WO2004083508A1 - Webmaschine, insbesondere bandwebmaschine - Google Patents
Webmaschine, insbesondere bandwebmaschine Download PDFInfo
- Publication number
- WO2004083508A1 WO2004083508A1 PCT/CH2004/000132 CH2004000132W WO2004083508A1 WO 2004083508 A1 WO2004083508 A1 WO 2004083508A1 CH 2004000132 W CH2004000132 W CH 2004000132W WO 2004083508 A1 WO2004083508 A1 WO 2004083508A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- web
- weaving machine
- fabric
- weaving
- backstop
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/22—Back rests; Lease rods; Brest beams
Definitions
- the invention relates to a weaving machine, in particular a ribbon loom according to the preamble of claim 1.
- a weaving machine of the type mentioned at the outset is, for example, from GB 316
- a freewheel device is arranged on the goods take-off. This can prevent the web from slipping back on the goods take-off, but not the so-called pre-weaving.
- the stable position of the warp and weft threads in the fabric does not appear immediately when the last weft thread hits the stop edge, but only a few shots later.
- the last weft inserted moves away from the stable fabric zone after it was closest to the stable zone at the weft stop.
- the last weft thread entered in the stable zone also moves in one direction due to the elasticity of the warp and fabric when the weft is fired and in the other direction after the weft has been fired.
- the total displacement of the weft thread is visible as a movement of the fabric edge and is referred to as a pre-cloth or pre-weaving.
- the pre-weaving is larger in the case of dense fabrics than in the case of slightly adjusted fabrics, since dense fabrics require a greater weft velocity.
- this pre-weaving also depends on the distance of the fabric take-off to the stop edge, since the greater the distance, the elasticity of the woven fabric web has a strong effect on the size of the pre-weaving. This makes it difficult to produce dense fabrics.
- the object of the invention is to improve a weaving machine, in particular a ribbon weaving machine, in such a way that pre-weaving is reduced and a denser fabric can be produced.
- the object is achieved according to the invention by the characterizing features of claim 1. Because the free-wheeling device is assigned to the stop edge, it becomes effective directly on the stop edge and, although it enables the take-off path, blocks a resetting of the web in the opposite direction, which makes it possible Reduce pre-weaving and create a denser fabric.
- the freewheel device can be designed in a very wide variety.
- the freewheel device has a deflection roller with a backstop.
- this freewheel device can be assigned a second deflecting roller, preferably upstream, in order to improve the guidance of the material web around the first deflection roller and to prevent the material web from slipping.
- the second deflecting roller is expediently also provided with a backstop.
- the embodiment according to claim 5 is particularly expedient, according to which the deflection roller provided with the backstop has a noise-inhibiting surface which at least makes it difficult for the web of material to slip.
- the freewheel device is preferably assigned to a goods holder or a spreader, which is arranged after the stop edge.
- the freewheel device can be suitable for weaving machines for the production of wide webs, it unfolds its advantageous effect particularly in the case of belt looms for the production of narrow webs such as tapes, in which the pre-weaving is particularly pronounced and therefore the production of dense webs is difficult.
- the weaving machine shown schematically in the figure which is preferably a ribbon loom, has a shedding device 2, in which warp threads 6 controlled by strands 4 are opened to form a shed 8.
- a weft insertion device not shown, carries a weft thread 10 into the shed 8.
- the weft thread 10 is attached by means of a reed 12 to the stop edge 14 of a web 16 to be produced.
- the web 16 is deducted from a goods take-off 18.
- the weaving machine has at least one freewheel device 20, over which the web 16 is guided and which clears the take-off path and blocks a reset of the web in the opposite direction.
- This freewheel device is mounted on both sides of the web on frame parts 21 and is arranged as close as possible to the stop edge 14.
- the weaving machine has a goods holder 22 which is arranged near the stop edge 14 and to which the freewheel device 20 is arranged.
- the freewheel device 20 contains a first deflecting roller 24, which is provided with a backstop 26.
- This first deflecting roller 24 is assigned a second deflecting roller 28, which is arranged between the goods holder 22 and the first deflecting roller 24 and over which the material web 16 is guided in a meandering manner in order to improve the wrapping of the material web on the first deflection roller 24 and to prevent slipping.
- the surface 30 of the first deflecting roller 24 is designed to be non-slip.
- the surface can be roughened or provided with an anti-slip covering.
- the second deflecting roller 28 is also equipped with a backstop.
