Die for manufacturing co-extruded structural shapes

Details Die for manufacturing co-extruded structural shapes Die for manufacturing co-extruded structural shapes

1994-02-28

1994-11-15

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

264173, 2642098, 264515, 425207, B29C 4706

Patent

active

053642546

ABSTRACT:
A die for co-extruding structural shapes is provided with a central cylindrical duct through which the molten polymeric material destined to constitute the central core of the structural shape flows, and a conical gap, coaxial with the central duct, into which the polymeric coating material is fed which will constitute the outer skin of the structural shape.

REFERENCES:
patent: 3308508 (1967-03-01), Schrenk
patent: 3365750 (1968-01-01), Donald
patent: 3649143 (1972-03-01), Popesh et al.
patent: 4047868 (1977-09-01), Kudo et al.
patent: 4134952 (1979-01-01), Yoshikawa et al.
patent: 4167383 (1979-09-01), Murakami et al.
patent: 4182603 (1980-01-01), Knihel
patent: 4185954 (1980-01-01), Murakami et al.
patent: 4298325 (1981-11-01), Cole
patent: 4364882 (1982-12-01), Doucet
patent: 5064364 (1991-11-01), Muller-Erwig
patent: 5069612 (1991-12-01), Teutsch et al.

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