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Title:
BRAKE MATERIAL AND EMERGENCY STOPPER FOR ELEVATOR
Document Type and Number:
Japanese Patent JP3792758
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a brake material for elevator emergency stoppers which has heat resistance and a stably high coefficient of friction even under high- speed high-stress conditions and has excellent seizing resistance on a rail.
SOLUTION: This material comprises a ceramic matrix selected from among silicon nitride, titanium boride, Sialon, and silicon carbide and, dispersed therein, silicon carbide whiskers and/or platy silicon carbide particles (platelets). It has a content of the whiskers and/or platelets of 10wt.% or higher.


Inventors:
Takayuki Fukasawa
Masanori Kato
Yasuhiro Gonohe
Application Number:
JP22919395A
Publication Date:
July 05, 2006
Filing Date:
September 06, 1995
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
B66B5/22; C09K3/14; F16D63/00; F16D69/02; (IPC1-7): C09K3/14; B66B5/22; F16D63/00; F16D69/02
Domestic Patent References:
JP4224884A
JP4222890A
JP4224882A
JP5118364A
JP3237062A
JP5070698A
JP62124244A
JP62261724A
JP5247233A
JP60034618A
JP4224881A
Attorney, Agent or Firm:
Takehiko Suzue