Patent · US Expired

Electrostatic spray coating method

US4892750A · kind A · utility

5Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1988
Grant dateJan 9, 1990
Priority date
Expiry dateSep 9, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B5/084
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An electrostatic spray coating method where an electrical field is generated between a spray gun and an object for electrostatically attracting the paint to the object for coating the same. A positive or negative voltage is preliminarily applied to the object through a clamping device disposed on a floor face of a spray booth with the spraying system for spraying the paint from the spray gun being electrically grounded while the object is maintained electrically insulated by suspending it from a hanger rod with an insulator of a hanger conveyor type installed in the spray booth.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.