WO2014180880A1 - Method for producing a woven fabric - Google Patents
Method for producing a woven fabric Download PDFInfo
- Publication number
- WO2014180880A1 WO2014180880A1 PCT/EP2014/059296 EP2014059296W WO2014180880A1 WO 2014180880 A1 WO2014180880 A1 WO 2014180880A1 EP 2014059296 W EP2014059296 W EP 2014059296W WO 2014180880 A1 WO2014180880 A1 WO 2014180880A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fabric
- weft
- angle
- warp threads
- weft thread
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/002—With diagonal warps or wefts
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
Definitions
- the invention relates to a method for producing a fabric, wherein in each case a weaving step by means of warp threads a shed is formed, in which a weft thread is introduced and the weft thread is pushed by means of a reed in the direction of a fabric edge.
- Prestressed warp threads form a carrier in which successive weft threads are drawn from one edge of the fabric to the other through an entire weaving width, which is formed by means of the warp threads.
- weaving fabrics such. As carpets, wallpaper, composite, rubber auxiliary fabric and other technical textiles, can be produced.
- Weaving machines are generally used for the industrial production of fabrics. The warp threads are guided from a rear side of the weaving machine to the front, wherein the weft threads are entered from one side to the other between the warp threads, the so-called shed. In a finished fabric, the warp threads are held together by means of the weft threads.
- the US 1,280,461 AI describes an apparatus for producing a fabric with warp threads, which form a shed, and weft threads which are introduced by means of a weft insertion device in the shed. Furthermore, a reed for stopping the weft threads in the direction of a fabric edge is provided.
- the weft insertion device is designed such that an angle for insertion of the weft thread and for striking it in a range of approximately 45 ° is adjustable. For this purpose, a guided in oblong holes screw is provided.
- the invention has for its object to provide a comparison with the prior art improved method for producing a tissue and such a tissue.
- a method for producing a fabric provides that in each case a weaving step by means of warp threads a shed is formed, in which a weft thread is entered and the weft thread is pushed by means of a reed in the direction of a fabric edge. It is by means of a
- the angle of the weft thread to be introduced in relation to the warp threads is adjusted between 40 ° and 90 ° by means of an adjusting unit, wherein the weft insertion means is positioned by means of an electric drive via a gear with respect to the predetermined angle.
- the weft threads are woven according to this angle in the tissue.
- the weft threads form a reinforcement of the fabric and not the warp threads.
- the weft insertion device is positioned by means of a rotary plate on which the weft insertion device can be arranged, and by means of a ring gear.
- a scale can be provided by means of which the angle set in each case is displayed.
- an angle for striking the weft thread to the fabric edge in relation to the warp thread is also set variably.
- the weft thread is thus not only introduced according to the set angle in the shed, but also struck at this angle to the fabric edge of the fabric, whereby the fabric is particularly advantageously formed homogeneous.
- the adjustment unit is automatically shifted in the direction of the warp threads as a function of a length of the fabric, so that the
- a stop movement of the reed to the fabric edge is preferably generated by means of at least one cylinder-piston unit of the adjustment, so that the respective weft yarn is struck exactly on the fabric edge, regardless of the setting of the angle, whereby the fabric is formed uniformly.
- the at least one cylinder-piston unit is pneumatically actuated, whereby a piston for generating the stop movement is moved by means of compressed air from a cylinder of the cylinder-piston unit.
- the weft insertion device is displaced in the direction of the warp threads as a function of a length of the fabric, whereby the respective weft thread is optimally inserted into the shed.
- the weft insertion device in this embodiment is coupled to the adjustment unit, so that both the weft insertion device and the adjustment unit can be displaced and optimally positioned depending on the length of the tissue.
- the weft insertion device and / or the adjustment unit are or will be controlled by means of a control unit.
- an automatic positioning of the adjustment unit relative to the fabric edge is performed on the basis of detected signals of a detection unit.
- the detection unit is preferably connected to the control unit, see above that the positioning of the adjusting unit based on detected signals of the
- Detection unit can be performed automatically.
- the invention relates to a fabric which is produced by the method described above.
- the weft threads are introduced into the fabric such that they extend at an angle between 40 ° and 90 ° to the warp threads.
- the weft threads form a reinforcement of the fabric and not, as is known in the art, the warp threads.
