Suction conveyor

Details Suction conveyor Suction conveyor

1976-10-22

1978-08-22

Love, John J.

Conveyors: power-driven

Conveyor section

Having means to enhance the friction or adherence between...

271196, 271276, B65G 1746

Patent

active

041083024

ABSTRACT:
A suction conveying device which has a belt conveyor and at least one vacuum chamber extending parallel to the conveyor belt characterized by an obturator engaging an upper surface of the vacuum chamber to close the opening therein when a blank is not engaged thereon. The obturator is preferably a resilient sheet of spring steel which is lifted from a position closing the openings by the movement of a blank across the opening.

REFERENCES:
patent: 2391170 (1945-12-01), Labombarde
patent: 2481934 (1949-09-01), Langston
patent: 3131929 (1964-05-01), Rehm
patent: 3222730 (1965-12-01), Kalwaites
patent: 3366221 (1968-01-01), Preisig
patent: 3388905 (1968-06-01), Nash et al.
patent: 3405935 (1968-10-01), MacNeill
patent: 3858709 (1975-01-01), Banyas et al.
patent: 3961697 (1976-06-01), Hartman et al.

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