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. 04, 1997
Filed:
Oct. 19, 1995
Applicant:
Inventors:
Lucas Jones Conrad, Winston-Salem, NC (US);
Jackie Lee White, Pfafftown, NC (US);
Assignee:
R. J. Reynolds Tobacco Company, Winston-Salem, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ;
U.S. Cl.
CPC ...
131291 ; 993234 ;
Abstract
An apparatus for expanding tobacco includes a chamber having a spool and shell arrangement and a device for compressing tobacco into the shell for impregnation. The spool includes first and second cylindrical end members and a connecting rod between the first and second end members. A seal is provided between the outer surface of the end members and the shell. Expansion agent is introduced into the chamber to impregnate the tobacco for expansion.