Fusion processing of synthetic thermoplastic resinous materials

Details Fusion processing of synthetic thermoplastic resinous materials Fusion processing of synthetic thermoplastic resinous materials

1980-03-03

1981-09-15

Beck, Shrive P.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

118302, 118312, 239 8, 239 13, 239134, 239139, 427422, B05B 100, B05D 102, B05B 124, B05D 112

Patent

active

042898072

ABSTRACT:
Apparatus and method for the fusion processing of synthetic thermoplastic resinous materials, utilizing a first high-velocity stream of gas to transport the resinous material through an elongated passageway which directs the stream of gas and transported material onto a workpiece, thereby fusing the resinous material. The elongated passageway is defined by at least one wall having a plurality of foramina or pores through which a second stream of gas is directed to heat the resinous material to a fusion temperature and to provide a slip stream on the inner surface of the wall thereby preventing the resinous material from sticking to the surface. The first stream of gas may be heated to initiate or supplement the heating of the resinous material.

REFERENCES:
patent: 1825131 (1931-09-01), Shepherd
patent: 1971804 (1934-08-01), Alexander
patent: 2101922 (1937-12-01), Stoesling
patent: 2355225 (1944-08-01), MacWilliam
patent: 2511797 (1950-06-01), Hochberg
patent: 3075066 (1963-01-01), Yenni et al.
patent: 3677471 (1972-07-01), Deakin
patent: 3715076 (1973-02-01), Kenderi
patent: 3901184 (1975-08-01), Payne et al.
patent: 3958758 (1976-05-01), Piorkowski

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