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AssigneesCompagnie Generale Des Etablissements Michelin, Michelin Recherche et Technique S.A.
InventorsJose Merino Lopez, Didier Vasseur, Olivia Cuscito, Sylvain Petitjean
Estimating the term…
The tire (10B) comprises a tread (12) including a running layer (14) which is intended to come into contact with the ground when the tire (10B) rolls on the ground, and a sublayer (16) located radially inwards from the running layer (14). The tread (12) comprises at least one fluid passage (22) between the sublayer (16) and the air surrounding the tire (10B). The sublayer (16) comprises a cellular material. The fluid passage (22) comprises an element chosen from a groove (20) and a cut (26), formed in the running layer (14) and extended by at least one well (28) acting as a radial extension of the element, formed between the groove (20) and/or the cut (26) and the sublayer (16). Each well (28) forms a localized part of the fluid passage (22).
A tire comprising a tread including a running layer, intended to come into contact with the ground when the tire rolls on the ground, and a sublayer, comprising a cellular material, located radially inwards from the running surface, the tread comprising at least one fluid passage between the sublayer and the air surrounding the tire the fluid passage comprising at least one element chosen from a groove and a cut, formed in the running layer and extended by at least one well acting as a radial extension of the element, formed between the groove and/or the cut and the sublayer, each well forming a localized part of the fluid passage.
Dependencies are inferred from the claim text.