Fiber cement articles with ultra-smooth exterior surface and methods for manufacturing same
US10590657B2 · kind B2 · utility
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39References
19Claims
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Key dates
| Filing date | Mar 30, 2018 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Mar 30, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2607/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Described herein are cementitious articles having an integrally formed exterior surface with ultra-smooth finish and reduced porosity and/or thickness relative to the core of the cementitious article. Described herein are also techniques and methods for producing fiber cement articles having a thin exterior shell characterized by improved smoothness and reduced porosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.