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:
Dec. 07, 1993
Filed:
Sep. 04, 1991
Applicant:
Inventors:
Warren A Brackmann, Mississauga, CA;
Stanislav M Snaidr, Mississauga, CA;
Takeshi Nehyo, Willowdale, CA;
Michael H Sheahan, Whitby, CA;
Assignee:
Rothmans, Benson & Hedges Inc., North York, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24C / ;
U.S. Cl.
CPC ...
1311091 ; 131108 ;
Abstract
Fibrous materials are opened from a metered flow thereof using an opening roller and are subjected to a controlled and adjustable further opening operation to input desirable properties to the fibers. The invention is particularly described with respect to cut tobacco fibers and glass fibers.