EP1046735A1 - Dispositif pour influer sur la tension des fils de lisières de retenue lors du tissage sur métiers à tisser - Google Patents

Dispositif pour influer sur la tension des fils de lisières de retenue lors du tissage sur métiers à tisser Download PDF

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Publication number
EP1046735A1
EP1046735A1 EP00106896A EP00106896A EP1046735A1 EP 1046735 A1 EP1046735 A1 EP 1046735A1 EP 00106896 A EP00106896 A EP 00106896A EP 00106896 A EP00106896 A EP 00106896A EP 1046735 A1 EP1046735 A1 EP 1046735A1
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EP
European Patent Office
Prior art keywords
catch
catch strip
yarns
spool
influencing
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.)
Granted
Application number
EP00106896A
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German (de)
English (en)
Other versions
EP1046735B1 (fr
Inventor
Josef Hehle
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7905269&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1046735(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP1046735A1 publication Critical patent/EP1046735A1/fr
Application granted granted Critical
Publication of EP1046735B1 publication Critical patent/EP1046735B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • D03D47/40—Forming selvedges

Definitions

  • the invention relates to a device for influencing and maintaining one Tension in interlocking yarns that can be rotated by one in a weaving machine Stored safety edge spool when producing a fabric with safety edge formation be deducted according to the features of the preamble of claim 1.
  • a thread brake is known from DE-OS 21 29 817 for keeping the thread tension in the leno threads of a device for forming a selvedge on a fabric constant.
  • the thread brake consists of a bracket around the flange of the leno thread spool at the end of an arm, the other end of which arm is articulated on the rotating disc between support ears.
  • a scanning roller which, under the influence of a tension spring acting on the arm, bears against the thread supply of the leno bobbin.
  • brake means are provided on the bracket, which act on both sides on the flange of the leno bobbin.
  • the disadvantage here is that the braking means act directly on the flange of the leno bobbin, which renders the bobbin itself unusable within a short time. So-called groove-like brake marks occur which, when the leno thread bobbin is rewound during thread take-off, in particular on the yarn side of the bobbin flange, lead to snagging or getting caught and finally to the leno thread tearing.
  • the object of the invention is to provide a device for influencing and maintaining the Tension in interlocking yarns when manufacturing a fabric with temporary to create existing catch strips.
  • the object is achieved by the features of patent claim 1. It is then essential to the invention that the braking means consist of one on which the catch strip coil load-bearing shaft rotatably arranged brake disc, which on the one hand is form-fitting is operatively connected to the safety edge coil, and consist of means that the other hand Brake disc with this while maintaining a braking force F in operative connection stand.
  • the lever arm of the scanning roller is loaded by means of a torsion spring.
  • the one The end of the torsion spring engages e.g. on the machine-fixed support, while the other end with the lever arm of the scanning roller is operatively connected.
