Additive manufacturing device
US11969793B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2019 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Jul 17, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An additive manufacturing device comprises a lower nozzle that blows out inert gas into a chamber in a horizontal direction through a lower opening portion formed in a lower part of a first side wall constituting the chamber, and an upper nozzle that blows out the inert gas into the chamber through an upper opening portion formed in an upper part of the first side wall, wherein the upper nozzle includes a window nozzle that blows out the inert gas along an inner surface of a window portion of a top board constituting the chamber, and an oblique nozzle that blows out the inert gas obliquely downward from the upper portion of the first side wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.