Patent ID: 8544608

Claim:
An apparatus comprising a spray lubrication unit in combination with rolling cylinders ( 1 ) operating on a metal strip, for the in-line lubrication of said rolling cylinders ( 1 ), by spraying a lubricant atomised in air or inert gas ( 4 ) over a target comprising said cylinders and/or said strip, by means of a bar ( 2 ) of controllable air sprays ( 3 ), arranged in parallel to said cylinders ( 1 ) and supplied with compressed air or inert gas ( 4 ), wherein the bar ( 2 ) forms a common air or inert gas ( 4 ) manifold on which the sprays ( 3 ) are directly mounted, the bar including an internal passage distributing air or inert gas to each of the sprays, and wherein each spray ( 3 ) comprises an inlet for the compressed air or inert gas ( 4 ) and an inlet for uncompressed pure oil ( 5 ) in an adapter ( 6 ) followed by a mixing chamber ( 6 ′) as well as an outlet nozzle ( 7 ) for the lubricant atomised in air or inert gas ( 4 ).