EP0993514B2 - Vorrichtung zum strecken und spannen eines schussfadens und webmaschine mit einer solchen vorrichtung - Google Patents

Vorrichtung zum strecken und spannen eines schussfadens und webmaschine mit einer solchen vorrichtung Download PDF

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Publication number
EP0993514B2
EP0993514B2 EP98920441A EP98920441A EP0993514B2 EP 0993514 B2 EP0993514 B2 EP 0993514B2 EP 98920441 A EP98920441 A EP 98920441A EP 98920441 A EP98920441 A EP 98920441A EP 0993514 B2 EP0993514 B2 EP 0993514B2
Authority
EP
European Patent Office
Prior art keywords
nozzle
channel
weft
weft thread
air
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.)
Expired - Lifetime
Application number
EP98920441A
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German (de)
English (en)
French (fr)
Other versions
EP0993514A1 (de
EP0993514B1 (de
Inventor
Francisco Speich
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7834273&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0993514(B2) "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 EP0993514A1 publication Critical patent/EP0993514A1/de
Publication of EP0993514B1 publication Critical patent/EP0993514B1/de
Application granted granted Critical
Publication of EP0993514B2 publication Critical patent/EP0993514B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D03D47/28—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
    • 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

Definitions

  • the invention relates to a device for stretching and tensioning a weft thread for a jet loom according to the preamble of claim 1 and a loom with such a device.
  • a jet loom with a weft detector and with a tensioning device for stretching and holding a weft yarn to a stop is described.
  • This device has a body with a half-open recess, whose one boundary surface has an air inlet opening and whose other boundary surface has an air outlet opening.
  • the two openings are opposite each other and are connected to an air supply line or to an air suction, so that in the recess transversely to the firing direction, an air flow can be generated.
  • a device is known in which a nozzle is laterally displaceable, but only to select a place of work within the reed, but not to influence the jet. Further, the nozzle is pivotable in the weft direction to interrupt the suction and not to deflect the weft in the suction channel, but dissipate along the firing channel.
  • the object of the invention is to improve a device for stretching and tensioning a weft thread.
  • the invention has the advantages that the nozzle on the one hand generates two jets of air, which form an air curtain and that the nozzle on the other hand is adjustable with respect to the channel. As a result, a thread deflection is ensured regardless of the type of thread and held the weft safely stretched.
  • a reed 1 with a guide channel 2 for a weft thread, a weft thread guard 3 and a device 4 of the type in question are arranged downstream in the weft direction.
  • the apparatus 4 includes a nozzle holder 5 and a nozzle 6 mounted on the nozzle holder.
  • the nozzle holder 5 has a through hole 8 which forms a channel for receiving a weft thread 9 and a projection 10 which has a slotted hole for receiving the nozzle 6.
  • the nozzle 6 consists of a body 11, which has a rectangular-like cross-section with parallel longitudinal sides and rounded narrow sides ( Figure 2) and a cylindrical projection 12.
  • a blind bore 13 and two nozzle holes 14 are formed, which are arranged parallel to each other and open out in the rounded side.
  • the nozzle is rotatably mounted in the holder and secured by a screw, not shown. As a result, a half-open recess 15 is formed, which is aligned with the guide channel 2.
  • the nozzle 6 is connected to a conduit 16 for supplying air.
  • the nozzle 6 is shown in a position in which, analogously to the prior art, the nozzle holes are aligned with the channel. Due to the cutting air jets occur the known problems. If the conveying air flow for the weft thread stronger than air flow from the nozzle 6, the weft thread 9 is not deflected correctly and tense. If the air flow from the nozzle 6 is stronger, the conveying air flow for the weft yarn is deflected even before reaching the device. Thus, the intersecting air currents are matched, which is very expensive. In the first embodiment of the device, this tuning of the air streams by pivoting the nozzle 6 and thus the generated air curtain is facilitated in an advantageous manner (Figure 3).
  • FIGS. 5 to 7 show a second embodiment of the device.
  • a nozzle holder 21 is subdivided into a base body 22 with the channel 8 and a plate-shaped holding element 23 for the nozzle 6.
  • the holding element 23 is provided with the slotted bore, in which the nozzle 6 is arranged and fastened by means of a screw 26 on the base body.
  • the holding element 23 is arranged so that on the one hand the half-open recess 15 is formed and on the other hand, the nozzle orifices of the nozzle 6 is aligned with the mouth of the channel 8.
  • the problems explained above occur, which, however, are remedied by displacing the nozzle 6 according to FIG. 6, the second embodiment of the device is arranged so that on the one hand, the half-open recess is formed and on the other hand, the nozzle orifices of the nozzle 6 are offset to the mouth of the channel 8 against the weft direction.
  • the nozzle holes 14 are arranged parallel to one another. If the nozzle 6 supplied air, an air curtain is generated by means of the nozzle holes 14. This air curtain extends transversely to the conveying air flow for a weft thread. Through this air curtain, the conveying air flow for the weft thread and thus also the weft yarn is pushed to the channel mouth and directed into the channel B in the first place. As a result, the weft thread is advantageously kept stretched and stretched both by the airflow out of the nozzle and by the conveying air flow for the weft thread.
  • the device has a nozzle holder (5) with a channel (8) for receiving a weft thread and a nozzle (6) with nozzle holes (14) for stretching and tensioning the weft thread.
  • the nozzle (6) is mounted on the nozzle holder, such that the nozzle with respect to the weft direction is adjustable, in particular pivotable or displaceable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP98920441A 1997-07-01 1998-05-27 Vorrichtung zum strecken und spannen eines schussfadens und webmaschine mit einer solchen vorrichtung Expired - Lifetime EP0993514B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19728013A DE19728013A1 (de) 1997-07-01 1997-07-01 Vorrichtung zum Strecken und Spannen eines Schussfadens und Webmaschine mit einer solchen Vorrichtung
DE19728013 1997-07-01
PCT/CH1998/000223 WO1999001599A1 (de) 1997-07-01 1998-05-27 Vorrichtung zum strecken und spannen eines schussfadens und webmaschine mit einer solchen vorrichtung

