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. 08, 2011
Filed:
Dec. 07, 2007
Applicant:
Toshihiro Imai, Tokyo, JP;
Inventor:
Toshihiro Imai, Tokyo, JP;
Assignee:
Ishikawa Gasket Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 11/00 (2006.01); F16J 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metal gasket includes a first metal plate having positioning holes, and a second metal plate laminated under the first metal plate. The second metal plate has positioning projections facing corresponding positioning holes and fitted into the facing corresponding positioning holes. At least one of the positioning holes does not match the other of the positioning holes in case the position holes are overlapped, and at least one of the positioning projections is not fitted into the other of the positioning holes.