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:
Sep. 13, 1988
Filed:
Feb. 27, 1984
Applicant:
Inventor:
William F Buckminster, Voorhees, NJ (US);
Assignee:
Molins Machine Company, Cherry Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210108 ; 210167 ; 210412 ; 2104161 ;
Abstract
An ink filter system including a self-washing filter provided with upper and lower cylinder chambers and a piston reciprocable between upper and lower positions in the upper cylinder chamber. First and second inlets are provided for introducing fluid into the upper cylinder chamber on opposite sides of the piston. The filter screen is mounted in the lower cylinder chamber. The filter is cleaned on the upstroke of a spray nozzle which is connected to the piston. The spray nozzle is cleaned on the downstroke of the piston.