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:
Sep. 07, 1982
Filed:
Jan. 23, 1981
Osao Ogiwara, Hanyu, JP;
Akebono Brake Industry Company, Ltd., Tokyo, JP;
Abstract
A friction material wherein a heat-resistant organic fiber, which is a carbon fiber and/or a phenol fiber less than 10 mm in length, is mixed in a composition of the friction material containing a ferrous fiber and formed with a thermosetting resin binder. In particular, a friction material for braking is formed from a composition containing 5-60 wt. % of a ferrous fiber, 0.3-20 wt. % of a carbon fiber and/or a phenol fiber of less than 10 mm in length, 0.5-15 wt. % of an organic dust, 2-20 wt. % of an inorganic filler, 5-25 wt. % of lubricant, 0.2-10 wt. % of an antimony trioxide, 0-20 wt. % of a metallic powder and 3-15 wt. % of a phenol binder under heat and pressure.