Protective element for a tread

A technology for protecting components and treads, applied in tire parts, tire treads/tread patterns, vehicle parts, etc., to solve the problems of strip-shaped tread technology, unsustainable tread, and rupture of rubber compounds.
CN1805858AInactive Publication Date: 2006-07-19MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
Publication Date
2006-07-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

A tread (1) comprises a tread design formed of relief elements (3, 31) delimited by grooves (2) of which at least one of these grooves is oriented in the longitudinal direction of the tread and has a depth H. Said tread comprises, axially to the exterior of at least one side thereof, at least one relief element (4), called a protective element, which has a contact surface (41) that is offset toward the interior of the tread with regard to the contact surface (30) of the relief element(s) (3), and which protects the relief element(s) against irregular wear. Relief element (4) is joined to the protected element (3) by means of a rubber bridge element (6) that joins the lateral faces (42, 32) vis-a-vis said elements.
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Description

technical field

[0001] The object of the present invention is to improve the treads of tires for heavy vehicles; it relates in particular to treads having a tread pattern consisting of substantially rib or block treads. ) and a tread pattern element combined with a strip pattern.

[0002] The invention is particularly contemplated for radial-carcass tires for non-drive shafts of heavy vehicles. Background technique

[0003] Such tires generally comprise a carcass reinforcement projecting radially outwardly of a crown band which itself protrudes above a tread having a tread pattern consisting essentially of generally circumferential ribs Composed of tread patterns. Furthermore, it is known (US 4,480,671) to have on each side region of such a tread a side rib located on the axially outer side of the tread, and the meridian profile of the side rib is substantially parallel to the main surface forming the tread. The meridian profile of the geometric profile of the geometric e...

Claims

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