Patent · US Active

Process for melting/sintering powder particles for the layer-by-layer production of three-dimensional objects

US9272446B2 · kind B2 · utility

10Cited by

5References

10Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Maik Grebe · Bochum, DE
Wolfgang Diekmann · Waltrop, DE
Sigrid Hessel-Geldmann · Haltern am See, DE
Juergen Kreutz · Marl, DE

Key dates

Filing date	Feb 14, 2013
Grant date	Mar 1, 2016
Priority date	—
Expiry date	Feb 15, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31504
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for melting/sintering powder particles for layer-by-layer production of three-dimensional objects wherein a layer of powder particles is irradiated by a nonlinear path of an electromagnetic radiation is provided. Also provided are an apparatus to conduct the process and three dimensional objects obtained by the process.

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