EP0255165A1 - Schussfadenrichtgerät - Google Patents

Schussfadenrichtgerät Download PDF

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Publication number
EP0255165A1
EP0255165A1 EP87201317A EP87201317A EP0255165A1 EP 0255165 A1 EP0255165 A1 EP 0255165A1 EP 87201317 A EP87201317 A EP 87201317A EP 87201317 A EP87201317 A EP 87201317A EP 0255165 A1 EP0255165 A1 EP 0255165A1
Authority
EP
European Patent Office
Prior art keywords
chains
cloth
weft straightening
straightening equipment
wefts
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
EP87201317A
Other languages
English (en)
French (fr)
Other versions
EP0255165B1 (de
Inventor
Mario Bianco
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.)
Individual
Original Assignee
Individual
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=11304002&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0255165(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT87201317T priority Critical patent/ATE69625T1/de
Publication of EP0255165A1 publication Critical patent/EP0255165A1/de
Application granted granted Critical
Publication of EP0255165B1 publication Critical patent/EP0255165B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H3/00—Inspecting textile materials
    • D06H3/12—Detecting or automatically correcting errors in the position of weft threads in woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus

Definitions

  • the invention provides a weft straightening equipment, characterized in comprising a substantially plane line of advancement and lateral support of the cloth, formed by chains mounted side by side, made to rotate by motor means, and provided on their periphery with hooking pins serving to hook the edges of the cloth which advances between the chains; reading means for reading the orientation and the position of the wefts of the cloth, installed downstream said chains and connected to variator means intended to vary the relative speed of the chains as a function of and all along the entire duration of the deviation of the position of the cloth wefts from preset theoretical values.
  • the cloth 10 passes between a series of transmission cylinders 11 and 12 and a series of curved cylinders 13 and 14 which start to straighten the wefts of the cloth in a known manner.
  • the cloth passes through an edge-marking photoelectric cell 15, beyond which there are disposed two chains 16 mounted on rollers 17 and provided in their upper portion with pins 18 which grasp and retain the cloth along its lateral edges.
  • an idle or motorized roller 19 Disposed beyond the chains 16 is an idle or motorized roller 19 followed by a of reading heads 20 which read the orientation of the wefts of the cloth.
  • the chains 16 are rigidly connected, laterally, to outer shoulders 21 pivoted on the fixed structure 9 at 22 along vertical axes.
  • front rollers 17 of the chains 16 are rigidly connected to pinions 23 which receive the movement from res, ective metors 24
  • the front rollers are rigidly connected also to gears (not shown) which mesh with a screw 25 made to rotate by a motor 26, thus allowing to move away from and to approximate to one another the ends of the chains 16 pivoted at 22.
  • the chains 16 will be adjusted at the entry of the cloth, i.e. in the rear portion, such as to make them converge at the inlet of the cloth, so that the cloth enters the equipment only slightly widened by the cylinders 13 and 14, upstream, but is progressively widened during the advancement between the diverging chains 16, in a condition retained along the edges by the pins 18.
  • the widening in addition to allowing the cloth to arrive in a well stretched condition to the successive stations, allows to put better in evidence the position and the orientation of the wefts when the cloth reaches to reading heads 20.
  • the heads 20 act also onto the curved rollers 13 and 14, by making them rotate in order to make up also the remaining anomalies of the cloth, in addition to the horizontal orientation of its wefts.
  • the operator Prior to the start of the machine, the operator will have adjusted the convergency-divergency of the chains up to maximum values a (see Fig. 3) variable depending on the type of cloth and equipment. During this initial adjustment the chains 16 rotate on the pivots 21, near the heads 20, thus optimizing the desired convergent-divergent effect.
  • the edge-indicating photoelectric cells have the task of displacing the edge-indicating assemblies 29 so as to vary the convergency-divergency angle a of the chains in such a manner that though varying the position or the width of the cloth which is dragged, the edges of this latter will always be well gripped by the pins 18 of the chains, otherwise it would not be possible to straighten the wefts of the advancing cloth; in the sections where it is well retained in a stretched condition between the chains 16.
  • the cloth 10 which during the advancement is also pressed by a brush assembly 30,after the straightening of its wefts, carried out as described hereinabove, comes out from the equipment, guided between the rollers 31, to continue its travel towards successive stations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Looms (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Treatment Of Fiber Materials (AREA)
EP87201317A 1986-08-01 1987-07-11 Schussfadenrichtgerät Expired EP0255165B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87201317T ATE69625T1 (de) 1986-08-01 1987-07-11 Schussfadenrichtgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT67626/86A IT1195118B (it) 1986-08-01 1986-08-01 Raddrizzatrame
IT6762686 1986-08-01

