Metal founding – Process – Shaping a forming surface
Patent
1974-01-11
1977-01-11
Baldwin, Robert D.
Metal founding
Process
Shaping a forming surface
164 65, B22C 902
Patent
active
040021963
ABSTRACT:
This invention relates to a method for molding and forming an equalized layer onto a shaping surface of a mold, and also relates to a method for forming the layer onto the shaping surface of the mold which has a hardened layer on the shaping surface of the mold.
REFERENCES:
patent: 2434780 (1948-01-01), Wiss et al.
patent: 3086874 (1963-04-01), Wallace et al.
patent: 3400751 (1968-09-01), Behnke
patent: 3692550 (1972-09-01), Melcher et al.
patent: 3789907 (1974-02-01), Nakata et al.
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