Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1994-07-22
1997-06-10
Batten, Jr., J. Reed
Metal founding
Process
Shaping liquid metal against a forming surface
164158, 164432, 164433, 164439, 164480, 164481, 164482, 164489, B22D 1106, B22D 1107, B22D 1110
Patent
active
056366817
ABSTRACT:
A layer of liquid parting agent, and any solid detritus contained therein, is completely removed from a casting surface of a rotating belt after contact with molten metal. A new layer of liquid parting agent is applied to the casting surface thereafter and prior to renewed contact with the molten metal. The removal of used parting agent and the application of fresh helps to prevent the formation of surface blemishes and defects on the cast metal strip product. Such blemishes and defects can also be minimized by using an injector having a flexible tip used to inject the molten metal onto the casting surface and preferably one or more spacers to create a gap between the tip and the casting surface itself. The spacer is preferably a screen of wire strands orientated to minimize disruption of the new layer of liquid parting agent applied to the casting surface. By avoiding disruption of the new layer of liquid parting agent, surface blemishes on the cast product are minimized.
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Desrosiers Ronald R.
Sivilotti Olivo G.
Sulzer John
Alcan International Limited
Batten, Jr. J. Reed
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