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Radial tire forming device

A technology for radial tires and forming devices, applied in the field of forming devices, can solve the problems of not considering the function and arrangement, and not suitable for the structure of forming tires, etc., and achieve the effect of size reduction

Inactive Publication Date: 2007-06-13
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in the present invention, the role and arrangement of this annular body are not taken into account, so the double-capsule type must inevitably be used
[0035] As a result, the present invention is not suitable for the construction of a formed tire in which the folded length is large in the belt on both sides of the folded bead core, ((c), (d), (e) and (f) above)

Method used

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  • Radial tire forming device
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  • Radial tire forming device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] According to an embodiment of the present invention, a radial tire building apparatus will be described below with reference to the accompanying drawings.

[0061] In Fig. 1, the X-X axis represents the carcass belt layer forming calibrating disk 5 in the first molding process and the axis of the carcass forming calibrating disk 11, and the Y-Y axis represents the forming calibrating disk 17 in the second and the 3rd molding technology And the shaft of forming calibrating dish 20. In addition to the above-mentioned shaping discs 5 and 11, the carcass belt holder 9 is arranged so that its axis is consistent with the X-X axis, the carcass belt shaping disc 5 can expand and contract, and takes a general cylindrical, which is mounted on the shaft 4, which is rotatably mounted on the casing 3, and is configured to be movable between the first forming position A and position B, which is the carcass belt holder 9 The standby position and the transfer position of the carcass b...

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PUM

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Abstract

A radial tire forming device capable of adapting to the forming of a carcass band with long folding-back length, wherein a housing of a rollover device of the tire forming device is formed so as to move a frame, comprising a plurality sets of linear raceway bearings fixed at proper positions thereof and having raceways, forward and backward in the direction of a second forming point on a carcass forming former side by a cylinder fixed to the housing, the diameter of a first rollover ring is formed smaller slightly than the diameter of a second rollover ring and, when these rollover rings are moved closest to each other, the cylindrical portions of the rings are engaged overlappingly with each other.

Description

technical field [0001] The present invention relates to a building apparatus for radial tires mounted on passenger vehicles or the like. Background technique [0002] The molding method of the radial tire is broadly classified into two methods. [0003] The first method is that in this method, when the inner liner and the constituting carcass ply serving as the base fabric are assembled into a carcass belt, the outer circumferential length thereof is greater than that of the bead core, and the tire The bead core is installed by reducing the diameter of the bead core area and the outside of the bead core (commonly referred to as positive wrapping). The second method is that in which the outer circumferential length of the carcass belt, which, as described above, is smaller than the inner circumferential length of the bead core, and the bead core is installed by enlarging the bead core area diameter (often, called a bead lock ring). [0004] The present invention concerns a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D30/08B29D30/26B29D30/32
CPCB29D30/2607B29D2030/3242B29D2030/3228B29D2030/3207B29D30/32B29D2030/205B29D2030/3264
Inventor 木村稔入江畅彦深町嘉博
Owner MITSUBISHI HEAVY IND LTD