Pneumatic tire with post cure sealant layer
US10035383B2 · kind B2 · utility
1Cited by
16References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2015 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Jun 28, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/0695
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to a pneumatic tire comprising a radially outer circumferential rubber tread disposed on a supporting carcass, an inner liner rubber layer radially inwardly disposed on the supporting carcass, and a sealant layer adhered to and disposed inwardly of the rubber inner liner layer as a radially inner surface of the tire, wherein the sealant layer comprises 100 parts by weight of elastomer comprising 5 to 10 parts by weight, per 100 parts by weight of elastomer (phr) of butyl rubber, 10 to 25 phr of bromobutyl rubber, and 65 to 85 phr of polybutene: and from 0.05 to 2 phr of a polymeric amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.