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:
Mar. 25, 2003
Filed:
Jun. 25, 2001
Applicant:
Inventors:
Assignee:
Toyo Radiator Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 7/00 ;
U.S. Cl.
CPC ...
G01L 7/00 ;
Abstract
A cap body of a synthetic resin includes a cylindrical portion having an external thread formed on its outer peripheral surface, the cylindrical portion having at its lower end a shoulder or an annular groove for receiving an O-ring. The cylindrical portion has on its inner peripheral surface an annular, internally flanged valve stopper which provides a support for a locking rib of a pressure valve. The pressure valve includes deformation slits formed along the outer periphery of a pot-shaped valve body, and a seal plate disposed on the bottom surface of the valve body.