B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/183, 22/85
B22D 18/00 (2006.01) B22D 18/04 (2006.01) B22D 27/08 (2006.01) B22D 35/00 (2006.01)
Patent
CA 1314686
ABSTRACT. A method of making a casting comprising the steps of, at of casting station, feeding molten metal from a primary source of molten molten into a mould cavity through an ingate below the top of the mould cavity, placing the cavity out of feeding relationship with the primary source by changing the orientation of the cavity relative to the force duo to gravity to prevent flow of molten metal from the cavity towards the primary source and to permit of flow of metal from a secondary source to the cavity, the cavity being contiuously connected to the primary source during said change of orientation, transferring the mould cavity to a cooling station spaced from the casing station and, at the cooling station, permitting molten metal to flow to the cavity from the secondary source whilst the metal in the cavity solidifies.
530228
Cosworth Research & Development Limited
Gowling Lafleur Henderson Llp
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