Process for making shaped articles
US11795310B2 · kind B2 · utility
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16References
30Claims
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Key dates
| Filing date | Nov 23, 2017 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Feb 23, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods of making an environmentally acceptable shaped article. In an embodiment method comprises machining a sheet comprising crumb rubber within a polyolefin matrix into a plurality of particles to form a reground mixture; and processing the reground mixture at an elevated temperature into a mold to form said shaped article, wherein the shaped article has a substantially more evenly dispersed mixture of said crumb rubber within the matrix of said shaped article than within the matrix of said sheet or the particles of the reground mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.