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Title:
CARBON FIBER REINFORCED CARBON/CARBON COMPOSITE MATERIAL AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH05230748
Kind Code:
A
Abstract:

PURPOSE: To add an offcut waste material to a friction disc preform by making the material include a nonwoven fiber web prepared by recycling a PAN fiber having a specific average length, etc.

CONSTITUTION: An offcut fiber fibrous material produced from a PAN fiber, etc., is torn to form a dispersed staple fiber having about 10 to about 25 mm average length. The fiber is made into webs 12 and 14 having substantially uniform randomness in the direction by an air laying method and the webs are laminated to a core 16 to form a preform 10.


Inventors:
Morris, Edward Lee
Bazshushtari, Afshin
Application Number:
JP1992000233497
Publication Date:
September 07, 1993
Filing Date:
September 01, 1992
Export Citation:
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Assignee:
B F GOODRICH CO:THE
International Classes:
C04B35/83; C09K3/14; D04H1/42; D04H1/46; D04H18/02; F16D65/12; F16D69/02; (IPC1-7): C04B35/52; C09K3/14; D04H1/42; F16D65/12
Attorney, Agent or Firm:
青木 朗 (外3名)



 
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