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:
Mar. 06, 2001
Filed:
Dec. 29, 1998
Masahito Fujita, Narashino, JP;
Yasushi Saitou, Narashino, JP;
NDC Company, Ltd., Chiba-ken, JP;
Abstract
A sliding material which is used for bearings, washers and other parts of automobiles, industrial machines, agricultural machines and the like, possesses an excellent abrasion resistance, and is useful under sever boundary lubricating conditions. The sliding material comprises a back plate (,) of a steel plate and a sinter bearing layer integrally provided on one surface of the back plate (,). A powder (,) of a hard material is dispersed in an amount of 0.5 to 20% by weight in a matrix (,) of the sinter bearing layer. The matrix (,) comprises 1 to 30% by weight of Pb and 1 to 15% by weight of Sn with the balance consisting of Cu. The powder (,) of a hard material comprises 7.5 to 9.5% by weight of Cr, 27 to 30% by weight of Mo, and 2.0 to 3.0% by weight of Si with the balance consisting of Co.