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Studded tires and method of improving performance of studded tires

A technology of studs and tires, applied in the field of tires with studs

Active Publication Date: 2017-08-11
PIRELLI TYRE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The applicant has solved the problem of improving the performance of studded tires on icy and / or snowy road surfaces

Method used

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  • Studded tires and method of improving performance of studded tires
  • Studded tires and method of improving performance of studded tires
  • Studded tires and method of improving performance of studded tires

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Embodiment Construction

[0042] Referring to the accompanying drawings, the studded tire is generally indicated by reference numeral 1 .

[0043] According to a structure known per se in the relevant technical field, the tire 1 generally comprises, in a radially outer position, a tread band 2 annularly shaped about the axis of rotation X of said tire 1 and arranged on said The radially outer position on the belt structure of the tire 1.

[0044] In turn, the belt structure is coupled in the carcass structure at a radially external position, both structures known per se and not shown in the drawings.

[0045] The tread band 2 is made of elastomeric material and has a radially outer tread surface 3 designed to bring the tire 1 into contact with the road surface during its rolling movement about the axis X.

[0046] The tire 1 is preferably directional such that it has figure 1The preferred scrolling direction shown by the reference symbol F in . In this way, for each point of the tread surface 3 a di...

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PUM

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Abstract

The invention relates to a studded tire, comprising a plurality of studs (10) in which pins (12) are defined, said pins being configured in plan view to be asymmetrical at least with respect to an axis, The shape includes a first side having a profile defining at least one tip, and a second side having a generally planar profile relative to The first sides are opposite. In order to improve the performance of the studded tire, the studs are arranged at least partially in the tire tread such that in the first plurality of studs the pins have tips facing in a direction opposite to the direction of travel (Y) of the tire.

Description

technical field [0001] The present invention relates to a method of improving the performance of studded tires. The invention also relates to a studded tire. Background technique [0002] The grip of tires traveling on ice is particularly problematic due to the reduced coefficient of friction between the rubber-ice interface. In order to compensate for the above-mentioned drawbacks, especially in countries with very harsh winter conditions, tires with suitably fixed protruding parts (called "cleats") on the tread band, which are able to cut into the ice and thus ensure that the tire Can also fully grip this type of road surface. The cutting action on ice is usually accomplished by the pins of the cleats protruding from the tread band. [0003] Patent documents US8113250, US2002 / 050312, US2012 / 0227880, EP1798069A2, WO2009 / 68744Al, WO2012 / 117962Al disclose studded tires and / or various types of studs used for studded tires. Contents of the invention [0004] The applicant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C11/16
CPCB60C11/1643B60C11/1675B60C11/1625B60C11/16
Inventor A·特龙冰J·伦德策D·洛伦泽蒂M·博约基
Owner PIRELLI TYRE SPA
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