The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 1985
Filed:
Apr. 14, 1983
Shirou Murata, Itami, JP;
Hajimu Yoshiyasu, Itami, JP;
Fumiyuki Hisatsune, Fukuyama, JP;
Shinji Yamagata, Fukuyama, JP;
Junichi Terachi, Fukuyama, JP;
Mitsubishi Denki Kabushiki Kaisha, Chiyodaku, JP;
Abstract
The present invention relates to a circuit breaker with an arc light absorber comprising: a pair of contactors contained in an insulating container for opening or closing an electric circuit, electric conductors forming said electric contactors and contacts and arc runners provided at said conductors, and arc light absorbing side walls provided at both sides of said arc runners for absorbing the arc light energy irradiated directly to the arc produced between said contactors, said side walls being formed of a composite material having one or more of fiber, net or porous material having more than 35% of apparent porosity.