Method and device for additive manufacturing by agglomeration of a granular material

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United States of America Patent

PATENT NO 11992873
APP PUB NO 20220347739A1
SERIAL NO

17624235

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Abstract

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A method for manufacturing a structure from a granular material, called sand, in particular a mold. A layer of sand is deposited. The layer of sand is selectively agglomerated by spraying, using a spray nozzle, an inorganic binder having an M2SiO3 type (meta)silicate dissolved in a solvent. Prior to the spraying, the inorganic binder is heated to a temperature to confer on it a viscosity less than 0.2 Pa·s. A device for implementing the method is provided.

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Patent Owner(s)

Patent OwnerAddress
ECOLE CENTRALE DE NANTES1 RUE DE LA NOË NANTES 44321

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hascoët, Jean-Yves Nantes, FR 3 3
Le, Néel Tugdual Nantes, FR 3 3
Mognol, Pascal Rennes, FR 4 15

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