Pneumatic jetting of metal for additive manufacturing
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United States of America Patent
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May 5, 2020
Grant Date -
Sep 7, 2017
app pub date -
Mar 3, 2017
filing date -
Mar 3, 2016
priority date (Note) -
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Abstract
Devices, systems, and methods are directed to the pneumatic ejection of liquid metal from a nozzle moving along a controlled three-dimensional pattern to fabricate a three-dimensional object through additive manufacturing. The metal is movable into the nozzle as a valve is actuated to control movement of pressurized gas into the nozzle. Such movement of metal into the valve as pressurized gas is being moved into the nozzle to create an ejection force on liquid metal in the nozzle can reduce or eliminate the need to replenish a supply of the metal in the nozzle and, therefore can facilitate continuous or substantially continuous liquid metal ejection for the fabrication of parts.
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