Tyre building method comprising winding an elastomer strip around a building drum
AssigneeBridgestone Europe NV/SA
InventorsClaudio Lemma, Gianni Di Biase
Life of this patent
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Abstract
A tire building method comprising: feeding an elastomer strip in a feed direction towards a building drum by means of a first and a second feed conveyor arranged in succession; cyclically determining the transverse position of both sides of the elastomer strip in a centring direction perpendicular to the feed direction; calculating an average head out of center on a head portion of the elastomer strip; and moving the second feed conveyor transversely in the centring direction by an amount equal to the average head out of center, before winding the elastomer strip around the building drum.
Claims13
A tyre building method, the building method comprising:
- feeding an elastomer strip in a feed direction towards a building drum having a centreline, by a first and a second feed conveyor arranged in succession;
- cyclically determining, by an optical measuring device arranged upstream from the second feed conveyor, the transverse position of both sides of the elastomer strip in a centring direction perpendicular to the feed direction;
- winding the elastomer strip around the building drum;
- calculating, by an electronic control unit connected to the optical measuring device, an average head out of centre (AHOC) on a head portion of the elastomer strip;
- and
- piloting, by the electronic control unit, a centring motor for moving the second feed conveyor transversely in the centring direction by an amount equal to the average head out of centre (AHOC), to centre the elastomer strip with respect to the building drum before winding the elastomer strip around the building drum.
Dependencies are inferred from the claim text.