Apparatus for making grooves in tobacco smoke filters

Details Apparatus for making grooves in tobacco smoke filters Apparatus for making grooves in tobacco smoke filters

A - Human Necessities

24

D

131/80

A24D 3/04 (2006.01) B29D 99/00 (2010.01) A24D 3/02 (2006.01)

Patent

CA 1166542

UNITED STATES PATENT APPLICATION of JOHN SEXSTONE and TOM LEWIS and KEN MILLINER for APPARATUS FOR MAKING GROOVES IN TOBACCO SMOKE FILTERS ABSTRACT OF THE DISCLOSURE Cigarette filters having grooves therein are prepared by subjecting cigarette filters to a groove-making device which includes heated groove-making elements therein, the grooves being formed by the use of heat and pressure as the cigarette filters come in contact with the groove- making elements.

377582

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