• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    ABRIDGED: Method of laying a support (10) for an electronic module (11) against a wall of a tire (12), comprising the steps in which: i) a cavity (2) for molding is provided in a mold (1) ; ii) a non-vulcanized support (10) is disposed in said molding cavity (2); iii) the unvulcanized carrier (10) is vulcanized simultaneously with the other constituent elements of the tire.
    公开号:FR3029832A1
    申请号:FR1402853
    申请日:2014-12-15
    公开日:2016-06-17
    发明作者:Julien Destraves；Michel Robert
    申请人:Michelin Recherche et Technique SA Switzerland ；Compagnie Generale des Etablissements Michelin SCA；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD OF THE INVENTION [0001] The present invention relates to a method for installing a support or patch for an electronic module against a wall of a tire. It also relates to a tire mold specifically designed for the implementation of this method.
    [0002] STATE OF THE PRIOR ART [0002] In general, tires with electronic modules are known for fulfilling certain functions such as the monitoring of pressure, temperature and various other data. Such modules are most of the time attached to the tire by means of a patch disposed against a wall of the tire. Fixing this patch is conventionally performed in a subsequent step in the manufacture of the tire. This operation is a source of several disadvantages. [0004] Certain disadvantages are first of all related to the method proper to laying the patch on the tire. The immobilization time of the tire constitutes a first disadvantage. Indeed the surface of the wall of the tire on which the patch is intended to be laid must first be prepared, and then the pose itself. Finally, it is necessary to immobilize the tire for a long period of time, in particular to ensure that the bonding is effective and durable.
    [0003] P10-3427en 3029832 - [0005] The fact of carrying out a laying operation after the molding of the tire represents a significant cost because of the equipment used and the manpower required. Finally, fixing a patch on a tire must be carried out by precise positioning, particularly at the azimuth level. Other difficulties related to the subject of the tire equipped with such a patch are observable. For example, laying a patch on a tire is likely to reveal a line break, or potential defects related to the bonding operation. The good behavior of the bonding in time must finally be possible to avoid any risk inherent in a possible takeoff. In addition, some products used during the patching of the tire may be detrimental to the tire. In order to overcome these various drawbacks, the invention provides different technical means. SUMMARY OF THE INVENTION [0011] Firstly, a first object of the invention is to provide an approach for simplifying the fixing of electronic modules on tires. Another object is to provide an approach to avoid the difficulties related to marking / azimutage for positioning when laying an electronic module on a tire. Another object is to provide a mode of attachment of electronic modules on tires eliminating the risks of detachment. Yet another object is to provide a mode of attachment of electronic modules to tires eliminating the use of solvent on the walls of the tires. To do this, the invention provides a method of mounting a support for an electronic module against a wall of a tire, comprising the steps 10 in which: i) a patch molding cavity is provided in a mold; ii) a non-vulcanized support is disposed in said molding cavity; iii) the front support is vulcanized simultaneously with the other constituent elements of the tire. Such a method makes it possible to manufacture tires with an integrated patch, in an optimal arrangement. The patch is directly obtained with the tire, it is no longer necessary to immobilize the latter to perform preparation and installation operations. Maintaining the patch is assured and the risks of separation are virtually eliminated. With an electronic module advantageously disposed in the support before molding, all operations related to the integration of the module to the tire can be performed before the end of the tire manufacturing process, thus avoiding having to immobilize the latter later. According to an advantageous embodiment, a counterform having a profile corresponding to that of the support to be molded is disposed in the molding cavity. This against-shape is advantageously removably arranged. [0019] Advantageously, the unvulcanized support is shaped directly into the counterform. Alternatively, the unvulcanized support is partially crosslinked prior to insertion into the cavity. According to an advantageous embodiment, the unvulcanized support is preformed, for example by stamping, prior to insertion into the cavity. According to another embodiment, the unvulcanized support is shaped directly into the counter-form. According to yet another advantageous embodiment, the non-vulcanized support is shaped by injection of an elastomeric composition. According to yet another variant, the unvulcanized support is shaped by assembling partially crosslinked elements, at least one electronic module and an elastomer composition. [0025] The invention also provides a tire mold comprising a cavity provided with a counterform whose profile corresponds to that of a support for an electronic module intended to be molded in the mold, said mold being intended for the implementation of the method of laying the support as previously described. [0026] Advantageously, the counterform is removable. DESCRIPTION OF THE FIGURES [0027] All the details of embodiment are given in the description which follows, supplemented by FIGS. 1 and 2, presented solely for the purpose of non-limiting examples, and in which: ## EQU1 ## - Figure 1 is a sectional view of a mold provided with a counterform for molding a patch simultaneously with the tire for which it is intended; FIG. 2 is a sectional view of an alternative embodiment of the mold of FIG. 1 for molding a patch simultaneously with the tire for which it is intended. DETAILED DESCRIPTION OF THE INVENTION [0028] In the present document, the term "uncured support" means a support or patch made using an elastomeric composition, intended for insertion into a molding cavity specifically arranged in the mold of the tire. The unvulcanized support and / or the molding cavity, or any other intermediate element, are preferably provided with the shapes and dimensions to which the patch is to be made. The concept according to the invention consists of laying the support or patch in the finishing mold of the tire before the vulcanization of the latter. Two methods can be envisaged, namely with or without a removable mold element. MOLDING IN A CAVITY WITHOUT REMOVABLE MOLD ELEMENT [0031] As shown in Figure 1, a mold 1 according to the invention comprises a cavity 2 formed at its inner wall. A suitable counterform 3 is housed in the cavity 2. An electronic module 11 is disposed in the support 10, preferably before the molding and vulcanization of the tire. In a preferred embodiment, the counter-form 3 is reported in the cavity 4.