Publications (3)

Publication Number Publication Date
EP0993514A1 EP0993514A1 (de) 2000-04-19
EP0993514B1 EP0993514B1 (de) 2002-04-17
EP0993514B2 true EP0993514B2 (de) 2006-11-29

Family

ID=7834273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98920441A Expired - Lifetime EP0993514B2 (de) 1997-07-01 1998-05-27 Vorrichtung zum strecken und spannen eines schussfadens und webmaschine mit einer solchen vorrichtung

Country Status (14)

Country Link
US (1) US6220308B1 (es)
EP (1) EP0993514B2 (es)
JP (1) JP2002507256A (es)
KR (1) KR100467014B1 (es)
CN (1) CN1092729C (es)
AU (1) AU7329798A (es)
BR (1) BR9810505A (es)
CA (1) CA2294799C (es)
CZ (1) CZ294692B6 (es)
DE (2) DE19728013A1 (es)
ES (1) ES2175705T5 (es)
RU (1) RU2170785C1 (es)
TR (1) TR199903334T2 (es)
WO (1) WO1999001599A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20107885U1 (de) 2001-05-10 2001-10-11 Dornier Gmbh Lindauer Halteeinrichtung für die Enden von Schussfäden bei einer Luftdüsenwebmaschine
EP1365053B1 (de) * 2002-04-26 2005-07-20 Sultex AG Fang- und Haltevorrichtung für das fangseitige Schussfadenende in einer Webmaschine
DE50300789D1 (de) * 2002-04-26 2005-08-25 Sultex Ag Rueti Fang- und Haltevorrichtung für das fangseitige Schussfadenende in einer Webmaschine
DE10261774A1 (de) * 2002-12-20 2004-07-01 Picanol N.V. Vorrichtung und Verfahren zum Strecken
KR101056459B1 (ko) * 2009-09-11 2011-08-11 주식회사 한백아이엔티 에어제트 직기용 흡입형 얀 스트레치 노즐
CN105483914B (zh) * 2016-01-12 2017-11-24 青岛天一集团红旗纺织机械有限公司 一种喷气织机纬纱牵伸装置
JP2020111853A (ja) * 2019-01-15 2020-07-27 株式会社豊田自動織機 エアジェット織機の緯入れ装置
CN112267194A (zh) * 2020-09-30 2021-01-26 际华三五四二纺织有限公司 一种具有纬纱自动清理功能的引纬机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200637A1 (de) † 1981-01-13 1982-08-12 Rueti Te Strake Bv "duesenwebmaschine"
JPS63110586A (ja) † 1986-10-28 1988-05-16 株式会社　泉精器製作所 多極圧接コネクタ用電線接続工具
US4838321A (en) † 1986-09-04 1989-06-13 Nissan Motor Co., Ltd. Multiple-phase weaving fluid jet loom
JPH0643188A (ja) † 1992-07-24 1994-02-18 Yokogawa Electric Corp 波形解析装置
JPH0663580A (ja) † 1992-08-24 1994-03-08 Shikoku Chem Corp 活性汚泥のバルキング解消剤及び解消方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744533A (en) 1971-08-03 1973-07-10 Teijin Ltd Adjustment of filling tension in fluid jet loom and apparatus thereof
NL7605882A (nl) 1976-05-31 1977-12-02 Rueti Te Strake Bv Weefmachine.
NL7907050A (nl) * 1979-09-21 1981-03-24 Rueti Te Strake Bv Pneumatische weefmachine.
NL8004551A (nl) * 1980-08-11 1982-03-01 Rueti Te Strake Bv Werkwijze voor het inbrengen en strekken van een afgemeten inslagdraadstuk in het weefvak van een spoelloze weefmachine.
