Heating – Work chamber having heating means – Heating tube – element – or flue traverses work space
Patent
1978-03-14
1979-07-17
Camby, John J.
Heating
Work chamber having heating means
Heating tube, element, or flue traverses work space
1263435A, 432210, F27B 514, E01C 1945
Patent
active
041613910
ABSTRACT:
Apparatus for melting solid particles of synthetic polymer is provided which features an enclosure in which at least one annular member and a heating unit are disposed. The heating unit zigzags in cross-section across the enclosure between the annular member and enclosure inlet. Jacket means substantially surrounds the enclosure at and downstream of a point corresponding to the heating unit. The annular member, heating unit, and jacket means are heated, preferably in series, to above the melt temperature of the solid synthetic polymer particles to provide melting surfaces for the polymer. The molten polymer is withdrawn through an outlet in the base of the enclosure.
REFERENCES:
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patent: 2253176 (1941-08-01), Graves
patent: 2295942 (1942-09-01), Fields
patent: 2300083 (1942-10-01), Worthington
patent: 2437687 (1948-03-01), Dreyfus et al.
patent: 2515136 (1950-07-01), Pigott
patent: 2869848 (1959-01-01), Dickie et al.
patent: 2877495 (1959-03-01), Wegener et al.
patent: 2916262 (1959-12-01), Flores
patent: 3180630 (1965-04-01), Endres et al.
patent: 3197813 (1965-08-01), Le Grand
Encyclopedia of Polymer Science and Technology, vol. 8, pp. 377-382 (1968).
Allied Chemical Corporation
Anderson Richard A.
Camby John J.
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