    [0004] This counter-form 3 is configured with a profile 4 corresponding (or inverse profile) to that of the patch 10. One or more ventilation orifices 5 are advantageously provided. In the illustrated example, the ventilation orifices 5 connect the support 10 to be molded to the mold 1. FIG. 1 also shows a portion of tire 12 against which the patch will be integrated. In a conventional manner, the tire is maintained, on the side opposite to the patch 10, by a membrane 13 and the inner portion of the mold 1. MOLDING IN A CAVITY COMPRISING A REMOVABLE MOLDING ELEMENT [0033] According to this embodiment, an element of the removable mold or counter-form 3 is provided in the cavity 2 of the mold 1. The removable mold element has the advantage of allowing the elements 10 constituting the patch 10 to be put out of the mold 1 of the tire , thus facilitating the manipulations to be implemented. [0034] FIG. 2 illustrates an alternative embodiment in which magnets 15 and 16 are provided between the counter-form 3 and the mold 1. In the illustrated example, a magnet 16 is arranged on the back of the counterform. 3, and a second magnet 15, of opposite sign, is arranged against the corresponding wall of the mold 1. These magnets facilitate the establishment of the counterform 3 in the mold 1. Alternatively, a single magnet 15 or 16 is planned. A seal 14 also makes it possible to seal the free zone between the counterform 3 and the cavity 2 of the mold. SPECIFICITIES OF THE PATCH [0035] Independently of the mold variant used, the elements used for the shaping of the patch 10 may be preformed (for example by stamping) before they are put in place, or shaped by injection molding. an elastomeric composition. The shaping can also be carried out by assembling partially crosslinked elements, at least one electronic module and / or an elastomer composition. Depending on the function of the electronic module or modules 11 inserted in the patch 10, the latter, and therefore the cavity or cavity 2 in the mold 1 of the tire, can be located in any zone of the mold. For example, in the case where the electronic module 11 is provided to perform a localized measurement function or a function related to a power generation system, the position is determined according to the physical parameters concerned. By way of example, a patch 10 may be provided in a sculpture element for a measurement of adhesion or effort, at the equator for a piezoelectric energy generation system. In the case of a system without a measurement function, such as for example a single support, or an autonomous function of the "RFID" data transmission type, the position of the patch 10 is determined in order to establish a good compromise between the mechanical stresses of the tire in use on the one hand, and the simplicity of access in the mold on the other hand. P10-3427en 3029832 -s Part numbers used in figures 1 Mold 2 Cavity 3 Counterform 4 Bracket molding profile 5 Ventilation hole 10 Bracket ("Patch") 11 Electronics module 12 Pneumatic 13 Diaphragm 14 Gasket 15 Counter-shaped magnet 16 Mold magnet P10-3427en
    权利要求:
    Claims (10)
    [0001]
    REVENDICATIONS1. A method of laying a support (10) for an electronic module (11) against a wall of a tire (12), comprising the steps of: i) a mold cavity (2) is provided in a mold (1); ii) a non-vulcanized support (10) is disposed in said molding cavity (2); iii) the unvulcanized support (10) is cured simultaneously with the other components of the tire (12).
    [0002]
    2. The method of laying a support according to claim 1, wherein a counter-form (3) having a profile (4) corresponding to that of the support to be molded is disposed in the cavity (2) molding.
    [0003]
    3. A method of laying a support according to claim 2, wherein the counterfoil (3) is removably arranged.
    [0004]
    4. The method of laying a support according to one of claims 2 or 3, wherein the carrier (10) unvulcanized is shaped directly in the against-shape (3).
