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:
Aug. 11, 1981
Filed:
Apr. 12, 1979
Applicant:
Inventor:
Mamoru Hirao, Okayama, JP;
Assignee:
Kagaku Kenkyujo Kabushiki Kaisha Hayashibara Seibutsu, Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277135 ; 277D / ;
Abstract
Means for prevention of leakage of liquid from liquid reservoirs are disclosed. Leakage of liquid from reservoirs may be prevented by applying compressed air or gas to the exterior edge of the interface of sliding or revolving elements of such reservoirs.