Patent · US Expired

Electrostatic spraying apparatus

US4572437A · kind A · utility

51Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 1983
Grant dateFeb 25, 1986
Priority date
Expiry dateApr 12, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B5/0426
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An electrostatic spraying apparatus for applying a liquid coating material to a work piece, and which comprises a rotating bell-like or disc-like atomizer head and an annular gap coaxial therewith which is connected to a compressed air source is provided with an improvement of a further annular gap connected to a compressed air source, the additional gap coaxially surrounding the first annular gap, and the gap width of at least one of the two annular gaps being adjustable.

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