Coating processes – Solid particles or fibers applied – Fluidized bed utilized
Patent
1985-08-05
1986-06-17
Morgenstern, Norman
Coating processes
Solid particles or fibers applied
Fluidized bed utilized
118307, 118308, 118310, 118316, 118323, 118620, 427195, 427196, 427197, 427327, B05D 124
Patent
active
045956073
ABSTRACT:
An apparatus and method for heating and coating a section of a pipe comprising a plurality of induction type heaters supported in spaced circumferential relation around the pipe section, the heaters having relatively flat and hollow induction coils therein, the coils of the induction heaters being oriented in a cylindrical surface adjacent to, and parallel with, the surface of the pipe, a coating dispenser mounted between a pair of induction heaters for dispensing a coating material on the surface of the pipe, the heaters and dispenser being rotated as a single assembly around the pipe while simultaneously applying an alternating electric potential to the induction heaters to heat the pipe to a suitable application temperature for a coating material, the coating material being applied to the thus-heated pipe through the dispenser while continuing to rotate the assembly, water being passed through the copper coils to keep them cool during the heating of the pipe.
REFERENCES:
patent: 3108022 (1963-10-01), Church
patent: 3218184 (1965-11-01), Lemelson
patent: 3946125 (1976-03-01), Scheiber
patent: 4237817 (1980-12-01), Hurt et al.
patent: 4308819 (1982-01-01), Hart
Betteridge John W.
Carlson Gregory H.
Carlson, Sr. Ronald E.
Hart Milburn L.
Bell Janyce A.
Dorman William S.
Morgenstern Norman
Resource Engineering and Manufacturing Corp.
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