Method and apparatus for moving bulk material through a chute

Details Method and apparatus for moving bulk material through a chute Method and apparatus for moving bulk material through a chute

1989-01-11

1990-11-27

Rolla, Joseph J.

Dispensing

Processes of dispensing

222196, 222200, 366108, 193 2B, 198533, B65G 4704

Patent

active

049729705

ABSTRACT:
Bulk material that is difficult to feed, such as glass fibers, is fed from a storage bin into a feeding chute driven by a vibratory drive which vibrates the chute in a longitudinal direction of the chute, that is, in the feed advance direction of the chute. The chute may be a so-called loss-in-weight feeding chute. In order to assure a uniform, constant material flow without any bunching and without any gaps in the flow for an accurate feeding, the material flow is exposed or influenced by a further vibration effective in a direction substantially across the feed advance direction. For the purpose a vibrator with vibrating elements extending in the feed advance direction vibrates in the cross-direction. These vibrating elements are so located that they can make the material flow through the chute more uniform.

REFERENCES:
patent: 2801773 (1957-08-01), Vitkin
patent: 3601870 (1971-08-01), Jones
patent: 3643820 (1972-02-01), Hammond
patent: 4346802 (1982-08-01), Popper
patent: 4475671 (1984-10-01), McCorkel
patent: 4527747 (1985-07-01), Scharmer et al.

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