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:
Oct. 26, 2021
Filed:
Oct. 17, 2017
Applicant:
Nok Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/08 (2006.01); F02F 11/00 (2006.01);
U.S. Cl.
CPC ...
F16J 15/0818 (2013.01); F02F 11/00 (2013.01); F02F 11/002 (2013.01); F16J 2015/0868 (2013.01);
Abstract
A metal gasket containing a metal plate having an opening portion and having a seal bead having a bent cross-sectional shape formed along the opening portion in order to suppress a variation in the height of the seal bead due to a tensile stress generated in the outer periphery of the seal bead in the molding of the seal bead is provided with a lightening hole extending along the outer periphery of the seal bead, in which the distance between the lightening hole and the seal bead is constant.