Core inserter for filters

Details Core inserter for filters Core inserter for filters

1974-09-30

1976-03-23

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Assembling or joining

291635F, 29200R, 29211R, 29211M, 29235, 93 94M, B23P 1102

Patent

active

039451089

ABSTRACT:
Method and apparatus for repetitive insertion of filter cores into filters in an automatic manner wherein filter elements of closed loop accordion-pleated configuration are fed to the apparatus and accelerated substantially downwardly upon an upright "wand" having a configuration which cooperates with a "squeezer" mechanism to stretch the upper end of a filter element somewhat to enlarge its central opening. A core is dispensed from a hopper to a swingable reciprocating core catcher which positions a core above a filter element previously positioned on the wand. A plunger is timed to move abruptly downwardly thereby forcing the core completely into the enlarged central opening in the filter element, whereupon the wand is abruptly swung generally downwardly to a take-off position to eject the completed assembly into a suitable collection hopper. The above mentioned operations are continuously repeated at a substantially rapid rate.

REFERENCES:
patent: 2550070 (1951-04-01), Brecque et al.
patent: 2731183 (1956-01-01), Shaw
patent: 3010867 (1961-11-01), Sannipoli et al.
patent: 3106528 (1963-10-01), Burks
patent: 3315338 (1967-04-01), Tigges

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