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:
Apr. 27, 2021
Filed:
Dec. 22, 2016
Nichias Corporation, Tokyo, JP;
Tetsuo Oohinata, Tokyo, JP;
NICHIAS CORPORATION, Tokyo, JP;
Abstract
A cylinder head gasket includes a composite member formed of a metal substrate and a rubber layer provided to both surfaces of the substrate. The substrate is formed of stainless steel having a content of C that is 0 to 0.15 mass %, a content of Si that is 0 to 0.5 mass %, a content of Mn that is 0 to 2.0 mass %, a content of Cr that is 11.5 to 13.0 mass %, a content of N that is 0 to 0.5 mass %, a content of P that is 0 to 0.040 mass %, a content of S that is 0 to 0.030 mass %, a content of Ni that is 0 to 0.6 mass %, the balance Fe, and inevitable impurities. The stainless steel forming the substrate has a 0.2% proof stress of 1,300 to 1,500 MPa.