Outlet valve for hoppers
United States Patent 2789739
US Patent References:
/0719868.html
- - 0719868

Dispensing device
- - 1654050

/1692276.html
- - 1692276

Material-retaining gate
- - 1746410

Oscillating feeder
- - 2620946


Inventors:
Aller, Edmund R.
Publication Date:
04/23/1957
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Assignee:
Gen, Transport AM.
Primary Class:
222/556
Other Classes:
105/247
International Classes:
B61D7/16; B61D7/00
US Patent References:
2638254Compression sealing gate for storage bins and hoppers