WO2010021517A2 - Semelle intérieure de chaussure - Google Patents

Semelle intérieure de chaussure Download PDF

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Publication number
WO2010021517A2
WO2010021517A2 PCT/KR2009/004677 KR2009004677W WO2010021517A2 WO 2010021517 A2 WO2010021517 A2 WO 2010021517A2 KR 2009004677 W KR2009004677 W KR 2009004677W WO 2010021517 A2 WO2010021517 A2 WO 2010021517A2
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WO
WIPO (PCT)
Prior art keywords
insole
weight
parts
shoe
polyol
Prior art date
Application number
PCT/KR2009/004677
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English (en)
Korean (ko)
Other versions
WO2010021517A3 (fr
Inventor
김용덕
Original Assignee
주식회사 비엠시스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 비엠시스 filed Critical 주식회사 비엠시스
Publication of WO2010021517A2 publication Critical patent/WO2010021517A2/fr
Publication of WO2010021517A3 publication Critical patent/WO2010021517A3/fr

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/026—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a non-compressible fluid, e.g. gel, water
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0045—Footwear characterised by the material made at least partially of deodorant means
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials

Definitions

  • the present invention relates to an insole of a shoe.
  • Insole is a part directly contacted by a person's foot, which directly affects comfort, shock absorption, posture correction, and fatigue when wearing shoes. 'It is also a very important part of the aspect.
  • Conventional insole is made of a material such as sponge or foam rubber and has the same hardness as the whole regardless of the part, so when you wear shoes for a long time, repeated impact is not absorbed and you feel pain in the place where the load is concentrated. Or fatigue.
  • the conventional insole has a problem that the thickness is thin, so that the impact absorption effect is small, there is a limit to the inconvenience of inserting into the shoe when increasing the thickness of the insole for shock absorption.
  • the conventional insole has a fear of smell and harmful bacteria caused by sweating when used for a long time, when the shoe is worn barefoot in the summer, there was an inconvenience that the insole falls or dull when taking off the shoe due to sweat.
  • the present invention can provide a shock absorbing effect without increasing the thickness, and in part by varying the hardness, the comfort can be maintained even if used for a long time, and provides an insole of shoes having the function of antibacterial, anti-odor, anti-mildew .
  • the insole of the shoe made of a polyurethane gel (gel) material consisting of a central portion and the outer portion, the central portion, the diameter of the particles 50 to 100 parts by weight of polyol, polyol 0.05 to 2 parts by weight of 100 nm nano silver powder, and 25 to 45 parts by weight of isocyanate are mixed and cured into a gel.
  • the outer portion of the nanoparticle is 50 to 100 nm in diameter with respect to polyol and 100 parts by weight of polyol.
  • an insole of a shoe characterized in that it is formed by mixing 0.05 to 2 parts by weight of silver powder, and 20 to 45 parts by weight of isocyanate to harden into a gel. In the center portion, 0.5 to 15 parts by weight of toner may be further mixed with respect to 100 parts by weight of polyol.
  • the central portion may have a Shore hardness of 20 to 40
  • the outer portion may have a Shore hardness of 40 to 70.
  • the outer portion may be formed by curing in a mold of a predetermined shape for 5 to 20 minutes at a temperature of 60 to 80 degrees Celsius.
  • the insole may be inserted in the heel portion or the heel portion of the shoe, and in this case may further include a anti-rolling protrusion protruding from the surface of the insole, corresponding to the position between the sole and the toe supported by the insole.
  • the outer portion may be formed by further mixing 0.2 to 2 parts by weight of a foaming agent such as water, HCFC-141b, C-Pentane, etc. with respect to 100 parts by weight of polyol, and may further include cotton, polypropylene (PP), polyethylene (PE), and polyester. It may be covered with a fabric made of a material such as. In this case, the fabric may be silver nano-coated by sequentially repeating the process of applying and drying the silver nano stock solution having a concentration of 50 to 5000 ppm on the surface thereof.
  • a foaming agent such as water, HCFC-141b, C-Pentane, etc.
  • PP polypropylene
  • PE polyethylene
  • polyester polyester
  • the fabric may be silver nano-coated by sequentially repeating the process of applying and drying the silver nano stock solution having a concentration of 50 to 5000 ppm on the surface thereof.
  • the insole may be formed in a shape in which the thickness becomes thicker from the point corresponding to the inner side of the foot supported by the insole to the point corresponding to the outer side of the foot, in which case the insole has an inclination of 1 to 15 degrees and the thickness is increased. It can be formed to be thick.
  • a polyurethane as the material of the insole and varying its hardness according to the contact area of the foot, it is possible to obtain a shock absorbing effect without increasing the thickness of the insole, pain in the foot even if used for a long time Less fatigue and less, even if the insole is used for a long time by mixing nano silver powder with polyurethane or silver nano coating the surface of the insole can suppress the occurrence of odor or bacteria.
