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:
Apr. 09, 1991
Filed:
Mar. 20, 1986
Roydon B Cooper, Locust Valley, NY (US);
Pall Corporation, Glen Cove, NY (US);
Abstract
The disclosure describes a filter assembly comprising a housing, a cover, a barrier flange, a flow tube, and a filter unit. The housing has an opening and the cover is detachably and sealingly mounted to the housing at one end of the opening. The barrier flange is detachably and sealingly mounted to the housing within the opening and has upstream and downstream sides and an aperture extending therebetween. The housing further has at least one port which communicates with the opening between the cover and the barrier flange. The flow tube has first and second ends. It is joined at the first to the cover and extends through the aperture and the barrier flange and is joined to the barrier flange. The flow tube also includes at least one orifice between the barrier flange and the cover. The filter unit is mounted to the second end of the flow tube and includes a hollow cylindrical filter element and first and second impervious end caps, the flow tube communicating with the interior of the filter element via an aperture in the first end cap.