Process to yield foam construction boards with low surface irregularities
US12358190B1 · kind B1 · utility
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18Claims
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Key dates
| Filing date | Jan 18, 2022 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Feb 29, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a foam board laminate having low surface irregularities, the method comprising (i) preparing a continuous foam laminate; (ii) cutting the foam laminate to a desired length; (iii) placing the foam laminate of desired length into restriction to restrict further expansion of the foam laminate in the thickness of the foam laminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.