Metal founding – Process – Shaping a forming surface
Patent
1981-03-05
1982-06-08
Pertilla, Theodore E.
Metal founding
Process
Shaping a forming surface
264220, 264221, B22C 122
Patent
active
043335136
ABSTRACT:
A resin-coated sand comprising:
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patent: 3471443 (1969-10-01), Bornstein
patent: 3632785 (1972-01-01), Bornstein
patent: 3838095 (1974-09-01), Johnson et al.
patent: 4089837 (1978-05-01), Luttinger et al.
Acme Resin Corporation
Parmerter Stanley M.
Pertilla Theodore E.
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