EP0802994A1 - Weaving loom - Google Patents

Weaving loom

Info

Publication number
EP0802994A1
EP0802994A1 EP95941118A EP95941118A EP0802994A1 EP 0802994 A1 EP0802994 A1 EP 0802994A1 EP 95941118 A EP95941118 A EP 95941118A EP 95941118 A EP95941118 A EP 95941118A EP 0802994 A1 EP0802994 A1 EP 0802994A1
Authority
EP
European Patent Office
Prior art keywords
fabric
pct
weaving loom
loom
crowd
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.)
Granted
Application number
EP95941118A
Other languages
German (de)
French (fr)
Other versions
EP0802994B1 (en
Inventor
Carlos Matas Gabalda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ICBT Diederichs SAS
Original Assignee
ICBT Diederichs SAS
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 ICBT Diederichs SAS filed Critical ICBT Diederichs SAS
Publication of EP0802994A1 publication Critical patent/EP0802994A1/en
Application granted granted Critical
Publication of EP0802994B1 publication Critical patent/EP0802994B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02—Construction of loom framework
    • D03D49/022—Protective hoods or curtains
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02—Construction of loom framework
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02—Construction of loom framework
    • D03D49/025—Ground supports
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02—Construction of loom framework
    • D03D49/027—Arrangements or means for noise reduction

Definitions

  • the present invention relates to an improvement made to weaving looms to reduce vibrations and noise resulting from the weaving process.
  • Making a fabric involves:
  • the weaving loom according to the invention is characterized in that the means allowing the formation of the fabric are grouped in two superimposed modules between which a damping element is interposed:
  • the upper module grouping meanwhile, the means ensuring the insertion of the frame, the control of the leaf and the call of the fabric produced.
  • the damping element interposed between the two modules is constituted for example by a layer of polyurethane having a thickness of approximately 20 mm.
  • the loom according to the invention therefore consists, like all weaving looms, of a beam (1) of warp threads (2), of heald frames (3) the number of which is a function of the article to be produced and which make it possible to ensure the formation of the crowd, a call system (5) of the fabric (4) formed and a winding roller (6) of said fabric.
  • the control of the warp threads to form the crowd is obtained by any appropriate means such as for example by a dobby not shown ensuring the vertical displacements of the frames (3).
  • the insertion of the weft thread is obtained by means of an assembly comprising two positive clamps (7,8), arranged on each side of the loom and introduced simultaneously inside the crowd. , the clamp (7) driving the weft thread and transferring the end of the latter to the clamp (8) in the middle of the crowd by means of transfer means bringing the weft to the other side of the loom.
  • the compaction of the weft introduced against the last pick of the fabric (4) is carried out by means of a comb (12) mounted on a leaf.
  • said means are grouped in two superimposed modules, designated respectively by the general references (13 ) and (14), the lower module (13) grouping the means ensuring the unwinding of the web of warp threads (2), the formation of the crowd (dobby and drawing of heald frames (3)), as well as the winding of the fabric (6).
  • the upper module (14) is attached to the lower module (13), a damping element (15) being interposed between the base of the upper module (14) and the corresponding bearing surface of the lower module (13 ).
  • This upper module (14) includes means for ensuring the insertion of the weft, the control of the leaf supporting the comb (12) and the call (5) of the fabric formed.
  • the control means are protected by casings (16) which can be soundproofed.
  • the rear part of the loom comprising the beam (1), the wire holder, chain breaker, frame guide (3) and the false selvedges, can be mounted on a removable assembly adaptable to the lower module (13) facilitating item change operations. Thanks to such a loom structure using an elastic connection between the members having differently oriented displacements, a lowering of the noise level of the loom is obtained compared to a similar loom having no damping element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)

Abstract

PCT No. PCT/FR95/01529 Sec. 371 Date Jun. 18, 1997 Sec. 102(e) Date Jun. 18, 1997 PCT Filed Nov. 21, 1995 PCT Pub. No. WO96/23093 PCT Pub. Date Aug. 1, 1996A weaving loom for forming a fabric that includes two vertically adjacent modules and a damping member mounted therebetween. The lower module contains a mechanism for unwinding warp yarn, forming the shed and unwinding the fabric. The upper module contains a mechanism for inserting the weft, controlling the reed and feeding the resulting fabric.

