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:
Nov. 21, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Roy P Moeller, Hayward, CA (US);
Carl L Schackelford, San Pablo, CA (US);
Assignee:
Rainin Instrument Co., Inc., Emeryville, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01F / ; C02F / ;
U.S. Cl.
CPC ...
210656 ; 210101 ; 2101982 ; 210450 ; 285410 ; 204155 ; 366273 ;
Abstract
A liquid chromatography system mixing chamber having a motor-driven magnet situated beside an interior compartment wherein one or more stirring magnets are disposed for mixing solvents fed to the mixing chamber by appropriate metering pumps. A fitting is provided having an expandable ring seal, the fitting being insertable into the interior compartment for effecting a high-pressure seal for preventing leakage of the solvent mixture, while enabling access to the interior of the mixing chamber for maintenance purposes without the need for a tool.