GB850079A - Improvements in or relating to the production of stretch yarns - Google Patents

Improvements in or relating to the production of stretch yarns

Info

Publication number
GB850079A
GB850079A GB503457A GB503457A GB850079A GB 850079 A GB850079 A GB 850079A GB 503457 A GB503457 A GB 503457A GB 503457 A GB503457 A GB 503457A GB 850079 A GB850079 A GB 850079A
Authority
GB
United Kingdom
Prior art keywords
yarns
roll
heater
tubes
twist tubes
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
GB503457A
Inventor
David Foxall Arthur
Eric Stutchfield
Alan Frederick Weller
Sidney David Yates
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.)
British Nylon Spinners Ltd
Original Assignee
British Nylon Spinners 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 British Nylon Spinners Ltd filed Critical British Nylon Spinners Ltd
Priority to GB503457A priority Critical patent/GB850079A/en
Publication of GB850079A publication Critical patent/GB850079A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Abstract

850,079. Spinning and crimping yarns; twist tubes. BRITISH NYLON SPINNERS Ltd. Feb. 6, 1958 [Feb. 14, 1957], No. 5034/57. Addition to 797,051 Classes 120(2) and 120(3). In a process for crimping and doubling yarn, two thermoplastic e.g. nylon yarns are drawn through heating means and through one each of two twist tubes of the kind described in the parent Specification so that the yarns are given opposite twists, and doubling the crimped yarns. The yarns 5, 7 are drawn from packages 1, 3 over magnetic hysteresis tensioning devices 9, 11 to a heater 17, which may be a multizone radiation heater as described in Specification 850,080. An elliptical infra-red heater as described in the parent Specification or a pressure steam heater. A vertical arm 19 with thread guides at either end moves laterally to insert the yarn through a threading slot which extends the length of the heater and acts as an insulating closure for the slot. The yarns then pass through rubber lived twist tubes 13, 15 rotated in opposite senses by an endless band 43 which is tensioned by a spring loaded pulley and driven by a roll 45 mounted coaxially with a draw roll 39. The yarns are wrapped twice round the roll 39 and its separator roll 51, pass over an oil roll 53, are twisted by ring and traveller means and wound on a cone-shaped bobbin 41. Drive may be transmitted between the draw roll and twist tubes by gearing, or by two endless bands, or the tubes may comprise the roter and stator of an electric motor or fluid-driven turbines. The bushes or lips of the twist tubes may be natural, polyester or polyurethene rubber. Specification 801,335 also is referred to.
GB503457A 1957-02-14 1957-02-14 Improvements in or relating to the production of stretch yarns Expired GB850079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB503457A GB850079A (en) 1957-02-14 1957-02-14 Improvements in or relating to the production of stretch yarns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB503457A GB850079A (en) 1957-02-14 1957-02-14 Improvements in or relating to the production of stretch yarns

Publications (1)

Publication Number Publication Date
GB850079A true GB850079A (en) 1960-09-28

Family

ID=9788494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB503457A Expired GB850079A (en) 1957-02-14 1957-02-14 Improvements in or relating to the production of stretch yarns

Country Status (1)

Country Link
GB (1) GB850079A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367096A (en) * 1965-06-07 1968-02-06 Alamance Ind Inc Apparatus for false-twisting and plying yarns
US3474612A (en) * 1967-08-10 1969-10-28 British Nylon Spinners Ltd Drawing and bulking of synthetic polymer
US3527043A (en) * 1968-01-05 1970-09-08 Chavanoz Moulinage Retorderie Means and process for producing a false twist by friction
US3668856A (en) * 1970-11-16 1972-06-13 Leesona Corp Friction twister element
US3695020A (en) * 1970-05-06 1972-10-03 Leesona Corp Twister and method of twisting
US3706194A (en) * 1970-08-06 1972-12-19 Pem Ims Inc Apparatus for imparting false twist to yarn

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367096A (en) * 1965-06-07 1968-02-06 Alamance Ind Inc Apparatus for false-twisting and plying yarns
US3474612A (en) * 1967-08-10 1969-10-28 British Nylon Spinners Ltd Drawing and bulking of synthetic polymer
US3527043A (en) * 1968-01-05 1970-09-08 Chavanoz Moulinage Retorderie Means and process for producing a false twist by friction
US3695020A (en) * 1970-05-06 1972-10-03 Leesona Corp Twister and method of twisting
US3706194A (en) * 1970-08-06 1972-12-19 Pem Ims Inc Apparatus for imparting false twist to yarn
US3668856A (en) * 1970-11-16 1972-06-13 Leesona Corp Friction twister element

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