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:
Oct. 03, 2017
Filed:
Jun. 16, 2011
Inge Schildermans, Marke, BE;
Stefan Vandendijk, Tongeren, BE;
Marie Nguyen, Diest, BE;
Purolator Advanced Filtration, Sprimont, BE;
Abstract
The invention relates to a disc shaped filter element for filtering a liquid such as a polymer. The filter element comprising—a hub, said hub defining a central opening therethrough, —an upper filter medium and a lower filter medium, said upper filter medium and said lower filter medium extending radially outwards from said hub. The upper filter medium and the lower filter medium comprise a layered structure comprising a first layer and a second layer. The first layer comprises a non-sintered metal fiber fleece and the second layer comprises a layer of non-sintered metal powder particles. The first layer and the second layer are sintered together.