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:
Oct. 31, 2000
Filed:
Mar. 13, 1996
Applicant:
Inventors:
Shuhei Adachi, Iwata, JP;
Junichi Inami, Iwata, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K / ;
U.S. Cl.
CPC ...
2988844 ; 29890122 ; 251368 ; 1231888 ;
Abstract
A valve seat and cylinder head arrangement wherein the valve seat insert is formed from a material having an elongation at rupture of greater than 1 percent so as to facilitate tapered pressing to form a bonded valve seat.