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. 01, 1981
Filed:
Feb. 28, 1980
Applicant:
Inventor:
Lucas J Conrad, Winston-Salem, NC (US);
Assignee:
R. J. Reynolds Tobacco Company, Winston-Salem, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
414221 ; 100221 ; 222450 ; 406198 ; 251 611 ;
Abstract
The method of transferring the material between a first and second zone having different atmospheres of a first and second fluid utilizing spaced sealing members and a liner extending between sealing members, said sealing members and liner adapted to be manipulated in a sequence to permit the material to pass from the first zone to the second zone without an admixing of the atmosphere.