EP0546965A1 - Jacquard mechanism to produce patterns on the selvedges of fabrics being woven - Google Patents

Jacquard mechanism to produce patterns on the selvedges of fabrics being woven Download PDF

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Publication number
EP0546965A1
EP0546965A1 EP92420452A EP92420452A EP0546965A1 EP 0546965 A1 EP0546965 A1 EP 0546965A1 EP 92420452 A EP92420452 A EP 92420452A EP 92420452 A EP92420452 A EP 92420452A EP 0546965 A1 EP0546965 A1 EP 0546965A1
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EP
European Patent Office
Prior art keywords
shaft
loom
woven
mechanics
fabrics
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Application number
EP92420452A
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German (de)
French (fr)
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EP0546965B1 (en
Inventor
Jean-Paul Froment
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Staubli Faverges SCA
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Staubli Faverges SCA
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/18—Selvedge jacquards
    • 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
    • D03C3/26—General arrangements of jacquards, or disposition in relation to loom

Abstract

Its input shaft (8) is provided in tubular form, in such a way that a main driveshaft (11) connected to a shaft of the loom (23) passes axially through it, whilst there are means (14-15) capable of allowing it to be fastened adjustably to a supporting beam (13) which extends horizontally in parallel with the said main shaft (11). …<??>Each selvedge is thus woven by means of an independent mechanism (7). …<IMAGE>…

Description

La présente invention a trait aux petites mécaniques Jacquard spécialement établies pour la réalisation de noms, dessins ou autres motifs informatifs ou décoratifs sur les lisières des tissus en cours de tissage.The present invention relates to small Jacquard machines specially established for the production of names, designs or other informative or decorative patterns on the edges of fabrics being woven.

Dans la pratique usuelle et ainsi qu'on l'a schématiquement rappelé en fig. 1 du dessin annexé aux présentes, on fait appel à une seule mécanique 1 pour assurer le tissage simultané des deux lisières (ou même en certains cas d'une troisième lisière centrale). Cette mécanique unique 1 est supportée par l'extrémité d'une structure 2 qui surmonte le métier à tisser et elle est entraînée par une transmission latérale 3 qui relie son arbre d'entrée à un arbre du métier. Bien évidemment, comme les lisières sont appelées à comporter des motifs identiques, chacun des organes d'actionnement ou crochets 1a de la mécanique 1 est associé à deux (éventuellement trois) harnais 4 pour la commande des lisses prévues pour le tissage de chaque lisière.In usual practice and as schematically recalled in FIG. 1 of the drawing appended hereto, a single mechanical device 1 is used to ensure the simultaneous weaving of the two selvedges (or even in some cases of a third central selvedge). This unique mechanism 1 is supported by the end of a structure 2 which overcomes the loom and it is driven by a lateral transmission 3 which connects its input shaft to a loom. Of course, as the edges are expected to have identical patterns, each of the actuating or hooks 1 of the mechanical organs 1 is associated with two (optionally three) harnesses 4 for controlling the heddle provided for weaving each edge .

On conçoit que ces harnais 4 sont nécessairement disposés dans l'axe vertical des lisières du tissu 5 en cours de réalisation, de sorte que leur positionnement doit être susceptible d'être modifié en fonction de la largeur de ce tissu et de l'emplacement exact de celui-ci sur le métier. Etant donné que pour ce réglage, il ne peut être envisagé de raccourcir ou d'allonger les cordes ou arcades des harnais 4, il est indispensable de prévoir des dispositifs complémentaires de renvoi 6 dont le déplacement le long de la stucture 2 permet de régler le positionnement vertical des harnais sans intervention sur la longueur de ceux-ci.It will be appreciated that these harnesses 4 are necessarily arranged in the vertical axis of the edges of the fabric 5 in progress, so that their positioning must be capable of being modified as a function of the width of this fabric and the exact location. of it on the craft. Given that for this adjustment, it cannot be envisaged to shorten or lengthen the ropes or arches of the harnesses 4, it is essential to provide additional return devices 6 whose displacement along the structure 2 makes it possible to adjust the vertical positioning of the harnesses without intervention on their length.

Ces dispositifs de renvoi 6 compliquent évidemment la construction et leur réglage précis est particulièrement délicat.These deflection devices 6 obviously complicate the construction and their precise adjustment is particularly delicate.

C'est à ces inconvénients qu'entend principalement remédier la présente invention, et ce en affectant à chaque lisière à tisser une mécanique Jacquard indépendante, susceptible d'être réglée en position horizontale au-dessus du métier.It is to these drawbacks that the present invention mainly intends to remedy, and this by assigning an independent Jacquard machine to each selvedge to be woven, capable of being adjusted in a horizontal position above the loom.

