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. 30, 1979
Filed:
Feb. 16, 1978
Applicant:
Inventor:
Dirk G Kronsbein, Dusseldorf, DE;
Assignee:
Ultrafilter GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210446 ; 210450 ;
Abstract
A multi-part fluid filter housing having first and second parts and being arranged to contain a replaceable filter element includes complementary frusto-conical mating surfaces between the two parts. The two parts are held together by a screw threaded ring which is screwed onto the outer face of the first part and which includes an internal flange engaging an external flange on the second part. The second part is tapered to improve the flow characteristics of the housing and preferably includes a taper of between 1 and 2%.