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GB1263055A - Improvements in or relating to the production of bulked yarns - Google Patents

Improvements in or relating to the production of bulked yarns

Info

Publication number
GB1263055A
GB1263055A GB746268A GB746268A GB1263055A GB 1263055 A GB1263055 A GB 1263055A GB 746268 A GB746268 A GB 746268A GB 746268 A GB746268 A GB 746268A GB 1263055 A GB1263055 A GB 1263055A
Authority
GB
United Kingdom
Prior art keywords
yarn
rolls
twist
false
feb
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
GB746268A
Inventor
Clive Righton Jones
Michael John Rogerson
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB746268A priority Critical patent/GB1263055A/en
Priority to DE19691906766 priority patent/DE1906766A1/en
Priority to CA042779A priority patent/CA922183A/en
Priority to BE728461D priority patent/BE728461A/xx
Priority to NL6902331A priority patent/NL6902331A/xx
Priority to FR6903750A priority patent/FR2001980A1/fr
Publication of GB1263055A publication Critical patent/GB1263055A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/022—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting while simultaneously drawing the yarn

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

1,263,055. Process for producing bulked yarns. IMPERIAL CHEMICAL INDUSTRIES Ltd. 4 Feb., 1969 [15 Feb., 1968], No. 7462/68. Heading D1F. In a process for producing bulked synthetic polymeric yarn by false twist crimping and by subsequent heating in a controlled longitudinally-contracted state, yarn feed-stock in a drawable state is fed via feed rolls 2 to false twist means 4 and is withdrawn by takeout rolls 3 so that the yarn is drawn at a point located at the upstream end of a heater 5 by which twist is set within the drawing and false-twisting zone, the take-out rolls 3 being rotated at a peripheral speed higher than that of the feed rolls 2 by an amount equivalent to the desired draw ratio and incomplete snubbing of the twist occurring in the drawing zone. The drawable yarn is preferably a polyamide or polyester yarn, and the draw ratio is substantially 3.2. The drawing of the yarn takes place within the first few inches of contact with the heater 5. The crimped yarn may be subjected to a heat treatment either before or after winding-up e.g. by means of steaming or combined with a dyeing process. The yarn is allowed to contract by at least 10% between the take-out rolls 3 and the wind-up means 6.
GB746268A 1968-02-15 1968-02-15 Improvements in or relating to the production of bulked yarns Expired GB1263055A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB746268A GB1263055A (en) 1968-02-15 1968-02-15 Improvements in or relating to the production of bulked yarns
DE19691906766 DE1906766A1 (en) 1968-02-15 1969-02-11 Process for making lofted synthetic polymeric yarn
CA042779A CA922183A (en) 1968-02-15 1969-02-12 Production of bulked yarns
BE728461D BE728461A (en) 1968-02-15 1969-02-14
NL6902331A NL6902331A (en) 1968-02-15 1969-02-14
FR6903750A FR2001980A1 (en) 1968-02-15 1969-02-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB746268A GB1263055A (en) 1968-02-15 1968-02-15 Improvements in or relating to the production of bulked yarns

Publications (1)

Publication Number Publication Date
GB1263055A true GB1263055A (en) 1972-02-09

Family

ID=9833556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB746268A Expired GB1263055A (en) 1968-02-15 1968-02-15 Improvements in or relating to the production of bulked yarns

Country Status (6)

Country Link
BE (1) BE728461A (en)
CA (1) CA922183A (en)
DE (1) DE1906766A1 (en)
FR (1) FR2001980A1 (en)
GB (1) GB1263055A (en)
NL (1) NL6902331A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241718A1 (en) * 1971-08-24 1973-03-08 Du Pont METHOD OF MANUFACTURING TEXTURED YARN
JPS5065617A (en) * 1973-10-23 1975-06-03
GB2188338A (en) * 1986-03-25 1987-09-30 Carding Spec Co Modifying a yarn

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022612B1 (en) * 1971-06-22 1975-08-01
JPS4875815A (en) * 1971-12-29 1973-10-12
FR2620534B1 (en) * 1987-09-15 1991-08-30 Rosales Blanca FUEL CONTAMINATION DETECTOR

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241718A1 (en) * 1971-08-24 1973-03-08 Du Pont METHOD OF MANUFACTURING TEXTURED YARN
JPS5065617A (en) * 1973-10-23 1975-06-03
JPS5237088B2 (en) * 1973-10-23 1977-09-20
GB2188338A (en) * 1986-03-25 1987-09-30 Carding Spec Co Modifying a yarn
GB2188338B (en) * 1986-03-25 1989-11-22 Carding Spec Co Method and apparatus for modifying a yarn

Also Published As

Publication number Publication date
DE1906766A1 (en) 1969-09-18
FR2001980A1 (en) 1969-10-03
CA922183A (en) 1973-03-06
NL6902331A (en) 1969-08-19
BE728461A (en) 1969-08-14

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