    [0005]
    5. A method of laying a support according to one of claims 1 to 4, wherein the carrier (10) unvulcanized is partially crosslinked prior to insertion into the cavity.
    [0006]
    6. The method of laying a support according to one of claims 1 to 5, wherein the carrier (10) unvulcanized is preformed prior to insertion into the cavity.
    [0007]
    7. The method of laying a support according to one of claims 1 to 6, wherein the carrier (10) uncured vulcanized is shaped by injection of an elastomeric composition. P10-3427en 3029832 -10-
    [0008]
    8. A method for laying a support according to one of claims 1 to 7, wherein the unvulcanized support (10) is shaped by assembling partially crosslinked elements, at least one electronic module (11) and an elastomeric composition. 5
    [0009]
    Pneumatic mold comprising a cavity (2) provided with a counter-form (3) whose profile (4) corresponds to that of a support (10) for an electronic module (11) intended to be molded in the mold , said mold being intended for carrying out the method of laying the support according to one of claims 1 to 8.
    [0010]
    Tire mold according to claim 9, wherein the counterfoil (3) is removable. P10-3427fr
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE3046572A1|1980-12-11|1982-07-15|Continental Gummi-Werke Ag, 3000 Hannover|Integral lettering in tyre sidewalls - where tapered relief pattern on mould tool cuts out letters for integral vulcanisation|
    DE3046625A1|1980-12-11|1982-07-22|Continental Gummi-Werke Ag, 3000 Hannover|Markings in tyre sidewall - coloured rubber in negative pattern is vulcanised with backing and moulded with sidewall|
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    US20070246151A1|2004-02-12|2007-10-25|The Goodyear Tire & Rubber Company|Method for incorporating an annular antenna and electronics into a tire|
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    US20050257868A1|2004-05-21|2005-11-24|Adamson John D|Process and device for incorporating electronics into a tire|
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    US20140261944A1|2013-03-15|2014-09-18|The Goodyear Tire & Rubber Company|Encasing for releasably containing a device and tire containing such encasing or encased device|FR3030055B1|2014-12-11|2017-01-13|Michelin & Cie|AUTONOMOUS ELECTRONIC SYSTEM|
    FR3037200B1|2015-06-03|2017-05-26|Michelin & Cie|RADIOFREQUENCY TRANSPONDER FOR PNEUMATIC|
    FR3041285B1|2015-09-18|2017-10-27|Michelin & Cie|PNEUMATIC HAVING PASSIVE TRANSPONDER AND METHOD FOR COMMUNICATING SUCH PNEUMATIC|
    FR3059606A1|2016-12-05|2018-06-08|Compagnie Generale Des Etablissements Michelin|RADIO FREQUENCY COMMUNICATION MODULE FOR TIRES|
    FR3059605A1|2016-12-05|2018-06-08|Compagnie Generale Des Etablissements Michelin|PNEUMATIC ENVELOPE EQUIPPED WITH AN ELECTRONIC MEMBER|
    FR3059607A1|2016-12-05|2018-06-08|Compagnie Generale Des Etablissements Michelin|RADIO FREQUENCY COMMUNICATION MODULE FOR TIRES|
    EP3793812A2|2018-05-17|2021-03-24|Compagnie Generale Des Etablissements Michelin|Method for producing a tire provided wth a radiofrequency communications module|
    法律状态:
    2015-12-21| PLFP| Fee payment|Year of fee payment: 2 |
    2016-06-17| PLSC| Search report ready|Effective date: 20160617 |
    2016-12-22| PLFP| Fee payment|Year of fee payment: 3 |
    2017-12-21| PLFP| Fee payment|Year of fee payment: 4 |
    2019-09-27| ST| Notification of lapse|Effective date: 20190906 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1402853A|FR3029832B1|2014-12-15|2014-12-15|SUPPORT INSTALLATION METHOD FOR ELECTRONIC PNEUMATIC MODULE|FR1402853A| FR3029832B1|2014-12-15|2014-12-15|SUPPORT INSTALLATION METHOD FOR ELECTRONIC PNEUMATIC MODULE|
    US15/536,215| US20170341323A1|2014-12-15|2015-12-13|Method for installing a mounting for an electronic tire module|
    CN201580075631.2A| CN107206715A|2014-12-15|2015-12-13|The method for installing the placement thing for tire electronics module|
    EP15825809.5A| EP3233453B1|2014-12-15|2015-12-13|Method for installing a mounting comprising an electronic tyre module|
    PCT/IB2015/002329| WO2016097837A1|2014-12-15|2015-12-13|Method for installing a mounting for an electronic tyre module|
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