Method and apparatus for making composite filter plugs

Details Method and apparatus for making composite filter plugs Method and apparatus for making composite filter plugs

1975-07-17

1977-03-08

Coan, James F.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198420, B65G 4752

Patent

active

040106780

ABSTRACT:
Composite filter plugs or mouthpieces for use in filter cigarette making machines are manufactured by moving rod-like filter components or elements of two or more types sideways or partly sideways and shuffling the filter elements to form a series of groups of assorted coaxial filter elements, pneumatically conveying successive groups of filter elements axially or substantially axially by directing a stream of compressed air against the last filter element of each group, converting the pneumatically conveyed groups of filter elements into a continuous line or file of filter elements, draping a continuous web of cigarette paper or the like around the line of filter elements to form a continuous filter rod, and subdividing the rod into discrete filter plugs each of which contains at least a portion of at least one filter element of each of the several types of filter elements.

REFERENCES:
patent: 2898998 (1959-08-01), Schur
patent: 2953878 (1960-09-01), Schur
patent: 3487754 (1970-01-01), Flasdieck
patent: 3527347 (1972-09-01), Marradi
patent: 3688652 (1972-09-01), Brodeck
patent: 3789744 (1974-02-01), Wahle

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