Methods and multi-purpose powder removal features for additive manufacturing
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United States of America Patent
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Nov 29, 2022
Grant Date -
Jan 4, 2018
app pub date -
Jul 1, 2016
filing date -
Jul 1, 2016
priority date (Note) -
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Abstract
The present disclosure generally relates to methods for additive manufacturing (AM) for fabricating multi-walled structures. A multi-walled structure includes a first wall having a first surface and a second wall having a second surface facing the first surface to define a passage having a width between the first surface and the second surface in a first direction. The multi-walled structure also includes an enlarged powder removal feature connecting the first wall and the second wall. The enlarged powder removal feature has an inner dimension greater than the width in the first direction and at least one open end in a direction transverse to the first width.
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