Method and machine for the production of composite filter mouthp

Details Method and machine for the production of composite filter mouthp Method and machine for the production of composite filter mouthp

1976-02-09

1977-07-19

Coan, James F.

A24C 550

Patent

active

040361195

ABSTRACT:
Filter mouthpieces with one or more thin filter disks consisting of a first filter material and one or more filter plugs consisting of a second filter material are produced by inserting filter disks between spaced-apart filter plugs which form a single file and travel with a web of wrapping material. The web is thereupon draped around the alternating filter disks and filter plugs to form therewith a continuous filter rod which is severed to yield discrete filter mouthpieces.

REFERENCES:
patent: 3357320 (1967-12-01), Sexstone et al.
patent: 3517480 (1970-06-01), Pinkham
patent: 3757649 (1973-09-01), Labbe
patent: 3854384 (1974-12-01), Naylor

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