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:
Feb. 16, 2016
Filed:
Aug. 28, 2014
Kabushiki Kaisha Riken, Chiyoda-ku, Tokyo, JP;
Hayato Sasaki, Kumagaya, JP;
Takashi Ono, Kumagaya, JP;
KABUSHIKI KAISHA RIKEN, Tokyo, JP;
Abstract
An object of the present invention is to provide a piston ring for an internal combustion engine capable of preventing aluminum cohesion for a long time under high temperature and high load conditions. Specifically, a piston ringfor the internal combustion engine including a piston ring base materialcoated with an aluminum cohesion resistant film, wherein the aluminum cohesion resistant filmis made of ceramics coated on at least one of an upper side faceand a lower side faceof the piston ring base material
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile