Pneumatic tire

Pneumatic tire

CN
  • CN 103,826,873 B
  • Filed: 09/28/2012
  • Issued: 08/17/2016
  • Est. Priority Date: 09/28/2011
  • Status: Active Grant
First Claim
Patent Images

1. a pneumatic tire, described pneumatic tire is at least some of middle bag of the tread surface between two tyre surface endsInclude:

  • One or more major troughs, described major trough upwardly extended in tire week;

    AndMultiple transverse grooves, described transverse groove between described major trough and/or between described major trough and described tyre surface end at tire widthDegree side upwardly extends,Described major trough and described transverse groove limit the pattern block row formed by multiple pattern blocks, arrange at least in described pattern blockOne cutter groove,Described pattern block is formed;

    First gap slot, the one end of described first gap slot the transverse groove to the tire circumference side being positioned at described pattern block is openedMouthful, and the other end terminates in described pattern block;

    Second gap slot, one end of described second gap slot is opened to the transverse groove of the tire circumference opposite side being positioned at described pattern blockMouthful, and the other end terminates in described pattern block;

    AndConnecting narrow slot, the groove width of described connection narrow slot is than the groove width of described first gap slot and the groove width of described second gap slotNarrow, and described connection narrow slot connects described first gap slot and described second gap slot,The rigidity of described pattern block increases from the open side of described first gap slot towards the termination side of described first gap slot, andAnd increase from the open side of described second gap slot towards the termination side of described second gap slot,The groove depth of described first gap slot and the groove depth of described second gap slot reduce towards described termination side from described open side.

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