EP1367159A3 - Process and device for bringing a clamped weft yarn to a bringer gripper of a loom - Google Patents

Process and device for bringing a clamped weft yarn to a bringer gripper of a loom Download PDF

Info

Publication number
EP1367159A3
EP1367159A3 EP03005212A EP03005212A EP1367159A3 EP 1367159 A3 EP1367159 A3 EP 1367159A3 EP 03005212 A EP03005212 A EP 03005212A EP 03005212 A EP03005212 A EP 03005212A EP 1367159 A3 EP1367159 A3 EP 1367159A3
Authority
EP
European Patent Office
Prior art keywords
weft
clamp
loom
presenting
clamps
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
EP03005212A
Other languages
German (de)
French (fr)
Other versions
EP1367159A2 (en
EP1367159B1 (en
Inventor
Wilhelm Herrlein
Manuel Renz
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP1367159A2 publication Critical patent/EP1367159A2/en
Publication of EP1367159A3 publication Critical patent/EP1367159A3/en
Application granted granted Critical
Publication of EP1367159B1 publication Critical patent/EP1367159B1/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
    • 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
    • D03D47/125—Weft holding devices
    • 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
    • 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
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

Reduction of weft waste in a weaving loom having a weft insertion gripper, comprises clamping a weft thread following insertion of the weft thread into a loom shed by a weft presenting first clamp and by a weft holding second clamp on a weft insertion side of the loom shed; moving the clamps with beat-up motion of a reed; and cutting the weft thread between clamps. Reduction of weft waste in a weaving loom having a weft insertion gripper, comprises clamping a weft thread (7) following insertion of the weft thread into a loom shed by a weft presenting first clamp (13) and by a weft holding second clamp (18) on a weft insertion side of the loom shed; moving the clamps with beat-up motion of a reed (4) toward an axial extension of a beat-up line (8); cutting the weft thread between clamps while the clamps are still following the beat-up motion of the reed, to form a leading weft end (7A) of a weft yet to be inserted into the loom shed and a trailing weft end (7B) of an inserted weft (7C); continuing to hold the trailing weft end by the second clamp until beat-up is completed; opening the second clamp to release the trailing weft end and returning the second clamp into a starting position; and returning the first clamp still holding the leading weft end into a rest position. An Independent claim is also included for an apparatus for reducing weft waste in a gripper weaving loom, comprising reed; weft insertion gripper (10) for moving into and out of a loom shed; weft supplies; movable weft presenter (12) for each weft supply; weft presenting first clamp mounted to its respective movable weft presenter for movement between a rest position (12A) and a weft presenting position (12B) for presenting a leading weft end to the gripper; weft holding second clamp movable mounted in the weaving loom for at least partly following a movement of the reed; weft cutter (20) mounted in a stationary position next to the weft presenting position of the weft presenting first clamp next to a weft entrance edge (17) of the loom shed, where the cutter is effective between the two clamps.
EP03005212A 2002-03-27 2003-03-08 Process and device for bringing a clamped weft yarn to a bringer gripper of a loom Expired - Lifetime EP1367159B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10213639 2002-03-27
DE10213639A DE10213639C1 (en) 2002-03-27 2002-03-27 Method and device for feeding a clamped weft thread to a gripper of a weaving machine

Publications (3)

Publication Number Publication Date
EP1367159A2 EP1367159A2 (en) 2003-12-03
EP1367159A3 true EP1367159A3 (en) 2004-05-06
EP1367159B1 EP1367159B1 (en) 2007-10-24

Family

ID=28050887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005212A Expired - Lifetime EP1367159B1 (en) 2002-03-27 2003-03-08 Process and device for bringing a clamped weft yarn to a bringer gripper of a loom

Country Status (5)

Country Link
US (1) US6938648B2 (en)
EP (1) EP1367159B1 (en)
JP (1) JP4339001B2 (en)
AT (1) ATE376598T1 (en)
DE (2) DE10213639C1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE356236T1 (en) * 2004-06-25 2007-03-15 Luigi Omodeo Zorini NEEDLE WEAVING MACHINE WITH AUTOMATIC CHANGE OF THE WEFT THREAD
CN102505281A (en) * 2011-09-30 2012-06-20 浙江理工大学 Rapier loom weft insertion and beat-up mechanism of eccentric noncircular gear-crank rocker
DE102015217356B3 (en) * 2015-09-10 2016-10-20 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Weaving machine with a device and method for holding, feeding and entering weft threads in a shed
CN107217375A (en) * 2017-07-24 2017-09-29 吴江君和纺织电器有限公司 Store up Weft handling device and system of weaving cotton cloth
IT201900014982A1 (en) * 2019-08-23 2021-02-23 Santex Rimar Group S R L DEVICE FOR WEFT SAVING IN WEAVING MACHINES

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0240075A2 (en) * 1986-04-03 1987-10-07 Picanol N.V. Process for clamping, fastening and presentation of weft threads in gripper weaving looms and device used to this end.
DE19739853A1 (en) * 1997-09-11 1999-03-18 Dornier Gmbh Lindauer Weft yarn selector and clamp for feeding weft on rapier loom

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS166597B1 (en) * 1974-07-25 1976-03-29
DE2651875C3 (en) * 1976-11-13 1981-02-05 Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau Device for beating up and cutting off weft threads entered in the shed in shuttleless weaving machines equipped with mixer changers
DE3042053C1 (en) * 1980-11-07 1982-11-11 Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau Non-contact weaving machine with weft insertion by insertion grippers which are advanced into the shed and withdrawn again
US4855875A (en) * 1987-05-11 1989-08-08 Tokyo Kogaku Kikai Kabushiki Kaisha Light source device for medical apparatus
US5199468A (en) * 1990-06-21 1993-04-06 Sulzer Brothers Limited Weft yarn clearing device
DE59804179D1 (en) 1997-09-11 2002-06-27 Dornier Gmbh Lindauer Controllable weft feeder and clamping device and device arrangement for minimizing weft thread waste during fabric production on weaving machines, in particular on rapier weaving machines
DE59910006D1 (en) * 1999-01-12 2004-08-26 Sultex Ag Rueti Device for separating a weft thread to be introduced into a shed and loom with such a device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0240075A2 (en) * 1986-04-03 1987-10-07 Picanol N.V. Process for clamping, fastening and presentation of weft threads in gripper weaving looms and device used to this end.
DE19739853A1 (en) * 1997-09-11 1999-03-18 Dornier Gmbh Lindauer Weft yarn selector and clamp for feeding weft on rapier loom

Also Published As

Publication number Publication date
US6938648B2 (en) 2005-09-06
DE10213639C1 (en) 2003-12-18
JP4339001B2 (en) 2009-10-07
JP2003293247A (en) 2003-10-15
ATE376598T1 (en) 2007-11-15
US20030183295A1 (en) 2003-10-02
DE50308448D1 (en) 2007-12-06
EP1367159A2 (en) 2003-12-03
EP1367159B1 (en) 2007-10-24

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