Patent · US Expired

Plasma spray apparatus for coating irregular internal surfaces

US4866241A · kind A · utility

13Cited by
4References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1988
Grant dateSep 12, 1989
Priority date
Expiry dateMar 30, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B13/0672
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for coating the internal surface of a tubular object having an irregular internal surface which comprises a combination of arms which enable the torch to be in the optimal coating position as it moves over and coats the internal surface.

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