Coating processes – Mold coating – Sand mold
Patent
1977-09-06
1978-06-20
Smith, Ronald H.
Coating processes
Mold coating
Sand mold
260 26, 106 3825, 427133, E04H 716, B28B 736
Patent
active
040962938
ABSTRACT:
Disclosed is a foundry core wash made of a hydrocarbon solvent, fumaric acid resin, particulated calcium aluminate and a suspending agent. The core wash has particular utility for sand cores made with an inorganic binder used in pressurized die casting.
REFERENCES:
patent: 2534743 (1950-12-01), Vincent
Hanesworth Richard F.
Skubon Michael J.
Spiwak John J.
Ashland Oil Inc.
Harrison, Jr. Van D.
Silverberg Sam
Smith Ronald H.
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