Process for manufacturing a shell mold
US10987723B2 · kind B2 · utility
0Cited by
6References
25Claims
0Family size
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Key dates
| Filing date | Jul 21, 2017 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jul 21, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns a method of manufacturing a shell mould (1) with several layers (2, 3, 4, 5), including at least one contact layer (2), from a model (6) of wax or other similar material of a part to be manufactured, the method comprising a step of dipping the model (6) into a contact slip forming the contact layer (2) and comprising an inorganic or organic binder and a powder, wherein the powder is a mullite-zirconia composite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.