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Method for manufacturing covering and supporting elements for tire moulds

A technology for supporting elements and tire molds, applied in the direction of additive manufacturing, household appliances, other household appliances, etc., can solve problems such as high cost

Active Publication Date: 2014-10-01
OCIETE DE TECH MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is therefore a solid and heavy element at high cost to manufacture

Method used

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  • Method for manufacturing covering and supporting elements for tire moulds
  • Method for manufacturing covering and supporting elements for tire moulds
  • Method for manufacturing covering and supporting elements for tire moulds

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0033] figure 1 The active mass (section) of a vulcanization mold (not shown) for a tire, indicated generally at 10 , is shown at an early stage in its manufacture.

[0034] Active (or segmented) molds used to vulcanize tires consist of multiple figure 1 The same or similar active blocks as those shown in . The active blocks are positioned circumferentially close to one another and thus define a cylinder in which the tire tread band is molded.

[0035] A given active mass 10 is thus intended to form part of the tread band of the tyre.

[0036] The active block 10 includes a support block 12 and a lining assembly 14 connected with the support block 12 .

[0037] The support block 12 , for example made of solid steel, comprises in particular a radially inner surface 16 forming a support for the lining assembly 14 . Surface 16 is generally smooth and has generally the same general shape as that of the portion of the tire tread band that faces the support blocks during the mol...

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PUM

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Abstract

Method for manufacturing a covering element (22) for connection with a support block (12) of a tire mould, comprising the steps of manufacturing an intermediate element (34) comprising a covering element (22) and at least one partial support element (36) for covering element (22), said covering element (22) and said partial support element (36) being made in one piece, then making covering element (22 ) is separated from the support element (36).

Description

technical field [0001] The present invention relates to the field of molds for tire vulcanization, and more particularly to molds of the flexible type. Background technique [0002] The active mold comprises a plurality of separate components which, when brought together relative to each other, define the boundaries of a near-toroidal molding space. In particular, the active mold comprises two transverse shells for molding the sidewalls of the tyre, and a plurality of peripheral active blocks located between the shells and for molding the tread band of the tire. All these components are brought together with proper motion characteristics by using suitable mechanisms. The stock or green preform of the future tire needs to be firmly pressed against the mold and held in order to obtain a geometrical and precise structure and in order to form the tread strip tread pattern. [0003] To form the tread band tread pattern, the active blocks of the mold comprise elements protruding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B29C33/38B29D30/00
CPCB22F5/003B22F3/1055B22F5/007B29D2030/0612B29D30/0606B33Y80/00Y02P10/25B22F10/28B22F10/66B22F10/47B22F10/60
Inventor O·洛韦尔A·瓦什凯维奇
Owner OCIETE DE TECH MICHELIN