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:
Dec. 03, 2013
Filed:
May. 30, 2007
Applicants:
Tomonobu Abe, Kai, JP;
Shigeru Tsuchiya, Kai, JP;
Shigeru Hayashida, Kofu, JP;
Inventors:
Assignee:
Taiyo Nippon Sanso Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/00 (2006.01); G01N 27/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gasket according to the present invention is for sealing a valve or pipe used in a high-pressure gas supplying equipment, which is comprised of a polymer material containing magnetic particles. Also, in a determination method of deterioration and damages of a gasket according to the present invention, the aforementioned gasket is used as the gasket for sealing a valve or pipe in a high-pressure gas supplying equipment, and the magnetic force of the gasket is measured to determine the deterioration and the damages of the gasket.