EP3187631A3 - Method for removing a weft incorrectly inserted by a hydraulic pick into the shed of a weaving machine and a hydraulic device for performing the method - Google Patents

Method for removing a weft incorrectly inserted by a hydraulic pick into the shed of a weaving machine and a hydraulic device for performing the method Download PDF

Info

Publication number
EP3187631A3
EP3187631A3 EP16206650.0A EP16206650A EP3187631A3 EP 3187631 A3 EP3187631 A3 EP 3187631A3 EP 16206650 A EP16206650 A EP 16206650A EP 3187631 A3 EP3187631 A3 EP 3187631A3
Authority
EP
European Patent Office
Prior art keywords
weft
shed
machine
hydraulic
weaving machine
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
EP16206650.0A
Other languages
German (de)
French (fr)
Other versions
EP3187631B1 (en
EP3187631A2 (en
Inventor
Jiri Mlynar
Martin Beran
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.)
Vuts AS
Original Assignee
Vuts AS
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 Vuts AS filed Critical Vuts AS
Publication of EP3187631A2 publication Critical patent/EP3187631A2/en
Publication of EP3187631A3 publication Critical patent/EP3187631A3/en
Application granted granted Critical
Publication of EP3187631B1 publication Critical patent/EP3187631B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/06—Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping
    • D03D51/08—Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping stopping at definite point in weaving cycle, or moving to such point after stopping
    • D03D51/085—Extraction of defective weft
    • 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
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/32—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by liquid jet

Landscapes

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

Abstract

The subject of the invention is a method for removing a weft incorrectly inserted into the shed of a hydraulic weaving machine. The removal of the weft on the hydraulic weaving machine is carried out through a sequence of consecutive dependent operations, by the control system without operator intervention, whereby these operations, if performed correctly, lead to detecting the defectively inserted weft in the fabric, removing the defectively inserted weft, replacing it with a new weft and finally to automatic restart of the machine to resume normal production mode. All these tasks, including current control of all the operations of the sequence, are performed without machine operator intervention. Automatic removal of the weft is performed by some standard systems used on the machine and by a system of checking whether the removal of the weft has been successful and of subsequent checking whether the new weft insertion into the shed has been successful.
EP16206650.0A 2015-12-28 2016-12-23 Method for removing a weft incorrectly inserted by a hydraulic pick into the shed of a weaving machine and a hydraulic device for performing the method Not-in-force EP3187631B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2015-939A CZ2015939A3 (en) 2015-12-28 2015-12-28 A method of removing a weft which has been misplaced by the hydraulic picking in the shed of the hydraulic weaving machine and a device for its implementation

Publications (3)

Publication Number Publication Date
EP3187631A2 EP3187631A2 (en) 2017-07-05
EP3187631A3 true EP3187631A3 (en) 2017-11-15
EP3187631B1 EP3187631B1 (en) 2019-11-27

Family

ID=58043823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16206650.0A Not-in-force EP3187631B1 (en) 2015-12-28 2016-12-23 Method for removing a weft incorrectly inserted by a hydraulic pick into the shed of a weaving machine and a hydraulic device for performing the method

Country Status (2)

Country Link
EP (1) EP3187631B1 (en)
CZ (1) CZ2015939A3 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781221A (en) * 1985-06-29 1988-11-01 Nissan Motor Co., Ltd. Mispicked weft yarn removing method and system therefor
EP0330023A1 (en) * 1988-02-25 1989-08-30 Zvs Vyzkumnevyvojovy Ustav Koncernova Ucelova Organizace Method of preparing the weft and its removal from the open shed in jet weaving machines
US5251674A (en) * 1990-07-18 1993-10-12 Tsudakoma Kogyo Kabushiki Kaisha Weft feeler device of loom
CN104846513A (en) * 2015-05-29 2015-08-19 苏州华毅机械有限公司 Water-jet loom comprising electronic weft insertion pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS675488A2 (en) * 1988-02-25 1991-05-14 Pajgrt Jan Method of weft preparation for its removal from open shed of rapier loom
FR2659361B1 (en) * 1990-03-06 1994-07-29 Saurer Diederichs Sa AUTOMATIC DETACHING DEVICE FOR WEAVING MACHINES WITH MECHANICAL WEFT INSERTION.
CS287590A2 (en) * 1990-06-11 1991-12-17 Texing Brno S P Method of defectively woven-in inseparable weft's loosening and simultaneous repair
CZ291397B6 (en) * 2000-11-29 2003-02-12 Vúts Liberec A. S. Air-operated weaving machine picking nozzle
CZ20004616A3 (en) * 2000-12-11 2003-01-15 Trustfin, A. S. Method for automatic removal of faulty picked weft on weaving machine
CZ20011019A3 (en) * 2001-03-20 2003-01-15 Trustfin, A. S. Method for removal weft waste on the side of weft range end of pneumatic loom picking system and apparatus for making the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781221A (en) * 1985-06-29 1988-11-01 Nissan Motor Co., Ltd. Mispicked weft yarn removing method and system therefor
EP0330023A1 (en) * 1988-02-25 1989-08-30 Zvs Vyzkumnevyvojovy Ustav Koncernova Ucelova Organizace Method of preparing the weft and its removal from the open shed in jet weaving machines
US5251674A (en) * 1990-07-18 1993-10-12 Tsudakoma Kogyo Kabushiki Kaisha Weft feeler device of loom
CN104846513A (en) * 2015-05-29 2015-08-19 苏州华毅机械有限公司 Water-jet loom comprising electronic weft insertion pump

Also Published As

Publication number Publication date
CZ306814B6 (en) 2017-07-19
EP3187631B1 (en) 2019-11-27
EP3187631A2 (en) 2017-07-05
CZ2015939A3 (en) 2017-07-19

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