Process for the manufacture of cast iron

Details Process for the manufacture of cast iron Process for the manufacture of cast iron

1975-04-28

1977-01-25

Shore, Ronald J.

Metal founding

Process

Shaping liquid metal against a forming surface

164 55, B22D 2720

Patent

active

040046303

ABSTRACT:
The present invention provides a method for the production of modular graphite cast iron using a mould comprising a pouring bush, downsprue, gating and risering system, mould cavity and an intermediate chamber having a base and retaining walls positioned in the path of molten metal entering the mould and adapted to contain a nodularizing agent wherein the surface area of the base A = (l/k) (W.sub.T /T) (N.sub.nod /W.sub.T)
where:

REFERENCES:
patent: 3703922 (1972-11-01), Durks et al.
patent: 3746078 (1973-07-01), Moore
patent: 3851700 (1974-12-01), McAfee et al.

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