  • the solution according to the invention is advantageously used over the entire Winding diameter of the catch strip coil, i.e. starting at the fully wound up to the empty coil, a constant braking force is realized. Tension peaks in the Backing strip yarns are avoided and yarn breaks due to them are avoided Rarity.
  • the catch strip coil is mounted on the axis 2 of a carrier 3 arranged in a machine-fixed manner and rotatable in the direction of the arrow 4.
  • the rotary movement is caused by the tensile force F G generated in the course of the weaving operation to form a so-called catch strip in the catch strip yarns 5.
  • F G the tensile force
  • a so-called wrap brake has proven to be a suitable means.
  • such a wrap brake consists of a brake band 6 encompassing the bobbin of the catch strip coil 1 in the edge region, and a spring element 7 acting on the brake band, which exerts a braking effect on the coil 1 in proportion to the decreasing winding diameter of the coil 1 and, accordingly, one of the Spring constant of the spring element 7 corresponding tensile force realized in the catch strip yarns 5.
  • the spring element 7 and a scanning roller 8 trailing the decreasing winding diameter is attached to lever arms 9a, 9b of an angle lever 9, the pivot point 10 of which lies outside the radius r of the catch strip coil 1 and approximately axially parallel to the axis of the coil 1.
  • the catch strip spool 1 is wound with several catch strip yarns 5 according to FIG.
  • a self-supporting shaft 11 is rotatably mounted in a machine-fixed support 3.
  • a brake disk 12 equipped with a driver 12a arranged on the coil side is connected coaxially with the shaft 11 in a rotationally fixed manner.
  • the catch strip coil 1 has a groove 1a diametrically opposite the catch 12a, into which the catch 12a engages when the catch strip coil 1 is pushed onto the shaft 11.
  • Axially parallel to the shaft 11 and at a fixed distance "x" from the central axis 11a of the shaft 11, an axis 14 is connected to the carrier 3 in a rotationally fixed manner.
  • the axis 14 coaxially receives a sleeve 17 equipped with spaced-apart bearings 15, 16, on which a lever arm 18, 19 is rotatably connected to the sleeve 17 approximately in the region of its free ends.
  • a brake means 20 which is firmly connected to it and which acts on the surface 12b of the brake disc 12 facing away from the catch strip spool 1, influencing the tension of the catch strip yarns 5 is.
  • the braking means 20 consists of precautions, not shown in detail, in the interior of the braking means 20 and a braking body 20a which is acted upon by the braking means 20 and which is in operative connection with the brake disc 12.
  • the catch strip spool 1 is shown here as a spool fully wound with catch strip yarns 5.
  • a thread tensile force F G resulting from the weaving process acts in the catch strip yarns 5 and displaces the catch strip spool 1 in the direction of rotation according to the indicated arrow direction 21.
  • the brake body 20a exerts a braking force F set on the braking means 20, see also FIG. 2, on the brake disc 12.
  • a torsion spring 22 supported on the carrier 3 is operatively connected to the lever arm 18, which has an advantageous effect on the application behavior of the scanning roller 8 to the winding diameter of the catch strip coil 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP00106896A 1999-04-21 2000-03-31 Dispositif pour influer sur la tension des fils de lisières de retenue lors du tissage sur métiers à tisser Revoked EP1046735B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917952A DE19917952A1 (de) 1999-04-21 1999-04-21 Einrichtung zur Beeinflussung der Zugspannung in Fangleistengarnen beim Weben auf Webmaschinen
DE19917952 1999-04-21