- Figure 1 shows schematically an adjustment of a device for
- Figure 2 schematically shows a plan view of the device for
- FIG. 1 shows an adjusting unit 1 of a detail shown in FIG.
- Weaving machines for producing fabrics 3, which are formed from warp yarns 3.2 and weft yarns 3.1, are known from the prior art.
- the warp threads 3.2 are stretched and fixed to the loom, wherein by means of the warp threads 3.2 in each case a weaving step, a shed is formed, in which a weft 3.1 is introduced and guided by a fabric edge to the opposite edge of the fabric.
- the weft threads 3.1 extend at right angles to the warp threads 3.2, which form a reinforcement of the fabric 3.
- Such exported fabric 3 are diagonally cut in the rubber industry with a predetermined angle and then tailored as parallelograms fabric layers are then joined together, in particular by gluing. As a result, unwanted joints and / or bumps may arise, for example by means of such assembled fabric layers tires and tubes are made.
- the weft threads 3.1 are introduced into the shed at a predetermined angle between 40 ° and 90 ° to the warp threads 3.2.
- the weft thread 3.1 introduced in each case with the predetermined angle also hits the fabric edge of the fabric 3 at this angle by means of a reed 4.
- the device 2 for producing a fabric 3 has a weft insertion device 4, shown in greater detail in FIG. 2, which is connected to the adjustment unit 1.
- the adjusting unit 1 is arranged above the warp threads 3.2 and has two cylinder-piston units 6, wherein in each case a cylinder-piston unit 6 is coupled to one end 5.1 of the reed 5.
- a piston 6.1 is coupled to the reed 5, wherein the cylinders 6.2 are attached to a retaining element not shown in detail.
- a threaded rod for adjusting the position of the two cylinder-piston units 6 arranged to each other.
- the cylinder-piston units 6 are pneumatically, so by means of compressed air, operable.
- the cylinder-piston unit 6 may also be actuated hydraulically, by a motor and / or in any other suitable manner.
- an angle of the reed 5 with respect to the warp threads 3.2 is adjustable, so that the respective registered in the shed weft 3.1 by means of the reed 5 this angle corresponding to the Fabric edge is struck.
- an angle between 40 ° and 90 ° is adjustable, so that the weft threads 3.1 are einwebbar obliquely into the fabric 3.
- the reed 5 is moved by means of the adjustment unit 1 such that the respective weft thread 3.1 is struck securely regardless of the set angle to the fabric edge.
- the pistons 6. 1 can be moved out of the cylinder 6. 2 and retracted, whereby the reed 5 exerts a forward and backward movement and strikes the weft thread 3.1 introduced in the respective weaving step against the fabric edge to form the fabric 3.
- the back and forth movement of the reed 5 is carried out in the direction of the course of the warp threads 3.2, so that the warp threads 3.2 are guided linearly.
- a travel path of the piston 6.1 for striking the weft threads 3.1 is for example between 7 cm and 10 cm, so that the respective piston 6.1 between 7 cm and 10 cm from the cylinder 6.2 can be moved out.
- the two cylinder-piston units 6 are signals of a not shown Detection unit, in particular a proximity switch, which may be arranged on a secondary shaft of the device 2, driven.
- the holding element to which the cylinders 6.2 of the cylinder-piston units 6 are fastened, is arranged displaceably on the device 2, so that the adjusting unit 1 can be positioned corresponding to the length of the fabric 3.
- the adjustment unit 1 is connected to a control unit, not shown, and is controlled by means of this, so that the positioning of the adjustment unit 1 takes place automatically.
- the reed 5 is connected to a so-called sley, which is part of the weft insertion device 4, as shown in FIG.
- the weft insertion device 4 is designed as a so-called gripper device.
- the gripper device has a donor gripping element 4.1 and a slave gripping element 4.2.
- the weft 3.1 is fixed to the entry in the shed and is guided by means of the encoder-gripping element 4.1 to the middle of the shed. There, a transfer of the weft thread 3.1 to the slave gripper element 4.2, by means of which the weft thread 3.1 to the fabric edge is feasible.
- the sley and the reed 5 are formed as a component and positioned by means of the adjusting unit 1 at a predetermined angle between 40 ° and 90 ° to the warp threads 3.2. As a result, the weft 3.1 is entered at this angle in the shed and posted by means of the reed 5 to the fabric edge.
