Method of molding articles to minimize shrinkage and voids

Details Method of molding articles to minimize shrinkage and voids Method of molding articles to minimize shrinkage and voids

1997-11-28

2000-09-26

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164113, 164120, 164133, B22D 1712, B22D 1720, B22D 1730

Patent

active

061231428

ABSTRACT:
Molten material is elevated into a mold cavity and subsequently pressure is brought to bear on the molten material in the mold cavity substantially immediately to solidify the molten material under pressure. The molten material is tapped from a reservoir of molten material below the surface of the molten material to minimize exposure to air of the molten material and transferred to the mold cavity without a downward flow or a pouring of the tapped molten material.

REFERENCES:
patent: 5170835 (1992-12-01), Eberle et al.

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