Patent · US Expired

Control systems for electrostatic powder spraying apparatus

US6274202A · kind A · utility

2Cited by
5References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 1, 1999
Grant dateAug 14, 2001
Priority date
Expiry dateOct 1, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B5/053
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for controlling operation of powder spraying coating apparatus comprising automatically reducing both the discharge current and discharge voltage of the electrostatic charging means as the spray apparatus approaches a workpiece.

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