B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/56
B22D 21/00 (2006.01) B22D 11/14 (2006.01) B22D 11/22 (2006.01)
Patent
CA 1240820
-22- Abstract Casting Light Metals A method of and an apparatus for vertical, semi-continuous direct chill casting of light metal fabricating ingots of particularly, though not exclusively, lithium containing aluminium and magnesium alloys, through an open mould into a pit, comprising commencing the casting without a pool of water within the pit, supplying cooling water to the emergent ingot at a predetermined rate and continuously removing water from the pit as casting continues at a rate sufficient to ensure that no build up of a pool of water in the pit occurs, whereby the risk of violent and damaging explosion is further reduced.
471518
Grimes Roger
Martin Derek C.
Alcan International Limited
Sim & Mcburney
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