EP0942082B1 - Schussfadenstreck- und -detektiereinrichtung für Düsenwebmaschinen - Google Patents
Schussfadenstreck- und -detektiereinrichtung für Düsenwebmaschinen Download PDFInfo
- Publication number
- EP0942082B1 EP0942082B1 EP99103628A EP99103628A EP0942082B1 EP 0942082 B1 EP0942082 B1 EP 0942082B1 EP 99103628 A EP99103628 A EP 99103628A EP 99103628 A EP99103628 A EP 99103628A EP 0942082 B1 EP0942082 B1 EP 0942082B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weft
- thread
- thread guide
- technical unit
- unit
- 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
Links
Images
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
- D03D47/3066—Control or handling of the weft at or after arrival
- D03D47/308—Stretching or holding the 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
- D03D47/30—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
- D03D47/3073—Detection means therefor
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/34—Weft stop motions
Definitions
- the invention relates to a weft stretching and detection device for Jet looms, the device on the exit side of the weft insertion channel a reed is arranged and together with the reed on the leaf bar of the Loom is mounted.
- EP 0 716 171 A2 discloses a weft stretching and detection device for jet looms in which the weft stretching takes place in a technical unit and in which any long weft or weft breakage is detected and the signal generated is communicated to a weaving machine control system in a signal-transmitting manner.
- the weft thread to be stretched by means of a flowing medium is directed from the weft thread insertion level, which forms the first arrangement level for a weft thread guide channel in the known device, into a weft thread guide channel lying in a second arrangement level, which corresponds to the stretching of the weft thread.
- the weft thread stretching is deactivated, the weft thread is inserted into a weft thread guide channel present in the device downstream of the weft thread insertion channel and, if necessary, stretched by the air flow of an existing nozzle device without deflecting the weft thread.
- the known device has, in addition to its advantage, according to which the position of the weft monitor in the two arrangement levels can be determined in accordance with the elongation behavior of the weft, the disadvantage that each arrangement level requires a weft monitor and that because of the less favorable air flow conditions in comparison to the weft insertion channel of the reed an additional nozzle device (not shown) for stretching the weft thread is necessary on the first arrangement level of the weft thread guide channel.
- the object of the invention is to provide a device for optionally deflecting stretching Detect the weft thread incorrectly entered in the shed of a weaving machine create one over the device known from the prior art has a simpler structure, achieves greater functional reliability and is easier to handle is.
- the weft stretching and detection device consists of a first technical unit, which effects the deflecting stretching of the weft thread, and of a second technical unit, which is relative to the first technical unit on the sheet bar of the weaving machine together with one is arranged displaceably, the weft monitor monitors the arrival of an incorrect weft and notifies a corresponding electrical signal to a weaving machine control unit (not shown).
- the device only requires a weft monitor, that the device dispenses with the central section of the thread guide channel of the known device in the first arrangement level, as a result of which the device according to the invention is lighter in mass, and that, finally, the second technical unit is carried out with only one adjustment process , which has a single weft monitor, the length extension behavior of the weft can be adjusted relatively quickly.
- the omission of the central section of the thread guide channel extending in the first arrangement level does not impair the weft thread flight. Rather, the size of the energy accelerating the weft thread is still sufficient to detect the torn-off weft thread length in the first or second arrangement level of the second technical unit in the event of a weft thread breakage.
- the input is in the first Arrangement level lying weft guide channel biconical. So that will ensures that the weft concerned in the The second technical unit can enter the weft guide channel.
- the weft stretching and detection device does not, as is known from the prior art, consist of a unit in a common unit connected to the sheet bar of the weaving machine with integrated devices for stretching and detecting a weft thread, but according to the invention consists of one first separate technical unit 1a with means 4, 5, 5a and 6, 6a, 6b for stretching a weft 11 correctly inserted into the weft insertion channel 2a of a reed 2 and from a second separate technical unit 1b with means 10 for guiding and detecting an incorrectly in the weft insertion channel 2a of the reed 2 inserted weft 11, both technical units being arranged downstream of the weft insertion channel and the second technical unit 1b being adjustable relative to the first technical unit 1a on the sheet bar 3.
- the weft stretching and detection device 1 can dispense with thread guidance in the first arrangement level between the first technical unit 1a, i.e. the weft stretching device, and the second technical unit, i.e. the weft thread detection device.
- the thread guide 9 lying between the technical unit 1a and the technical unit 1b can, as is known per se, be designed as a telescopic tube. If a thread guide is dispensed with in the first arrangement level between the first technical unit 1a and the second technical unit 1b, the input 7a of the thread guide 7 is biconical in a further embodiment of the invention.
