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:
May. 15, 2018
Filed:
Apr. 15, 2015
Denso Corporation, Kariya, Aichi-pref., JP;
Aki Miyawaki, Nishio, JP;
Atsushi Honda, Nishio, JP;
Syoichi Takemoto, Nishio, JP;
Akihiro Ando, Nishio, JP;
Takanobu Aochi, Nishio, JP;
Masamichi Shibata, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A spark plugfor an internal combustion engine includes a center electrode, an insulator, and a housing. The insulatorincludes a distal end side exposed part and an insulator enlarged diameter part. The housingincludes a lateral electrode, an engaging part, and a crimping portion. A buffer memberthat restrains the distal end side exposed partby pressing a part of the distal end side exposed parttoward the center and a part of the inner peripheral surface of the lateral electrodein a radial direction at a distal end side of the engaging partis disposed at a base end side of the gas pocket