Helical pulp grinder
United States Patent 3143305
US Patent References:
Automatic abrading machine
- - 2377991

Masonry saw
- - 2492684

Log debarking apparatus
- - 2912023


Inventors:
Hess, Loyal H.
Lloyd, Hornbostel
Publication Date:
08/04/1964
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Assignee:
BELOIT IRON WORKS
Primary Class:
241/279
Other Classes:
451/285, 451/236, 451/280
International Classes:
D21B1/06; D21B1/00
Foreign References:
DE359688C