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Sidewall reinforcing layer for pneumatic tires

  • US 7,320,350 B2
  • Filed: 07/08/2005
  • Issued: 01/22/2008
  • Est. Priority Date: 07/08/2005
  • Status: Expired due to Fees
First Claim
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1. A pneumatic tire, comprising:

  • a pair of annular beads defining a bead height;

    a radial carcass ply extending between the beads;

    a tread disposed circumferentially around the carcass ply, a center line of the tread defining an equatorial plane of the tire;

    a pair of sidewalls extending from the tread to the beads; and

    a first sidewall reinforcing layer, including one or more adjacent corded layers disposed between the carcass ply and a first sidewall of the pair of sidewalls, each of the one or more adjacent corded layers extending from a lower edge positioned axially outward of the radial carcass within one bead height of a highest extent of one annular bead of the pair of annular beads and at least one of the one or more adjacent corded layers extending to a top edge of the first sidewall reinforcing layer located at or above, in a radial direction, a point of maximum section width of the tire,wherein the first sidewall reinforcing layer has a different thickness at the lower edge than at a top edge.

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