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Assembly for a tyre

A technology of tires and components, applied to tire parts, bicycle tires, wheels, etc., can solve problems such as tread damage, radial deformation or large deflection, insufficient bearing capacity, and optimal operation of non-pneumatic tires

Inactive Publication Date: 2020-08-04
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this non-pneumatic tire has the disadvantage of excessive radial deformation or deflection when mounted on its rim and subjected to a rated load such as defined by the ETRTO standard
This blistering leads to impaired running of the tread, especially in terms of wear and grip
Therefore, the load carrying capacity of such non-pneumatic tires is insufficient for optimal operation of non-pneumatic tires

Method used

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  • Assembly for a tyre
  • Assembly for a tyre
  • Assembly for a tyre

Examples

Experimental program
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Embodiment Construction

[0055] Figure 1A An assembly A for a tire according to the invention is shown in section in the transverse plane YZ. Assembly A for a tire comprises a tire element 1 and a clamping insert 9 . The tire element 1 is a hollow tubular body comprising at least one polymer material. The tire element 1 comprises a crown 2 intended to come into contact with the ground and connected by two sidewalls 3 to two beads 4 intended to cooperate with a rim (not shown). The assembly comprising the crown 2 , the two sidewalls 3 and the two beads 4 defines an open main internal cavity 5 . According to the invention, the tire element 1 comprises two reinforcing parts 6 not connected together at least partially, each extending from each bead 4 up to the crown 2 in an open main internal cavity 5 and extending in the form of a tire The part of the element 7 facing said reinforcing part 6 defines a closed secondary internal cavity 8 . In the preferred embodiment shown, the two reinforcing portions...

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PUM

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Abstract

An assembly for a tyre (A), consisting of a tyre element (1) and a clamping insert (9), and suitable for being wound on a rim, the tyre element (1) comprising two stiffening portions (6) at least partially not connected to each other, and each stiffening portion (6) extending in a main open inner cavity (5) from each bead (4) of the tyre element (1) to the crown (2) of the tyre element (1), and delimiting, with a portion of the tyre element (7) opposite said stiffening portion (6), a secondary closed inner cavity (8), and the clamping insert (9) is a ribbon, having two transverse edges (91) inserted in respective longitudinal grooves (41) of the two beads (4) so as to apply a clamping force on the two beads (4).

Description

technical field [0001] The present invention relates to a non-pneumatic tire intended to be mounted on a rim and fitted to a light vehicle, more specifically the subject of the invention is an assembly for a tire capable of being wound onto a rim, To form a non-pneumatic tire. Background technique [0002] A light vehicle is one that has a relatively low mass (for example, a fully loaded weight up to 200 kg) and travels at a low speed (for example, up to 50 km / h). Bicycles, strollers, wheelchairs for the disabled are examples of light vehicles. Although not limited to this application, the invention will be described more particularly with respect to a non-pneumatic tire for mounting to a bicycle-type light two-wheeled vehicle. [0003] Within the meaning of the invention, an assembly for a tire consists of a tire element and a clamping insert. The tire element is a hollow tubular body generally comprising at least one polymeric material. A clamping insert is a device th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C7/12B60B9/10B60C7/24
CPCB60C2200/12B60C7/12B60C7/24B60C7/146
Inventor S·莫里瓦尔
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN