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. 12, 2018
Filed:
Apr. 26, 2016
Applicant:
Nordson Pps Gmbh, Münster, DE;
Inventor:
Robert Middler, Havixbeck, DE;
Assignee:
Nordson Corporation, Westlake, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/68 (2006.01); B29C 47/08 (2006.01); B29C 47/68 (2006.01);
U.S. Cl.
CPC ...
B01D 29/68 (2013.01); B29C 47/0886 (2013.01); B29C 47/681 (2013.01); B29C 47/682 (2013.01);
Abstract
A filtering device for high-viscous fluids having a two pistons being movably disposed in bores is disclosed. Each piston has at least one cavity and at least one filter element. The device also includes a displacing piston for generating fluid pressure and reversing the flow direction at the fluid during a back-flushing mode in an outlet channel or in a reservoir connected therewith.