Conveyors: power-driven – Conveyor section – Having means to enhance the friction or adherence between...
Patent
1986-10-31
1989-02-14
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Having means to enhance the friction or adherence between...
198817, 198842, 271197, 271276, B65G 1746, B65G 4791
Patent
active
048040819
ABSTRACT:
The apparatus comprises a vacuum channel (15), and two parallel endless belts (3), which extend on opposite sides of said vacuum channel. The working courses (3a) of said belts have forward surfaces which extend substantially in a common plane (6). The belts (3) are synchronously driven in the same direction. The vacuum channel is provided on the forward side of an elongate carrier (1) and communicates through at least one suction port (21) with a vacuum source. The working course (3a) of each of said belts (3) is in contact on the rear with backing rollers (14).
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patent: 3952861 (1976-04-01), Holmquist et al.
patent: 4411420 (1983-10-01), Louis et al.
patent: 4555013 (1985-11-01), Franklin
Doyle Jennifer L.
Lenhardt Maschinenbau GmbH
Spar Robert J.
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