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. 11, 2006
Filed:
Nov. 12, 2002
Kosaku Ueta, Okabe-machi, JP;
Hideo Watanabe, Ina-machi, JP;
Kosaku Ueta, Okabe-machi, JP;
Hideo Watanabe, Ina-machi, JP;
Japan Metal Gasket Co., Ltd., , JP;
Abstract
A metallic gasket comprising a base plate having a first thickness-increased portionformed at a peripheral edge on a combustion chamber openingside of a base plate, and a first seal line SLand a second seal line SLarranged on the outer side of said first thickness-increased portionNo openings other than a cooling water holeexist between said two seal lines. Beads formed along said seal lines SLand SLeach consist of a convex metal bead raised only upward from an upper surface of said base plate and a rubber bead made of an elastic sealing material fixed to a convex portion and a concave portion of said metal bead. This structure of said metallic gasket can improve a processing accuracy of said metal bead and also enhance cooling effects on said metallic gasket itself and said joint surfaces of an engine, between which said metallic gasket is disposed.