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:
Dec. 06, 1983
Filed:
Jul. 07, 1982
Jurgen Hoffmann, Diemarden, DE;
Sartorius GmbH, Gottingen, DE;
Abstract
There is disclosed tubular filter element for the filtration of fluids, which is equipped with an enclosing housing with an inlet and outlet or is insertable into such a housing. The filter element is cylindrical and consists of a plurality of pleated radially extending folds. The filter is built up in several layers and the junction is bridged through at least one flexible connecting blank of synthetic material engaging between two layers and durably connected tight against leakage cohesively or adhesively by two seams or connecting zones. The flexible connecting blank by having a section extending between longitudinal edge portions of junction form an open fold pointing radially outwardly and a fold web pointing radially inwardly of the filter element.