- the weft insertion device 4 can be positioned by means of an electric drive via a gear with respect to the predetermined angle, wherein the weft insertion device 4 and the adjustment unit 1 can be arranged on a rotary plate, which is coupled to a ring gear to the set the appropriate angle.
- a scale is provided, by means of which the respective currently set angle can be displayed.
- the embodiment of the device 2 for producing the fabric 3 shown in FIG. 2 comprises a warp thread system 7, the weft insertion device 4, on which a warp thread lifting device 8 is arranged, a fabric take-up 9, a goods stand 10 and a winding device 11 for winding up the finished fabric 3, wherein the cylinder-piston units 6 and the reed 5 are not shown.
- the warp threads 3.2 are provided stretched for the weaving process, wherein the warp threads 3.2 extend over a predetermined portion of the device 2.
- the weft insertion device 4 is controlled by the control unit and automatically positioned as a function of the length of the fabric 3.
- the weft insertion device 4 has the warp thread lifting device 8 by means of which a predetermined number of warp threads 3.2 can be raised to form the shed for inserting a weft thread 3.1.
- the shed extends, as well as the weft insertion device 4 obliquely to the warp threads 3.2.
- the Schussfadeneintragvornchtung 4 is coupled to the adjustment unit 1, not shown, wherein the adjusting unit 1 is arranged parallel to the Schussfadeneintragvornchtung 4.
- the finished fabric 3 is removed from the device 2 and can be supplied via the goods level 10 of the winding device 11 for winding up the fabric 3.
- the warp thread 7 and the fabric take-off 9 are firmly positioned and communication technology with each other connected, so that it is possible to weave the fabric 3 with a predetermined weft yarn density and warp tension.
- the winding device 11 may, for example, be designed as a vertical winder or as a center winder, wherein the winder 10 is arranged parallel to the fabric take-off 9.
- the weft insertion device 4 To adjust the angle at which the weft threads 3.1 are introduced with respect to the warp threads 3.2 in the shed and struck on the fabric edge, the weft insertion device 4 with the
- the adjustment of the angle is preferably carried out automatically by means of the control unit.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Woven Fabrics (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/888,922 US20160083875A1 (en) | 2013-05-08 | 2014-05-07 | Method for producing a woven fabric |
CN201480024746.4A CN105247123A (en) | 2013-05-08 | 2014-05-07 | Method for producing woven fabric |
BR112015027766A BR112015027766A2 (en) | 2013-05-08 | 2014-05-07 | PROCESS FOR THE PRODUCTION OF A FABRIC BY MEANS OF A DEVICE, AND, FABRIC |
EP14722657.5A EP2994562B1 (en) | 2013-05-08 | 2014-05-07 | Method for producing a woven fabric |
MX2015015440A MX2015015440A (en) | 2013-05-08 | 2014-05-07 | Method for producing a woven fabric. |
HK16101909.0A HK1213957A1 (en) | 2013-05-08 | 2016-02-19 | Method for producing a woven fabric |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013208452.8 | 2013-05-08 | ||
DE102013208452.8A DE102013208452A1 (en) | 2013-05-08 | 2013-05-08 | Method for producing a fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014180880A1 true WO2014180880A1 (en) | 2014-11-13 |
Family
ID=50685918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/059296 WO2014180880A1 (en) | 2013-05-08 | 2014-05-07 | Method for producing a woven fabric |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160083875A1 (en) |
EP (1) | EP2994562B1 (en) |
CN (1) | CN105247123A (en) |
BR (1) | BR112015027766A2 (en) |
DE (1) | DE102013208452A1 (en) |
HK (1) | HK1213957A1 (en) |
MX (1) | MX2015015440A (en) |
