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Title:
PRODUCTION OF MULTIFILAMENT ELASTIC YARN
Document Type and Number:
Japanese Patent JP3785604
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To efficiently and stably obtain a ribbon-like material from a high- quality and fashionable elastic yarn which is soft and excellent in touch by heating and pressing a multifilament of an elastic polymer and modifying a cross-sectional shape and a surface shape.
SOLUTION: A multifilament of an elastic polymer such as synthetic rubber, polyester elastomer or polyurethane is heated and pressed by a pressing member having a channel of an arbitrary shape to house the multifilament at a temperature equal to or higher than the softening point of the polymer. At least one of the cross-sectional shape and the surface shape is modified into a flat, a polygonal, a star, a horseshoe, an elliptic, a semicircular shape, etc.


Inventors:
脇坂 聡
中西 英樹
太田 幸男
Application Number:
JP19188897A
Publication Date:
June 14, 2006
Filing Date:
July 01, 1997
Export Citation:
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Assignee:
オペロンテックス株式会社
International Classes:
D01F6/70; D01F8/04; D01D5/253; D01F8/14; D02J13/00; (IPC1-7): D01F8/04; D01F8/14
Domestic Patent References:
JP49110954A
JP57133234A
JP4057938A
JP5163631A
JP58191238A
JP53139847A
Foreign References:
US3690978
Attorney, Agent or Firm:
岩見 知典