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. 10, 2005
Filed:
Jun. 25, 2003
Applicant:
Nobutsuna Motohashi, Tokyo, JP;
Inventor:
Nobutsuna Motohashi, Tokyo, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L001/18 ;
U.S. Cl.
CPC ...
Abstract
A gap () for forming an excess thickness portion is provided between a pair of first dies () and a intermediate portion () of the second die (), and an excess thickness portion () is formed in bottom portions of the valve guide walls () of valve guide walls.