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:
Nov. 30, 1993
Filed:
Jan. 17, 1992
Yukinori Yamashita, Hyogo, JP;
Mitsuhiko Nakagawa, Hyogo, JP;
Masanori Ibuki, Hyogo, JP;
Hiroya Kishimoto, Hyogo, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A friction material for making brake pads or brake disks is formed by mixing metallic fiber and/or aramid fibers as a main component, a filler material and a binder agent for binding the main component and the filler. The metallic fiber includes at least copper fibers and/or copper alloy fibers. The filler includes one or more inorganic substances having a plane netlike crystal structure. The inorganic substances having the plane netlike crystal structure include mica, talc, vermiculite, aluminum hydroxide, magnesium hydroxide, agalmatolite, kaolin, chlorite, sericite, iron hydroxide, and montmorillonite.