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:
Oct. 14, 2008
Filed:
Jul. 21, 2004
Applicants:
Masayuki Takeuchi, Nukata-gun, JP;
Yoshitaka Tomatsu, Chiryu, JP;
Inventors:
Masayuki Takeuchi, Nukata-gun, JP;
Yoshitaka Tomatsu, Chiryu, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The front end portion of a fitting projection from the portion on which a backup ring is mounted to the front end, has a diameter smaller than the inner diameter of the backup ring. The backup ring is endless in the circumferential direction thereof. The backup ring functions as a sealing member.