Process for scrapless forming of plastic articles

Details Process for scrapless forming of plastic articles Process for scrapless forming of plastic articles

1972-11-24

1977-03-29

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 71, 264 92, 264119, 264126, 264322, 264325, 264338, B06B 300

Patent

active

040149650

ABSTRACT:
Plastic articles without foam spots are produced by an improved powder forming process wherein a powder of normally solid, thermoplastic polymer is compacted by means of vibratory energy into briquettes which are subsequently forged and formed into articles of fused polymer.

REFERENCES:
patent: 2198612 (1940-04-01), Hardy
patent: 2246165 (1941-06-01), Dawihl
patent: 2384215 (1945-09-01), Toulmin
patent: 2645836 (1953-07-01), Sorensen
patent: 2747231 (1956-05-01), Reinhardt
patent: 3152082 (1964-10-01), Davis
patent: 3555605 (1971-01-01), Angelotti
SPE Journal, Jan. 1969, vol. 25, pp. 50-54, by P. M. Coffman.
Journal of Polymer Science, vol. XIII, pp. 565-582 by K. Deutsch et al., 1954.
Poly (1-Butene) -its preparation & properties, I. D. Rubin, Gordon & Breach, N.Y., 1968, pp. 61-67.
SPE Journal, May 1959, by L. T. Muus et al., pp. 368- 372.
SPE Journal, Dec. 1968, vol. 24, by A. C. Werner et al., pp. 76-79.

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