Title:
HOLLOW-STRUCTURE MATERIAL AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3183711
Kind Code:
B2
Abstract:
PURPOSE: To provide a hollow-structure material having excellent compression strength, shape stability, precision filtration performance, etc., and usable as industrial materials such as filter for fluid such as water and air or a base for various reinforcing materials.
CONSTITUTION: The hollow material has a pressure resistance of ≤0.1kg/cm2 and is composed of plural synthetic fiber yarns arranged in spiral states turning right and left directions. It can be produced by forming a hollow-structure with yarns containing ≥30wt.% of filaments having a boiling water-shrinkage of ≥20% and a maximum thermal stress of 0.4g/d and heat-treating the formed hollow structure.
Inventors:
Toshihiko Kotani
Kunio Akasaki
Toshiaki Hirai
Kunio Akasaki
Toshiaki Hirai
Application Number:
JP16405592A
Publication Date:
July 09, 2001
Filing Date:
May 28, 1992
Export Citation:
Assignee:
Unitika Ltd.
International Classes:
D04C1/12; D04C3/40; (IPC1-7): D04C1/12
Domestic Patent References:
| JP3284306A | ||||
| JP61132622A | ||||
| JP2241448A |