Electric heating – Metal heating – By arc
Patent
1984-04-16
1985-07-30
Albritton, C. L.
Electric heating
Metal heating
By arc
219121EC, B23K 1500
Patent
active
045324034
ABSTRACT:
By coating a workpiece with a uniform layer of polyimide containing surfactant upon the nonweld areas, spatter produced in electron beam welding of the workpiece is prevented from adhering to the workpiece surface in the nonweld areas. The polyimide coating is so constituted as to be adherent, heat stable, acid resistant, and chemically removeable. Silicone surfactant is preferred.
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Adinolfi Robert G.
Jordan Lester W.
Loersch Joseph F.
Albritton C. L.
Gwinnell Harry J.
United Technologies Corporation
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