Apparatus for cigarette filter manufacture

Details Apparatus for cigarette filter manufacture Apparatus for cigarette filter manufacture

1976-07-28

1977-07-19

Kaplan, Morris

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118 68, 118411, A24C 550, B05C 502

Patent

active

040361144

ABSTRACT:
The invention relates to an apparatus for treating porous wrapping material for a smoking article, for example a cigarette filter. According to the invention, the porous material is provided, by coating with a film-forming substance, with an impervious region or regions positioned to coincide with a region or regions at which adhesive is to be applied, the said substance being dried or set before such adhesive is applied. Thus, a line or lines of the film-forming substance may be applied to the same face of the wrapping material as a line or lines of adhesive for sealing the wrap and/or anchoring filtering material thereto, namely to that face which will be on the inside of the wrap formed from the said material.

REFERENCES:
patent: 2149896 (1939-06-01), McArdle et al.
patent: 2170140 (1939-08-01), Grupe
patent: 2868685 (1959-01-01), Downs et al.
patent: 3563781 (1971-02-01), Johnson
patent: 3844199 (1974-10-01), Block et al.

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