GB1354653A - Methods of letting-off warp threads and warp let-off motions for weaving looms - Google Patents

Methods of letting-off warp threads and warp let-off motions for weaving looms

Info

Publication number
GB1354653A
GB1354653A GB882872A GB882872A GB1354653A GB 1354653 A GB1354653 A GB 1354653A GB 882872 A GB882872 A GB 882872A GB 882872 A GB882872 A GB 882872A GB 1354653 A GB1354653 A GB 1354653A
Authority
GB
United Kingdom
Prior art keywords
warp
letting
motions
methods
pick density
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
Application number
GB882872A
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.)
Picanol NV
Original Assignee
Picanol NV
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
Application filed by Picanol NV filed Critical Picanol NV
Publication of GB1354653A publication Critical patent/GB1354653A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04Control of the tension in warp or cloth
    • D03D49/06Warp let-off mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

1354653 Looms WEEFAUTOMATEN PICANOL NV 25 Feb 1972 [26 Feb 1971] 8828/72 Heading D1E Warp let-off is controlled by measuring the pick density, the warp tension and beam diameter and converting these measurements into electrical signals which are fed to a transistorised circuit controlling the electrical motor letting off the warp. The pick density is measured by magnetically or optically monitoring the teeth on a gear wheel 22 on the takeup motion, the warp tension is measured by a straw gauge 33 and the beam diameter by a potentiometer 30. Provision is made for reverse driving and the gear train on the takeup motion is variable to control pick density. The electrical circuitry compensates for shedding tensions.
GB882872A 1971-02-26 1972-02-25 Methods of letting-off warp threads and warp let-off motions for weaving looms Expired GB1354653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE100224 1971-02-26

Publications (1)

Publication Number Publication Date
GB1354653A true GB1354653A (en) 1974-06-05

Family

ID=3841482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB882872A Expired GB1354653A (en) 1971-02-26 1972-02-25 Methods of letting-off warp threads and warp let-off motions for weaving looms

Country Status (6)

Country Link
AT (1) AT315100B (en)
BE (1) BE763488A (en)
CS (1) CS163792B2 (en)
GB (1) GB1354653A (en)
IT (1) IT972417B (en)
NL (1) NL7201799A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101876118A (en) * 2009-04-28 2010-11-03 株式会社丰田自动织机 The method and apparatus that is used for the yarn beam diameter of definite loom

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556416A (en) * 1972-09-29 1974-11-29 Sulzer Ag CHAIN RELEASE DEVICE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101876118A (en) * 2009-04-28 2010-11-03 株式会社丰田自动织机 The method and apparatus that is used for the yarn beam diameter of definite loom
CN101876118B (en) * 2009-04-28 2012-04-18 株式会社丰田自动织机 Method and device for determining a yarn beam diameter in a loom

Also Published As

Publication number Publication date
IT972417B (en) 1974-05-20
AT315100B (en) 1974-05-10
BE763488A (en) 1971-07-16
CS163792B2 (en) 1975-11-07
NL7201799A (en) 1972-08-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee