Method for applying metallic coating

Details Method for applying metallic coating Method for applying metallic coating

1995-03-08

1997-04-15

Beck, Shrive

Coating processes

Spraying

4274071, 427409, 427475, 427477, 427480, 427484, B05D 700

Patent

active

056207506

ABSTRACT:
The disclosed present invention relates to a method of applying a metallic coating, such as a finish paint coating to an automobile. This method comprises two processes or stages using a bell-shaped rotary atomizer and a metallic paint. The amount of paint ejected from the rotary atomizer, shaping air pressure, and coating speed are maintained at approximately the same values during both the first and second processes. In the first process, the peripheral speed of the bell-shaped atomizing head is set within a range of 39 to 65 m/s. In the subsequent second process, the peripheral speed of the bell-shaped atomizing head is set to a lower value than in the first process, that is, within the range of 21 to 39 m/s, and the reduction rate of the nonvolatile (NV) value is set to 3% or more. This method improves the orientation of a bright pigment, enabling the automobile to appear high-grade, and providing a quality metallic coating.

REFERENCES:
patent: Re51590 (1984-05-01), Mitsui
patent: 4730020 (1988-03-01), Wilfinger et al.
patent: 5079030 (1992-01-01), Tomioka
PTO Translation of JP59-51868.

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