• 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:
    Anti-puncture product for tires (1), of the type comprising a suspension of particles (3a, 3b) not soluble in a liquid medium (4), intended to be introduced into the interior of the tire (1) and plug the puncture (5), wherein the liquid medium (4) comprises a homogeneous mixture of: 55% -75% glycerin, and 25% -45% water. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2556911A1
    申请号:ES201500727
    申请日:2015-10-13
    公开日:2016-01-20
    发明作者:Fernando MARTÍ ORTIZ
    申请人:Smart Prod Co S L；Smart Product Company SL；
    IPC主号:
    专利说明:

    TIRE ANTIPINCHAZOS PRODUCT
    DESCRIPTION
    OBJECT OF THE INVENTION
    10
    The present invention relates to an anti-puncture product for tires, usable for the prevention and immediate repair of punctures in tires of telescopes such as cars, motorcycles, trucks and the like.
    BACKGROUND OF THE INVENTION
    At present, anti-puncture products are known which comprise a suspension of particles that are not soluble in a liquid medium, intended to be introduced inside the tire, so that the rotation of the wheel distributes the product inside the tire, covering the same. In case of a puncture this coating acts as an inner chamber that blocks the tire failure caused by the puncture.
    Sometimes this product comprises components that can be corrosive or that attack the tire material in the long term, with the consequent danger of bursting.
    These products present various problems, among which are:
    -sealing defects due to the low viscosity of the liquid medium, so repair 25 is often ineffective.
    -High weight, which can change the behavior of the vehicle or produce vibrations. Changes in behavior with temperature variations, a frequent problem that is also inevitable considering that the operating regime of a tire implies frequent and even sudden changes in temperature.
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    DESCRIPTION OF THE INVENTION
    The anti-puncture product of the invention has a constitution that solves the exposed technical problems.
    The anti-puncture product for tires is of the type that comprises a suspension of particles that are not soluble in a liquid medium, intended to be introduced inside the tire, so that it is distributed perimetrically through the interior of the tire, forming an inner coating that, in case of puncture is introduced by the opening of the puncture by the internal inflation pressure, making a seal thanks to the particles included therein in cooperation with the adherent properties that the liquid medium additionally has.
    10 With this basic configuration, and according to the invention, the liquid medium comprises a homogeneous mixture of:
    55% -75% glycerin, and 25% -45% water
    15 With this configuration, in general it is possible to increase the density of the liquid medium by increasing the capacity of clogging of the product, being therefore able to plug punctures of greater size or involvement of the tire, by offering a greater friction with the edges of the same .
    20 Because the high density of glycerin, a good result would not be expected in terms of dispersion of the non-soluble particles, which constitutes a prejudice or reason why it is not used in puncture products. For this reason the invention has provided that preferably some or all of the non-soluble particles are preimpregnated in glycerin before being added to the liquid medium in the preparation of the
    25 product
    Other advantages of using this liquid medium in the product include:
    -Glycerin is a non-polluting and biodegradable substance in the medium term, so the
    30 product has no environmental impact.
    -Glycerin gives the homogeneous mixture a very low freezing point, avoiding crystallization at low temperatures. In this way, in the event of a puncture, the sealing properties are maintained even if the vehicle is left outdoors and the
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    tire cooling, situation where other similar products lose effectiveness and where tire deflation occurs.
    - Likewise, glycerin gives the homogeneous mixture a high boiling temperature, so it keeps the properties of the product equally at high temperatures.
    In addition, as unexpected effects due to the high hydrophilicity of glycerin, a significant increase in the stability of the mixture has been found, resulting in a decrease in water volatility that would impair the proportions of the mixture, preventing the density increase excessively and allowing an optimal distribution inside the tire. In addition, the product does not stick when the tire is rotated, preventing the coating from being punctured by a sharp object that causes a puncture. In addition, oxidations do not occur in the mixture that can also damage the properties of the product over time and changes in temperature due to use.
    BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1 shows a section of a tire through which the product of the invention is applied, and with a nail that is producing a puncture
    Figure 2 shows a section similar to that shown in Figure 1, where the sealant action appears on the puncture, once the nail has been removed.
    Figure 3 shows an enlarged detail, from inside the tire, of the puncture seal.
