Patent · US Expired

Pneumatic tire having multi-part annular bead core

US4811772A · kind A · utility

1Cited by
5References
10Claims
0Family size

Inventor

Key dates

Filing dateJul 2, 1987
Grant dateMar 14, 1989
Priority date
Expiry dateJul 2, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60C15/04
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A pneumatic tire having beads disposed about an inner diameter of the tire for mounting to the flanges of a wheel of a vehicle is disclosed. Each of the beads includes a multi-part annular core comprising rings having an L-shape or U-shape cross-section including substantially flat limbs. The rings are mechanically interlocked to provide the core with portions of the limbs disposed in adjacent relationship for receiving therebetween ends of the tire carcass plies and securing them to the cores.

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