Casting process including making and using an elastomeric patter

Metal founding – Process – Shaping a forming surface

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Details

164 34, 164 35, 164 44, 164 45, B22C 702, B22C 904

Patent

active

044999402

ABSTRACT:
A casting process for making and utilizing an elastomeric pattern that is coated with a non-metallic material to form a non-metallic shell mold and thereafter removed from the non-metallic shell mold by thermal decomposition or mechanical stripping.

REFERENCES:
patent: 1912889 (1933-06-01), Couse
patent: 2420851 (1947-05-01), Zahn et al.
patent: 3954132 (1976-05-01), Wheeldon et al.
patent: 3982934 (1976-09-01), Wentzell
patent: 4055213 (1977-10-01), Maher
patent: 4220190 (1980-09-01), Horton et al.

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