GB1252327A - - Google Patents

Info

Publication number
GB1252327A
GB1252327A GB1252327DA GB1252327A GB 1252327 A GB1252327 A GB 1252327A GB 1252327D A GB1252327D A GB 1252327DA GB 1252327 A GB1252327 A GB 1252327A
Authority
GB
United Kingdom
Prior art keywords
atmosphere
yarn
heated
rollers
roller
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
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 filed Critical
Publication of GB1252327A publication Critical patent/GB1252327A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02JFINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/005Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02Heat treatment
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing 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
    • D02G1/0206Producing 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
    • D02G1/0266Producing 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 false-twisting machines
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing 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
    • D02G1/04Devices for imparting false twist
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02JFINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00Modifying 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
    • D02J1/22Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02JFINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass

Landscapes

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

Abstract

1,252,327. Heat-setting yarns. W. A. SEEM, N. J. STODDARD, F. C. TECCE, and H. P. BERGER, [trading as PERMATWIST CO.]. 17 April, 1969 [19 April, 1968], No. 19585/69. Heading B5B. False-twisted thermoplastic yarn is heated by passage over a moving surface in the form of a belt or one or more rollers within a heated atmosphere, in the absence of a decreasing temperature gradient in a direction away from said surface. The atmosphere alone or the atmosphere and the surface may be directly heated. As illustrated, yarn Y passes into an insulated chamber 11 through a heated pipe 29; is wound around a roller 15, the turns of the yarn being separated by projections 41, and is fed out through the pipe 29A. The atmosphere in the enclosure is maintained at a uniform temperature by an element 28 and circulated by a fan 25. Material suspended in the atmosphere is removed via a conduit. Additional heating of the roller may be effected by resistance heating elements. If two rollers are employed, Fig. 5, not shown, they may be joined by a fan-belt, Fig. 18, not shown. Alternatively, four rollers, Fig. 6, not shown, a perforated roll Fig. 15, not shown, or a self-advancing Godet-roll may be employed. The apparatus may be divided into two successive chambers, Fig. 21, not shown, the first chamber, in which the heating roller is situated, being maintained at a lower temperature than the second. The yarn may be led out of and back into the first chamber to cool it, Fig. 22, not shown. The false-twisting device may be situated before or after the heating device.
GB1252327D 1968-04-19 1969-04-17 Expired GB1252327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72259268A 1968-04-19 1968-04-19

Publications (1)

Publication Number Publication Date
GB1252327A true GB1252327A (en) 1971-11-03

Family

ID=24902511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252327D Expired GB1252327A (en) 1968-04-19 1969-04-17

Country Status (1)

Country Link
GB (1) GB1252327A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115262055A (en) * 2022-09-09 2022-11-01 石狮市富华纺织发展有限公司 Antibacterial polyester yarn and production process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115262055A (en) * 2022-09-09 2022-11-01 石狮市富华纺织发展有限公司 Antibacterial polyester yarn and production process thereof

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees