Process and apparatus for the dry treatment of metal surfaces

Details Process and apparatus for the dry treatment of metal surfaces Process and apparatus for the dry treatment of metal surfaces

1996-11-18

1999-12-28

Warden, Jill

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 1, 134 15, 134 21, 134 36, 134 37, B08B 704

Patent

active

060076372

ABSTRACT:
The invention relates to a process for the dry surface treatment of at least one metal surface portion, according to which the portion is treated at a pressure close to atmospheric pressure by a gaseous treatment atmosphere comprising excited or unstable species and substantially devoid of electrically charged species, obtained from a primary gaseous mixture and if necessary an adjacent gaseous mixture, the primary gaseous mixture being obtained at the gas outlet of at least one device for the production of excited or unstable gaseous species, in which an initial gaseous mixture comprising an inert gas and/or a reducing gas and/or an oxidizing gas has been converted, the adjacent mixture not having passed through the device.

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