Treating materials
United States Patent 3416192

Inventors:
Packard, Thomas D.
Publication Date:
12/17/1968
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Assignee:
BIRD MACHINE CO
Primary Class:
425/374
International Classes:
B31F1/14; D06C21/00; B31F1/00
US Patent References:
3019746Extruding apparatus
3112527Adjustable flexible orifice for extrusion of foam plastics
3195183Extrusion dies
3220056Treatment of sheet materials
3260778Treatment of materials




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