B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/158, 22/166,
B22C 3/00 (2006.01) B22C 9/08 (2006.01) B22D 7/10 (2006.01) B22D 27/04 (2006.01)
Patent
CA 1128255
A B S T R A S T Sound castings (1), free from aluminium pick-up, are produced in moulds (2) in which are located at places where it is desirable to promote directional solidification lining pads (9) made from a composition which comprises particulate refractory material, finely divided aluminium, an oxidising agent for the aluminium and a binder, and which is substantially free of fluoride salts, which contains a fibrous refractory material and which has a density of 0.3 to 1.1 g/cm. The composition may be incorporated as a preformed pad, or as a flexible mat or mouldable mixture which can be dried or hardened chemically.
350480
Foseco International Limited
Gowling Lafleur Henderson Llp
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