BE1005230A3 (nl) * 1991-01-04 1993-06-01 Picanol Nv Inrichting voor het strekken van een inslagdraad bij weefmachines.
US5224521A (en) * 1991-04-30 1993-07-06 Sulzer Brothers Limited Weft catcher with gripping device
DE4118411C1 (en) 1991-06-05 1992-08-20 Lindauer Dornier Gmbh, 8990 Lindau, De Device for airjet loom which minimises pick waste - including yarn drawing device on auxiliary reed connected to profiled reed on yarn arrival side, etc.
DE4213754C1 (de) * 1992-04-25 1993-12-02 Dornier Gmbh Lindauer Einrichtung zum pneumatischen Führen turbulenter Schußfadenenden einer Hilfsgewebeleiste in Luftdüsenwebmaschinen
DE4443371C1 (de) 1994-12-06 1996-01-18 Dornier Gmbh Lindauer Schußfadenstreck- und Detektiereinrichtung für Düsenwebmaschinen
DE19545839C1 (de) * 1995-12-08 1996-08-29 Dornier Gmbh Lindauer Verfahren und Webmaschine zur Handhabung eines Schußfadens
DE29711481U1 (de) 1997-07-01 1997-09-11 Textilma Ag Vorrichtung zum Strecken und Spannen eines Schussfadens und Webmaschine mit einer solchen Vorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200637A1 (de) † 1981-01-13 1982-08-12 Rueti Te Strake Bv "duesenwebmaschine"
US4838321A (en) † 1986-09-04 1989-06-13 Nissan Motor Co., Ltd. Multiple-phase weaving fluid jet loom
JPS63110586A (ja) † 1986-10-28 1988-05-16 株式会社　泉精器製作所 多極圧接コネクタ用電線接続工具
JPH0643188A (ja) † 1992-07-24 1994-02-18 Yokogawa Electric Corp 波形解析装置
JPH0663580A (ja) † 1992-08-24 1994-03-08 Shikoku Chem Corp 活性汚泥のバルキング解消剤及び解消方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DUBBEL, Taschenbuch für den Maschinenbau. 16. Aufl. Berlin: Springer 1987, page G 24, Bild 33 and page G 25, Bild 34 †
Niemann, G: Maschinenelemente. Bd. 1. 2. Aufl. Berlin: Springer 1981 (cited from DUBBEL, Taschenbuch für den Maschinenbau. 20. Aufl. Berlin: Springer 2001, Seite G 28, Bild 34) †

Also Published As

Publication number Publication date
CZ477999A3 (cs) 2000-07-12
EP0993514A1 (de) 2000-04-19
WO1999001599A1 (de) 1999-01-14
EP0993514B1 (de) 2002-04-17
JP2002507256A (ja) 2002-03-05
CA2294799C (en) 2006-02-21
DE19728013A1 (de) 1999-01-07
ES2175705T3 (es) 2002-11-16
TR199903334T2 (xx) 2000-07-21
US6220308B1 (en) 2001-04-24
AU7329798A (en) 1999-01-25
CN1261933A (zh) 2000-08-02
CA2294799A1 (en) 1999-01-14
ES2175705T5 (es) 2007-06-16
RU2000102362A (ru) 2004-03-20
CZ294692B6 (cs) 2005-02-16
KR100467014B1 (ko) 2005-01-24
KR20010013518A (ko) 2001-02-26
BR9810505A (pt) 2000-09-05
RU2170785C1 (ru) 2001-07-20
CN1092729C (zh) 2002-10-16
DE59803865D1 (de) 2002-05-23
HK1030638A1 (en) 2001-05-11

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