Filter assembly apparatus

Details Filter assembly apparatus Filter assembly apparatus

1993-05-03

1995-07-04

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Assembling or disassembling of distinct members

533823, 55511, 493386, 493941, B31D 504

Patent

active

054295807

ABSTRACT:
Apparatus for use in a filter assembly operation wherein filter components are seated within a filter frame such that the frame has a generally upstanding leading flap, side flaps and a trailing flap. The apparatus includes side flap engaging members adapted to push the pair of side flaps outwardly to provide clearance necessary to close the leading and trailing flaps. A stationary ski member located downstream of the side edge engaging members is adapted to close the leading edge, and a retractable ski member located at least partially upstream of the retractable side flap engaging members is adapted to close the trailing flap, thereby permitting the side flaps to be subsequently closed in at least partially overlapping relationship with the leading and trailing flaps. A related method is also disclosed.

REFERENCES:
patent: 2161831 (1939-06-01), Manning
patent: 3374604 (1968-03-01), Roesner
patent: 3452653 (1969-07-01), Berney
patent: 4210067 (1980-07-01), Evans, Jr.
patent: 4233798 (1980-11-01), Helding
patent: 4570844 (1986-02-01), Wysocki
patent: 4731047 (1988-03-01), Lobb
patent: 4737174 (1988-04-01), Pontius
patent: 5058361 (1991-10-01), Schmacher

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