La mécanique Jacquard suivant l'invention est définie à la revendication 1.The Jacquard mechanism according to the invention is defined in claim 1.

En fait l'invention consiste à faire comporter à la mécanique, directement équipée à sa base de la planche d'empoutage, un arbre d'entrée qui est prévu sous forme tubulaire de manière à être traversé par un arbre principal d'entraînement lié à l'arbre du métier, en même temps qu'à doter ladite mécanique de moyens propres à permettre sa fixation réglable sur une poutre-support qui s'étend horizontalement, parallèlement à l'arbre principal précité.In fact, the invention consists in making mechanics, directly equipped at its base with the drip board, an input shaft which is provided in tubular form so as to be traversed by a main drive shaft linked to the loom of the loom, at the same time as providing said mechanical means suitable for allowing its adjustable fixing on a support beam which extends horizontally, parallel to the aforementioned main shaft.

Le dessin annexé, donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :The appended drawing, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing:

Comme indiqué ci-dessus, fig. 1 rappelle l'agencement général des mécaniques Jacquard classiques du type envisagé.As indicated above, fig. 1 recalls the general arrangement of conventional Jacquard machines of the type envisaged.

Fig. 2 est une vue en perspective d'une mécanique établie conformément à l'invention.Fig. 2 is a perspective view of a mechanism established in accordance with the invention.

Fig. 3 illustre schématiquement le montage de deux mécaniques suivant fig. 2 sur un métier à tisser.Fig. 3 schematically illustrates the mounting of two mechanics according to FIG. 2 on a loom.

A la façon en soi connue, la mécanique 7 illustrée en fig. 2 comprend un arbre d'entrée 8 qui reçoit son mouvement (alternatif ou continu suivant les cas) du métier à tisser auquel elle est associée et qui le transforme pour la commande verticale des cordes ou arcades 9 du harnais correspondant.In the manner known per se, the mechanics 7 illustrated in FIG. 2 comprises an input shaft 8 which receives its movement (alternating or continuous depending on the case) from the loom with which it is associated and which transforms it for the vertical control of the ropes or arches 9 of the corresponding harness.

Conformément à la présente invention, cet arbre 8, soutenu par des paliers 10 rapportés dans les parois latérales du carter 7a de la mécanique 7, est prévu sous forme tubulaire et il est traversé axialement par un arbre principal d'actionnement 11, orienté horizontalement. Les arbres 8 et 11 sont rendus angulairement et axialement solidaires l'un de l'autre à l'aide d'une bride de serrage 12 qui agit sur une extrémité, prévue fendue, de l'arbre tubulaire 8.According to the present invention, this shaft 8, supported by bearings 10 attached in the side walls of the casing 7 a of the mechanics 7, is provided in tubular form and it is crossed axially by a main actuation shaft 11, oriented horizontally . The shafts 8 and 11 are made angularly and axially integral with one another by means of a clamping flange 12 which acts on one end, provided slotted, of the tubular shaft 8.

Par ailleurs, les parois latérales du carter 7a de la mécanique 7 sont échancrées de façon à définir deux faces horizontales opposées aptes à prendre appui sur une poutre ou support 13, orienté horizontalement au-dessous de l'arbre 11. L'immobilisation du carter 7a sur la poutre 13 est opérée à l'aide de deux étriers latéraux 14 associés à des oreilles repliées 7b du carter 7a et à des écrous de serrage 15.Furthermore, the side walls of the casing 7 a of the mechanics 7 are notched so as to define two opposite horizontal faces capable of bearing on a beam or support 13, oriented horizontally below the shaft 11. The immobilization of the casing 7 a on the beam 13 is operated using two lateral stirrups 14 associated with ears bent 7 b of the casing 7 a and with clamping nuts 15.

Comme illustré en fig. 3, la poutre 13 surmontée de l'arbre principal d'actionnement 11 est supportée par des colonnes latérales 16, de façon à se trouver disposée au-dessus du tissu 17 formé à l'aide des cadres de lisses usuels 18 commandés par une ratière classique. Pour la réalisation des motifs désirés pour les lisières de ce tissu 17, on a engagé sur l'arbre 11 et sur la poutre 13 deux mécaniques 7 suivant l'invention, et l'on comprend que moyennant manoeuvre des brides 12 et des écrous 15, ces deux mécaniques 7 sont susceptibles d'être très aisément amenées à une position telle que les lisses 19 de leur harnais se trouvent disposées au droit des lisières à réaliser.As illustrated in fig. 3, the beam 13 surmounted by the main actuating shaft 11 is supported by lateral columns 16, so as to be placed above the fabric 17 formed using the usual heald frames 18 controlled by a dobby classic. To achieve the desired patterns for the edges of this fabric 17, we engaged on the shaft 11 and on the beam 13 two mechanical 7 according to the invention, and it is understood that by maneuvering flanges 12 and nuts 15 , these two mechanics 7 are likely to be very easily brought to a position such that the heddles 19 of their harness are arranged at the edges of the selvedges to be produced.

