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GB474413A - Improvements in or relating to the production of composite yarns - Google Patents

Improvements in or relating to the production of composite yarns

Info

Publication number
GB474413A
GB474413A GB3233636A GB3233636A GB474413A GB 474413 A GB474413 A GB 474413A GB 3233636 A GB3233636 A GB 3233636A GB 3233636 A GB3233636 A GB 3233636A GB 474413 A GB474413 A GB 474413A
Authority
GB
United Kingdom
Prior art keywords
yarns
yarn
uncrimped
crimped
component
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
GB3233636A
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
Application filed by Individual filed Critical Individual
Priority to GB3233636A priority Critical patent/GB474413A/en
Publication of GB474413A publication Critical patent/GB474413A/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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics

Landscapes

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

Abstract

474,413. Yarns. BELL, A. S. Nov. 26, 1936, No. 32336. [Class 120 (iii)] A composite yarn is formed by doubling together a crimped and an uncrimped yarn in one direction and then doubling the doubled yarn with one or more similar doubled yarns in the reverse direction. Each uncrimped component yarn may be twisted in the direction opposite to the direction of its doubling twist but to a lesser extent and at least one of such yarns may comprise two or more uncrimped yarns twisted together, in a direction opposite to that of the doubling twist. The crimped component may be of a greater denier than the uncrimped component and may be of greater length so that it spirals around the uncrimped component while the yarns are being doubled together. The components of the composite yarn may be of like or of different materials and of a fibrous or continuous character, e.g. a cellulose acetate yarn may be formed from crimped or uncrimped yarns of continuous filaments and the yarns may have different characteristics, e.g. of lustre, colour or saponification, and may have been stretched to impart a high tenacity thereto. The crimp may be imparted to the filament or fibres by rollers and may be set by steam, or by twisting, setting and untwisting the yarn as a whole, by treatment with hot aqueous liquors in the case of cellulose acetate and similar substances, e.g. as described in Specification 459,781, or by any combination of these processes and the crimp may be fixed by the process described in Specification 455,021. A crimped cellulose acetate yarn may be produced by the processes described in Specifications 424,880, 442,073 ; and 464,981, [Group II]. Specifications 474,401 and 474,402 also are referred to.
GB3233636A 1936-11-26 1936-11-26 Improvements in or relating to the production of composite yarns Expired GB474413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3233636A GB474413A (en) 1936-11-26 1936-11-26 Improvements in or relating to the production of composite yarns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3233636A GB474413A (en) 1936-11-26 1936-11-26 Improvements in or relating to the production of composite yarns

Publications (1)

Publication Number Publication Date
GB474413A true GB474413A (en) 1937-11-01

Family

ID=10337017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3233636A Expired GB474413A (en) 1936-11-26 1936-11-26 Improvements in or relating to the production of composite yarns

Country Status (1)

Country Link
GB (1) GB474413A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401516A (en) * 1966-05-31 1968-09-17 Monsanto Co High bulk continuous filament low stretch yarn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401516A (en) * 1966-05-31 1968-09-17 Monsanto Co High bulk continuous filament low stretch yarn

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