    DESCRIPTION OF A PRACTICAL EMBODIMENT OF THE INVENTION
    The tire puncture product (1) of the invention has a basic configuration of the type comprising a suspension of particles (3a, 3b) not soluble in a liquid medium (4), intended to be introduced inside the tire (1) and plug the puncture (5) (see figs. 1 and 2), where according to the invention, the liquid medium (4) comprises a homogeneous mixture of:
    55% -75% glycerin, and
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    25% -45% water.
    Within this range, better performance has been found if the homogeneous mixture of the liquid medium (4) comprises:
    66% glycerin, and 34% water.
    Some or all of the particles (3a, 3b) not soluble are preimpregnated in glycerin before being added to the liquid medium (4), which favors their dispersion through the liquid medium
    (4).
    In a very preferred variant of the invention, the water contained in the homogeneous mixture of the liquid medium (4) comprises distilled water, so that the existence of contaminants that can affect the operation and / or stability of the product is avoided. In addition, it is envisaged that the homogeneous mixture of the liquid medium (4) may additionally comprise biocidal products that will prevent the proliferation of fungi or other microorganisms in the moist environment and that may affect the properties of the product, or impair the integrity of the tire ( one). Such biocides, for example, may comprise commercial mixtures of 1,2-benzothiazol-3 (2H) -one, 2-methyl-2H-isothiazol-3-one and N- (3-Aminopropyl) -N-dodecylpropane-1,3- diamine, such as MBX® parmetol, and its maximum proportion will be that admitted by the safety regulations for use, at most 1% by volume and 99% of the glycerin and water mixture in the aforementioned proportions.
    As non-soluble particles, traction resistant particles (3a) can be used that will internally form an interlocking (2) on the corners (10) of the puncture (5), as seen in Figure 3, thanks to the viscosity of the medium liquid (4) that retains the exit of said interlaced (2) by the puncture (5), and with the optional cooperation of filling particles (3b), which fill the gaps of said interlaced (2). Optionally you could also use only filler particles (3b), which would work well in small punctures, but for large punctures it is preferred to use them together with tensile particles (3a).
    The tensile resistant particles (3a) most preferably comprise fibers of
    hollow tubular carbon, which improves the internal moisture retention of the liquid medium (4)
    by capillarity increasing friction with it and consequently the sealing effect.

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    Said carbon fibers have ideally lengths between 0.1 and 0.5 millimeters. On the other hand, the filler particles (3b) preferably comprise titanium dioxide particles, due to the great hardness and economy thereof, being able to reach very fine particle sizes with great penetration and sealing power of the puncture. The granulometrla of the same will be varied, and ideally between 0.1 and 1 millimeters, so that some of them penetrate and seal the puncture, while others are those that will be retained between the gaps of the interlacing (2) forming a plug. In addition, the use of titanium dioxide particles serves as a witness for the localization of the puncture, since they are of white color and those of smaller size that penetrate through the puncture (5) will end up overflowing with the outside of the tire (1), marking the place where the nail (7) entered (see fig 1) that generates the puncture (5).
    Additionally, the filler particles (3b) may comprise clays (sepiolite and bentonite) and / or rubber particles, which generate large friction with each other, improving sealing. Its preferred particle size would be similar to that of titanium dioxide particles.
    Described sufficiently the nature of the invention, as well as the way of carrying it out in practice, it should be noted that the provisions indicated above and represented in the attached drawings are subject to modifications in detail as long as they do not alter the fundamental principle.
    权利要求:
    Claims (12)
    [1]
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    1. Anti-puncture product for tires (1), of the type comprising a suspension of particles (3a, 3b) not soluble in a liquid medium (4), intended to be introduced inside the tire (1) and plug the puncture ( 5); characterized in that the liquid medium (4) comprises a homogeneous mixture of:
    55% -75% glycerin, and 25% -45% water.
    [2]
    2.-Tire puncture product for tires (1) according to claim 1 characterized in that the liquid medium (4) comprises a homogeneous mixture of:
    66% glycerin, and 34% water.
    [3]
    3. Anti-puncture product for tires (1) according to any of the preceding claims characterized in that some or all of the particles (3a, 3b) not soluble are preimpregnated in glycerin before being added to the liquid medium (4).
