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:
Sep. 19, 2006
Filed:
Oct. 14, 2004
Applicant:
Tsunekazu Udagawa, Ichikawa, JP;
Inventor:
Tsunekazu Udagawa, Ichikawa, 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 includes two surface plates, and an intermediate plate. The second surface plate has a folded-back piece folded back around a sealing hole and disposed on a first bead of the first surface plate surrounding the sealing hole. The first plate has a curved portion with a height higher than that of the folded-back piece and disposed adjacent to an outer peripheral edge of the folded-back piece. The curved portion has a crank shape section or a Z-character shape section. A second bead is provided in the intermediate plate adjacent to the curved portion.