Publications (2)

Publication Number Publication Date
EP1046735A1 true EP1046735A1 (fr) 2000-10-25
EP1046735B1 EP1046735B1 (fr) 2002-06-05

Family

ID=7905269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00106896A Revoked EP1046735B1 (fr) 1999-04-21 2000-03-31 Dispositif pour influer sur la tension des fils de lisières de retenue lors du tissage sur métiers à tisser

Country Status (7)

Country Link
US (1) US6240974B1 (fr)
EP (1) EP1046735B1 (fr)
JP (1) JP2000314050A (fr)
AT (1) ATE218634T1 (fr)
DE (2) DE19917952A1 (fr)
ES (1) ES2177489T3 (fr)
PT (1) PT1046735E (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102658990A (zh) * 2012-05-17 2012-09-12 宁波碧彩实业有限公司 自动张力调节机构
CN103950782A (zh) * 2014-04-25 2014-07-30 蚌埠市天网渔需用品有限公司 一种渔线绕线辊的定位装置
CN105819276A (zh) * 2016-05-23 2016-08-03 迈特诺（马鞍山）特种电缆有限公司 一种合并电缆芯丝设备用张力平衡调节装置及其使用方法
CN105845284A (zh) * 2016-05-23 2016-08-10 迈特诺（马鞍山）特种电缆有限公司 一种合并电缆芯丝的装置及方法
CN110668250A (zh) * 2019-10-28 2020-01-10 保定天威线材制造有限公司 一种恒张力放线刹车装置及其使用方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954139A1 (de) * 1999-11-11 2001-06-07 Dornier Gmbh Lindauer Verfahren und Vorrichtung zur Überwachung des Abziehens von Fangleisten auf Webmaschinen
US6467511B2 (en) * 2000-07-06 2002-10-22 Miliken & Company Selvage yarn tensioning apparatus and method
DE10132506A1 (de) 2001-07-05 2003-01-23 Wacker Polymer Systems Gmbh Lösungsmittelfrei herstellbare Beschichtungsmittel für verschmutzungsresistente Beschichtungen
US6651408B1 (en) * 2002-07-19 2003-11-25 New Holland North America, Inc. Adjustable force net brake mechanism and wrapping material dispensing assembly
DE10302730A1 (de) * 2003-01-23 2004-08-12 Klöcker-Entwicklungs-Gmbh Vorrichtung zur Regulierung der Fadenspannung eines von einer Garnspule einer Garnspulenhalterung abgezogenen Fadens für eine Dreherkanteneinrichtung
CN102776667A (zh) * 2012-07-23 2012-11-14 青岛三祥机械制造有限公司 喷水织机经轴制动装置
GB2571563B (en) * 2018-03-01 2023-01-04 Dewhurst James Ltd Woven textile and associated method of manufacture
CN111792437A (zh) * 2020-06-23 2020-10-20 雅化集团旺苍化工有限公司 一种乳化炸药包装打卡机的机架
CN114701925B (zh) * 2022-05-18 2024-06-07 陕西欣欣智能管业有限公司 一种管材缠绕机用张力器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129817A1 (de) * 1970-06-19 1971-12-23 Machf L Te Strake Nv Vorrichtung zur Bildung einer Webekante an einem Gewebe
DE2421748A1 (de) * 1973-05-07 1974-11-28 Zbrojovka Vsetin Np Anrodnung zum ausgleichen der spannung von zwei zugefuehrten faeden
CH610604A5 (en) * 1976-09-14 1979-04-30 Artextil Sa Device for compensating for the tensions produced in the selvedges of cloths with worked-in ends

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US631430A (en) * 1896-10-17 1899-08-22 Charles F Perham Let-off mechanism for looms.
US4485849A (en) * 1982-06-14 1984-12-04 Franks Bobby L Loom beam let off

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129817A1 (de) * 1970-06-19 1971-12-23 Machf L Te Strake Nv Vorrichtung zur Bildung einer Webekante an einem Gewebe
DE2421748A1 (de) * 1973-05-07 1974-11-28 Zbrojovka Vsetin Np Anrodnung zum ausgleichen der spannung von zwei zugefuehrten faeden
CH610604A5 (en) * 1976-09-14 1979-04-30 Artextil Sa Device for compensating for the tensions produced in the selvedges of cloths with worked-in ends

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102658990A (zh) * 2012-05-17 2012-09-12 宁波碧彩实业有限公司 自动张力调节机构
CN103950782A (zh) * 2014-04-25 2014-07-30 蚌埠市天网渔需用品有限公司 一种渔线绕线辊的定位装置
CN105819276A (zh) * 2016-05-23 2016-08-03 迈特诺（马鞍山）特种电缆有限公司 一种合并电缆芯丝设备用张力平衡调节装置及其使用方法
CN105845284A (zh) * 2016-05-23 2016-08-10 迈特诺（马鞍山）特种电缆有限公司 一种合并电缆芯丝的装置及方法
CN110668250A (zh) * 2019-10-28 2020-01-10 保定天威线材制造有限公司 一种恒张力放线刹车装置及其使用方法

Also Published As

Publication number Publication date
DE19917952A1 (de) 2000-10-26
US6240974B1 (en) 2001-06-05
DE50000195D1 (de) 2002-07-11
JP2000314050A (ja) 2000-11-14
ES2177489T3 (es) 2002-12-16
ATE218634T1 (de) 2002-06-15
EP1046735B1 (fr) 2002-06-05
PT1046735E (pt) 2002-11-29

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