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:
Jan. 07, 2014
Filed:
Apr. 19, 2010
Frank Hartmann, Steinfurt, DE;
Michael Andress, Altenberge, DE;
Frank Hartmann, Steinfurt, DE;
Michael Andress, Altenberge, DE;
Kreyenborg GmbH, Muenster, DE;
Abstract
A filtering device () for plastic melts exhibits at least one screen plunger () arranged movably between an inlet channel () and an outlet channel () of a housing () and containing replaceable, three-dimensional filter elements (). The inside of the filter elements () is connected to at least one melt channel () formed in the screen plunger (). The melt channel is connected to the inlet or outlet channel () of the housing () when in the production position. The screen plunger () exhibits at least one receiving chamber () that can be closed using a cover () on the face side. Several filter elements () are bundled with a central distribution element () to a filter cartridge () that can be placed in the receiving chamber ().