B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/157, 22/49
B22D 11/07 (2006.01) B22D 45/00 (2006.01)
Patent
CA 2007955
-1- Abstract An apparatus for casting metal includes a mould for effecting solidification of the molten metal into a formed metal product, means adjacent to an inlet portion of the mould for feeding the molten metal into the mould and means for delivering a lubricating agent to a surface of the mould contacting the molten metal to substantially prevent adhesion of any solidified metal on the mould surface. According to the novel feature, the lubricating agent delivery means comprises at least one lubricant delivery channel arranged generally parallel to the mould surface, inlet means for delivering a flow of lubricant under pressure into the delivery channel, a plurality of uniformly spaced restrictive flow passages extending across between the delivery channel and lubricant outlet holes adjacent the molten metal for delivery of lubricant to the mould surface. The restrictive flow passages have dimensions such that the friction loss from lubricant flow in the lubricant delivery channel is negligible relative to the total friction loss of the total system whereby lubricant delivered under pressure to the lubricant delivery channel is transferred uniformly through said restrictive flow passages to the mould surface. The delivery channels and passages are preferably dimensioned such that friction loss from the flow of lubricant in the delivery channel is less than 10% of the total friction loss of the system.
Leblanc Guy
Newberry Vincent J.
Alcan International Limited
Kirby Eades Gale Baker
Leblanc Guy
Newberry Vincent J.
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