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US 5,511,600 AGranted
Bead ring assembly for vehicle tires including form-matched bead apex
AssigneeSP Reifenwerke GmbH
InventorKlaus-Dieter Glotzbach
Life of this patent
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Abstract
A bead ring arrangement for vehicle tires in which the wire layers of the wire bundle are wound from a single wire and the wire layer at the core apex side has fewer turns than the wire layer lying beneath it.
Claims9
A bead ring assembly for vehicle tires comprising a ring-shaped rubberized wire bundle consisting of several wire layers arranged on top of one another, and a bead apex comprising elastomeric material arranged adjacent the wire bundle and adapted to extend in the direction of a side wall of a tire, wherein the wire bundle is wound from a single wire;
- the number of wire turns lying alongside each other is different in at least two of the wire layers which lie on top of one another;
- the number of wire turns lying alongside each other in the wire layer at the bead apex side is smaller, by at least two turns, than the number of wire turns lying alongside each other in the wire layer lying directly underneath it;
- and the bead apex lies on wire turns lying alongside each other of both the wire layer at the bead apex side and the wire layer lying directly underneath it in a form matched manner.
Dependencies are inferred from the claim text.