Apparatus for applying uniform metal coatings

Details Apparatus for applying uniform metal coatings Apparatus for applying uniform metal coatings

1993-05-15

1995-07-11

Niebling, John

Dispensing

Processes of dispensing

Molten metal

118620, C23C 400

Patent

active

054313155

ABSTRACT:
An apparatus for coating the surface of a substrate with a coating material, which apparatus includes a chamber into which the material is supplied in a pressurized molten state from a source thereof. The molten material is subjected to vibrations within the chamber and is forced out of the chamber through one or more orifices so that the vibration breaks up the molten material exiting from the orifices into uniform sized droplets. A charging plate places a charge on each of the droplets and supplies the charged droplets via one or more corresponding orifices in the charging plate for use in coating the substrate. The charging of the droplets maintains the uniform size of the droplets as they are applied to the substrate. The droplets are further maintained in an oxygen-free atmosphere as they pass from the chamber to and through the charging plate. Each of the components of the apparatus is made as a separate module so that the overall apparatus can be readily assembled and disassembled.

REFERENCES:
patent: 4264641 (1981-04-01), Mahoney et al.
patent: 4762553 (1988-08-01), Savage et al.
patent: 4871489 (1989-10-01), Ketcham
patent: 4886547 (1989-12-01), Mizukami et al.
patent: 5062936 (1991-11-01), Beaty et al.
patent: 5266098 (1993-11-01), Chun et al.

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