Patent ID: 6352090
Filing Date: 2002-03-05
Classification: B60C,B65D,Y10T

Abstract:
An off-the-road earthmover-type pneumatic tire, having an inflatable, multi-layered tire carcass with at least one ply layer and a pair of spaced apart bead wires, the ply layer including at least a first carcass ply extending circumferentially about the tire and between the pair of bead wires; a pair of sidewall portions extending from the bead wires to the outer circumferential surface of the tire carcass; the tire characterized by:the first carcass ply embedded within the tire carcass and extending entirely about the circumference of the tire and having first and second turnup ends extending axially inwards and turned up about the bead wires; and a removable tread belt assembly mounted to the outer circumferential surface of the inflatable tire carcass; further characterized in that first (54,55), second (58,59), third (38,39), and fourth (62,63) apex elements are disposed about each of the bead wires, the first of the apex elements being located adjacent and radially outward from each of the bead wires, the second of the apex elements being located adjacent and radially outwards from the first of the apex elements and between a section of the first carcass ply leading from the circumference of the tire carcass to the bead wires and a section of the first and second turnup ends of the carcass ply, the third of the apex elements being located axially between an innerliner and the first and second turnup ends and extending radially outward from the bead wires to approximately the middle of the sidewalls, and the fourth of the apex elements being located axially between the outermost carcass ply and the upper gum chafers.