EP0309700A1 - Métier à tisser à pinces - Google Patents

Métier à tisser à pinces Download PDF

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Publication number
EP0309700A1
EP0309700A1 EP88112967A EP88112967A EP0309700A1 EP 0309700 A1 EP0309700 A1 EP 0309700A1 EP 88112967 A EP88112967 A EP 88112967A EP 88112967 A EP88112967 A EP 88112967A EP 0309700 A1 EP0309700 A1 EP 0309700A1
Authority
EP
European Patent Office
Prior art keywords
rapier
weaving machine
machine according
adjusting device
clamp
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
EP88112967A
Other languages
German (de)
English (en)
Other versions
EP0309700B1 (fr
Inventor
Francisco Speich
Erich Bühler
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.)
Textilma AG
Original Assignee
Textilma AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4264796&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0309700(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Textilma AG filed Critical Textilma AG
Publication of EP0309700A1 publication Critical patent/EP0309700A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/20—Constructional features of the thread-engaging device on the inserters

Definitions

  • the invention relates to a rapier weaving machine according to the preamble of claim 1.
  • Gripper weaving machines are known in large numbers, for example from DE-OS 23 44 123, grippers are positively inserted or pulled out of a shed.
  • a distinction is made between rapier weaving machines with one-sided and those with double-sided rapiers, with one-sided rapiers running through the entire shed.
  • double-sided rapiers a rapier is inserted into the shed from each side of the fabric, a rapier pulling in a weft thread from one side, delivering it in the middle of the shed to the taker gripper, who then pulls the weft thread completely out of the shed.
  • the object of the invention is to further improve such rapier weaving machines in such a way that the distance of the open position of the rapier from the shed or the selvedge to the weft thread release after the weft thread is drawn in by the shed can be adjusted during operation of the rapier weaving machine.
  • the object is achieved according to the invention by the characterizing features of claim 1.
  • the adjusting device it is possible to adjust the distance of the open position of the clamp from the shed or the selvedge after pulling the weft thread through the shed to the respective operating conditions. For example, when the rapier weaving machine is at a standstill or crawling, it is possible to provide the open position at a greater distance from the shed and to bring it closer to the shed during operation, for example depending on the speed such that the distance can be reduced to the minimum possible.
  • Claim 2 describes a particularly simple solution of the adjusting device.
  • an embodiment according to Claim 3 is also possible.
  • Various variants are conceivable for driving the adjusting device, as specified in claims 4 to 8.
  • the actuating device can now be controlled individually by hand or automatically, in which the actuating device is designed, for example, according to claim 8. Automatic control according to claim 9 is particularly advantageous.
  • the adjusting device is suitable both for rapier weaving machines with one-sided rapiers and, in particular, for those with double-sided rapiers.
  • FIGS 1, to 3 show a slave rapier 2 of a rapier weaving machine with two weft insertion devices, i.e. two-sided grippers after leaving the shed 6 formed by warp threads 4, through which the slave gripper 2 has drawn a weft thread 8.
  • the slave gripper 2 is fastened to an infeed belt 10 and contains a receiving slot 14 for the weft thread 8 on a lance-shaped part 12.
  • a clamp 16 is provided which can be pivoted about a bolt 18 and with one the receiving slot 14 cooperating clamping arm 20.
  • the clamping arm 22 forms an overrun cam 26 which, with an opener, i.e. an actuator 28 cooperates to open the clamp.
  • the adjusting device 28 contains a control bar 32 which can be pivoted about a bolt 30 and which cooperates with the overrun cam 26.
  • the inclination of the control bar 32 and thus the open position of the terminal can be determined by an eccentric gear 34.
  • the eccentric pin 38 arranged on a disk 36 can either be operated by hand or by means of an electric motor 40 Microprocessor-equipped control device of the rapier weaving machine can be.
  • This adjusting device makes it possible to effect the open position early, i.e. with a short distance X1 from the shed or from the selvedge 43, if the control bar according to FIG. 2 is practically parallel to the direction of travel of the slave rapier. If, on the other hand, the control bar 32 forms an inclination to the running direction of the slave gripper, as shown in FIG. 3, the clamp 16 is opened late with a correspondingly large distance X2 from the shed 6 or the selvedge.
  • FIG. 4 shows a further exemplary embodiment of an actuating device 44 which has a control bar 46 which interacts with the run-up cam 26 of the terminal 16.
  • the latter contains a run-up curve 48 and is displaceable in the running direction 50 of the slave gripper 2.
  • the control bar 46 is mounted on the bolt 54 via slots 52.
  • a fluid-actuated piston / cylinder unit 56 is used for displacement, the piston rod 58 of which is articulated on an arm 60 of the control bar 46.
  • the actuating device 44 can be actuated in a variety of ways, not shown in detail, analogously to the above statements.
  • FIG. 5 shows a further exemplary embodiment of an actuating device 62, which is designed similarly to that of the exemplary embodiment of FIGS. 2 and 3, but the control strip 32 is prestressed against the slave gripper 2 or its clamp 16 on the control strip by means of a spring 64 32 is a tension member 66, for example a cord, a belt or the like. Connected, which is guided via a deflection roller 68 to a control device 70 of the rapier weaving machine.
  • the control device can be, for example shedding device controlled by a microprocessor, for example a jar quard device, a control wire of which is connected to the tension member 66.
  • the microprocessor can then control the control wire and thus the control device as a function of the speed of the rapier weaving machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP88112967A 1987-10-02 1988-08-10 Métier à tisser à pinces Expired - Lifetime EP0309700B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3849/87 1987-10-02
CH384987 1987-10-02

Publications (2)

