Powder-layer three-dimensional printer with smoothing device
US10449718B1 · kind B1 · utility
6Cited by
0References
9Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 4, 2018 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Oct 4, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder layer smoothing devices adapted for use with powder-layer three-dimensional printers are described. The smoothing devices include a counter rotating roller having a complex powder engaging face that may include a series or plurality of flutes or may include knurling extending along at least a portion of the roller along the rotational axis. The smoothing device may also include a vertically adjustable finishing roller to follow the counter rotating roller across the build box of the powder-layer three-dimensional printer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.