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Publication numberUST982004 I4
Publication typeGrant
Application numberUS 05/876,457
Publication dateMay 1, 1979
Filing dateFeb 9, 1978
Priority dateDec 23, 1974
Publication number05876457, 876457, US T982004 I4, US T982004I4, US-I4-T982004, UST982004 I4, UST982004I4
InventorsLloyd Klusendorf, Roger Lehman
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Powder coated resinous article
US T982004 I4
a method and product relating to a powdered coated resinous article. The surface of the resinous article is sealed to resist the effects of gases released from the article during heating. The sealing layer may contain a lead silicate chromate additive. A conductive exterior surface is then formed on the article and subsequently a powder paint is applied to the article under the influence of an electrostatic field. The coating is then heated sufficiently to merge the particles into a continuous film. The powder coating may be acrylic, polyester or epoxy. The sealing and forming a conductive layer may be done in one operation.
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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5344672 *May 14, 1992Sep 6, 1994Sanderson Plumbing Products, Inc.Process for producing powder coated plastic product
US5565240 *Aug 25, 1994Oct 15, 1996Sanderson Plumbing Products, Inc.Process for producing powder coated plastic product
EP0668112A1 *Oct 29, 1993Aug 23, 1995Etablissements ManducherProcess for prepararing molded objects surfaces to be electrostatically painted
EP0753358A1 *Jul 4, 1996Jan 15, 1997FIAT AUTO S.p.A.Method of painting elements made from plastics, and elements formed thereby
U.S. Classification428/339, 427/477, 428/702, 427/202, 427/412.5, 427/195, 427/419.1, 428/413, 428/480, 428/500, 427/485
International ClassificationB05D1/04, B05D3/00
Cooperative ClassificationB05D2401/32, B05D1/045, B05D3/005
European ClassificationB05D1/04C, B05D3/00R3