Flame resistant rubber based articles
US11215298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Dec 23, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L11/088
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Hose embodiments include an inner tube, a reinforcement layer disposed outwardly adjacent the inner tube, and an outer cover layer disposed outwardly adjacent the reinforcement layer. One or more of the inner tube and cover layer may be based upon a curable composition having EPDM, a filler package, and a sulfur curative, and after curing, the hose embodiments meet the testing requirements of the UL 94 standard. In some cases, the inner tube is based upon the curable composition, while in some other cases, the cover layer is based upon the curable composition. Yet, in other cases, the inner tube and the cover layer each is based upon the curable composition. In some aspects, the curable composition includes the EPDM in an amount of from 10% to 30% by weight, or even in an amount of from 30% to 80% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.