Publication Number Publication Date
EP0309700A1 true EP0309700A1 (fr) 1989-04-05
EP0309700B1 EP0309700B1 (fr) 1992-12-23

Family

ID=4264796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88112967A Expired - Lifetime EP0309700B1 (fr) 1987-10-02 1988-08-10 Métier à tisser à pinces

Country Status (5)

Country Link
US (1) US4949762A (fr)
EP (1) EP0309700B1 (fr)
JP (1) JP2683721B2 (fr)
DE (2) DE3812966A1 (fr)
ES (1) ES2037159T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040218A1 (fr) * 1996-04-19 1997-10-30 Picanol N.V. Dispositif pour ouvrir une pince de rapiere d'un metier mecanique
BE1010195A3 (nl) * 1996-04-19 1998-02-03 Picanol Nv Inrichting en werkwijze voor het openen van een grijperklem.
EP1054088A1 (fr) * 1999-05-14 2000-11-22 Lindauer Dornier Gesellschaft M.B.H Dispositif de commande pour actionner le levier de pinçage de la griffe tireuse dans les métiers à pinces
WO2010142446A1 (fr) * 2009-06-10 2010-12-16 Picanol N.V. Unité préhensile, système de commande pour unité préhensile, et métier à tisser
WO2016177601A1 (fr) 2015-05-07 2016-11-10 Picanol Dispositif d'ouverture de pince pour un métier à tisser

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134504A1 (de) * 2001-07-05 2003-01-16 Picanol Nv Verfahren und Vorrichtung zum Öffnen einer Greiferklemme eines Greifers einer Webmaschine
ITMI20030293U1 (it) * 2003-06-26 2004-12-27 Promatech Spa Apripinza motorizzato perfezionato

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344123A1 (de) * 1972-08-31 1974-03-14 Mackie & Sons Ltd J Schuetzenloser webstuhl
FR2214773A1 (fr) * 1973-01-24 1974-08-19 Mackie & Sons Ltd J
DE2536022A1 (de) * 1975-08-13 1977-02-17 Guesken Fa J Schussfaden-eintragvorrichtung fuer schuetzenlose webmaschinen
EP0266286A2 (fr) * 1986-10-31 1988-05-04 SOCIETE ALSACIENNE DE MATERIEL TEXTILE- SAMT (Société anonyme) Dispositif pour l'insertion des fils de trame sur les métiers à tisser sans navette

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837124A (en) * 1953-06-09 1958-06-03 Ancet Victor Marie Joseph Shuttleless weaving loom
CH460661A (fr) * 1965-03-27 1968-07-31 Durand Marcel Métier à tisser à aiguille
DE1967192U (de) * 1966-06-10 1967-08-24 Nuova San Giorgio Spa Vorrichtung zum ziehen und befreien des schussgarnes in schuetzenlosen webstuehlen.
US3927699A (en) * 1974-10-29 1975-12-23 Rockwell International Corp Weft carrier control apparatus
CH611354A5 (fr) * 1975-04-17 1979-05-31 Dornier Gmbh Lindauer
NL155604B (nl) * 1975-10-06 1978-01-16 Picanol Nv Aandrijfinrichting voor naalden op een naaldgetouw.
DE3512303C1 (de) * 1985-04-04 1986-06-12 Lindauer Dornier Gmbh, 8990 Lindau Einrichtung an schuetzenlosen Webmaschinen mit Schusseintrag durch mit Klemmvorrichtungen versehene Greiferstangen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344123A1 (de) * 1972-08-31 1974-03-14 Mackie & Sons Ltd J Schuetzenloser webstuhl
FR2214773A1 (fr) * 1973-01-24 1974-08-19 Mackie & Sons Ltd J
DE2536022A1 (de) * 1975-08-13 1977-02-17 Guesken Fa J Schussfaden-eintragvorrichtung fuer schuetzenlose webmaschinen
EP0266286A2 (fr) * 1986-10-31 1988-05-04 SOCIETE ALSACIENNE DE MATERIEL TEXTILE- SAMT (Société anonyme) Dispositif pour l'insertion des fils de trame sur les métiers à tisser sans navette

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997040218A1 (fr) * 1996-04-19 1997-10-30 Picanol N.V. Dispositif pour ouvrir une pince de rapiere d'un metier mecanique
BE1010195A3 (nl) * 1996-04-19 1998-02-03 Picanol Nv Inrichting en werkwijze voor het openen van een grijperklem.
EP1054088A1 (fr) * 1999-05-14 2000-11-22 Lindauer Dornier Gesellschaft M.B.H Dispositif de commande pour actionner le levier de pinçage de la griffe tireuse dans les métiers à pinces
WO2010142446A1 (fr) * 2009-06-10 2010-12-16 Picanol N.V. Unité préhensile, système de commande pour unité préhensile, et métier à tisser
BE1018774A3 (nl) * 2009-06-10 2011-08-02 Picanol Nv Grijpereenheid, controlesysteem voor een grijpereenheid en weefmachine.
CN102803591A (zh) * 2009-06-10 2012-11-28 必佳乐公司 夹持单元，用于夹持单元的控制系统和织机
WO2016177601A1 (fr) 2015-05-07 2016-11-10 Picanol Dispositif d'ouverture de pince pour un métier à tisser

Also Published As

Publication number Publication date
EP0309700B1 (fr) 1992-12-23
DE3812966A1 (de) 1989-04-20
JP2683721B2 (ja) 1997-12-03
US4949762A (en) 1990-08-21
DE3876921D1 (de) 1993-02-04
JPH01111043A (ja) 1989-04-27
ES2037159T3 (es) 1993-06-16

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