Electrostatic powder coating method

Details Electrostatic powder coating method Electrostatic powder coating method

1996-09-16

1998-05-05

Beck, Shrive

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428458, 428480, 427470, 427475, 427486, 427409, B32B 702, B32B 2736, B05D 106, B05D 136

Patent

active

057471509

ABSTRACT:
An electrostatic powder coating method of forming an undercoating film having a volume specific resistivity of not more than 10.sup.13 .OMEGA..multidot.cm and a thickness of not more than 200 .mu.m on a metal surface and forming an overcoating layer on the undercoating film by electrostatic powder coating. The undercoating film is composed of a plurality of layers with only the top layer containing a conductive material.

REFERENCES:
patent: 3832226 (1974-08-01), Kondo et al.
patent: 4789566 (1988-12-01), Tatsuno et al.
patent: 5242716 (1993-09-01), Iwase et al.

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