EP3890534B1 - Verfahren zur überwachung oder visualisierung der laufgeschwindigkeit eines sportlers und sportbekleidung - Google Patents

Verfahren zur überwachung oder visualisierung der laufgeschwindigkeit eines sportlers und sportbekleidung Download PDF

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Publication number
EP3890534B1
EP3890534B1 EP18829217.1A EP18829217A EP3890534B1 EP 3890534 B1 EP3890534 B1 EP 3890534B1 EP 18829217 A EP18829217 A EP 18829217A EP 3890534 B1 EP3890534 B1 EP 3890534B1
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European Patent Office
Prior art keywords
garment
shoe
piece
liquid crystal
weight
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EP18829217.1A
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English (en)
French (fr)
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EP3890534A1 (de
Inventor
Baljinder Kaur MILES
Hugh CLARKE
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Puma SE
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Puma SE
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/0015—Sports garments other than provided for in groups A41D13/0007 - A41D13/088
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/28—Means for ventilation
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0027—Footwear characterised by the material made at least partially from a material having special colours
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/242—Collapsible or convertible characterised by the upper
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/06—Running shoes; Track shoes
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
    • A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/12—Surgeons' or patients' gowns or dresses
    • A41D13/1236—Patients' garments
    • A41D13/1281—Patients' garments with incorporated means for medical monitoring
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2600/00—Uses of garments specially adapted for specific purposes
    • A41D2600/10—Uses of garments specially adapted for specific purposes for sport activities

