GB1101021A - Production of compact yarns and tows by filament spot adhesion - Google Patents

Production of compact yarns and tows by filament spot adhesion

Info

Publication number
GB1101021A
GB1101021A GB2728165A GB2728165A GB1101021A GB 1101021 A GB1101021 A GB 1101021A GB 2728165 A GB2728165 A GB 2728165A GB 2728165 A GB2728165 A GB 2728165A GB 1101021 A GB1101021 A GB 1101021A
Authority
GB
United Kingdom
Prior art keywords
bundle
pressure
filaments
softening agent
travelling
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
GB2728165A
Inventor
Leonard Harvey Pocock Weldon
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 GB2728165A priority Critical patent/GB1101021A/en
Priority to DE19661660381 priority patent/DE1660381A1/en
Publication of GB1101021A publication Critical patent/GB1101021A/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
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • 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
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • D02G3/402—Yarns in which fibres are united by adhesives; Impregnated yarns or threads the adhesive being one component of the yarn, i.e. thermoplastic yarn

Landscapes

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

Abstract

A softening agent is applied to a travelling bundle of artificial filaments and the travelling bundle is then heated and, while hot, is intermittently subjected to mechanical pressure such as to cause the filaments to adhere to one another at closely-spaced spots along the length of the bundle, to render it compact while it is travelling in a continuous manner first through a heating zone and then through a pressure-applying station. The softening agent may be applied in aqueous solution and the heating may be sufficient to remove the water from the solution picked up by the bundle. The bundle may be further heated while being intermittently subjected to pressure at intervals of distance along its length. The pressure may be applied to the bundle by being struck with a rapidly reciprocated metal striker against a metal plate, preferably heated, over and in contact with the surface of which the bundle or yarn is caused to travel, the striker being reciprocated in a plane normal to the direction of movement of the bundle. The striker has a flat, narrow edge, which is parallel to the surface of the plate at the location of contact. The intermittent pressure may instead be applied by means of gear wheels or by means of rubber-surfaced wheels having metal "inserts" spaced around their peripheries to provide pressure areas. The filaments may consist of polyhexamethylene adipamide and the filament bundle or yarn produced may have zero twist. It may be a weaving yarn having 0.5 to 5 spots per inch at which all or some of the filaments adhere to one another. The spots may be uniformly or randomly spaced. The softening agent may be "Lubrol W", ethylene glycol, diethylene glycol, or a polyglycol of molecular weight 200 to 6000. The process may be applied to tows and yarns of rayon, polypropylene, polyesters, polyacrylic filaments and to natural silk yarns left in the r gummed state prior to the heating and pressing steps, the application of an additional softening agent in this latter case being omitted.
GB2728165A 1965-06-28 1965-06-28 Production of compact yarns and tows by filament spot adhesion Expired GB1101021A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2728165A GB1101021A (en) 1965-06-28 1965-06-28 Production of compact yarns and tows by filament spot adhesion
DE19661660381 DE1660381A1 (en) 1965-06-28 1966-06-28 Process for the production of bundles of thread

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2728165A GB1101021A (en) 1965-06-28 1965-06-28 Production of compact yarns and tows by filament spot adhesion

Publications (1)

Publication Number Publication Date
GB1101021A true GB1101021A (en) 1968-01-31

Family

ID=10257027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2728165A Expired GB1101021A (en) 1965-06-28 1965-06-28 Production of compact yarns and tows by filament spot adhesion

Country Status (2)

Country Link
DE (1) DE1660381A1 (en)
GB (1) GB1101021A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0918725A1 (en) * 1996-07-16 1999-06-02 Owens Corning A strand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0918725A1 (en) * 1996-07-16 1999-06-02 Owens Corning A strand
EP0918725A4 (en) * 1996-07-16 1999-11-17 Owens Corning Fiberglass Corp A strand

Also Published As

Publication number Publication date
DE1660381A1 (en) 1971-06-03

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