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:
Nov. 17, 2015
Filed:
Aug. 26, 2013
Applicant:
Kisho Yasuda, Tokyo, JP;
Inventor:
Kisho Yasuda, Tokyo, JP;
Assignee:
ISHIKAWA GASKET CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 11/00 (2006.01); F16J 15/08 (2006.01);
U.S. Cl.
CPC ...
F02F 11/002 (2013.01); F16J 15/0818 (2013.01);
Abstract
A gasket includes at least one metal plate; a fixture hole formed in the at least one metal plate, for inserting a fixture therein; a sealing subject hole formed in the at least one metal plate; and a fastening-stress concentration area located on the at least one metal plate between the fixture hole and the sealing subject hole where a fastening stress concentrates when the two members are fastened by the fixture. A fastening-stress reduction portion is formed only on the fastening-stress concentration area to reduce the fastening stress when the two members are fastened.