Three dimensional printer
US10688559B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Aug 30, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A lamination molding apparatus, including: a chamber covering a desired molding region and being filled with an inert gas of predetermined concentration; a molding table configured to be vertically controllable in the chamber; a laser beam emitter to irradiate a predetermined irradiation region with a laser beam to form a sintered layer and irradiate a predetermined target irradiation position with the laser beam to form a sintered trace, the irradiation region being disposed on a material powder layer formed on the molding table for each of a plurality of divided layers obtained by dividing a desired three-dimensional object at a predetermined thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.