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:
Feb. 11, 1986
Filed:
Mar. 13, 1984
Applicant:
Inventors:
John R Nowers, London, GB;
Robert E Williams, High Wycombe, GB;
Assignee:
Molins PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24C / ;
U.S. Cl.
CPC ...
131281 ; 131905 ; 73 377 ;
Abstract
Apparatus for making ventilated cigarettes, includes a first perforator which is not readily susceptible to control and is arranged to perforate the tipping paper by which cigarettes are joined to filter portions, or to perforate the completed filter cigarettes. A controllable perforator is arranged to form additional perforations in the tipping paper prior to assembly of the filter cigarettes; and a control circuit is arranged to control the controllable perforator in response to a porosity measuring device and/or in response to a cigarette dilution testing device.