EP3936649B1 - Dispositif pour tendre un fil de trame - Google Patents

Dispositif pour tendre un fil de trame Download PDF

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Publication number
EP3936649B1
EP3936649B1 EP21181047.8A EP21181047A EP3936649B1 EP 3936649 B1 EP3936649 B1 EP 3936649B1 EP 21181047 A EP21181047 A EP 21181047A EP 3936649 B1 EP3936649 B1 EP 3936649B1
Authority
EP
European Patent Office
Prior art keywords
weft yarn
air
stretch
travel passage
weft
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.)
Active
Application number
EP21181047.8A
Other languages
German (de)
English (en)
Other versions
EP3936649A1 (fr
Inventor
Daisuke Yagi
Yuichiro KIGUCHI
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP3936649A1 publication Critical patent/EP3936649A1/fr
Application granted granted Critical
Publication of EP3936649B1 publication Critical patent/EP3936649B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D03D47/278—Guide mechanisms for pneumatic looms
    • 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
    • D03D47/30—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 gas jet
    • D03D47/3066—Control or handling of the weft at or after arrival
    • D03D47/308—Stretching or holding the weft

Landscapes

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

Claims (5)

  1. Dispositif pour tendre un fil de trame (40) d'un métier à tisser à jet d'air dans lequel un fil de trame (23) est inséré le long d'un passage de guidage du fil de trame (11) formé dans un peigne (10), le dispositif pour tendre un fil de trame (40) pouvant être disposé devant le peigne (10) du côté de l'arrivée du fil de trame du métier à tisser à jet d'air,
    le dispositif pour tendre un fil de trame (40) comprenant :
    un passage de déplacement de fil de trame (50) s'étendant le long du passage de guidage du fil de trame (11) ;
    un premier élément de décharge d'air (63) configuré pour décharger de l'air dans une direction le long du passage de déplacement de fil de trame (50) ; et
    un deuxième élément de décharge d'air (74) configuré pour décharger l'air dans une direction différente de la direction le long du passage de déplacement de fil de trame (50), le deuxième élément de décharge d'air (74) déchargeant l'air vers le fil de trame (23) dans le passage de déplacement de fil de trame (50), caractérisé en ce que le premier élément de décharge d'air (63) décharge l'air pour introduire le fil de trame (23) dans le passage de déplacement de fil de trame (50).
  2. Dispositif pour tendre un fil de trame (40) selon la revendication 1, caractérisé en ce que le passage de déplacement de fil de trame (50) comprend une partie de flexion (54).
  3. Dispositif pour tendre un fil de trame (40) selon la revendication 2, caractérisé en ce que
    le deuxième élément de décharge d'air (74) décharge l'air au niveau de la partie de flexion (54).
  4. Dispositif pour tendre un fil de trame (40) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que
    le premier élément de décharge d'air (63) cesse de décharger l'air après que le deuxième élément de décharge d'air (74) a déchargé l'air.
  5. Dispositif pour tendre un fil de trame (40) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que
    le premier élément de décharge d'air (63) continue à décharger l'air après que le deuxième élément de décharge d'air (74) a déchargé l'air.
EP21181047.8A 2020-07-07 2021-06-23 Dispositif pour tendre un fil de trame Active EP3936649B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020116908A JP2022014545A (ja) 2020-07-07 2020-07-07 緯糸張力付与装置

Publications (2)

Publication Number Publication Date
EP3936649A1 EP3936649A1 (fr) 2022-01-12
EP3936649B1 true EP3936649B1 (fr) 2023-06-14

Family

ID=76584360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21181047.8A Active EP3936649B1 (fr) 2020-07-07 2021-06-23 Dispositif pour tendre un fil de trame

Country Status (3)

Country Link
EP (1) EP3936649B1 (fr)
JP (1) JP2022014545A (fr)
CN (1) CN113913999B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023156763A (ja) 2022-04-13 2023-10-25 株式会社豊田自動織機 エアジェット織機の緯糸張力付与装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000170057A (ja) * 1998-12-09 2000-06-20 Toyota Autom Loom Works Ltd ジェットルームにおける緯糸張力付与装置
DE10224078A1 (de) * 2002-05-31 2003-12-18 Dornier Gmbh Lindauer Verfahren zum Gestreckthalten eines Schussfadens und Webmaschine zur Verfahrensdurchführung
JP2004218103A (ja) * 2003-01-10 2004-08-05 Tsudakoma Corp 流体噴射式織機の緯糸張力付与装置
JP4410048B2 (ja) * 2004-02-19 2010-02-03 株式会社豊田中央研究所 ジェットルームにおける緯糸張力付与装置
BE1017893A5 (nl) * 2007-12-10 2009-10-06 Te Strake Textile Bv Strekinrichting voor het strekken van een inslagdraad.
JP5369915B2 (ja) 2009-06-11 2013-12-18 株式会社豊田自動織機 エアジェット織機における緯糸張力付与装置
JP5689827B2 (ja) * 2011-02-01 2015-03-25 株式会社豊田中央研究所 緯糸張力付与装置
JP5884774B2 (ja) * 2013-05-29 2016-03-15 株式会社豊田自動織機 エアジェット織機における緯糸張力付与装置
JP6119715B2 (ja) * 2014-10-27 2017-04-26 株式会社豊田自動織機 エアジェット織機における緯糸張力付与装置

Also Published As

Publication number Publication date
CN113913999B (zh) 2022-10-04
JP2022014545A (ja) 2022-01-20
CN113913999A (zh) 2022-01-11
EP3936649A1 (fr) 2022-01-12

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