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:
Sep. 30, 1997
Filed:
Dec. 29, 1995
Applicant:
Inventors:
Colin K Lanyi, Minchinhampton, GB;
Geoff Purdom, Oxon, GB;
Assignee:
Millipore Investment Holdings Limited, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; F16J / ;
U.S. Cl.
CPC ...
2772 / ; 2772 / ; 73 6153 ; 210635 ;
Abstract
An annular seal for chromatography columns adapted for radial sealing with an inner cylindrical surface, having a compressive surface disposed on the inner annular edge of the seal, and a sealing surface disposed on the outer annular edge of the seal, whereas the sealing face is substantially planar and has two parallel edges, which sealing face further comprises at least one release ridge disposed on the sealing surface adjacent to each parallel edge, which release ridge aids in ensuring breaking of the seal between the sealing face and the inner cylindrical surface.