Solid freeform fabrication of shelled objects
US9227365B2 · kind B2 · utility
37Cited by
1References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 21, 2011 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Dec 27, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of layerwise solid freeform fabrication is disclosed. The method comprises, for each of at least a few of the layers, dispensing and hardening at least a first modeling material and a second modeling material to form a core region and one or more envelope regions at least partially surrounding the core region. In some embodiments, the ratio between the elastic moduli of adjacent regions, when hardened, is from about 1 to about 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.