Patent ID: 9027619
Filing Date: 2015-05-12
Classification: B29D,B60C,Y10T

Abstract:
1. An intermediate article of manufacture formed as a first stage bead area subsassembly for a split ply pneumatic tire carcass, the bead area subsassembly comprising: an annular bead core having an axis; a bead apex; a ply strip reinforced by cords, the ply strip having a main portion including a working ply or outside portion extending to a radially outer end positioned on one side of the subsassembly and having an outer surface for affixing a rubber or elastomeric sidewall portion along a portion of the outside or working ply portion that is vertical and an intermediate portion that follows the contour of the bead apex; said ply strip further comprising a vertical turnup, as oriented relative to the bead axis, extending along an opposite side of the bead apex and extending radially outwardly from the bead core, wherein said bead apex is similarly vertical relative to the bead axis; a sidewall affixed to the ply strip; wherein the subsassembly is formed into a generally flat disk-shaped bead area monocomponent; and wherein a gum chafer is applied to the outside of the ply strip and wrapped around the bead core, the chafer being a durable rubber element to prevent chafing.