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:
Aug. 29, 2006
Filed:
Mar. 01, 2005
Applicant:
Tadashi Kasuya, Tokyo, JP;
Inventor:
Tadashi Kasuya, Tokyo, JP;
Assignee:
Ishikawa Gasket Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metal laminate gasket with a hole to be sealed includes a base metal plate having a first hole corresponding to the hole to be sealed, and a first steel plate laminated on one side of the base metal plate and having a second hole with a diameter greater than that of the first hole. The second hole has an inner surface and is aligned with the first hole when the base metal plate and the first steel plate are laminated. A coating layer is deposited on the first steel plate and has a portion deposited on the inner surface of the second hole.