Il convient sur ce point d'observer que chaque mécanique 7 est agencée à la manière de celle décrite dans la Demande de Brevet français n° 91 07275 déposée au nom de la présente Demanderesse le 10 Juin 1990. Les cordes ou arcades 19 traversent des perforations pratiquées dans deux planches d'empoutage 20 et 21 rigidement fixées en superposition à la base du carter 7a, de sorte qu'elles sont guidées verticalement pour supporter les lisses 19 et que le déplacement horizontal de ce carter assure le déplacement correspondant desdites lisses, sans autre manoeuvre de réglage que le coulissement des ressorts de rappel 22 le long de la barre usuelle 23.It should be noted on this point that each mechanism 7 is arranged in the manner of that described in French Patent Application No. 91 07275 filed in the name of the present Applicant on June 10, 1990. The strings or arches 19 pass through perforations practiced in two plowing boards 20 and 21 rigidly fixed in superposition at the base of the casing 7 a , so that they are guided vertically to support the healds 19 and that the horizontal movement of this casing ensures the corresponding movement of said healds, without any other adjustment maneuver than the sliding of the return springs 22 along the usual bar 23.

De la même manière que dans la technique usuelle, l'une des extrémités de l'arbre 11 est associée à une transmission 24 reliée à un arbre 25 du métier. Les deux mécaniques 7 sont ainsi entraînées en synchronisme pour réaliser le même tissage.In the same way as in the usual technique, one of the ends of the shaft 11 is associated with a transmission 24 connected to a shaft 25 of the loom. The two mechanics 7 are thus driven in synchronism to achieve the same weaving.

Il va de soi que la poutre 13 est susceptible de supporter un nombre quelconque de mécaniques 7.It goes without saying that the beam 13 is capable of supporting any number of mechanics 7.

On comprend en particulier que les arbres 8 et 11 sont susceptibles d'être prévus cannelés, le premier intérieurement le second extérieurement, auquel cas on peut évidemment se dispenser des brides 12.It is understood in particular that the shafts 8 and 11 are capable of being provided with grooves, the first internally the second externally, in which case we can obviously dispense with the flanges 12.

Claims (3)

Mécanique Jacquard pour la réalisation de motifs sur les lisières des tissus en cours de tissage, du genre comportant à la base de son carter (7a) au moins une planche d'empoutage (20, 21) pour le guidage des arcades porte-lisses (9), caractérisée en ce que son arbre d'entrée (8) est prévu sous forme tubulaire de façon à être traversé axialement par un arbre principal d'entraînement (11) lié à un arbre du métier (25), tandis qu'il est prévu des moyens (14-15) propres à permettre sa fixation réglable sur une poutre-support (13) qui s'étend à l'horizontale, parallèlement audit arbre principal (11).Jacquard mechanics for producing patterns on the edges of fabrics being woven, of the kind comprising at the base of its casing (7 a ) at least one grouting board (20, 21) for guiding the heald support arches (9), characterized in that its input shaft (8) is provided in tubular form so as to be traversed axially by a main drive shaft (11) linked to a loom of the loom (25), while there are provided means (14-15) suitable for allowing its adjustable fixing on a support beam (13) which extends horizontally, parallel to said main shaft (11). Mécanique suivant la revendication 1, caractérisée en ce que la liaison angulaire de l'arbre tubulaire (8) sur l'arbre principal (11) est opérée à l'aide d'au moins une bride de serrage (12) qui agit sur l'une, prévue fendue, des extrémités dudit arbre tubulaire.Mechanics according to claim 1, characterized in that the angular connection of the tubular shaft (8) on the main shaft (11) is effected by means of at least one clamp (12) which acts on the 'One, provided split, the ends of said tubular shaft. Mécanique suivant l'une quelconque des revendications 1 et 2, caractérisée en ce que les moyens pour sa fixation réglable le long de la poutre-support (13) comprennent des étriers (14) associés à des oreilles repliées (7b) du carter (7a) et à des écrous de serrage (15).Mechanics according to either of Claims 1 and 2, characterized in that the means for its adjustable fixing along the support beam (13) comprise stirrups (14) associated with folded ears ( 7b ) of the casing ( 7 a ) and clamping nuts (15).
EP92420452A 1991-12-11 1992-12-10 Jacquard mechanism to produce patterns on the selvedges of fabrics being woven Expired - Lifetime EP0546965B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9115615A FR2685014B1 (en) 1991-12-11 1991-12-11 JACQUARD MECHANISM FOR REALIZING PATTERNS ON THE EDGES OF FABRICS DURING WEAVING.
FR9115615 1991-12-11

