Method of fabricating a casting
US11518069B2 · kind B2 · utility
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11Claims
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Assignee
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Key dates
| Filing date | May 21, 2019 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of fabricating a casting, the method including applying a substrate to a sacrificial mold, the sacrificial mold including a shaped non-planar receiving surface to receive the substrate and provide a casting of the substrate having a shaped structure corresponding to the receiving surface; and subjecting the sacrificial mold and casting to freeze drying conditions and sublimating the sacrificial mold from the casting to form a cast article including the shaped non-planar structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.