Method and apparatus for perforating an assembled filter...

Details Method and apparatus for perforating an assembled filter... Method and apparatus for perforating an assembled filter...

A - Human Necessities

24

D

131/80

A24D 3/00 (2006.01) A24C 5/60 (2006.01)

Patent

CA 1093416

METHOD AND APPARATUS FOR PERFORATING AN ASSEMBLED FILTER USED ON A SMOKING PRODUCT Abstract of the Disclosure This invention relates to a method and apparatus for perforating the walls of an assembled filter element used on smoking products including a continuously moving conveying means for receiving a plurality of said filter elements and means for retaining said assembled filter elements on said conveying means, a plurality of piercing elements positioned at right angles to the direction of movement of said assembled filter elements, and a means for manipulating the piercing elements so that it penetrates and withdraws from the walls of the filter element.

317635

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