Description

MEΠΈR A TTSSFR. MEΠΈR AT TTSSFR.
La présente invention concerne un perfectionnement apporté aux métiers à tisser permettant de réduire les vibrations et le bruit résultant du processus de tissage.The present invention relates to an improvement made to weaving looms to reduce vibrations and noise resulting from the weaving process.
Dans la suite de la description, l'invention sera décrite pour un métier à tisser dans lequel l'insertion de la trame est réalisée par l'intermédiaire de deux pinces, introduites simultanément à l'intérieur de la foule à partir de chaque côté du métier, l'une servant à amener le fil de trame prélevé sur une bobine située sur un côté de la machine jusqu'au milieu de sa largeur où s'effectue alors un transfert à la seconde pince qui, lors de son recul, amène le fil sur le côté opposé au côté d'alimentation, les déplacements desdites pinces à l'intérieur de la foule étant assurés par un ensemble désigné couramment par l'expression "lance ou ruban flexible".In the following description, the invention will be described for a weaving loom in which the insertion of the weft is carried out by means of two pliers, introduced simultaneously inside the crowd from each side of the loom, one used to bring the weft yarn taken from a spool located on one side of the machine to the middle of its width where a transfer is then made to the second clamp which, during its retraction, brings the wire on the side opposite the supply side, the movements of said clamps inside the crowd being ensured by an assembly commonly designated by the expression "flexible lance or ribbon".
Il est évident que cela n'est pas limitatif et que l'invention pourrait également être appliquée à d'autres types de métier à tisser utilisant d'autres moyens que des pinces positives pour assurer l'insertion de la trame.It is obvious that this is not limiting and that the invention could also be applied to other types of weaving loom using means other than positive clamps to ensure the insertion of the weft.
La réalisation d'un tissu implique :Making a fabric involves:
- d'une part, d'assurer le déroulement de la nappe de fils de chaîne, la formation de la foule et le renvidage du tissu réalisé et ;on the one hand, to ensure the unwinding of the web of warp threads, the formation of the crowd and the winding of the fabric produced and;
- d'autre part, d'inserrer le fil de trame lorsque la foule est ouverte et de le tasser contre la dernière duite réalisée par l'intermédiaire d'un peigne porté par un battant Il est bien connu que l'un des principaux problèmes que posent le tissage est celui des vibrations et du niveau sonore qu'entraîne la commande et les déplacements des différents éléments permettant de réaliser les opérations précitées.- on the other hand, to insert the weft thread when the crowd is open and to pack it against the last pick made by means of a comb carried by a leaf It is well known that one of the main problems posed by weaving is that of the vibrations and of the sound level which the control and the movements of the various elements causing the abovementioned operations cause.
A ce jour, la seule solution proposée pour résoudre ce problème, consiste à interposer entre le sol et la partie inférieure du bâti du métier, des systèmes amortisseurs qui ne donnent pas cependant entière satisfaction.To date, the only solution proposed to solve this problem, consists in interposing, between the ground and the lower part of the frame of the loom, damping systems which are not however entirely satisfactory.
Or on a trouvé, et c'est ce qui fait l'objet de la présente invention, une solution simple, efficace, permettant de résoudre de manière satisfaisante ces problèmes de vibration et de bruit.However, we have found, and this is what is the subject of the present invention, a simple, effective solution which makes it possible to satisfactorily resolve these problems of vibration and noise.
D'une manière générale, le métier à tisser conforme à l'invention se caractérise en ce que les moyens permettant la formation du tissu sont regroupés dans deux modules superposés entre lesquels est interposé un élément amortisseur :In general, the weaving loom according to the invention is characterized in that the means allowing the formation of the fabric are grouped in two superimposed modules between which a damping element is interposed:
- le module inférieur regroupant les moyens assurant le déroulement de la nappe de fils de chaine, la formation de la foule- the lower module grouping the means ensuring the unfolding of the web of warp threads, the formation of the crowd
(ratière, et tirage des cadres) et renroulement du tissu ;(dobby, and drawing of frames) and rolling up of the fabric;
- le module supérieur regroupant, quant à lui, les moyens assurant l'insertion de la trame, la commande du battant et l'appel du tissu réalisé. - The upper module grouping, meanwhile, the means ensuring the insertion of the frame, the control of the leaf and the call of the fabric produced.
Grâce à une telle structure selon laquelle on réalise un amortissement entre les organes ayant des déplacements orientés différemment (verticalement et horizontalement), on élimine pratiquement toutes les vibrations et on diminue notablement le niveau sonore.Thanks to such a structure according to which damping is carried out between the members having displacements oriented differently (vertically and horizontally), practically all the vibrations are eliminated and the noise level is considerably reduced.
Selon une forme de réalisation conforme à l'invention, l'élément amortisseur interposé entre les deux modules, est constitué par exemple par une couche de polyuréthane ayant une épaisseur d'environ 20 mm.According to an embodiment according to the invention, the damping element interposed between the two modules, is constituted for example by a layer of polyurethane having a thickness of approximately 20 mm.
