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Vulcanizing molds for tires

A technology of tire vulcanization and mold, which is applied to home appliances, other home appliances, tires, etc., and can solve the problems of fixing parts yielding and demoulding, etc.

Active Publication Date: 2021-03-30
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fixtures may then yield, causing demolding issues and re

Method used

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  • Vulcanizing molds for tires
  • Vulcanizing molds for tires
  • Vulcanizing molds for tires

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Example Embodiment

[0036] In each of the drawings, the same or similar components have the same reference numerals. Therefore, they are not systematically renamed. Figure 1 to 4 Only a lower mold segment corresponding to the first embodiment of the present invention is shown. According to the prior art, the upper segment is the image of the next section. Thus, the following description is equally applicable to the upper segment and next segments of the mold, the mold including two series of two series and the next segment of the two series in the radial direction.

[0037] It is well known that the vulcanization mold includes a plurality of segments 1, which are arranged circumferentially around the symmetry axis or center axis of the mold and form a circle, which can be radially movable when the closed ring is actuated. The radial direction, the axial direction, and the circumferential direction are defined relative to the central axis of the mold. Therefore, the radial direction is a direction per...

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PUM

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Abstract

Disclosed is a vulcanization mold for a tire, comprising a plurality of circumferentially adjacent sectors (1) which are radially movable between a closed and an open mold position, each sector comprising a one-piece insert (3) or being provided with a plurality of individual elements (10), the insert (3) being mounted so as to be detachable from a support (2), the insert (3) comprising a radially inner portion for the molding operation and a radially outer portion that is in contact with the support (2). According to the invention, the insert (3) is radially immobilized by being fastened to the support (2) by means of at least one metal wire element (20) that is inserted between the insert and the support.

Description

Technical field [0001] The present invention relates to a mold for tire vulcanization, more specifically, to a mold type of a segment type. The vulcanized mold is used to vulcanize the tire by pressurizing and applying thermal energy to tire belly. The vulcanization mold of the segment type is produced as a plurality of components, the plurality of components being assembled and moves with respect to the vulcanizing machine in a suitable kinematique. Background technique [0002] The vulcanization mold typically includes a segment that is radially moving relative to the central axis of the mold. In this sulfurization mold, space for molding the outer surface of the tire is defined by two housings and a circle segment or two-ring half-segment, and each of the housing is molded on a side, the one lap Section or two-circle semi-segment is used to mold the tread. In a sulfigation mold having a segment that can be radially moving, the segment opening, closing motion is typically drive...

Claims

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Application Information

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IPC IPC(8): B29D30/06
CPCB29D30/0629B29D2030/0609
Inventor D·马沙迪耶
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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