Patent · US Expired

Apparatus for coating a metal gas-pressure bottle or tank

US4869203A · kind A · utility

49Cited by
1References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 2, 1989
Grant dateSep 26, 1989
Priority date
Expiry dateMar 2, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1355
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An electric arc vapor deposition apparatus for coating the internal surface of a metal gas-pressure tank has a sealing plug, a means on the plug coupled with a vacuum pump for evacuating the tank, a material-supplying electrode mounted on the plug and an electrical source connectable between the tank and the electrode to supply electric arc energy.

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