Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1987-01-15
1987-12-01
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164423, 164337, 164437, 164488, 222599, 222600, B22D 1106, B22D 1110, B22D 3900
Patent
active
047097434
ABSTRACT:
In casting thin metal strip or foil by dynamic casting in which molten metal is teemed from a crucible 13 onto a moving belt or wheel, the invention provides an outlet orifice control assembly arranged to define a slot of controlled width through which the metal flows from the crucible outlet 20. The assembly comprises opposed shut-off plates 28,29 extending between edge strips 26,27, and underlying these are opposed slot plates 32,33 extending between second edge strips 30,31 with opposed support strips 34,35 extending beneath the strips 30,31 and supporting the edges of the slot plates 32,33. The sets of plates are aligned and arranged so that one plate 29 and 33 is movable relative to the other respective plate 28 and 32 between closed and open positions for controlled flow of metal through a sized slot defined between the slot plates 32,33. The assembly slot of the simple form of plates is supported in a plate housing with suitable drive connections through holes 47,48 respectively in plates 29,33 to enable controlled adjustment of the width of the slot while obviating effects of chilling and thermal stress in use, and while providing advantages in manufacture and installation. Various detail features of the casting process and use of the outlet orifice control assembly are described.
REFERENCES:
patent: 4433715 (1984-02-01), Smith
Fleetwood Michael J.
Law Anthony G.
Inco Enginered Products Ltd.
Lin Kuang Y.
The General Electric Company plc
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