Pneumatic vehicle tire

Pneumatic vehicle tire

  • CN 101,138,937 B
  • Filed: 09/07/2007
  • Issued: 07/04/2012
  • Est. Priority Date: 09/07/2006
  • Status: Active Grant
First Claim
Patent Images

1. Pneumatic vehicle tire;

  • Constitute by tyre surface and sidewall and tyre bead;

    Have the additional rib of the height lower than the height of main rib bar in the setting of tyre surface both-side ends, between above-mentioned main rib bar and additional rib, having both has the decouple groove of its degree of depth (D) for the 100-110% of the groove height (H) of main rib bar;

    The outside at above-mentioned additional rib forms the polygon portion that is made up of three curved face part that have different curvature respectivelyIt is characterized in that;

    Above-mentioned additional rib forms the hook-type that has protrusion in the inboard, and the entrance width of the said groove of decoupling that forms of above-mentioned additional rib and adjacent piece is narrow, the bottom is that the circle of R1.5 forms largo with the radius of curvature of its vertical cross-section shape.

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