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:
Jun. 14, 1983
Filed:
Apr. 03, 1981
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
733225 ; 141 18 ; 141 94 ; 222 62 ; 222 68 ;
Abstract
A float of a system for pressure feeding of slurry including a main body in the form of a bellows having a liquid and a gas sealed therein. The float has an apparent specific gravity which may vary depending on the value of pressure of a slurry or a driving liquid, whereby the slurry can be continuously fed from at least one slurry supply chamber by a driving liquid under high pressure to a desired destination.