Patent · US Expired

Spray head of a rotary type electrostatic spray painting device

US4784332A · kind A · utility

11Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1987
Grant dateNov 15, 1988
Priority date
Expiry dateAug 4, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B5/0407
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A spray head of rotating type electrostatic spray painting device comprises a cup shaped inner circumferential wall and a tip portion from which paint particles are discharged. The outer periphery of the tip portion is formed as an annular flat face perpendicular to the rotating axis of the spray head. The inner periphery of the tip portion is formed as a conical face which diverges toward the outside of the spray head. A plurality of paint guide grooves are formed on only the inner periphery of the conical face.

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