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. 27, 1990
Filed:
May. 24, 1989
Applicant:
Inventors:
Bernard C Kiernan, Richmond, VA (US);
Bernard A Semp, Richmond, VA (US);
John M Whitman, Lawrenceville, NJ (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ; A23C / ;
U.S. Cl.
CPC ...
131353 ; 131356 ; 131357 ; 131370 ; 131372 ; 426582 ;
Abstract
An apparatus and method for manufacturing tobacco sheet material comprising the steps of acoustic mixing with ultrasonic vibration a slurry containing tobacco components and forming sheets of tobacco material by casting the slurry after acoustic mixing. Additionally, the slurry is mixed with subsonic vibration and low shear mixing before the slurry is acoustic mixed. The slurry may include sized tobacco stems, sized tobacco dust and extract solution.