WO (1) | WO2014180880A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105887288B (en) * | 2016-05-12 | 2017-12-08 | 中材科技股份有限公司 | A kind of tencel layer links structure preform |
EP3722470A1 (en) * | 2019-04-10 | 2020-10-14 | Textilma AG | Method for pattern-controlled forming of the connection point of an effect thread in tissue |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US811597A (en) * | 1905-06-09 | 1906-02-06 | Francisque Voland | Loom. |
US1280461A (en) * | 1918-03-15 | 1918-10-01 | Cyrus Hoyt Heilig | Loom. |
FR2499107A1 (en) * | 1981-02-02 | 1982-08-06 | Brunon Anc Tissages Andre | Woven double ribbon with single selvedge - has weft laid on bias |
JP2000110048A (en) * | 1999-08-06 | 2000-04-18 | Fukui Prefecture | Opened yarn woven fabric |
EP1600537A1 (en) * | 2004-05-27 | 2005-11-30 | Luigi Omodeo Zorini | Needle loom |
JP2006138037A (en) * | 2004-11-12 | 2006-06-01 | New Industry Research Organization | Beating device |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US212120A (en) * | 1879-02-11 | Improvement in expansible weaverss reeds | ||
US1208461A (en) * | 1916-04-26 | 1916-12-12 | Francois Blanc | Classifying apparatus for coal, ores, and other materials. |
US2113492A (en) * | 1935-04-03 | 1938-04-05 | Ch Philippe & Cie Soc | Means for the manufacture of fabrics with bias weft |
US3132671A (en) * | 1956-11-20 | 1964-05-12 | Raymond Dev Ind Inc | Methods of and apparatus for weaving shaped fabrics and articles woven thereby |
NL6606476A (en) * | 1966-05-12 | 1967-11-13 | ||
WO1984000351A1 (en) * | 1982-07-19 | 1984-02-02 | Boeing Co | Method and apparatus for fiber lamination |
DE3931066A1 (en) * | 1989-09-13 | 1991-03-21 | Norddeutsche Faserwerke Gmbh | EDGE CONTROL DEVICE |
JPH04100955A (en) * | 1990-08-08 | 1992-04-02 | Nippon Oil Co Ltd | Beater for thick woven fabric |
US5465762A (en) * | 1994-06-10 | 1995-11-14 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Adjustable reed for weaving net-shaped tailored fabrics |
ATE231570T1 (en) * | 1997-05-11 | 2003-02-15 | Alexander Buesgen | FABRIC WITH VARIABLE WIDTH |
CN1273666C (en) * | 2002-04-10 | 2006-09-06 | 葛荣德 | Curved-warp shuttle weaving method and its fabric product |
KR200444432Y1 (en) * | 2008-07-22 | 2009-05-14 | (주)벨텍코리아 | Air jet loom for weaving bias fabric |
-
2013
- 2013-05-08 DE DE102013208452.8A patent/DE102013208452A1/en not_active Withdrawn
-
2014
- 2014-05-07 EP EP14722657.5A patent/EP2994562B1/en active Active
- 2014-05-07 US US14/888,922 patent/US20160083875A1/en not_active Abandoned
- 2014-05-07 BR BR112015027766A patent/BR112015027766A2/en not_active IP Right Cessation
- 2014-05-07 CN CN201480024746.4A patent/CN105247123A/en active Pending
- 2014-05-07 WO PCT/EP2014/059296 patent/WO2014180880A1/en active Application Filing
- 2014-05-07 MX MX2015015440A patent/MX2015015440A/en unknown
-
2016
- 2016-02-19 HK HK16101909.0A patent/HK1213957A1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US811597A (en) * | 1905-06-09 | 1906-02-06 | Francisque Voland | Loom. |
US1280461A (en) * | 1918-03-15 | 1918-10-01 | Cyrus Hoyt Heilig | Loom. |
FR2499107A1 (en) * | 1981-02-02 | 1982-08-06 | Brunon Anc Tissages Andre | Woven double ribbon with single selvedge - has weft laid on bias |
JP2000110048A (en) * | 1999-08-06 | 2000-04-18 | Fukui Prefecture | Opened yarn woven fabric |
EP1600537A1 (en) * | 2004-05-27 | 2005-11-30 | Luigi Omodeo Zorini | Needle loom |
JP2006138037A (en) * | 2004-11-12 | 2006-06-01 | New Industry Research Organization | Beating device |
Also Published As
Publication number | Publication date |
---|---|
MX2015015440A (en) | 2016-08-03 |
HK1213957A1 (en) | 2016-07-15 |
DE102013208452A1 (en) | 2014-11-13 |
US20160083875A1 (en) | 2016-03-24 |
EP2994562B1 (en) | 2018-03-21 |
BR112015027766A2 (en) | 2017-08-29 |
EP2994562A1 (en) | 2016-03-16 |
CN105247123A (en) | 2016-01-13 |
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