  • the insole according to the present embodiment is applied to the front heel portion, such as high heels, by forming a projection preventing protrusion in the position between the sole and the toe, it is possible to prevent the sole of the sole to be pushed even if worn for a long time.
  • the insole according to the present embodiment when the insole according to the present embodiment is applied to golf shoes, etc., by inclining the height of the insole from the inner side to the outer side of the foot, the foot is prevented from being pushed outwards or opening during golf swing, and can easily grasp the center. It can also help to correct the swing posture.
  • FIG. 1 is a plan view showing an insole of a shoe according to an embodiment of the present invention.
  • Figure 2 is a plan view showing an insole of a shoe according to another embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along line AA ′ of FIG. 2;
  • Figure 4 is a plan view showing an insole of a shoe according to another embodiment of the present invention.
  • FIG. 5 is a sectional view taken along line BB ′ in FIG. 4;
  • center part 3 outer part
  • FIG. 1 is a plan view showing an insole of a shoe according to an embodiment of the present invention. Referring to FIG. 1, a central portion 1 and an outer portion 3 are shown. 1 illustrates a form in which the insole according to the present embodiment is inserted into the heel portion of the shoe.
  • the present embodiment is characterized by maximizing the shock absorbing effect by varying the hardness of the insole of the shoe in accordance with the site of the load applied to the sole, that is, by varying the hardness for a specific part of the insole.
  • the insole according to the present embodiment is basically made of a polyurethane material formed by mixing and curing polyol and isocyanate.
  • the insole is made of a polyurethane material so that the density is uniform according to the contact position of the foot. Only the hardness can be adjusted differently.
  • the insole in the shape of the unevenness instead of manufacturing the insole in the shape of the unevenness by varying the thickness of the insole according to the area where the foot touches, that is, the area under load, it is easy to manufacture by adjusting the hardness differently for each site under load. And thinner thickness can derive more than equivalent shock absorbing effect.
  • the shoe insole according to the present embodiment is composed of a central portion 1 and an outer portion 3 and each portion is made of a polyurethane gel material having different hardness. That is, by adjusting the Shore hardness of each part of the shoe insole that is most closely related to the sole, the center portion (1) to 20 to 40, the outer portion (3) to 40 to 70 differently, wearing shoes To ease the foot and absorb the shock of the heel when walking, thereby protecting each joint of the body.
  • the material of the insole is a polyurethane gel without bubbles at all, instead of the foam, it is possible to prevent the insole from deforming when used for a long time, and maintain the original shape of the insole for a long time.
  • the mixing ratio of polyol and isocyanate is preferably mixed 25 to 45 parts by weight of isocyanate with respect to 100 parts by weight of polyol.
  • Polyols and isocyanates may be used as raw materials for the production of polyurethane, and various specifications may be used. For example, when Dow Chemical uses HA6059, HA6060, HB6013, and the like, the specifications of each product are shown in the following table.
  • the physical properties such as the hardness of the polyurethane gel can be adjusted by selecting an appropriate raw material and adjusting the mixing ratio of each raw material according to the part to be applied to the insole of the shoe and the use and function of the insole.
  • the physical properties in the case of mixing the raw materials in the above table are shown in the following table.
  • physical properties such as hardness of polyurethane gel can be adjusted by selecting specific polyol raw materials (HA6059, HA6060, etc.) or adjusting the ratio of each product appropriately and mixing and reacting with isocyanate (HB6013). have.
  • the nano silver powder may be further mixed 0.05 to 2 parts by weight with respect to 100 parts by weight of the polyol.
  • Nano silver powder may use a product having a particle diameter of about 50 to 100 nm, and is sufficiently dispersed so that the particles are not visible when mixed.
  • the gel-like polyurethane after hardening can be formed in desired color by mixing and disperse
  • the toner may be used in various colors as necessary.
  • the polyurethane gel to be applied to the central portion 1 according to the present embodiment can be formed. That is, a polyurethane gel having a Shore hardness of about 20 to about 40 is formed by curing the polyol and isocyanate in a low hardness mold having a thickness of about 1 to 10 mm.
  • the polyurethane gel formed at a low hardness can be used in a portion that receives a lot of load, such as a site where the heel touches, thereby maximizing the shock absorbing effect of the insole according to the present embodiment.
  • the outer portion 3 it is preferable to mix 20 to 45 parts by weight of isocyanate with respect to 100 parts by weight of polyol in order to form a polyurethane gel that is relatively harder than the central part 1.
  • polyols and isocyanates of various specifications may be used.
  • nano silver powder having a particle diameter of about 50 to 100 nm can be further mixed and dispersed with respect to 100 parts by weight of polyol in the same manner as in the case of the above-described center part 1.
