Apparatus for heating the adhesive-containing seams of wrappers

Details Apparatus for heating the adhesive-containing seams of wrappers Apparatus for heating the adhesive-containing seams of wrappers

1996-12-05

1999-01-26

Millin, Vincent

Tobacco

Cigar or cigarette making

Wrapping devices

131 69, 131 841, 219260, 219270, A24C 514

Patent

active

058628070

ABSTRACT:
A sealer for the adhesive-containing seam of a tubular wrapper surrounding a running filler of tobacco or filter material for tobacco smoke has an at least partially ceramic heating device which contacts the moving seam and contains an electric conductor of ceramic material. The temperature of the heating device can be regulated to decrease, either stepwise or gradually, in the direction of movement of the seam. The heating device can consist of or contain silicon nitride and can be doped with titanium nitride to enhance its heat conductivity.

REFERENCES:
patent: 3575766 (1971-04-01), McArthur et al.
patent: 3974007 (1976-08-01), Greve
patent: 3996447 (1976-12-01), Bouffard et al.
patent: 4480644 (1984-11-01), Luke
patent: 4721119 (1988-01-01), Ludszeweit et al.
patent: 5191381 (1993-03-01), Yuan

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