L'invention sera cependant mieux comprise grâce à l'exemple de réalisation qui suit et qui est illustré par la figure unique annexée qui est une vue schématique en perspective, simplifiée, d'un métier réalisé conformément à l'invention.The invention will however be better understood thanks to the embodiment which follows and which is illustrated by the single appended figure which is a schematic perspective view, simplified, of a loom produced in accordance with the invention.
En se reportant à cette figure, le métier conforme à l'invention se compose donc, comme tous les métiers à tisser, d'une ensouple (1) de fils de chaine (2), de cadres de lisse (3) dont le nombre est fonction de l'article à réaliser et qui permettent d'assurer la formation de la foule, d'un système d'appel (5) du tissu (4) formé et d'un rouleau de renvidage (6) dudit tissu. La commande des fils de chaine pour former la foule est obtenue par tous moyens appropriés tels que par exemple par une ratière non représentée assurant les déplacements verticaux des cadres (3).Referring to this figure, the loom according to the invention therefore consists, like all weaving looms, of a beam (1) of warp threads (2), of heald frames (3) the number of which is a function of the article to be produced and which make it possible to ensure the formation of the crowd, a call system (5) of the fabric (4) formed and a winding roller (6) of said fabric. The control of the warp threads to form the crowd is obtained by any appropriate means such as for example by a dobby not shown ensuring the vertical displacements of the frames (3).
Dans le mode de réalisation illustré, l'insertion du fil de trame est obtenue par l'intermédiaire d'un ensemble comprenant deux pinces positives (7,8), disposées de chaque côté du métier et introduites simultanément à l'intérieur de la foule, la pince (7) entraînant le fil de trame et transférant l'extrémité de ce dernier à la pince (8) au milieu de la foule par l'intermédiaire de moyens de transfert amenant la trame de l'autre côté du métier. Le tassement de la trame introduite contre la dernière duite du tissu (4), est réalisé par l'intermédiaire d'un peigne (12) monté sur un battant.In the illustrated embodiment, the insertion of the weft thread is obtained by means of an assembly comprising two positive clamps (7,8), arranged on each side of the loom and introduced simultaneously inside the crowd. , the clamp (7) driving the weft thread and transferring the end of the latter to the clamp (8) in the middle of the crowd by means of transfer means bringing the weft to the other side of the loom. The compaction of the weft introduced against the last pick of the fabric (4) is carried out by means of a comb (12) mounted on a leaf.
Tous les moyens précités étant des moyens conventionnels, ne seront pas décrits en détail par mesure de simplification.All the aforementioned means being conventional means, will not be described in detail for the sake of simplification.
Conformément à l'invention, et afin de réduire les phénomènes de vibration et de bruit qu'entraînent la commande et les déplacements des moyens précités pour réaliser le tissu, lesdits moyens sont regroupés dans deux modules superposés, désignés respectivement par les références générales (13) et (14), le module inférieur (13) regroupant les moyens assurant le déroulement de la nappe de fils de chaine (2), la formation de la foule (ratière et tirage des cadres de lisse (3)), ainsi que l'enroulement du tissu (6). Le module supérieur (14) est, quant à lui, fixé sur le module inférieur (13), un élément amortisseur (15) étant interposé entre la base du module supérieur (14) et la surface d'appui correspondante du module inférieur (13).In accordance with the invention, and in order to reduce the vibration and noise phenomena caused by the control and the displacements of the aforementioned means for producing the fabric, said means are grouped in two superimposed modules, designated respectively by the general references (13 ) and (14), the lower module (13) grouping the means ensuring the unwinding of the web of warp threads (2), the formation of the crowd (dobby and drawing of heald frames (3)), as well as the winding of the fabric (6). The upper module (14) is attached to the lower module (13), a damping element (15) being interposed between the base of the upper module (14) and the corresponding bearing surface of the lower module (13 ).
Ce module supérieur (14) regroupe des moyens permettant d'assurer l'insertion de la trame, la commande du battant supportant le peigne (12) ainsi que l'appel (5) du tissu formé. Les moyens de commande sont protégés par des carters (16) qui peuvent être insonorisés.This upper module (14) includes means for ensuring the insertion of the weft, the control of the leaf supporting the comb (12) and the call (5) of the fabric formed. The control means are protected by casings (16) which can be soundproofed.
La partie arrière du métier comprenant l'ensouple (1), le porte-fils, casse-chaine, guide des cadres (3) et les fausses lisières, peut être montée sur un ensemble amovible adaptable sur le module inférieur (13) facilitant les opérations de changement d'articles. Grâce à une telle structure de métier faisant appel à une liaison élastique entre les organes ayant des déplacements orientés différemment, on obtient un abaissement du niveau sonore du métier par rapport à un métier similaire ne comportant pas d'élément amortisseur. The rear part of the loom comprising the beam (1), the wire holder, chain breaker, frame guide (3) and the false selvedges, can be mounted on a removable assembly adaptable to the lower module (13) facilitating item change operations. Thanks to such a loom structure using an elastic connection between the members having differently oriented displacements, a lowering of the noise level of the loom is obtained compared to a similar loom having no damping element.

