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CA964021A - Two-stage drawing of polyester filaments - process and product - Google Patents

Two-stage drawing of polyester filaments - process and product

Info

Publication number
CA964021A
CA964021A CA093,794A CA93794A CA964021A CA 964021 A CA964021 A CA 964021A CA 93794 A CA93794 A CA 93794A CA 964021 A CA964021 A CA 964021A
Authority
CA
Canada
Prior art keywords
product
polyester filaments
stage drawing
stage
filaments
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
CA093,794A
Inventor
Oakley R. Vail
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA964021A publication Critical patent/CA964021A/en
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
    • D02J1/228—Stretching in two or more steps, with or without intermediate steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
CA093,794A 1969-11-26 1970-09-22 Two-stage drawing of polyester filaments - process and product Expired CA964021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88013269A 1969-11-26 1969-11-26

Publications (1)

Publication Number Publication Date
CA964021A true CA964021A (en) 1975-03-11

Family

ID=25375573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA093,794A Expired CA964021A (en) 1969-11-26 1970-09-22 Two-stage drawing of polyester filaments - process and product

Country Status (3)

Country Link
CA (1) CA964021A (en)
DE (1) DE2058272A1 (en)
GB (1) GB1336159A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101522B (en) * 1981-01-26 1984-05-31 Showa Denko Kk Producing high tenacity monofilaments

Also Published As

Publication number Publication date
DE2058272A1 (en) 1971-06-03
GB1336159A (en) 1973-11-07

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