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:
Jun. 13, 1978
Filed:
Sep. 13, 1976
Applicant:
Inventors:
Donald L Kime, Vandalia, OH (US);
Ronald G Stogdill, Trotwood, OH (US);
Assignee:
Chemineer, Inc., Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 41 ; 277 62 ;
Abstract
A mechanical seal and rotating agitator shaft assembly for effecting sealing between the shaft and the wall of the opening through which it extends into a mixer tank includes a sleeve dimensioned for removable mounting on the shaft and serving as a support for the rotating seal assembly which includes a sealing ring arranged for sealing against a glass coated portion of the shaft to prevent access of the contents of the tank to any metal part of the seal and shaft assembly. In the preferred embodiment, the shaft includes a glass coated boss located below the sleeve for engagement by the sealing ring.