  • a polyurethane gel By reacting the polyol and isocyanate mixed and dispersed in the nano silver powder in the above-described weight ratio, it is possible to form a polyurethane gel to be applied to the outer portion 3 according to the present embodiment. That is, by placing the mixture in a mold and curing for 5 to 20 minutes at a temperature of 60 to 80 degrees Celsius, a polyurethane gel having a Shore hardness of about 40 to 60 can be formed.
  • the insole according to the present embodiment is made of a non-foamed gel phase instead of using the existing foam, so that the original shape is preserved even when used for a long time, even if the insole is contaminated in the process of use can be easily washed and reused have.
  • the insole according to the present embodiment is divided into a central part 1 and an outer part 3 and has two different hardnesses according to parts, the hardness felt by the part of the wearer when wearing shoes is different, and the load is different. It can absorb the shock effectively in the part receiving a lot.
  • the polyurethane gel according to the present embodiment is mixed with nano silver powder of nano unit, it can exhibit the performance of antibacterial, anti-odor, anti-mildew, and the like performance of the nano silver powder according to the use, function, etc. of the shoe to be used insole. By adjusting the content, it is possible to ensure optimal performance.
  • the insole according to this embodiment contains nano silver powder directly in the raw material. By doing so, there is an advantage that a continuous effect is derived regardless of washing.
  • the polyol according to the present embodiment may be further mixed with the raw material of the fragrance as well as the nano silver powder to react and cure, thereby making it possible to feel a fresh fragrance such as herbal aroma.
  • the polyurethane insole according to the present embodiment has a certain degree of adhesiveness as it is, when the shoes are worn or taken off barefoot in the summer, there is a reduced risk of the insole falling or languishing, the state wearing the shoes The insole is also separated from the shoe to prevent it from moving separately.
  • the insole according to the present embodiment uses a hard material, which is slightly hard, to reduce the fatigue of the foot while maintaining the shape of the foot while reducing the fatigue of the foot. Received the most, the fatigue can easily come to the part, for example, the center of the heel (1), such as by using a soft low-hard material to enable more effective shock absorption.
  • the insole according to the present embodiment can obtain an excellent shock absorbing effect without increasing the thickness of the insole by using a special material, such as polyurethane gel as a material, can be used as a substitute for the existing insole or substitute for the existing insole Its excellent applicability, such as being replaceable.
  • a special material such as polyurethane gel as a material
  • aromatic raw materials such as aroma and herbal flavors may be added to the raw materials of insoles to improve the fit with a persistent fragrance, and antimicrobial and anti-odor effects may be obtained by adding nano silver powder.
  • FIG. 2 is a plan view showing an insole of a shoe according to another embodiment of the present invention
  • Figure 3 is a cross-sectional view taken along line AA 'of FIG. 2 and 3, a central portion 1, an outer portion 3, and a rolling preventing protrusion 5 are illustrated.
  • insoles inserted in shoes such as high heels are provided to prevent the shape of the foot from moving forward by protruding the anti-rolling protrusion 5 at an appropriate position on the insole.
  • the insole shown in Figures 2 and 3 is an example of the case that is inserted in shoes such as high heels to support the front heel portion of the sole, corresponding to the position between the sole and the toe of the anti-slip projection (5) on the surface of the insole It is insulated.
  • insoles used for high heels protrude the protrusions 5 at a height of about 1 to 3 mm corresponding to the position between the toes and the soles, thereby preventing the soles of the soles from moving forward in the heels during walking. will be.
  • the shape of the projection preventing protrusion 5 may correspond to the shape of the foot, for example, a fan shape or the like, as shown in Figure 2, by forming a shape that can be inserted into the bone between the sole and the toe as shown in Figure 2 Accordingly, the load acting on the anti-rolling protrusion 5 can be dispersed.
  • FIG. 4 is a plan view showing an insole of a shoe according to another embodiment of the present invention
  • Figure 5 is a cross-sectional view taken along line BB 'of FIG. 4 and 5, a central portion 1 and an outer portion 3 are shown.
  • insoles inserted in shoes such as golf shoes, by inclining the height of the insole from the inner side of the foot toward the outer side, thereby preventing the foot from being pushed out during the golf swing to correct the swing posture .
  • the insole according to the present embodiment is inserted in sneakers or work shoes such as golf shoes, and the base material is a polyurethane gel formed by reacting polyol and isocyanate as in the case of the above-described embodiment.
  • the low hardness polyurethane gel to be applied to the central part 1 may be prepared by mixing 25 to 45 parts by weight of isocyanate with respect to 100 parts by weight of polyol, and in order to derive effects such as antibacterial and deodorization, 100 parts by weight of polyol 0.05 to 2 parts by weight of nano silver powder having a particle diameter of about 50 to 100 nm may be further mixed and dispersed.
