Device and method for producing a tread
AssigneesMichelin Recherche et Technique S.A., Societe De Technologie Michelin
InventorsChristian Beaudonnet, Rémi Braunt, Daniel Bresson, Thierry Orsat
Life of this patent
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Abstract
Device for manufacturing the tread of a tire, said tread comprising a plurality of relief tread elements of height h whose radially outer surface is designed to be in contact with the ground when the tire is rolling on the road surface, comprising a rotary support suitable for supporting a base strip (MB) forming a receiving surface (S), an extrusion die (1) comprising a plurality of extrusion nozzles whose outlet channels are oriented radially approximately perpendicular to the receiving surface (S), at least two compound supply means, each feeding into one or more separate extrusion nozzles, and means for positioning and moving the extrusion die relative to the receiving surface (S).
Claims19
A device for manufacturing the tread of a tire, the tread comprising a plurality of relief tread elements of height h, whose radially outer surface is adapted to be in contact with the ground when the tire is rolling on the road surface, the device comprising:
- a rotary support suitable for supporting a base strip forming a receiving surface, an extrusion die comprising a plurality of extrusion nozzles whose outlet channels are oriented radially approximately perpendicular to the receiving surface;
- at least two compound supply means, each feeding into one or more separate extrusion nozzles;
- and
- means for positioning and moving the extrusion die relative to the receiving surface.
Dependencies are inferred from the claim text.