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Class 131/281 - Including perforating


Subclass of Class 131 - Tobacco
Definition: Process or apparatus including means for penetrating, slitting,
No. of patents: 123
Last issue date: 08/25/2009


      4  
NumberTitleIssue Date
4121595Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products
Webs which are to be converted into wrappers for filter rod sections, cigars, cigarillos or cigarettes, or the wrappers of such articles, are perforated by one or more laser beams in the machine wherein the articles are produced. The permeability of wrapp...
10/24/1978
4061148Perforating apparatus for articles
A cigar perforator comprises opposing sets of perforating needles which reciprocate at right angles to the cigar to perforate and withdraw from it. The cigar is held during perforation between apertured plates, each aperture having a stripper plate mounte...
12/06/1977
4047535Method of and apparatus for improving smoking properties of tobacco products
An apparatus for producing radial perforations in cigars or the like comprising a pair of rotating rolls, one having axial recesses in the surface to receive the cigars and the other having opposed pressure application strips, and fine, sharp needles proj...
09/13/1977
      4  
 
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