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Mould comprising mobile elements which are obtained by sintering

A technology for molds and molding components, applied in the field of movable components, can solve problems such as complex assembly, and achieve the effect of promoting demoulding and easy demoulding

Active Publication Date: 2017-05-10
OCIETE DE TECH MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the creation of sipe blades is a complex matter requiring assembly

Method used

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  • Mould comprising mobile elements which are obtained by sintering
  • Mould comprising mobile elements which are obtained by sintering
  • Mould comprising mobile elements which are obtained by sintering

Examples

Experimental program
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Effect test

Embodiment Construction

[0036] figure 1 and figure 2 The example shown in shows a liner comprising an articulated molded element 1 and a liner body 2 through which a cylindrical hole 20 passes. The molding element 1 comprises a molding part 11 , which in this case is a rectilinear part starting from the cylindrical part 10 , and a cylindrical part 10 arranged in a cylindrical hole 20 . The cylindrical part 10 rotates around the axis X and has on each side a cylindrical spigot 100 acting as a hinge, each cooperating with an orifice 26 extending the cylindrical hole 20 .

[0037] image 3 and Figure 4 The example shown in FIG. 1 shows a hinged molded element in which the molded part 11 has a notch 12 in which the peripheral part 21 of the liner body 2 can slide.

[0038] exist Figure 5 In the example shown, the molding element 1 has a cylindrical portion 10 pierced with a hole 101 into which a rod 22 with axis X is inserted and fixed to the inner liner 2 .

[0039] exist Image 6, the linear...

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Abstract

The mould according to the invention comprises a lining made up of a lining body (2) and at least one moulding element (2) which is articulated with respect to the lining body comprising a cylindrical part (10) constituting an axis of rotation (X) and a moulding part (11) secured to the cylindrical part (10), characterized in that the cylindrical part (10) is placed in a cylindrical hole (20) arranged in the lining body (2) made from the one same material as the moulding element (1) and the said moulding element (1) is integral, namely made in one piece, and cannot be detached from the lining body (2).

Description

technical field [0001] The invention relates to a movable element arranged in an inner liner. Said liner consists of all the molding elements of the mold and their supports. More particularly, said mold will be a mold for the manufacture of tyres. Background technique [0002] Usually, these movable elements need to be installed in the liner, which entails specific steps that extend the manufacturing process. This becomes even more critical at small component sizes, as it entails fine adjustments, which further increase manufacturing time, and thus cost. There is also a need to provide a system for holding the component in place in the liner so as to prevent its dislodgement from the liner. [0003] The movable element may for example be a sipe blade which is movable in order to facilitate demolding. Several patents in the prior art have emphasized the need to enable demolding of sipe blades with large undercuts, in particular teardrop sipe blades, L-shaped sipe blades o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/06
CPCB29D30/0606B29D2030/0613B22F10/28Y02P10/25B33Y10/00B33Y80/00B29C64/153B22F5/007B29C33/3842
Inventor R·卡尔韦尔A·格尼奥
Owner OCIETE DE TECH MICHELIN
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