Claims

REVENDICATIONS
1/ Métier à tisser caractérisé en ce que les moyens permettant la formation du tissu (4) sont regroupés dans deux modules superposés (13,14) entre lesquels est interposé un élément amortisseur (15) :1 / Weaving loom characterized in that the means allowing the formation of the fabric (4) are grouped in two superposed modules (13,14) between which is interposed a damping element (15):
- le module inférieur (13) regroupant les moyens assurant le déroulement de la nappe de fils de chaine (2), la formation de la foule et l'enroulement (6) du tissu ;- The lower module (13) grouping the means ensuring the unwinding of the web of warp threads (2), the formation of the crowd and the winding (6) of the fabric;
- le module supérieur (14) regroupant, quant à lui, les moyens (7,8) assurant l'insertion de la trame, la commande du battant supportant le peigne (12) et l'appel (5) du tissu réalisé.- The upper module (14) grouping, meanwhile, the means (7,8) ensuring the insertion of the frame, the control of the leaf supporting the comb (12) and the call (5) of the fabric produced.
2/ Métier à tisser selon la revendication 1, caractérisé en ce que l'élément amortisseur interposé entre chaque module, est constitué par exemple par une couche de poiyuréthane ayant une épaisseur d'environ 20 mm . 2 / weaving loom according to claim 1, characterized in that the damping element interposed between each module, is constituted for example by a layer of polyurethane having a thickness of about 20 mm.
EP95941118A 1995-01-26 1995-11-21 Weaving loom Expired - Lifetime EP0802994B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9501137A FR2729975A1 (en) 1995-01-26 1995-01-26 LOOM
FR9501137 1995-01-26
PCT/FR1995/001529 WO1996023093A1 (en) 1995-01-26 1995-11-21 Weaving loom

Publications (2)

Publication Number Publication Date
EP0802994A1 true EP0802994A1 (en) 1997-10-29
EP0802994B1 EP0802994B1 (en) 1998-12-09

Family

ID=9475713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95941118A Expired - Lifetime EP0802994B1 (en) 1995-01-26 1995-11-21 Weaving loom

Country Status (11)

Country Link
US (1) US5799706A (en)
EP (1) EP0802994B1 (en)
JP (1) JPH10512631A (en)
KR (1) KR987000996A (en)
CN (1) CN1044142C (en)
AT (1) ATE174390T1 (en)
AU (1) AU4263296A (en)
DE (1) DE69506586T2 (en)
ES (1) ES2126333T3 (en)
FR (1) FR2729975A1 (en)
WO (1) WO1996023093A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2790012A1 (en) * 1999-02-24 2000-08-25 Icbt Diederichs Sa Insulation for a loom for noise and vibration has an upper and lower shrouding at the front of the loom extending behind the shed forming mechanism and side control system housings with exhaust air silencers
BE1014128A3 (en) * 2001-04-20 2003-05-06 Wiele Michel Van De Nv Weaving DOUBLE PIECE GAAP FORMATION.
BE1017696A3 (en) * 2007-07-16 2009-04-07 Wiele Michel Van De Nv SUSPENSION OF CROSS BARS IN A WEAVING MACHINE.
DE102010046587B4 (en) * 2010-09-25 2018-04-12 Karl Mayer China Ltd. knitting machine
CN102691159A (en) * 2012-05-14 2012-09-26 浙江理工大学 Novel rapier loom wallboard

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Also Published As

Publication number Publication date
EP0802994B1 (en) 1998-12-09
US5799706A (en) 1998-09-01
FR2729975A1 (en) 1996-08-02
CN1174577A (en) 1998-02-25
ES2126333T3 (en) 1999-03-16
CN1044142C (en) 1999-07-14
FR2729975B1 (en) 1997-02-28
DE69506586T2 (en) 1999-04-29
DE69506586D1 (en) 1999-01-21
AU4263296A (en) 1996-08-14
WO1996023093A1 (en) 1996-08-01
KR987000996A (en) 1998-04-30
ATE174390T1 (en) 1998-12-15
JPH10512631A (en) 1998-12-02

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