Definitions

  • the invention relates to a method for monitoring or visualizing the running speed of an athlete. Furthermore, the invention relates to an athletic garment or shoe.
  • WO 2018/196939 A1 which discloses the preamble of claim 6, and discloses sports garment which is provided with a Phase Change Material and a thermochromic dye. It is aimed here to better stabilize the body temperature of an athlete and to visually control the same. Similar and other solutions are known from WO 2016/086172 A1 , from US 2013/0263352 A1 and from EP 3 335 582 A1 .
  • thermochromic dye leuco dye or liquid crystal
  • leuco dye or liquid crystal can be used as the material which changes its color. All suitable materials are referred herein as being a thermochromic dye.
  • the at least one thermochromic dye comprises a liquid crystal.
  • the piece of garment can be a jacket or shirt, wherein the at least one thermochromic dye is applied on a chest region of the jacket or shirt. Also, the at least one thermochromic dye can be applied (additionally of alternatively) on a front sleeve region of the jacket or shirt.
  • thermochromic dye can also be applied on a forefoot region of the shoe.
  • a further kind of garment according to the invention can be a cover or overcoat for a shoe (detachable slip as shoe cover) which is worn at some kinds of sports.
  • the athletic garment or shoe comprises a section which covers a part of the body of the athlete.
  • an outer surface of the section is provided with a coating which comprises at least one thermochromic dye or at least one liquid crystal or that the piece of garment or the shoe is made at least partially of a material, especially by a yarn, which comprises at least one thermochromic dye or at least one liquid crystal, wherein the garment or shoe also comprises regions where elements are provided to influence the aerodynamic drag of the garment or shoe, such that the aerodynamic effects are reduced and a more relevant part of the airstream effects the cooling of the piece of garment or shoe and thus effects the appearing color of the thermochromic dye or liquid crystal.
  • thermochromic ink By the combination of the elements for influencing the aerodynamic drag and the use of thermochromic ink the desired effect, i. e. to achieve a correlation between the running speed of the athlete and the color of the thermochromic dye during running, is stabilized because the aerodynamic effects are reduced and a more relevant part of the airstream effects the cooling of (e. g) the chest region of the garment and thus effects the appearing color of the thermochromic dye.
  • thermochromic dye comprises again preferably a liquid crystal.
  • the liquid crystal is contained in a mixture which is applied to the garment, wherein the percentage of the liquid crystal in the mixture is between 30 weight-% and 65 weight-%, preferably between 40 weight-% and 55 weight-%.
  • the mixture further contains polyether, wherein the percentage of polyether in the mixture is between 20 weight-% and 50 weight-%, preferably between 25 weight-% and 40 weight-%.
  • the mixture can further contain glycerol, wherein the percentage of glycerol in the mixture is between 3 weight-% and 9 weight-%, preferably between 5 weight-% and 7 weight-%.
  • the athletic garment can be a jacket or shirt, wherein the section which is provided with the coating is a chest region of the jacket or shirt. Also, the athletic garment can be a jacket or shirt, wherein the section which is provided with the coating is a front sleeve region of the jacket or shirt.
  • the athletic garment can also be trunks, wherein the section which is provided with the coating is a front leg region of the trunks.
  • the elements which influence the aerodynamic drag of the garment are preferably pads, specifically with a round circumference, which are arranged on the outer surface of the piece of garment.
  • a specifically preferred embodiment suggests that a plurality of substantially rod-shaped sticks is arranged on the pads or are forming the pads which sticks extend normal (perpendicular) on the outer surface of the piece of garment.
  • the garment has at least one further section which is provided with venting elements.
  • venting elements are preferably arranged at the spine side of the garment.
  • the venting elements can be designed as a pattern of openings, especially of holes, which are machined into the material of the piece of garment or which are produced at the production (e. g. knitting) process of the garment.
  • the coating can be applied to the piece of garment by means of a printing process, by means of a spraying process or by means of a painting process. Also other methods can be used for applying the coating, like for example heat transfer applications, but also conventional methods.
  • the piece of garment can have or can be a textile substrate which comprises synthetic fibers, especially of polyester, polyamide or elastane; also natural fibers, especially of cotton, are possible.
  • thermochromic dyes are well known in the art. Generally, thermochromism is the property of substances to change their color due to a change in temperature. A thermochromic dye (also called thermochromic ink) is a temperature sensitive compound which temporarily changes its color with exposure to heat.
