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:
Jan. 24, 1989
Filed:
Oct. 29, 1987
Applicant:
Inventor:
Nobuo Yoshino, Tokyo, JP;
Assignee:
Nihon Metal Gasket Kabushiki Kaisha, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277231 ; 277234 ; 2772 / ;
Abstract
A metallic gasket having a base plate made of an elastic metal plate formed with a combustion chamber hole. A bead is formed on the base plate around the combustion chamber hole. A subplate having a bead is laminated on this base plate. An edge of the subplate, around the combustion chamber hole, is folded back so as to surround and sandwich the edge of the base plate, thereby constituting a compensating rim portion having a predetermined thickness larger than that of the other portion. When the cylinder head is tightened, the metallic gasket is compressed and deformed. However, a sealing effect is assured due to the thick compensating portion.