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Patent Searching and Data


Title:
PREPARATION OF FRICTION MATERIAL
Document Type and Number:
Japanese Patent JPS56115328
Kind Code:
A
Abstract:

PURPOSE: To obtain a friction material having improved characteristics with reduced amounts of a yarn and roving, by distributing the yarn or roving under tension uniformly, and hot-pressing and molding the yarn or roving with other raw materials.

CONSTITUTION: A yarn or roving is distributed almost uniformly under tension, hot-pressed and molded with other raw materials to give the aimed friction material, preferably a clutch facing. Preferably, the yarn or roving is almost uniformly distributed around almost the whole inner or outer periphery of the clutch facing, and two or more yarns or rovings having different coefficients of friction are used as the yarn or roving.


Inventors:
MANABE MIKIO
MATSUMOTO TOORU
Application Number:
JP1804180A
Publication Date:
September 10, 1981
Filing Date:
February 15, 1980
Export Citation:
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Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
C08J5/14; B29C33/00; B29C43/00; B29C43/02; B29C43/58; F16D69/00; F16D69/02; (IPC1-7): B29G1/00; C08J5/14; F16D69/00