Publications (2)

Publication Number Publication Date
EP0255165A1 true EP0255165A1 (de) 1988-02-03
EP0255165B1 EP0255165B1 (de) 1991-11-21

Family

ID=11304002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87201317A Expired EP0255165B1 (de) 1986-08-01 1987-07-11 Schussfadenrichtgerät

Country Status (4)

Country Link
EP (1) EP0255165B1 (de)
AT (1) ATE69625T1 (de)
DE (1) DE3774634D1 (de)
IT (1) IT1195118B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926550A (zh) * 2020-08-24 2020-11-13 常州市宏大电气有限公司 一种矫正组件、矫正装置及矫正方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140893B (de) * 1960-12-17 1962-12-13 Intron Leipzig Werk Fuer Ind E Verfahren und Schaltungsanordnung zur Gewinnung von Stellwerten zwecks Korrektur beliebigen Schussfaden-verzuges an Gewebebahnen
DE1150041B (de) * 1961-01-10 1963-06-12 Intron Leipzig Veb Verfahren zur Ansteuerung der Stellglieder eines Schussfadenrichtgeraetes
US3193688A (en) * 1960-12-22 1965-07-06 American Cloth Strait Company Photosensitive weft straightener and alignment detector
FR1461597A (fr) * 1965-10-26 1966-02-25 Amdes Perfectionnements apportés aux installations pour le traitement de produits en bande
US3402443A (en) * 1966-05-09 1968-09-24 Coltron Ind Cloth straightening apparatus
US3751774A (en) * 1969-11-06 1973-08-14 Mount Hope Machinery Ltd Apparatus for correcting weft distortions in woven webs
GB2036306A (en) * 1978-11-23 1980-06-25 Mahlo Gmbh & Co Kg Apparatus for measuring the position of weft thread in a moving fabric web
GB2062040A (en) * 1979-10-01 1981-05-20 Toyo Machinery Co Tenter apparatus
GB2134492A (en) * 1983-01-31 1984-08-15 Toyo Machinery Co Correcting sideways movements of travelling web

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140893B (de) * 1960-12-17 1962-12-13 Intron Leipzig Werk Fuer Ind E Verfahren und Schaltungsanordnung zur Gewinnung von Stellwerten zwecks Korrektur beliebigen Schussfaden-verzuges an Gewebebahnen
US3193688A (en) * 1960-12-22 1965-07-06 American Cloth Strait Company Photosensitive weft straightener and alignment detector
DE1150041B (de) * 1961-01-10 1963-06-12 Intron Leipzig Veb Verfahren zur Ansteuerung der Stellglieder eines Schussfadenrichtgeraetes
FR1461597A (fr) * 1965-10-26 1966-02-25 Amdes Perfectionnements apportés aux installations pour le traitement de produits en bande
US3402443A (en) * 1966-05-09 1968-09-24 Coltron Ind Cloth straightening apparatus
US3751774A (en) * 1969-11-06 1973-08-14 Mount Hope Machinery Ltd Apparatus for correcting weft distortions in woven webs
GB2036306A (en) * 1978-11-23 1980-06-25 Mahlo Gmbh & Co Kg Apparatus for measuring the position of weft thread in a moving fabric web
GB2062040A (en) * 1979-10-01 1981-05-20 Toyo Machinery Co Tenter apparatus
GB2134492A (en) * 1983-01-31 1984-08-15 Toyo Machinery Co Correcting sideways movements of travelling web

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926550A (zh) * 2020-08-24 2020-11-13 常州市宏大电气有限公司 一种矫正组件、矫正装置及矫正方法
CN111926550B (zh) * 2020-08-24 2023-08-25 常州市宏大电气有限公司 一种矫正组件、矫正装置及矫正方法

Also Published As

Publication number Publication date
IT1195118B (it) 1988-10-12
IT8667626A0 (it) 1986-08-01
DE3774634D1 (de) 1992-01-02
ATE69625T1 (de) 1991-12-15
EP0255165B1 (de) 1991-11-21

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