Method for producing tobacco smoke filters

Details Method for producing tobacco smoke filters Method for producing tobacco smoke filters

1983-02-14

1985-06-25

Millin, V.

Manufacturing container or tube from paper; or other manufacturi

Cigarette filter making

With shaping or compacting of filter material

493 43, 493 45, 493 47, 493 49, 493 50, 131341, 131344, A24C 550

Patent

active

045251614

ABSTRACT:
A method is disclosed for producing tobacco smoke filters wherein a continuous tube of smoke filtration material is ensheathed in a smoke-pervious layer of fibrous material. The ensheathed tube is cut into discrete lengths and in each of the lengths a cross section of the ensheathed material is rendered impervious to the passage of tobacco smoke and the tube is closed at a distance spaced longitudinally from the cross section.

REFERENCES:
patent: 2688380 (1954-09-01), MacHenry
patent: 3079930 (1963-03-01), Coff
patent: 3805682 (1974-04-01), Lyon et al.
patent: 3847064 (1974-11-01), Berger
patent: 4024012 (1977-05-01), Sigman
patent: 4292032 (1981-09-01), Luke

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