  • thermochromic dyes are disclosed in other publication to which reference is made explicitly: In DE 20 2013 104 519 U1 the use of thermochromic ink is used at garments. Similar solutions are known from EP 1 631 161 B1 , US 2004/0237164 A1 , GB 2 469 745 A , MX 2009/007299 A and US 5,376,699 A . Specifically liquid crystal in connection with a thermochromic dye is disclosed in EP 2 924 494 A1 , EP 2 924 495 A , EP 2 927 736 A1 , EP 2 927 737 A1 and EP 2 933 675 A1 . The same applies with respect to US 4,642,250 .
  • FIG 1 an athlete 1 is depicted who wears a piece of garment 2 and sports shoes 2'.
  • the garment 2 has a chest region 5 which covers the chest of the athlete 1 during intended use of the garment 2.
  • the garment 2 has regions in the lateral area of the same which are provided with elements to influence the aerodynamic drag during running.
  • FIG 2 an upper part of the garment 2 is shown which covers the upper part of the body of the athlete 2.
  • the outer surface 4 of the garment 2 is provided with a coating 3 (having a dot pattern in the case of the shown embodiment).
  • the coating 3 consists of a mixture which is or which contains a thermochromic dye.
  • thermochromic dye respectively are sensitive with respect to the temperature. Depending on the temperature the color of the thermochromic dye changes.
  • thermochromic dye comprises a liquid crystal, wherein the liquid crystal is contained in the mixture which is applied onto the outer surface 4 of the garment 2.
  • the percentage of the liquid crystal in the mixture is here about 45 weight-% of the mixture.
  • the applied coating 3 is thus an optically active mixture of organic chemicals that is highly temperature sensitive and changes the color accordingly. In the present case it start with the color black at a low temperature (for example below 10 °C) and takes the colors of a rainbow (from red to blue) with rising temperatures until the color black is given again at high temperatures (for example above 45 °C). The color change is reversible.
  • This effect is used to determine the running speed v of the athlete 1 as depicted in figure 3 .
  • the chest region 5 is exposed to the airflow which is produced during running.
  • the cooling effect especially of the chest region 5 is increasing and thus the temperature of the coating 3 in the chest region 5 is decreasing the faster the athlete 1 runs.
  • the color of the coating 3 changes from C 1 to C 2 and C 3 .
  • An observer 11 can observe the chest region 5 of the runner and can thus determine the (approximate) actual running speed of the athlete 1.
  • FIG. 4 A first embodiment of the elements 7 are depicted in figure 4 .
  • a plurality of pads 8 are arranged on the outer surface 4 of the garment 2.
  • the pads 8 have a substantially circular outer circumference. Thereby, the diameter of the pads 8 varies.
  • Each pad is established by a plurality of substantially rod-shaped sticks 9 which extend perpendicular outwards from the outer surface 4 of the garment.
  • the diameter of the substantially rod-shaped sticks 9 are preferably between 0.25 to 1.0 mm.
  • the length (measures in the direction perpendicular to the outer surface 4) is preferably between 1.0 mm and 4.0 mm.
  • the specifically preferred height is 2.0 mm.
  • FIG. 5 An alternative embodiment of the elements 7 is shown in figure 5 .
  • the pads 8 have also a circular circumference.
  • the pad 8 is a cylindrical element with a height between 1.0 mm and 4.0 mm.
  • the upper plateau of each pad 8 is flat (in distinction to the pads according to figure 4 ).
  • the pads 8 consist preferably of silicon or rubber.
  • venting elements 10 are arranged in the spine region of the garment and the athlete respectively. As can be seen the venting element 10 is established by a plurality of openings which are machined into the base substrate of the garment 2.
  • Holes of different diameter which can be arranged in groups as depicted in figure 6 , have been proven to supply a good venting effect to the spine region of the athlete.
  • the openings can be produced by a knitting process (warp knit holes), i. e. during the production process of the base material of the piece of garment 2.
  • the garment 2 is preferably designed as a seamless textile part.
  • the same is arranged preferably in the rear side of the garment so that it has no influence on the above described effect.
  • the seams are produced by ultrasonic bonding.
  • the proposed garment and respective method allows a visual observation of the actual running speed of the athlete 1 by an eye-catching color change effect. It is the result of the convection cooling effect during the sprint of the athlete 1.
  • the mixture which is applied as coating 3 the following effect can be obtained:
  • the appearance of the chest region of the garment is blue (color C 1 ) at a running speed of 30 km/h (8.33 m/s), becomes green (color C 2 ) at a running speed of 34 km/h (9.44 m/s) and becomes finally yellow (color C 3 ) at a speed of 38 km/h (10.56 m/s). So, an observer 11 can see which performance is currently achieved by the athlete already during the competition.
  • the application of the coating 3 is preferably done by a printing process which allows an economical production.
  • thermochromic dye it is for example also possible to use a fiber or yarn for the garment or shoe which already contains the dye.
  • a fiber or yarn can for example be covered or coated with the thermochromic dye.
  • an extrusion process can be employed.
  • the piece of garment is produced (for example knitted or weaved) by using the respective prepared yarn or fiber.

