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TYRE BUILDING DRUM FOR BUILDING AN UNVULCANISED TYRE

  • US 20090133842A1
  • Filed: 11/21/2008
  • Published: 05/28/2009
  • Est. Priority Date: 11/26/2007
  • Status: Abandoned Application
First Claim
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1. Tyre building drum for building an unvulcanised tyre using tyre components of rubber, wherein the tyre building drum comprises two folding arm units arranged at least substantially symmetrically with respect to the middle of the tyre building drum, which folding arm units are each connected to a folding arm bearing body so as to swivel, wherein both folding arm bearing bodies can be moved in axial direction of the tyre building drum, wherein via a first spindle both folding arm bearing bodies can be moved synchronously with respect to each other in axial direction, wherein the tyre building drum further comprises two bead ring core units arranged at least substantially symmetrically with respect to the middle of the tyre building drum, each of the bead ring core units being intended for supporting a bead ring core, wherein each bead ring core unit comprises a bead ring core bearing body, wherein via a second spindle both bead ring core bearing bodies can be moved synchronously with respect to each other in axial direction, characterised in that the first spindle and the second spindle are spaced apart from each other in radial direction.

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