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. 10, 1987
Filed:
Mar. 01, 1985
Applicant:
Inventors:
Assignees:
Kashima Engineering Co., Ltd., Ibaraki, JP;
Taiho Industrial Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 2218 ; 134 24 ; 137 15 ; 210803 ;
Abstract
In a method of preventing deposition of sludge and of removing deposited sludge, liquid spray devices installed at predetermined positions in a tank are driven by a pressure of a liquid sprayed therefrom, the liquid sprayed from the spray devices is sprayed at a predetermined speed in the tank, and the flow of the liquid removes sludge deposited in the tank.