Claims (19)

  1. Verfahren zur Überwachung oder Visualisierung der Geschwindigkeit (v), insbesondere der Laufgeschwindigkeit, eines Sportlers (1), umfassend die Schritte:
    a) Bereitstellen eines Kleidungsstücks (2) oder eines Schuhs (2'), die von dem Sportler (1) während einer sportlichen Aktivität, insbesondere beim Laufen, getragen werden,
    wobei das Kleidungsstück (2) oder der Schuh (2') mit einer auf einer Außenfläche (4) des Kleidungsstücks (2) oder des Schuhs aufgebrachten Beschichtung (3) versehen ist, wobei die Beschichtung (3) mindestens einen thermochromen Farbstoff oder mindestens einen Flüssigkristall umfasst, oder
    wobei das Kleidungsstück (2) oder der Schuh (2') zumindest teilweise aus einem Material, insbesondere aus einem Garn, hergestellt ist, das mindestens einen thermochromen Farbstoff oder mindestens einen Flüssigkristall aufweist;
    b) Überwachen der Farbe (C1, C2, C3) des mindestens einen thermochromen Farbstoffs oder Flüssigkristalls während der sportlichen Aktivität des Sportlers (1), insbesondere beim Laufen;
    c) Beurteilung der Geschwindigkeit (v), insbesondere der Laufgeschwindigkeit, des Sportlers (1) anhand der aktuellen Farbe (C1, C2, C3) des mindestens einen thermochromen Farbstoffs oder Flüssigkristalls,
    wobei das Kleidungsstück (2) oder der Schuh (2') auch mindestens einen Bereich (6) umfasst, in dem Elemente (7) vorgesehen sind, um den Luftwiderstand des Kleidungsstücks (2) oder des Schuhs (2') zu beeinflussen, so dass die aerodynamischen Effekte reduziert werden und ein relevanterer Teil des Luftstroms die Kühlung des Kleidungsstücks (2) oder des Schuhs (2') und somit die erscheinende Farbe des thermochromen Farbstoffs oder Flüssigkristalls beeinflusst.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der mindestens eine thermochrome Farbstoff einen Flüssigkristall umfasst.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Kleidungsstück (2) eine Jacke oder ein Hemd ist und dass der mindestens eine thermochrome Farbstoff auf einen Brustbereich (5) der Jacke oder des Hemdes aufgebracht wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Kleidungsstück (2) eine Jacke oder ein Hemd ist und dass der mindestens eine thermochrome Farbstoff auf einen vorderen Ärmelbereich der Jacke oder des Hemdes aufgebracht wird.
  5. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der mindestens eine thermochrome Farbstoff auf einen Vorfußbereich des Schuhs (2') aufgebracht wird.
  6. Sportbekleidungsstück (2) oder Schuh (2') mit einem Abschnitt, der einen Teil des Körpers des Sportlers (1) bedeckt,
    wobei eine äußere Oberfläche (4) des Abschnitts mit einer Beschichtung (3) versehen ist, die mindestens einen thermochromen Farbstoff oder mindestens einen Flüssigkristall umfasst, oder dass das Kleidungsstück (2) oder der Schuh (2') zumindest teilweise aus einem Material, insbesondere aus einem Garn, hergestellt ist, das mindestens einen thermochromen Farbstoff oder mindestens einen Flüssigkristall umfasst,
    dadurch gekennzeichnet, dass
    das Kleidungsstück (2) oder der Schuh (2') auch mindestens einen Bereich (6) umfasst, in dem Elemente (7) vorgesehen sind, um den Luftwiderstand des Kleidungsstücks (2) oder des Schuhs (2') zu beeinflussen, so dass die aerodynamischen Effekte reduziert werden und ein relevanterer Teil des Luftstroms die Kühlung des Kleidungsstücks (2) oder des Schuhs (2') und somit die erscheinende Farbe des thermochromen Farbstoffs oder Flüssigkristalls beeinflusst.
  7. Sportbekleidungsstück oder Schuh nach Anspruch 6, dadurch gekennzeichnet, dass der thermochrome Farbstoff einen Flüssigkristall umfasst.
  8. Sportbekleidungsstück oder Schuh nach Anspruch 7, dadurch gekennzeichnet, dass der Flüssigkristall in einer Mischung enthalten ist, die auf das Kleidungsstück (2) oder den Schuh (2') aufgebracht wird, wobei der Prozentsatz des Flüssigkristalls in der Mischung zwischen 30 Gew.-% und 65 Gew.-%, vorzugsweise zwischen 40 Gew.-% und 55 Gew.-% liegt.
