Die casting method for semi-solid billets

Details Die casting method for semi-solid billets Die casting method for semi-solid billets

2008-07-18

2011-11-01

Ward, Jessica L (Department: 1735)

Metal founding

Process

With measuring, testing, inspecting, or condition determination

C164S312000

Reexamination Certificate

active

08047258

ABSTRACT:
A die casting method for use with semi-solid metal billets allows the removal of air from portions of the billet as it is compressed and deformed to flow into a cavity of a die. The die is formed in a manner that captures other potential defects and impurities in portions of the finished die cast product that can easily be removed subsequent to the completion of the die casting operation. The air is removed through passages formed in a generally cylindrical rod that extends through a second surface of the die to allow the air to flow from pockets formed by a concavity of the billet and through the air conduit to the atmosphere.

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