Process and die for extrusion of a resinous material

Details Process and die for extrusion of a resinous material Process and die for extrusion of a resinous material

1975-04-03

1977-11-01

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With prevention of equipment fouling accumulations or deposits

264177F, 425461, 425464, D01D 110, B28B 2154

Patent

active

040565971

ABSTRACT:
A resinous material is extruded through an orifice in a die to produce a strand, the orifice having an inlet zone, a cylindrical zone and an outlet zone, the inlet zone converging in the direction of flow of the resinous material and attached to one end of the cylindrical zone and the outlet zone diverging in the direction of flow of the resinous material and attached to the other end of the cylindrical zone. A die for extrusion of a resinous material is provided.

REFERENCES:
patent: 2164750 (1939-07-01), Nadler
patent: 2245608 (1941-06-01), Rogers
patent: 2491588 (1949-12-01), Shively
patent: 2677148 (1954-05-01), Webb
patent: 3008434 (1961-11-01), Maldari
patent: 3123858 (1964-03-01), McDermott
patent: 3461193 (1969-08-01), Gilardi
patent: 3558420 (1971-01-01), Opfell
patent: 3737506 (1973-06-01), Martin et al.

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