Extrusion dies
United States Patent 3298062
US Patent References:
Production of net-like structures
- - 2919467
Method and apparatus for producing extruded structural board
- - 3019483
Extrusion apparatus
- - 3172154
Production of net-like structures
- - 2919467
Method and apparatus for producing extruded structural board
- - 3019483
Extrusion apparatus
- - 3172154
Inventors:
James, Nicholl Peter
Publication Date:
01/17/1967
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Assignee:
BROWN & WILLIAMSON TOBACCO
Primary Class:
Other Classes:
425/382.200, 425/382R
International Classes:
A24B3/14; D01D4/00; D01D4/02; A24B3/00