Patent · US Expired

Thermal spray coating method and apparatus

US5844192A · kind A · utility

31Cited by
20References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1996
Grant dateDec 1, 1998
Priority date
Expiry dateMay 9, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05H1/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A thermal spray method and apparatus for applying a coating on to a substrate is provided comprising the steps of: (1) providing powder particles to be deposited on to the substrate; (2) providing a plasma spray apparatus for depositing the powder particles; (3) providing structure for preheating the powder particles prior to the particles entering the plume; (4) preheating the powder particles prior to entraining the particles within the plasma; and (5) depositing the molten powder particles on to the substrate.

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