Tyre having colour pattern and its manufacturing method

A technology for tires and patterns, applied in tire parts, tire treads/tread patterns, tires, etc., to solve problems such as loss of transfer materials

Inactive Publication Date: 2004-10-06
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the many difficulties of putting this technology into practice, improper sticking between the transfer and the tire can cause many problems and loss of the transfer

Method used

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  • Tyre having colour pattern and its manufacturing method
  • Tyre having colour pattern and its manufacturing method

Examples

Experimental program
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Embodiment Construction

[0028] Figure 1 shows a partial view of a black tire sidewall 1 with a pattern 3 of a single set of microstructures formed on the surface 2 of the tire by the method of the present invention when the tire is molded.

[0029] The pattern can be seen with a color that contrasts sharply with the black of the surface 2. According to the selected arrangement direction, if the received light is not reflected by the microstructure, the pattern can look black.

[0030] Figure 2 shows a cross section through the line II-II of pattern 3 in Figure 1. It can be seen that a plurality of ribs 31 are separated by grooves. The cross section of the ribs is square, the height is H, and they are parallel to each other with the interval P地 Settings. The incident light rays on the lateral surfaces 32 and 33 of the rib 31 can be diffracted in a suitable manner, that is, all the reflected energy is concentrated at a given wavelength, even if the energy reflected by the basically black rubber material is...

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Abstract

A motif (30), which can have a number of parts (310, 311, 312, 313) in colours different from that of the tyre (20), is made from a diene rubber or elastomer. The external surface of the motif has a light diffraction grid created by a series of parallel micro ribs, the height of which is not more than 1 micron, while their pitch is not more than 1.5 microns. The motif (30), which can have a number of parts (310, 311, 312, 313) in colours different from that of the tyre (20), is made from a diene rubber or elastomer. The external surface of the motif has a light diffraction grid created by a series of parallel micro ribs, the height of which is not more than 1 micron, while their pitch is not more than 1.5 microns. The ribs in the different parts of the motif lie at an angle of at least 10 degrees to one another, and can be made to produce a hologram, i.e. a three-dimensional image. The material of the tyre carrying the motif contains no wax, anti-ozone or anti-oxidant agents. The motif is preferably formed by a nickel template stuck to a stainless steel support fitted in the tyre mould.

Description

Technical field [0001] The present invention relates to a method of manufacturing a decorative pattern that has a more pronounced color than black, which contrasts with a substantially black rubber material. Background technique [0002] Many products or products manufactured in the manufacturing industry need to have nameplates, logos and various patterns, which are used for example in exhibits on display to attract the attention of potential users or purchasers. [0003] This requirement is particularly difficult to meet for rubber products such as black tires or traction tracks. [0004] One way to solve this problem is to place a film with a color contrasting with black on the surface of this product. Patent US5904794 gives such a suggestion that a transfer with a color pattern is prepared before tire molding and vulcanization. Place it on the outer surface of the tire blank. Although this method can obtain a pattern that forms a contrast color on a black surface, the pattern...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C37/00B60C11/00B60C13/00
CPCB29C2059/023B60C11/00G03H2001/0055B29L2030/00B60C13/001B29C37/0053B29D2030/726
Inventor A·帕蒂勒C·德尔贝
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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