- Backstops are in large numbers knows, for example as a ratchet lock, freewheel or overrunning clutches, clamp direction lock or the like.
- the backstop 26 is preferably designed as a pinch roller freewheel and preferably has pinch rollers 32 which. interact in known manner with clamping ramps, not shown, on the inside of the sleeve 34 of the deflection roller 24.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502004001418T DE502004001418D1 (de) | 2003-03-21 | 2004-03-05 | Webmaschine, insbesondere bandwebmaschine |
EP04717538A EP1606442B1 (de) | 2003-03-21 | 2004-03-05 | Webmaschine, insbesondere bandwebmaschine |
HK06106480.8A HK1086603A1 (en) | 2003-03-21 | 2006-06-07 | Weaving machine, particularly a ribbon weaving machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4772003 | 2003-03-21 | ||
CH477/03 | 2003-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004083508A1 true WO2004083508A1 (de) | 2004-09-30 |
Family
ID=32996988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2004/000132 WO2004083508A1 (de) | 2003-03-21 | 2004-03-05 | Webmaschine, insbesondere bandwebmaschine |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1606442B1 (de) |
CN (1) | CN100572629C (de) |
AT (1) | ATE338839T1 (de) |
DE (1) | DE502004001418D1 (de) |
HK (1) | HK1086603A1 (de) |
RU (1) | RU2337188C2 (de) |
WO (1) | WO2004083508A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101285233B (zh) * | 2008-05-12 | 2010-06-02 | 宁波萌恒工贸有限公司 | 一种用于编织波浪带的锭织机 |
EP2180092B1 (de) * | 2008-10-24 | 2012-11-21 | Groz-Beckert KG | Breithalter mit Klemm- und Lüftvorrichtung |
CN111519319B (zh) * | 2020-04-30 | 2021-04-30 | 江南大学 | 一种辅助高性能织物织造纬纱引入装置、织机及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US24306A (en) * | 1859-06-07 | Loom-temple | ||
GB316400A (en) * | 1928-06-29 | 1929-08-01 | George Woodhead | Improvements appertaining to the taking-up of the woven fabrics in looms |
US3446250A (en) * | 1966-05-27 | 1969-05-27 | Sulzer Ag | Temple for looms |
US3961650A (en) * | 1973-01-22 | 1976-06-08 | Ruthard Marowsky | Weaving method and machine |
DE19713357A1 (de) * | 1996-12-23 | 1998-06-25 | Cramer Anton Gmbh Co Kg | Stabbreithalter für eine Webmaschine |
-
2004
- 2004-03-05 RU RU2005132388/12A patent/RU2337188C2/ru active
- 2004-03-05 DE DE502004001418T patent/DE502004001418D1/de not_active Expired - Lifetime
- 2004-03-05 EP EP04717538A patent/EP1606442B1/de not_active Expired - Lifetime
- 2004-03-05 CN CNB2004800071069A patent/CN100572629C/zh not_active Expired - Fee Related
- 2004-03-05 AT AT04717538T patent/ATE338839T1/de not_active IP Right Cessation
- 2004-03-05 WO PCT/CH2004/000132 patent/WO2004083508A1/de active IP Right Grant
-
2006
- 2006-06-07 HK HK06106480.8A patent/HK1086603A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US24306A (en) * | 1859-06-07 | Loom-temple | ||
GB316400A (en) * | 1928-06-29 | 1929-08-01 | George Woodhead | Improvements appertaining to the taking-up of the woven fabrics in looms |
US3446250A (en) * | 1966-05-27 | 1969-05-27 | Sulzer Ag | Temple for looms |
US3961650A (en) * | 1973-01-22 | 1976-06-08 | Ruthard Marowsky | Weaving method and machine |
DE19713357A1 (de) * | 1996-12-23 | 1998-06-25 | Cramer Anton Gmbh Co Kg | Stabbreithalter für eine Webmaschine |
Also Published As
Publication number | Publication date |
---|---|
RU2005132388A (ru) | 2007-04-27 |
DE502004001418D1 (de) | 2006-10-19 |
CN100572629C (zh) | 2009-12-23 |
RU2337188C2 (ru) | 2008-10-27 |
HK1086603A1 (en) | 2006-09-22 |
EP1606442A1 (de) | 2005-12-21 |
EP1606442B1 (de) | 2006-09-06 |
CN1764748A (zh) | 2006-04-26 |
ATE338839T1 (de) | 2006-09-15 |
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