Method for coating soot on a melt contact surface

Details Method for coating soot on a melt contact surface Method for coating soot on a melt contact surface

1987-11-20

1989-11-07

Lawrence, Evan

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264338, 427 27, 427 28, 427133, B28B 738, B05D 106

Patent

active

048790745

ABSTRACT:
A method of coating on a melt contact surface such as that of an injection sleeve for casting, a plunger end face or a mold cavity comprises a step of charging the soot and the melt contact surface with opposite electrical polarities to thereby cause an electrodeposition of the charged soot on the melt contact surface. A preferred apparatus for the soot coating comprises means for producing an air stream surrounding a combustion gas stream including the soot and forming an air curtain for preventing the sprayed soot from scattering.

REFERENCES:
patent: 2788296 (1957-04-01), Louis
patent: 3165567 (1965-01-01), Olson
patent: 3892827 (1975-07-01), Keller et al.
patent: 4748796 (1988-06-01), Viel

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