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Title:
【発明の名称】炭素繊維織物の製造法
Document Type and Number:
Japanese Patent JP2981667
Kind Code:
B2
Abstract:
A carbon fiber fabric is produced by making carbon fibers having a tensile strength exceeding 250 kgf/mm<2> and an elongation to break of 0.4% to 10% into a two- or three-dimensional fabric, said carbon fibers having been obtained by melt-spinning a carbonaceous pitch, making the resulting fibers infusible and then subjecting the thus-infusiblized fibers to a primary heat treatment at a temperature exceeding 650C and not higher than 2,500C, and subjecting said two- or three-dimensional fabric to a secondary heat treatment at a temperature which is not lower than 700C and is higher than the temperature used in said primary heat treatment.

Inventors:
KAMIMURA SEIICHI
HAYATA YOSHIHO
IDO TAIJI
Application Number:
JP3500889A
Publication Date:
November 22, 1999
Filing Date:
February 16, 1989
Export Citation:
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Assignee:
NIPPON SEKYU KK
International Classes:
D01F9/14; D01F9/145; D03D15/12; D03D25/00; (IPC1-7): D01F9/14; D03D15/12; D03D25/00
Domestic Patent References:
JP63243329A
JP63120113A
Attorney, Agent or Firm:
Takehiko Saito