Publications (2)

Publication Number Publication Date
EP0546965A1 true EP0546965A1 (en) 1993-06-16
EP0546965B1 EP0546965B1 (en) 1994-12-28

Family

ID=9420105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92420452A Expired - Lifetime EP0546965B1 (en) 1991-12-11 1992-12-10 Jacquard mechanism to produce patterns on the selvedges of fabrics being woven

Country Status (8)

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US (1) US5257649A (en)
EP (1) EP0546965B1 (en)
JP (1) JP3263453B2 (en)
KR (1) KR100228289B1 (en)
CN (1) CN1082636A (en)
DE (1) DE69201050T2 (en)
FR (1) FR2685014B1 (en)
RU (1) RU2089684C1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5647403A (en) * 1995-04-04 1997-07-15 Milliken Research Corporation Jacquard loom latch control mechanism
FR2811687B1 (en) * 2000-07-11 2002-10-18 Sraubli Faverges SMOOTH FOR MECHANICAL JACQUARD, CROWD TRAINING ASSEMBLY AND WEAVING EQUIPMENT PROVIDED WITH SUCH A SMOOTH
FR2900666B1 (en) * 2006-05-03 2008-06-20 Staubli Lyon Soc Par Actions S CROWN FORMING MECHANISM, WEAVING EQUIPPED WITH SUCH A MECHANISM AND METHOD OF SELECTING MOBILE HOOKS OF SUCH A MECHANISM
BE1021951B1 (en) * 2014-07-18 2016-01-28 Michel Van De Wiele Nv GAAP FORMAT FOR A WEAVING MACHINE
BE1024912B1 (en) * 2017-01-13 2018-08-16 VAN DE WIELE Michel NV SELF-EDGE DEVICE
EP3739092B1 (en) * 2019-05-13 2023-07-19 Stäubli Italia S.p.A. Shedding device for labelling on selvedges or on fabrics on a weaving loom and method for adjusting such a shedding device
CN110438620A (en) * 2019-07-16 2019-11-12 江苏精武机械有限公司 A kind of computer jacquard inkle loom jacquard head rotates height adjusting structure around bearing block

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1059478A (en) * 1964-12-05 1967-02-22 Samuel Dracup & Sons Ltd Improvements in or relating to selvedge jacquard mechanisms
DE2026523A1 (en) * 1969-06-02 1970-12-10 North American Rockwell Corp., Pittsburgh, Pa. (V.St.A.) Method and device for tucking in a fabric edge
GB1461911A (en) * 1973-02-16 1977-01-19 Hield Bros Ltd Jacquards
GB1467231A (en) * 1974-01-18 1977-03-16 Batty M Shedding mechanism
DE2705686A1 (en) * 1977-02-11 1978-08-17 Schmidt Hettler Exacta Shuttleless loom selvedge control - has a detachable gear unit to operate the units to handle the end of the weft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172475A (en) * 1976-07-21 1979-10-30 Staeubli Ltd. Weaving machine simultaneously controlled by a Jacquard machine and a dobby
DE8204594U1 (en) * 1982-02-19 1982-07-01 Tomen Textilmaschinen GmbH, 4060 Viersen WEAVING MACHINE
JPH03249233A (en) * 1990-02-23 1991-11-07 Murata Mach Ltd Jacquard driving apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1059478A (en) * 1964-12-05 1967-02-22 Samuel Dracup & Sons Ltd Improvements in or relating to selvedge jacquard mechanisms
DE2026523A1 (en) * 1969-06-02 1970-12-10 North American Rockwell Corp., Pittsburgh, Pa. (V.St.A.) Method and device for tucking in a fabric edge
GB1461911A (en) * 1973-02-16 1977-01-19 Hield Bros Ltd Jacquards
GB1467231A (en) * 1974-01-18 1977-03-16 Batty M Shedding mechanism
DE2705686A1 (en) * 1977-02-11 1978-08-17 Schmidt Hettler Exacta Shuttleless loom selvedge control - has a detachable gear unit to operate the units to handle the end of the weft

Also Published As

Publication number Publication date
DE69201050T2 (en) 1995-08-10
FR2685014B1 (en) 1994-04-01
US5257649A (en) 1993-11-02
RU2089684C1 (en) 1997-09-10
FR2685014A1 (en) 1993-06-18
JP3263453B2 (en) 2002-03-04
CN1082636A (en) 1994-02-23
JPH05247772A (en) 1993-09-24
KR100228289B1 (en) 1999-11-01
DE69201050D1 (en) 1995-02-09
EP0546965B1 (en) 1994-12-28
KR940014999A (en) 1994-07-19

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