Bead core for a pneumatic tire
AssigneeSP Reifenwerke GmbH
InventorManfred Gerresheim
Life of this patent
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Abstract
A bead core for a pneumatic tire is built up from a ring element and a load carrying element wound into the ring element, wherein the load carrying winding is subdivided by a support wall of the ring element into two regions. The boundary walls at the edge regions of the ring element preferably have a radial extent less than that of the support wall.
Claims13
A bead core for a pneumatic tire, the bead core comprising a ring element and a reinforcement element wound onto the ring element to provide a load carrying winding, wherein the ring element includes a base and a stabilizing support wall extending substantially radially outwardly from the base to subdivide the load carrying winding into only two regions, wherein the base of the ring element has boundary walls at its axially outer regions, said boundary walls extending radially outwardly from the base and inclining axially outwardly so that each forms an included angle .alpha. between 0.degree. and 90.degree. exclusive with the support wall.
Dependencies are inferred from the claim text.