Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METAL GRAPHITE GROUNDING BRUSH MAINLY COMPOSED OF SILVER AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/106700
Kind Code:
A1
Abstract:
A metal graphite grounding brush mainly composed of silver according to the present invention grounds a shaft by being in sliding contact with the circumferential surface of the shaft. The mass proportion of the silver in the brush is more than 30% but not more than 90%; the mass proportion of a carbonaceous material containing a volatile component in the brush is less than 70% but not less than 10%; and if the total mass of the silver and the carbonaceous material is taken as 100%, the content of the volatile component is from 2.0% to 15%. This metal graphite grounding brush reliably grounds a shaft and suppresses noises and the like on a car radio, while having a long service life and good strength.

Inventors:
IKEDA MITSUO (JP)
KANAGAWA HIROTADA (JP)
HIROTA MITSUHIRO (JP)
NISHIMURA YOSHIHIRO (JP)
Application Number:
PCT/JP2020/042925
Publication Date:
June 03, 2021
Filing Date:
November 18, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TRIS INC (JP)
International Classes:
H01R4/64; H01R39/20; H01R39/26
Foreign References:
JP2003259606A2003-09-12
JP2015147512A2015-08-20
JP2004014294A2004-01-15
JP2007060861A2007-03-08
JP2005027381A2005-01-27
JP2016525329A2016-08-22
JP2017118620A2017-06-29
JP2003347006A2003-12-05
JPS6426344A1989-01-27
JP2641695B21997-08-20
Attorney, Agent or Firm:
SHIOIRI Akira et al. (JP)
Download PDF:



 
Previous Patent: SHAPING APPARATUS AND SHAPING METHOD

Next Patent: MOLDED ARTICLE