Shell and processing method of shell
US11724968B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jan 8, 2020 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Sep 28, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2237/597
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A shell and a method for processing the shell are provided. The method includes: coating a sol prepared in advance on an inner surface of a ceramic shell prepared in advance; sintering the ceramic shell coated with the sol by using a sintering process, and forming a transition layer having nano-sized micro-pores on the inner surface of the ceramic shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.