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:
Mar. 18, 1980
Filed:
Feb. 22, 1978
Applicant:
Inventors:
Robert E Williams, Deptford, GB;
Clifford R Marritt, Richmond, VA (US);
Assignee:
Molins, Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24C / ;
U.S. Cl.
CPC ...
1311 / ; 131 / ;
Abstract
A cigarette perforating device for filter cigarettes in which the cigarettes are rolled between a drum and a rolling plate carrying perforator pins. The rolling plate is mounted on a pivot arm which is held in the operative position by an adjustable permanent magnet latch so that when a predetermined increase in pressure occurs in the device, due to a jam, the rolling plate can move away from the drum. This action also operates a switch controlling an electromagnetic catch retaining a conveyor carrying cigarettes away from the perforator so that damaged cigarettes are then dropped to waste.