    [4]
    4. Anti-puncture product for tires (1) according to any of the preceding claims characterized in that the water of the homogeneous mixture of the liquid medium (4) comprises distilled water.
    [5]
    5. Anti-puncture product for tires (1) according to any of the preceding claims characterized in that the homogeneous mixture of the liquid medium (4) additionally comprises biocidal products.
    [6]
    6. Anti-puncture product for tires (1) according to any of the preceding claims characterized in that the non-soluble particles comprise tensile resistant particles (3a).
    [7]
    7. Anti-puncture product for tires (1) according to claim 6 characterized in that the tensile resistant particles (3a) comprise carbon fibers.
    [8]
    8.-Product puncture for tires (1) according to claim 7 characterized in that
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    Carbon fibers are hollow tubular.
    [9]
    9. Anti-puncture product for tires (1) according to any of claims 7 or 8, characterized in that the carbon fibers have lengths between 0.1 and 0.5 millimeters.
    [10]
    10. Anti-puncture product for tires (1) according to any of the preceding claims characterized in that the non-soluble particles comprise filler particles (3b) comprising titanium dioxide particles.
    [11]
    11.-Tire puncture product (1) according to any of the preceding claims characterized in that the non-soluble particles comprise filler particles (3b) comprising particles of clays and / or rubber.
    [12]
    12. Anti-puncture product for tires (1) according to any of claims 10 or 11, characterized in that the filler particles (3b) have particle size between 0.1 and 1 millimeters.
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    同族专利:
    公开号 | 公开日
    WO2017064344A1|2017-04-20|
    ES2556911B1|2016-11-02|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB292835A|1927-11-08|1928-06-28|Shapurji Sorabji|Improvements in puncture proofing cement for pneumatic tyres|
    GB767168A|1954-04-12|1957-01-30|Edward Augustus Ladner|Puncture sealing composition|
    FR2031603A5|1969-01-10|1970-11-20|Bartoletti Fidel|Protective material for tubed and tubeless - tyres |
    GB1486746A|1976-02-03|1977-09-21|Toray Industries|Reinforcing yarns|
    JP2004249888A|2003-02-21|2004-09-09|Bridgestone Corp|Pneumatic tire|
    RU2388781C2|2007-09-24|2010-05-10|Виктор Иванович Бурьяница|Liquid seal for pneumatic tyres of vehicles|
    WO2009046496A1|2007-10-09|2009-04-16|Trydel Research Pty Ltd|Improved sealing composition|
    RU2011109829A|2011-03-15|2012-09-20|Иван Митрофанович Першин |LIQUID SEALANT FOR PNEUMATIC VEHICLE TIRES|
    US20150018481A1|2013-07-15|2015-01-15|The Goodyear Tire & Rubber Company|Preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component|WO2018215677A3|2017-05-25|2019-01-24|Torres Sanchez Antonio Jose|Product for preventing and repairing sealing defects in pneumatic balloons, pneumatic suspension and vehicle wheels|US2357650A|1940-04-08|1944-09-05|Blanche R Connolly|Puncture sealing composition and manufacture thereof|
    FR2874616B1|2004-08-31|2007-06-01|Ruiz Maria Amelia Ramon|HOMOGENEOUS CHEMICAL RANGE OF HIGH VISCOSITY ANTI-CUP FLUID AND ITS VARIANTS, FORMING AN ADDITIONAL REINFORCING LAYER ON THE TREAD BAND AND ON THE FLANKS OF TIRES|
    US7388041B2|2006-03-24|2008-06-17|Accessories Marketing, Inc.|Puncture sealing agent for a tire, and process for producing the same|
    US20080115872A1|2006-11-16|2008-05-22|Paul Harry Sandstrom|Butyl rubber which contains organoperoxide and isobutyene adsorbing activated carbon, pneumatic tire with built-in sealant and method|
    法律状态:
    2016-11-02| FG2A| Definitive protection|Ref document number: 2556911 Country of ref document: ES Kind code of ref document: B1 Effective date: 20161102 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201500727A|ES2556911B1|2015-10-13|2015-10-13|Tire puncture product|ES201500727A| ES2556911B1|2015-10-13|2015-10-13|Tire puncture product|
    PCT/ES2016/070712| WO2017064344A1|2015-10-13|2016-10-06|Puncture-sealing product for tires|
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