.
US5647403A (en) * 1995-04-04 1997-07-15 Milliken Research Corporation Jacquard loom latch control mechanism
FR2742170B1 (fr) * 1995-12-12 1998-01-23 Staubli Verdol Perfectionnements aux mecaniques d'armures a double leve
BE1019154A5 (nl) * 2010-01-15 2012-04-03 Wiele Michel Van De Nv Selectie-inrichting voor de gaapvormingsinrichting van een weefmachine.
BE1021951B1 (nl) * 2014-07-18 2016-01-28 Michel Van De Wiele Nv Gaapvormingsinrichting voor een weefmachine
EP3112509A1 (fr) * 2015-07-02 2017-01-04 NV Michel van de Wiele Pièce de raccordement pour éléments de raccord d'un mécanisme de formation de foule d'un métier à tisser
EP3165643B1 (fr) * 2015-11-04 2018-04-18 NV Michel van de Wiele Métier jacquard, face à face pour métier à tisser comprenant au moins un métier jacquard et procédé d'établissement d'un métier jacquard

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB141592A (en) * 1919-08-16 1920-04-22 William Lavery Improvements relating to jacquard machines
FR1157431A (fr) * 1956-08-20 1958-05-29 Lehembre & Cie A Mécanique jacquard à trois positions pour le tissage des tapis à trois et quatre duites par pompon
FR1050774A (fr) * 1956-08-20 1954-01-11 Lehembre & Cie A Mécanique universelle à plusieurs positions pour métiers à tisser
FR1212294A (fr) * 1958-10-03 1960-03-23 Lehembre & Cie A Mécanique jacquard à trois positions pour le tissage des tapis
CH507394A (de) * 1970-02-19 1971-05-15 App Fabrik Ag Huttwil Offenfachdoppelhub-Jacquardmaschine
DE2530799C3 (de) * 1975-07-10 1982-04-15 Fa. Oskar Schleicher, 4050 Mönchengladbach Doppelhub-Offenfach-Jacquardmaschine
FR2496715A1 (fr) * 1980-12-23 1982-06-25 Verdol Sa Mecanisme d'armure du genre verdol ou jacquard pourvue de moyens d'assurer un croisement aise des griffes
DE3113434A1 (de) * 1981-04-03 1982-10-21 Fa. Oskar Schleicher, 4050 Mönchengladbach Doppelhub-offenfach-jaquardmaschine
BE894283A (nl) * 1982-09-02 1983-01-03 P V B A Van De Wiele Internat Takelinrichting van een jaquardmachine vor het weven poolweefsels, in het bijzonder van dubbelstuk en dubbelspoelige fluweel en tapijten en jaquardmachines met dergelijke inrichting uitgerust
FR2674385A1 (fr) * 1991-03-22 1992-09-25 Alsthom Gec Dispositif d'isolement galvanique pour signaux electriques continus ou susceptibles de comporter une composante continue.

Also Published As

Publication number Publication date
ES2023445B3 (es) 1992-01-16
US4858654A (en) 1989-08-22
BE1000304A5 (nl) 1988-10-11
EP0280132A1 (fr) 1988-08-31
DE3863088D1 (de) 1991-07-11
DD279908A5 (de) 1990-06-20

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