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Motorcycle tire

A tire and tire crown technology, applied to motorcycle tires, motorcycles, wheels, etc., can solve the problems of worn tire profile aesthetics, reducing tire effective life, and reducing damage.

Active Publication Date: 2011-05-04
PIRELLI TYRE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The Applicant has also noted that the presence of several compounds in the tread may lead to irregular wear phenomena and aesthetic detraction of the tire profile in the interfacial zone of the compounds
[0018] Irregular wear should be avoided as it reduces the accuracy of the ride and reduces the useful life of the tire

Method used

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Examples

Experimental program
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Embodiment Construction

[0065] With reference to the above-mentioned figures, 100 denotes a complete motor vehicle tire according to the invention.

[0066] The motor vehicle tire 100 comprises a carcass structure 2 formed of at least one carcass ply 3 . The carcass ply 3 is made of elastomeric material and comprises a plurality of reinforcing elements arranged parallel to each other.

[0067] The carcass ply 3 engages by its opposite circumferential edges at least one annular reinforcing structure 9 .

[0068] In particular, the opposite side edges 3 a of the carcass ply 3 are folded back around an annular reinforcing structure, which is a so-called bead wire.

[0069] On the axially outermost periphery of the bead wire 4 is applied a tapered elastomeric bead filler 5 which occupies the space between the carcass ply 3 and the carcass ply 3 The space defined between the corresponding back-turned lateral edges 3a.

[0070] As is well known, the region of the tire comprising the bead wire 4 and the ...

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PUM

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Abstract

Motorcycle tyre having a transverse curvature ratio f / C >= 0.2 and a sidewall height ratio (H-f) / H <= 0.7. Said motorcycle tyre has a belt structure provided with a belt layer (7) comprising at least one filiform reinforcing element (7a) arranged to form a plurality of windings parallel to one another at a substantially zero angle relative to the equatorial plane (X-X) of the tyre. The available elongation of the belt in an intermediate zone between the equatorial plane (X-X) and the shoulder is greater than the available elongation corresponding to the equatorial plane (X-X). The aforementioned intermediate zone extends at least in a range centred on a camber angle of +- 35 DEG .

Description

technical field [0001] The invention relates to a tire for a motor vehicle. In particular, the invention relates to installations in larger cylinder capacities (for example, 1200cm 3 or greater) and / or higher power (eg, 140 BHP-150 BHP or greater) sport / touring motor vehicle's tires on the front and / or rear wheels. Background technique [0002] In general, a tire for a vehicle wheel comprises a carcass structure consisting essentially of one or more carcass plies formed according to a substantially toroidal configuration and having axially opposite The actual side edges, which engage a corresponding annular reinforcing structure comprising metallic circular inserts generally called "bead wires". Each annular reinforcing structure is embedded in a so-called "bead" for anchoring said bead to the corresponding mating rim. [0003] In a radially outer position on the carcass structure is applied a belt structure comprising one or more belt layers shaped as closed loops, said ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C9/22
CPCB60C3/04B60C9/2006B60C2200/10B60C2009/2271B60C2009/2209Y10T152/10765Y10T152/1081
Inventor M·马里亚尼P·米萨尼S·马休洛
Owner PIRELLI TYRE SPA
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