Tread and tire for heavy vehicle

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9878584
SERIAL NO

14428156

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Tread for heavy vehicle tire, this tread having a tread surface in the new state, this tread comprising a plurality of cuts opening onto the tread surface in the new state and at least one channel internal to the tread, this channel being intended to form a new groove after the tread has partially worn away, furthermore, each channel is extended radially towards the tread surface by a sipe of the same orientation as said channel and of width L4, and in addition a plurality of sipes of width L3 intersect the sipe extending each channel to form a well, this well opening both onto the tread surface in the new state and into a channel, the tread according to the invention being such that, for at least for a plurality of wells (each well has—in a direction extending from the tread surface towards the channel, at least one maximum-section part and one reduced-section part, the reduced-section part having a cross-sectional area smaller than the cross-sectional area of the maximum-section part so as to limit the ingress of foreign bodies of determined dimensions into this well and, from there, into a channel.

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Patent Owner(s)

  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN;MICHELIN RECHERCHE ET TECHNIQUE S.A.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bardin, Damien Clermont-Ferrand, FR 28 111
Houis, Catherine Clermont-Ferrand, FR 5 42
Martin, Vincent Clermont-Ferrand, FR 39 558

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