Alcoa Inc.

Mark A Newborn

Vivek M Sample

Vincent Paola

Ronald G Chabal

Domenic A Ghiardi

A molten metal supply system ( ) includes a plurality of injectors ( ) each having an injector housing ( ) and a reciprocating piston ( ). A molten metal supply source ( ) is in fluid communication with the housing ( ) of each of the injectors ( ). The piston ( ) is movable through a first stroke allowing molten metal ( ) to be received into the housing ( ) from the molten metal supply source ( ), and a second stroke for displacing the molten metal ( ) from the housing ( ). A pressurized gas supply source ( ) is in fluid communication with the housing ( ) of each of the injectors ( ) through respective gas control valves ( ). The injectors ( ) each include an intake/injection port ( ) in the form of a dual action valve ( ) adapted to admit and dispense molten metal from the injectors ( ).

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Export, PA, United States of America

Mark A Newborn