Molding process for the fabrication of hollow shaped articles

Details Molding process for the fabrication of hollow shaped articles Molding process for the fabrication of hollow shaped articles

1977-12-07

1980-08-05

Woo, Jay H.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

264 406, 264209, 264540, 366340, 4251331, 425144, 425378R, 425380, B29D 2304, B29C 1707

Patent

active

042162530

ABSTRACT:
Hollow shaped articles are extruded, advantageously continuously extruded, from molten thermoplastics by controlled cooling of the molten charge prior to entry into an extrusion die.

REFERENCES:
patent: 3060505 (1962-10-01), Brasie
patent: 3283041 (1966-11-01), Sommerfeld
patent: 3404203 (1968-10-01), Donald
patent: 3574808 (1971-04-01), Matthews et al.
patent: 3666649 (1972-05-01), Williams et al.
patent: 3806097 (1974-04-01), Devellian et al.
patent: 3868436 (1975-02-01), Ootsuji et al.
patent: 3911073 (1975-10-01), Massance
patent: 3980746 (1976-09-01), Carrow
patent: 4022858 (1977-05-01), Cavanna et al.

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