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:
May. 18, 1993
Filed:
Jul. 09, 1990
Applicant:
Inventors:
George S Boswell, Richmond, VA (US);
Joao C Gomes, Richmond, VA (US);
Joseph P Maciejczyk, Chester, VA (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24C / ; A24B / ;
U.S. Cl.
CPC ...
1311091 ; 1311092 ; 131108 ;
Abstract
A mechanism for removal of contaminants from a stream of material having a plurality of rotatable cylindrical doffer elements each having flights supplied with cleaning means thereon mounted substantially parallel to one another within a frame. The mechanism is provided with means for adjusting both the positions along the frame of the doffer elements as well as the vertical elevation of the doffer elements with respect to the frame.