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Drum for building and shaping a tyre carcass

A kind of carcass and tire technology, applied in the field of tire manufacturing

Inactive Publication Date: 2018-08-31
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The drum is therefore only suitable for tires of a given diameter

Method used

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  • Drum for building and shaping a tyre carcass
  • Drum for building and shaping a tyre carcass
  • Drum for building and shaping a tyre carcass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Hereinafter, a tire in a cylindrical state before forming will be referred to as a carcass, and a tire that has been formed but not cured will be referred to as a green tire. The green tire is thus the result of a shaped and shaped carcass provided with a crown shape.

[0036] Figure 1 to Figure 3 A drum 1000 for shaping and shaping a tire carcass according to the invention is shown. It comprises a first kit 1100 of end segments including in particular a segment 1106 and a second kit 1200 including a segment 1200 . refer to figure 2 and image 3 , these segment sets 1100 and 1200 form the end portions of the surface for shaping a tire carcass of overall cylindrical shape having the main axis X of rotation. Each end segment of the first sleeve 1100 is mounted with the ability to move in radial direction relative to the axis X on a first axially movable support 1310 common to the segments of the first sleeve 1100 . image 3 The support 1310 seen in has an overall c...

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PUM

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Abstract

This drum (1000) for building and shaping a tyre carcass, comprises: - a surface (1106, 1506, 1206) for building a tyre carcass that is generally cylindrical in shape, having a main axis of rotation,- first and second movable surface supports, - adjustment members (1980, 1600, 1400, 1450) for adjusting a diameter of the surface, - adjustment members for adjusting an axial distance between the first and second supports. The drum further comprises first means (1700, 1800) for sealed connection between the surface and at least one of the first or second supports, and second means for sealed connection between the first and second supports.

Description

technical field [0001] The present invention relates to the technical field of tire manufacturing. In particular, the present invention relates to the shaping and shaping of tire carcasses. Background technique [0002] According to known methods, the manufacture of the green tire mainly consists of two steps. [0003] The first step corresponds to the shaping of the carcass of the future tire. The carcass typically includes one or more sealing layers, one or more carcass plies, two circular bead wires, and various other rubber articles, such as those intended to reinforce the tires of future tires. side and lower sidewall. These elements are assembled one on top of the other in a flat state on a drum called a tire building drum. On this tire building drum, the shape of the carcass assembled from these individual elements is cylindrical. At the end of this first step, the winding of the ply usually takes place; this consists in winding the ends of the carcass around bea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/24
CPCB29D30/245B29D2030/2642
Inventor H·欣克J-M·德特托拉
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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