RAPID PROTOTYPING APPARATUS
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Feb 22, 2016
filing date -
Feb 22, 2016
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Abstract
A rapid prototyping apparatus includes a construction platform, a movable platform, a first lift/lower mechanism and a second lift/lower mechanism. The construction platform includes a powder feeder, a construction chamber and a powder collector. The powder feeder provides construction powder. A rapid prototyping process is performed in the construction chamber. Excess construction powder is collected in the powder collector. The first lift/lower mechanism is disposed under the powder feeder. The second lift/lower mechanism is disposed under the construction chamber and the powder collector. After the rapid prototyping process is completed, the collected excess construction powder in the powder collector and the excess construction powder in the construction chamber are pushed back to the powder feeder by the powder-pushing element, and the construction powder at a topmost layer of the powder feeder is compacted by the powder-pushing element.
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