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METHOD AND DEVICE FOR CONVEYING PARTICULATE MATERIAL DURING THE LAYER-WISE PRODUCTION OF PATTERNS

  • US 20100272519A1
  • Filed: 10/06/2008
  • Published: 10/28/2010
  • Est. Priority Date: 10/21/2007
  • Status: Active Grant
First Claim
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1. A method for conveying particulate material during the manufacture of patterns in layers, wherein powder is conveyed out of a reservoir into a spreader unit and, if applicable, excess powder fed to the spreader unit is again conveyed back into the reservoir and wherein this conveying takes place in a closed conveying circuit.

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