FR2129750A5 - Extruded polyurethane filaments - stretched and heated to reduce diameter - Google Patents

Extruded polyurethane filaments - stretched and heated to reduce diameter

Info

Publication number
FR2129750A5
FR2129750A5 FR7209384A FR7209384A FR2129750A5 FR 2129750 A5 FR2129750 A5 FR 2129750A5 FR 7209384 A FR7209384 A FR 7209384A FR 7209384 A FR7209384 A FR 7209384A FR 2129750 A5 FR2129750 A5 FR 2129750A5
Authority
FR
France
Prior art keywords
filaments
heated
stretched
extruded polyurethane
pref
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
FR7209384A
Other languages
English (en)
French (fr)
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.)
Ameliotex Inc
Original Assignee
Ameliotex Inc
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 Ameliotex Inc filed Critical Ameliotex Inc
Application granted granted Critical
Publication of FR2129750A5 publication Critical patent/FR2129750A5/fr
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
    • D02J1/229—Relaxing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
    • 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
    • D02J1/224—Selection or control of the temperature during stretching
    • 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
    • D02J1/228—Stretching in two or more steps, with or without intermediate steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
FR7209384A 1971-03-19 1972-03-17 Extruded polyurethane filaments - stretched and heated to reduce diameter Expired FR2129750A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12612971A 1971-03-19 1971-03-19

Publications (1)

Publication Number Publication Date
FR2129750A5 true FR2129750A5 (en) 1972-10-27

Family

ID=22423134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7209384A Expired FR2129750A5 (en) 1971-03-19 1972-03-17 Extruded polyurethane filaments - stretched and heated to reduce diameter

Country Status (6)

Country Link
JP (1) JPS5221088B1 (it)
BE (1) BE779917A (it)
DE (1) DE2210375A1 (it)
FR (1) FR2129750A5 (it)
IT (1) IT952192B (it)
NL (1) NL7202314A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185301U (it) * 1984-11-12 1986-06-05
DE3917338A1 (de) * 1989-05-27 1990-11-29 Didier Eng Verfahren und vorrichtung zum herstellen von glattgarn aus thermoplastischen kunststoffaeden, insbesondere von glattem polyestergarn

Also Published As

Publication number Publication date
DE2210375A1 (de) 1972-10-12
NL7202314A (it) 1972-09-21
IT952192B (it) 1973-07-20
JPS5221088B1 (it) 1977-06-08
BE779917A (fr) 1972-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse