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. 29, 2000
Filed:
Dec. 01, 1998
Applicant:
Inventors:
Yukiharu Akiyama, Tokyo, JP;
Hisato Umemaru, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73706 ;
Abstract
To suppress the projection of an O ring when a plurality of O rings fitted onto a pipe are inserted into the respective O ring storage chambers of a cup, first and second O ring storage chambers corresponding to the plurality of O rings are formed in the cup, and the line diameter of an O ring which is inserted later is made larger than the line diameter of the O ring which is first inserted.