  9. Sportbekleidungsstück oder Schuh nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Mischung weiterhin Polyether enthält, wobei der Prozentsatz an Polyether in der Mischung zwischen 20 Gew.-% und 50 Gew.-%, vorzugsweise zwischen 25 Gew.-% und 40 Gew.-% liegt.
  10. Sportbekleidungsstück oder Schuh nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Mischung weiterhin Glycerol enthält, wobei der Prozentsatz an Glycerin in der Mischung zwischen 3 Gew.-% und 9 Gew.-%, vorzugsweise zwischen 5 Gew.-% und 7 Gew.-% liegt.
  11. Sportbekleidungsstück nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass das Sportbekleidungsstück (2) eine Jacke oder ein Hemd ist und dass der mit der Beschichtung (3) versehene Abschnitt ein Brustbereich (5) der Jacke oder des Hemdes ist.
  12. Sportbekleidungsstück nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass das Sportbekleidungsstück (2) eine Jacke oder ein Hemd ist und dass der mit der Beschichtung (3) versehene Abschnitt ein vorderer Ärmelbereich der Jacke oder des Hemdes ist.
  13. Sportbekleidungsstück nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass die Sportbekleidung (2) eine Sporthose ist und dass der mit der Beschichtung (3) versehene Abschnitt ein vorderer Beinbereich der Sporthose ist.
  14. Sportbekleidungsstück oder Schuh nach einem der Ansprüche 6 bis 13, dadurch gekennzeichnet, dass die den Luftwiderstand des Bekleidungsstücks (2) beeinflussenden Elemente (7) Pads (8), vorzugsweise mit rundem Umfang, sind, die auf der Außenfläche (4) des Bekleidungsstücks (2) angeordnet sind.
  15. Sportbekleidungsstück oder Schuh nach Anspruch 14, dadurch gekennzeichnet, dass auf den Pads (8) oder die Pads (8) bildend eine Vielzahl von im Wesentlichen stabförmigen Stäben (9) angeordnet sind, die sich senkrecht auf der Außenfläche (4) des Bekleidungsstücks (2) erstrecken.
  16. Sportbekleidungsstück oder Schuh nach einem der Ansprüche 6 bis 15, dadurch gekennzeichnet, dass es oder er mindestens einen weiteren Abschnitt aufweist, der mit Belüftungselementen (10) versehen ist.
  17. Sportbekleidungsstück oder Schuh nach Anspruch 16, dadurch gekennzeichnet, dass die Belüftungselemente (10) als ein Muster von Öffnungen, insbesondere von Löchern, ausgebildet sind, die in das Material des Bekleidungsstücks (2) eingearbeitet sind oder die bei der Herstellung des Bekleidungsstücks (2) oder Schuhs (2') hergestellt werden.
  18. Sportbekleidungsstück oder Schuh nach einem der Ansprüche 6 bis 17, dadurch gekennzeichnet, dass die Beschichtung (3) mittels eines Druckverfahrens, mittels eines Sprühverfahrens oder mittels eines Lackierverfahrens auf das Bekleidungsstück (2) oder den Schuh (2') aufgebracht ist.
  19. Sportbekleidungsstück oder Schuh nach einem der Ansprüche 6 bis 18, dadurch gekennzeichnet, dass das Bekleidungsstück (2) oder der Schuh (2') ein textiles Substrat aufweist oder ist, das synthetische Fasern, insbesondere aus Polyester, Polyamid oder Elastan, und/oder das natürliche Fasern, insbesondere aus Baumwolle, aufweist.
EP18829217.1A 2018-12-06 2018-12-06 Verfahren zur überwachung oder visualisierung der laufgeschwindigkeit eines sportlers und sportbekleidung Active EP3890534B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/083720 WO2020114596A1 (en) 2018-12-06 2018-12-06 Method for monitoring or visualizing the running speed of an athlete and athletic garment

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EP3890534A1 EP3890534A1 (de) 2021-10-13
EP3890534B1 true EP3890534B1 (de) 2023-10-18

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US (1) US20220015466A1 (de)
EP (1) EP3890534B1 (de)
JP (1) JP2022513688A (de)
CN (1) CN113226092B (de)
CA (1) CA3120024A1 (de)
WO (1) WO2020114596A1 (de)

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US11046243B2 (en) * 2017-11-21 2021-06-29 Wipro Limited Visual speed indication device for motor vehicles and method thereof

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CN113226092B (zh) 2023-08-22
CN113226092A (zh) 2021-08-06
WO2020114596A1 (en) 2020-06-11
CA3120024A1 (en) 2020-06-11
JP2022513688A (ja) 2022-02-09
US20220015466A1 (en) 2022-01-20
EP3890534A1 (de) 2021-10-13

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