  • 0.5 to 15 parts by weight of the toner may be further mixed and dispersed with respect to 100 parts by weight of the polyol to form the polyurethane in a desired color, as in the case of the above-described embodiment.
  • the polyurethane gel to be applied to the central portion 1 according to the present embodiment can be formed. That is, a polyurethane gel having a Shore hardness of about 20 to about 40 is formed by curing the polyol and isocyanate in a low hardness mold having a thickness of about 1 to 10 mm.
  • the polyurethane gel formed at a low hardness can be used in a portion that receives a lot of load, such as a site where the heel touches, thereby maximizing the shock absorbing effect of the insole according to the present embodiment.
  • the outer portion 3 in order to form a polyurethane gel having a hardness that is relatively higher than the central portion 1, 20 to 45 parts by weight of isocyanate may be mixed with respect to 100 parts by weight of polyol, and 100 parts by weight of polyol With respect to the nano silver powder, 0.05 to 2 parts by weight can be further mixed and dispersed as described above.
  • the insole according to the present embodiment may be mixed with 0.2 to 2 parts by weight of a blowing agent such as water, HCFC-141b, C-Pentane, etc. with respect to 100 parts by weight of the polyol in the outer portion 3 to have foamability.
  • a blowing agent such as water, HCFC-141b, C-Pentane, etc.
  • the feet get sweaty depending on the activity, so the surface of the insole is covered with a fabric made of cotton, PP (Polypropylene), PE (Polyethylene), polyester, etc. Can be made smoothly.
  • the nano silver powder was mixed with the raw material to further develop the antibacterial and deodorant effect, and in this embodiment, the silver nano coating is also applied to the fabric covering the surface of the insole to prevent the antibacterial, deodorant and antifungal molds. The role was maximized.
  • the fabric can be subjected to the silver nano coating process.
  • the outer portion 3 of the insole according to the present embodiment, the nano-silver powder is mixed, dispersed polyol and isocyanate in the above-described weight ratio to put in the mold, and the surface of the fabric described above, after the Celsius By curing for 5 to 20 minutes at a temperature of 60 to 80 degrees, it is possible to form an expandable polyurethane gel having a Shore hardness of about 40 to 70 degrees.
  • the insole according to the present embodiment is divided into a central part 1 and an outer part 3 and has two different hardnesses according to parts, the hardness felt by the wearer for each part is different when the shoes are worn. It is as described above that the shock can be effectively absorbed in the part receiving a lot.
  • the polyurethane gel according to the present embodiment is mixed with nano silver powder of nano units, it can exhibit the performance of antibacterial, anti-odor, anti-mold, etc., by further mixing the raw materials such as nano silver powder and fragrance, reaction, By curing, it is possible to feel a fresh fragrance, such as herbal flavors as described above.
  • the insole according to the present embodiment can be applied to the golf shoes, in this case it can be inclined to the outside of the foot high and the inner low to prevent the golfer's foot to spread outwards and easily grasp the center during the swing of the golfers.
  • the height of the insole is increased so that the height increases from the point supporting the inner side of the foot ('IN' of FIG. 4) to the point supporting the outer side of the foot ('OUT' of FIG. 4). It can form, and the inclination can be made into about 1 to 15 degrees.
  • the inclination value may be variously formed in a range of 1 to 15 degrees, such as 1 to 5 degrees, or 5 to 15, depending on the use of the shoe.
  • the insole By forming the insole with the inclined shape and inserting it into the golf shoe, it smoothes the movement of the center of gravity during golf swing, helps to correct the wrong swing position of the lower body, and prevents the foot from being pushed out during the swing. have.
  • the wearer can feel that the fatigue is much reduced even though the direct difference is not felt.
  • the insole according to the present embodiment is not necessarily to be used only for golf shoes, of course, can be used for shoes of other uses to be worn in the case of high activity such as work shoes, running shoes.
  • the insole according to the present embodiment can stably prevent the phenomenon of weight loss on the outside of the right foot during backswing and the phenomenon of weight loss on the outside of the left foot during downswing by applying to golf shoes.
  • the insole according to the present embodiment can obtain an excellent shock absorbing effect without increasing the thickness of the insole by using a special material, such as polyurethane gel as a material, can be used as an alternative to the existing insole or substitute for the existing insole Its excellent applicability, such as being replaceable.
  • a special material such as polyurethane gel as a material
  • aromatic raw materials such as aroma and herbal fragrance may be added to the raw material of the insole to improve the fit with a continuous fragrance, and nano silver or charcoal coating is applied to the fabric to add nano silver powder to the raw material or to cover the surface.
  • nano silver or charcoal coating is applied to the fabric to add nano silver powder to the raw material or to cover the surface.
  • the antibacterial and anti-odor effect can be obtained by applying.

