Sealant layer with barrier, tire containing same, and related processes
US12103338B2 · kind B2 · utility
0Cited by
60References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2017 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Nov 29, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/0695
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tire sealant layer comprising a rubber portion with an upper surface and a lower surface, and a barrier layer upon the lower surface of the rubber portion is disclosed. The rubber portion comprises a mixture of 100 parts of at least one rubber, 90-500 parts of at least one tackifier, optionally one or more extenders, optionally at least one hydroscopic substance, and a cure package. Also disclosed is a process for producing a sealant layer-tire inner liner combination as well as a sealant layer-containing tire and related processes involving the sealant layer-containing tire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.