Refractory article
US11542202B2 · kind B2 · utility
0Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2019 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Nov 22, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/9623
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A refractory article including a body having central opening extending through at least a portion of the body, the central opening having a receiving surface having a convex curvature. In an embodiment, the body can include a coupling protrusion extending from a portion of an upper surface of the body and a coupling depression on a portion of a bottom surface of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.