In order to deposit metal onto a surface such as a cylindrical surface, an arc spraying method is used with a consumable electrode (16), a non-consumable electrode (18) and a jet of atomising gas (22) blown through the arc (20) in a radial direction to propel the molten metal of the consumable electrode...http://www.google.com.au/patents/US5245153?utm_source=gb-gplus-sharePatent US5245153 - Depositing metal onto a surface
