Maintaining plasticizer temperature in tobacco filter rod format

Details Maintaining plasticizer temperature in tobacco filter rod format Maintaining plasticizer temperature in tobacco filter rod format

1975-03-12

1977-04-26

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

93 1C, 93 77FT, 118 5, 156441, 156578, 236 345;93, G05G 1500

Patent

active

040199428

ABSTRACT:
The temperature of the plasticizer material which is applied to a tow band of filter material in a cigarette rod forming operation is maintained at substantially the ambient temperature of the environment in which the forming operation is being carried out thereby to provide substantially constant viscosity of the plasticizer, the temperature being maintained by circulating a cooling fluid through the plasticizer source to maintain it at a temperature of about 70.degree. F. to about 80.degree. F. Apparatus for maintaining the source temperature in the prescribed range also is disclosed.

REFERENCES:
patent: 3029612 (1962-04-01), Victor
patent: 3043736 (1962-07-01), Tovey
patent: 3186688 (1965-06-01), Michael
patent: 3365346 (1968-01-01), Fritz et al.
patent: 3741846 (1973-06-01), Greve
patent: 3759217 (1973-09-01), Wiegmann
patent: 3902406 (1975-09-01), Reichert

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