Pneumatic tire with polyester belt cord
US6026879A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 1998 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Jun 19, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/10765
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pneumatic tire for heavy duty use comprises at least one radial carcass ply, a tread portion disposed radially outwardly of the crown region of the carcass plies and a crown reinforcing structure interposed between the tread portion and the crown region of the carcass plies. The crown reinforcing structure includes a belt assembly having at least a first, radially innermost and a second, radially outermost belt ply. The cords reinforcing the belt plies are preferably made of PET or PEN and have a linear density comprised between 2000 and 16000 Denier, a twist comprised between 2 and 7 TPI and a twist multiplier comprised between 3 and 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.