- the only weft monitor 10 monitoring both arrangement levels in the technical unit 1b can be a generally known weft monitor, so that there is no need to go into this in greater detail.
- FIG. 2 shows the separate one held in the sheet bar 3 by means of a clamping piece 3a technical unit 1a with the integrated weft stretching device 5, 5a, 6, 6a shown.
- the second technical unit 1b which is adjustable relative to the first technical unit 1a, is shown in FIG.
- the technical unit 1b is connected to the sheet bar 3 in the same way as the technical unit 1a.
- the biconical design of the entrance 7a of the thread guide 7 is clearly visible here.
- the relative adjustability of the technical unit 1b is indicated in FIG. 1 by means of the double arrow 12.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Ropes Or Cables (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19810129 | 1998-03-09 | ||
DE19810129A DE19810129B4 (de) | 1998-03-09 | 1998-03-09 | Schußfadenstreck- und -detektiereinrichtung für Düsenwebmaschinen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0942082A2 EP0942082A2 (de) | 1999-09-15 |
EP0942082A3 EP0942082A3 (de) | 2001-05-16 |
EP0942082B1 true EP0942082B1 (de) | 2003-12-17 |
Family
ID=7860265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99103628A Expired - Lifetime EP0942082B1 (de) | 1998-03-09 | 1999-02-25 | Schussfadenstreck- und -detektiereinrichtung für Düsenwebmaschinen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0942082B1 (ja) |
JP (1) | JP3007351B1 (ja) |
AT (1) | ATE256775T1 (ja) |
DE (2) | DE19810129B4 (ja) |
ES (1) | ES2212403T3 (ja) |
PT (1) | PT942082E (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006122531A1 (de) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gesellschaft Mbh | Verfahren und vorrichtung zum halten eines nach einem startvorgang einer webmaschine, insbesondere luftdüsenwebmaschine eingetragenen schussfadens |
DE202017100553U1 (de) | 2017-02-02 | 2017-02-20 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Schussfadenstreck- und detektiervorrichtung für Düsenwebmaschinen |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3405962B2 (ja) * | 2000-05-30 | 2003-05-12 | 津田駒工業株式会社 | 分割筬 |
EP1408144A3 (en) * | 2002-10-10 | 2004-12-22 | Tsudakoma Kogyo Kabushiki Kaisha | Weft tension device of a loom |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH649322A5 (de) * | 1981-01-13 | 1985-05-15 | Rueti Te Strake Bv | Duesenwebmaschine. |
DE3810335A1 (de) * | 1988-03-26 | 1989-10-05 | Dornier Gmbh Lindauer | Luftduesenwebmaschine mit schussfadenklemm- und streckeinrichtung |
IT1272667B (it) * | 1993-09-23 | 1997-06-26 | Somet Soc Mec Tessile | Tenditrama pneumatico di sicurezza per talei ad aria, con controllo delle trame rotte. |
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 |
-
1998
- 1998-03-09 DE DE19810129A patent/DE19810129B4/de not_active Expired - Fee Related
-
1999
- 1999-02-25 EP EP99103628A patent/EP0942082B1/de not_active Expired - Lifetime
- 1999-02-25 PT PT99103628T patent/PT942082E/pt unknown
- 1999-02-25 DE DE59908050T patent/DE59908050D1/de not_active Expired - Lifetime
- 1999-02-25 AT AT99103628T patent/ATE256775T1/de not_active IP Right Cessation
- 1999-02-25 ES ES99103628T patent/ES2212403T3/es not_active Expired - Lifetime
- 1999-03-08 JP JP11060719A patent/JP3007351B1/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006122531A1 (de) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gesellschaft Mbh | Verfahren und vorrichtung zum halten eines nach einem startvorgang einer webmaschine, insbesondere luftdüsenwebmaschine eingetragenen schussfadens |
DE202017100553U1 (de) | 2017-02-02 | 2017-02-20 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Schussfadenstreck- und detektiervorrichtung für Düsenwebmaschinen |
Also Published As
Publication number | Publication date |
---|---|
JP2000248447A (ja) | 2000-09-12 |
EP0942082A3 (de) | 2001-05-16 |
ATE256775T1 (de) | 2004-01-15 |
DE59908050D1 (de) | 2004-01-29 |
DE19810129B4 (de) | 2004-08-05 |
EP0942082A2 (de) | 1999-09-15 |
DE19810129A1 (de) | 1999-09-23 |
JP3007351B1 (ja) | 2000-02-07 |
PT942082E (pt) | 2004-04-30 |
ES2212403T3 (es) | 2004-07-16 |
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