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. 08, 2019
Filed:
Jul. 27, 2017
Denso Corporation, Kariya, Aichi-pref., JP;
Kazuhide Kawai, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
An angular gasket for a spark plug used for mounting a spark plug to a wall of a combustion engine. The gasket provided with a first section with predetermined thickness, having a plurality of concave portions provided as grooves intermittently disposed along a circumferential direction on a first surface being a wall section of the gasket, at an inner circumferential edge thereof. The gasket further provided with convex portions on a section of the inner radial side, with respect to the concave portions projecting toward the inner radial side thereof, at the inner circumferential edge, and a second section being thinner than the a thickest part of the gasket, and greater in thickness than the first section, disposed between the plurality of concave portions of the inner circumferential edge surface.