Patent · US Active

Method and device for conveying particulate material during the layer-wise production of patterns

US8727672B2 · kind B2 · utility

48Cited by

143References

10Claims

0Family size

Assignee

VOXELJET AG · DE

Inventors

Ingo Ederer · Geltendorf, DE
Andreas Hartman · Stadtbergen, DE

Key dates

Filing date	Oct 6, 2008
Grant date	May 20, 2014
Priority date	—
Expiry date	Sep 16, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.