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Tire valve and process for removing it

  • US 8,245,747 B2
  • Filed: 05/29/2007
  • Issued: 08/21/2012
  • Est. Priority Date: 06/09/2006
  • Status: Active Grant
First Claim
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1. An inflation valve comprising a tube and designed to be used on an assembly consisting of a tire and a wheel, the valve comprising:

  • snap-in means that enable the valve to be fixed in a cylindrical hole of circular cross-section formed in a rim of the wheel;

    a valve tube, comprising a valve mouth provided with an outer thread having a first thread pitch P1 and wherein the predetermined rotation direction is the direction of the thread on the valve mouth, wherein said outer thread is suitable for receiving a torque intended to rotate the valve in the hole;

    an attachment piece provided with a thread having a second screw pitch P2, this thread enabling the valve to be attached to the unit by screwing, the thread axis of the attachment piece being substantially the same as the rotation axis of the valve in the valve hole, and wherein the second thread P2 is inverted relative to the first thread P1;

    wherein the thread enabling the valve to be attached to the unit is such that the attachment piece is separated from the unit when the valve is rotated in the hole in a predetermined rotation direction.

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