Title: Apparatus for coating workpieces electrostatically
Application Number: 88101597 Application Date: 1988.03.22
Publication Number: 1021159 Publication Date: 1988.10.05
Approval Pub. Date: 1991.08.14 Granted Pub. Date: 1991.08.14
International Classifi-cation: B05B1/04;B05B5/04
Applicant(s) Name: Behr Industrieanlagen GmbH Address:
Inventor(s) Name: Fred Xuderer;Hans Behr;Kurt Vetter;Rolf Schneider
Attorney & Agent: FENG XINMEI SHOU NING
Abstract:
    Particles of conductive coating material, such as the water-enamel type paint, are sprayed from a grounded bell-atomizer and are electrostatically charged in the corona-discharge area by outer electrodes which are inserted into a holding-arrangement made of an insulating material. Potential-controls in the form of suitably selected materials for the holding-arrangement and/or an atomizer-housing are provided. The radial-potential pattern between the atomizer-housing and the outer electrodes is approximated to the radial-potential distribution of the material sprayed. The insulating material of at least a portion of the apparatus consists of a fluorocarbon such as PTFE (polytetrafluorethylene). The subject invention reduces the danger of the apparatus coating itself to minimum.
Time: 7