Method of making a core comprising an envelope containing granular and/or powdery products, device and core obtained
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United States of America Patent
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Jun 11, 2013
Grant Date -
Sep 22, 2011
app pub date -
Jun 17, 2009
filing date -
Jun 20, 2008
priority date (Note) -
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Abstract
A process for the production of a core that can be used for the manufacturing of a part that is made of composite material, whereby the core consists of at least one powdered and/or granular product (16), includes introducing the at least one powdered and/or granular product (16) by vibrating it in an outer envelope (14) placed in a device (18) having a cavity that is delimited by a wall (20) whose geometry is adapted to that of the core to be produced and flattening the outer envelope (14) against the wall (20), characterized in that vibrations are emitted slightly above the fill level during filling.
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