Abstract

La présente invention concerne une semelle intérieure de chaussure comportant une partie centrale et une partie extérieure et réalisée en matériaux à base de gel polyuréthanne. La partie centrale est formée par le mélange de polyols, par rapport à 100 parties en poids des polyols, de 0,05 à 2 parties en poids de poudre de nanoargent avec un diamètre de particules entre 50 et 100 nm, 0,5 à 15 parties en poids de toner, et de 25 à 45 parties en poids d’isocyanates, et le durcissement du mélange en forme d’un gel. La partie extérieure est formée par le mélange des polyols, par rapport à 100 parties en poids des polyols, de 0,05 à 2 parties en poids de poudre de nanoargent avec un diamètre de particules entre 50 et 100 nm, et de 20 à 45 parties en poids d’isocyanates, et le durcissement du mélange en forme d’un gel. On applique à la semelle intérieure de chaussure du polyuréthanne comme matériau de semelle intérieure et on différencie la dureté selon les parties en contact avec un pied. Par conséquent, il est possible d’obtenir un effet d’absorption de chocs sans accroître l’épaisseur de la semelle intérieure, et un peut réduire la douleur et la fatigue des pieds même lors d’une utilisation de longue durée. En outre, même si la semelle intérieure de chaussure est utilisée pour une longue durée, le mélange de poudre de nanoargent avec du polyuréthanne et le revêtement de la surface de la semelle intérieure avec du nanoargent empêchent la génération de mauvaises odeurs et de bactéries.
PCT/KR2009/004677 2008-08-21 2009-08-21 Semelle intérieure de chaussure WO2010021517A2 (fr)

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KR1020080081981A KR100919137B1 (ko) 2008-08-21 2008-08-21 신발의 인솔
KR10-2008-0081981 2008-08-21

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WO2010021517A3 WO2010021517A3 (fr) 2010-06-24

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
AU2013231200B1 (en) * 2013-09-25 2014-03-27 Coda, Andrea DR Podoquick
CN109330099A (zh) * 2018-08-31 2019-02-15 浙江理工大学 一种含纳米银颗粒的聚乙烯醇纳米纤维膜的抗菌鞋垫及其制备方法
USD903268S1 (en) 2019-02-06 2020-12-01 S. C. Johnson & Son, Inc. Insole
USD906658S1 (en) 2019-02-19 2021-01-05 S. C. Johnson & Son, Inc. Insole
US11744322B2 (en) 2018-05-08 2023-09-05 Puma SE Sole of a shoe, particularly an athletic shoe
US11926115B2 (en) 2018-05-08 2024-03-12 Puma SE Method for producing a sole of a shoe, in particular of a sports shoe

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KR101944126B1 (ko) * 2010-12-23 2019-04-17 프랑코 도크마노비치 해리스 항균성 콜로이드 실버 및 골드 제품 및 그의 제조 방법

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013231200B1 (en) * 2013-09-25 2014-03-27 Coda, Andrea DR Podoquick
US11744322B2 (en) 2018-05-08 2023-09-05 Puma SE Sole of a shoe, particularly an athletic shoe
US11926115B2 (en) 2018-05-08 2024-03-12 Puma SE Method for producing a sole of a shoe, in particular of a sports shoe
CN109330099A (zh) * 2018-08-31 2019-02-15 浙江理工大学 一种含纳米银颗粒的聚乙烯醇纳米纤维膜的抗菌鞋垫及其制备方法
USD903268S1 (en) 2019-02-06 2020-12-01 S. C. Johnson & Son, Inc. Insole
USD906658S1 (en) 2019-02-19 2021-01-05 S. C. Johnson & Son, Inc. Insole
USD935758S1 (en) 2019-02-19 2021-11-16 S. C. Johnson & Son, Inc. Insole

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WO2010021517A3 (fr) 2010-06-24

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