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:
Mar. 10, 1981
Filed:
Dec. 21, 1979
Applicant:
Inventors:
Wilhelm Geiger, Baumenheim, DE;
Adolf Swozil, Kuhlenthal, DE;
Assignee:
Sigri Elektrographit Gesellschaft mit beschrankter Haftung, Meitingen bei Augsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
2611 / ; 52246 ; 202158 ; 202270 ; 261 94 ; 2611 / ;
Abstract
Seal in a column with one or a plurality of trays in which the trays have at their periphery circular recesses in the form of a circular slot. Profiled seals resting against the wall of the column engage in the recesses. The trays have blind holes which at a distance from the periphery of the tray extending down through the circumferential surface through the circular slot. Locking means, preferably wedges, engage in the blind holes to press with adjustable pressure, the profiled seals against the wall of the column.