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. 26, 1991
Filed:
Jul. 25, 1989
Applicant:
Inventors:
Jack C Wheless, Richmond, VA (US);
Billy J Keen, Jr, Chesterfield, VA (US);
Renzer R Ritt, Sr, Richmond, VA (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24C / ;
U.S. Cl.
CPC ...
131 88 ; 131 89 ; 131 91 ; 131 92 ; 131 93 ; 131 94 ;
Abstract
An apparatus for cutting and forming tubular members useful for positioning heat sources inside a smoking article is disclosed. The tubular members are carried by a plurality of fluted drums from one operation to the next. The tubular members are cut to the desired size by a plurality of rotating circular knives. The ends of the tubular members are then formed by one or more dies that are caused to move into contact with the ends of the tubular members.