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

1980-07-11

1982-04-13

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Surface deformation means only

131 91, 264293, 425290, 425291, 493 42, 493 43, A24D 304

Patent

active

043245404

ABSTRACT:
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.

REFERENCES:
patent: 3306306 (1967-02-01), Rudszinot
patent: 3804695 (1974-04-01), Randall
patent: 4075936 (1978-02-01), Bergen
patent: 4149546 (1979-04-01), Luke
patent: 4164438 (1979-08-01), Lebet

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