Plastic article or earthenware shaping or treating: apparatus – Means providing a shaping orifice – Single inlet – plural shaping orifices
Patent
1977-02-25
1978-05-09
Husar, Francis S.
Plastic article or earthenware shaping or treating: apparatus
Means providing a shaping orifice
Single inlet, plural shaping orifices
425382R, B29F 304
Patent
active
040884333
ABSTRACT:
An extrusion die having a plurality of orifices arranged therein so that the number of orifices per unit area in the plane of the external die face is larger near the periphery of the die face than near the center thereof provides for the extrusion of material through all the die orifices at a relatively uniform linear velocity.
Hartman Richard C.
Henderson Lannas S.
Husar Francis S.
Rosenbaum Mark
Union Oil Company of California
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