Apparatus and method for spray painting of an article

Details Apparatus and method for spray painting of an article Apparatus and method for spray painting of an article

1996-12-20

1999-01-26

Beck, Shrive

Coating processes

Spraying

Heated coating material

427421, 427426, 427479, 118302, 239 13, B05D 102, B05D 104

Patent

active

058636137

ABSTRACT:
An apparatus and method for spray painting of an article where the paint is heated to reduce the viscosity prior to being fed to a paint spray device such as an electrostatic paint spray device. A heat exchange unit is provided between each of a plurality paint supply sources and a paint spray device of a paint spray station, the heat exchange unit located closely adjacent to a respective paint spray device such that only paint being supplied to a paint spray device is heated by a respective heat exchange unit. The heat exchange unit preferably uses a hot dielectric oil for indirect heat exchange with the paint, and preferably a volume of heated paint between a heat exchange unit and a respective paint spray device is only about 15 percent or less of the volume of paint in the heat exchange unit, while the volume of heated paint is about one to three times the volume per minute of flow through the heat exchanger.

REFERENCES:
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patent: 3880228 (1975-04-01), Houk et al.
patent: 4114682 (1978-09-01), Knud
patent: 4465922 (1984-08-01), Kolibas
patent: 4501952 (1985-02-01), Lehrke
patent: 5170939 (1992-12-01), Martin
patent: 5197676 (1993-03-01), Koniecznski et al.
patent: 5271569 (1993-12-01), Konieczynski et al.
patent: 5395451 (1995-03-01), Triculis
patent: 5538186 (1996-07-01), Konieczynski

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