Patent · US Expired

Run-flat tire with wet handling design

US5685927A · kind A · utility

19Cited by
38References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 1995
Grant dateNov 11, 1997
Priority date
Expiry dateFeb 21, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T152/10837
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A run-flat radial ply pneumatic tire 10 has a carcass structure reinforced with pairs of elastomeric sidewall fillers 42,46,48 and at least three bead cores 26,26' and 37. At least one bead core 37 lies axially between the lateral edges of the tread 12 and extends radially inwardly of the tread 12 and reinforcing belts 36 and radially outwardly of the first and second bead cores 26,26' and a carcass reinforcing structure 30. In several embodiments improved wet traction tread designs are employed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.