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:
Feb. 13, 2001
Filed:
Nov. 30, 1999
Applicant:
Inventors:
William John Stone, Southampton, GB;
Ian Ernest Tatham, Purley, GB;
Werner Hirsch, Hamburg, DE;
Arno Eugen Weiss, Norderstedt, DE;
Assignee:
British American Tobacco (Investments) Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 1/700 ;
U.S. Cl.
CPC ...
F26B 1/700 ;
Abstract
A pneumatic conveyance tobacco dryer which includes a conveyance duct having a first portion, a second, upwardly extending portion and a third, curved portion intercommunicating the first and second portions. A tobacco feed chute extends downwardly and opens into the second portion of the duct. The geometry of the dryer at and in the region of the feed chute is such as to effect the object of reducing the contact of tobacco particles with the inner surfaces of the conveyance duct.