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. 17, 2002
Filed:
Apr. 28, 2000
Applicant:
Inventor:
Andrew Green, Falmouth, GB;
Assignee:
Watson-Marlow Limited, Cornwall, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 4/312 ;
U.S. Cl.
CPC ...
F04B 4/312 ;
Abstract
A peristaltic pump comprises a housing ( ) in which a peristaltic action is applied to a tube ( ) by a rotor ( ). The tube ( ) has locating means in the form of flanges ( ) at each end, which ensure proper positioning of the tube ( ) within the housing ( ). The housing ( ) makes a fluid-tight seal with the flanges ( ) so that the interior of the housing ( ) is isolated from the ambient surroundings. The flanges ( ) are non-circular and fit in complementary recesses ( ), ( ) in the housing ( ) so that, when installed, the tube ( ) is not twisted between its ends.