All steel radial tire

A technology of radial tires and steel wires, applied to tire parts, tire edges, transportation and packaging, etc., can solve problems such as unsatisfactory effects, and achieve the effects of simple structure, easy implementation, and obvious use effects

Inactive Publication Date: 2008-12-31
SHANGHAI TIRE & RUBBER TIRE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, the optimal design method is used or at the same time, such as laying nylon cord at the end of the turn-up to cover the end of the turn-up, or increasing the thickness of the material in the entire transition area from the bead to the sidewall to try to remedy, but the effect is not ideal

Method used

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  • All steel radial tire
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Embodiment Construction

[0008] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0009] Such as figure 2 As shown, an all-steel radial tire, its bead portion includes a rubber part 5, a carcass ply 2 located in the rubber part 5, a steel traveler 3 and a bead filler 4 arranged close to the carcass ply 2, The carcass ply 2 is turned up over the bead ring 3, which is characterized in that the turn-up end 6 of the carcass ply 2 is fixed on the top of the bead ring 3, and the turn-up end 6 of the carcass ply 2 passes through a hoop 7 hoop Press and fix on the top of the traveler 3.

[0010] The early damage to the bead of the tire is caused by the emptying of the end of the carcass cord turnup. In the present invention, the turned-up end of the carcass cord is moved out of the bending deformation area in use of the tire, and a hoop is used to press and fix the turned-up end of the carcass cord on the top of the steel ring, thus avo...

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PUM

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Abstract

The invention relates to an all steel cord truck radial tire which is characterized in that the reverse encapsulation end of a tire body curtain layer is fixed at the top part of a steel wire ring; the reverse encapsulation end of the tire body curtain layer is pressed and fixed at the top part of the steel wire ring by an annular hoop. In the invention, the reverse encapsulation end of the tire body curtain layer is pressed and fixed at the top part of the steel wire ring by the annular hoop; as the top part of the steel wire ring during the using process of the tire belongs to a non-circumnutating deformation area, the disengaging of the reverse encapsulation end is avoided, thus completely solving the early damage of the ring part of the tire caused by the disengaging of the reverse encapsulation end of the tire body curtain layer. The all steel cord truck radial tire has the advantages of simple structure, easy production and remarkable use effect.

Description

Technical field: [0001] The invention relates to an all-steel radial tire, in particular to an all-steel radial tire with a novel bead structure. Background technique: [0002] In the typical structure of all-steel wire radial tires, the carcass cord is turned up over the bead ring, and the end of the turned-up end is located at the upper end of the bead, and the bead filling rubber is separated from the carcass cord section that does not enter the turn-up area, so that the tire The bead section forms a double-ply steel cord structure, and there is usually a bead-reinforcing steel cord ply in the bead area, see figure 1 . figure 1 Among them, 1-bead steel cord reinforcement layer; 2-carcass ply; 3-steel ring; 4-bead filler; 5-rubber parts; 6-turn-up end of carcass ply. This structure has an obvious feature, that is, the transition area from the bead portion to the sidewall portion includes, from the carcass ply turnup end portion with the carcass ply plus the bead filler i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C15/00
Inventor 隆有明
Owner SHANGHAI TIRE & RUBBER TIRE RES INST
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