WO2010062039A2 - Unite coussinet pour chaussure et chaussure la comprenant - Google Patents

Unite coussinet pour chaussure et chaussure la comprenant Download PDF

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Publication number
WO2010062039A2
WO2010062039A2 PCT/KR2009/006131 KR2009006131W WO2010062039A2 WO 2010062039 A2 WO2010062039 A2 WO 2010062039A2 KR 2009006131 W KR2009006131 W KR 2009006131W WO 2010062039 A2 WO2010062039 A2 WO 2010062039A2
Authority
WO
WIPO (PCT)
Prior art keywords
cushion unit
shoe
groove
shoes
present
Prior art date
Application number
PCT/KR2009/006131
Other languages
English (en)
Korean (ko)
Other versions
WO2010062039A3 (fr
Inventor
오태근
Original Assignee
Oh Tae-Geun
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 Oh Tae-Geun filed Critical Oh Tae-Geun
Publication of WO2010062039A2 publication Critical patent/WO2010062039A2/fr
Publication of WO2010062039A3 publication Critical patent/WO2010062039A3/fr

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Classifications

    • 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
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
    • A43B13/26—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/26—Resilient heels

Definitions

  • the present invention relates to a cushion unit for shoes, and more particularly, is provided with a cushion unit for shoes and attached to the bottom of the shoe is configured to absorb the impact when landing to reduce the fatigue of walking and protect the body from impact It is about shoes.
  • Shoes start from the basic function of protecting the foot when a person walks, and recently, various types of functions having the function of reducing fatigue, such as protecting the joint and the foot from the impact of landing. It's coming out.
  • the most common type of shoe as shown in Figure 1, the upper (1) to wrap around and protect the side and upper portions of the foot, and the sole attached to the bottom of the upper (1) to protect the bottom of the foot (3) ) Is configured.
  • the upper 1 is made of fabric or leather, etc., and has a shape corresponding to the side and top portions of the foot to protect the foot.
  • the sole (3) is made of synthetic resin or the like to contact the ground when walking to protect the soles.
  • the cushion member 2 is interposed between the upper 1 and the sole 3 to absorb shocks from the ground caused by self-weight when walking.
  • the cushion member 2 is formed to have the same shape as the sole 3, and is generally made of a material having mainly elasticity such as foamed polyurethane or elastic rubber.
  • the cushion member 2 must satisfy various conditions.
  • the cushion member 2 is formed of a material having high elastic strain, such as urethane or rubber, there is an advantage in that the impact during walking can be smoothly eliminated.
  • the cushion member (2) using a good elastic material is not only poor wear resistance, but also deformation such as torsion of the shoe can be easily generated by the fatigue load of repeated elastic deformation.
  • such a cushion member (2) is difficult to balance the body when stopping or walking, causing an overload of the muscles, thereby acting as a disadvantage that substantially increases the fatigue of walking.
  • the elasticity of the cushioning member 2 is insufficient, the shock during walking is transmitted to the human body as it is, and thus there is a problem such as an increase in overall fatigue and a bad joint.
  • the present invention has been made to solve the conventional problems as described above, and has as its main object to provide a cushion unit for shoes and a shoe that can most efficiently absorb a shock during walking.
  • the present invention can provide a shoe cushion unit and a shoe that can minimize the rise in material cost and simplify the manufacturing process by realizing a simpler structure, thereby substantially minimizing the rise in manufacturing cost. It is aimed.
  • Such an object of the present invention means that by substantially absorbing the impact of self-weight during walking, it is possible to minimize the fatigue while protecting a part of the body such as a joint even in long-term use. And it can be said that even long-term use can provide a shoe that can suppress the deformation of the shoe itself.
  • the shoe cushion unit according to the embodiment is configured to further include a wear-resistant plate is attached to the bottom surface of the second member and molded of a wear-resistant material.
  • the wear resistant plate protects the second member, which is relatively fragile.
  • a predetermined interval is formed between the inner circumference of the groove and the outer circumference of the second member, and a free space is formed inside the groove to absorb the elastic deformation of the first member. This allows more smooth shock absorption by allowing the elastically deformed volume to be absorbed in the free space according to the material of the second member.
  • the inlet of the groove is formed wider than its ceiling surface.
  • the first member and the second member are formed of a synthetic resin material.
  • the second member may be formed of thermoplastic polyurethane, and it is preferable to use a thermoplastic polyurethane based on polyesterpolyol and 1.5-naphthylene diisocyanate.
  • the groove and the second member of the first member is formed to have a circular cross section.
  • an embodiment in which the groove and the second member of the first member have a ring-shaped cross section is also disclosed.
  • the second member when the second member is compressed to have the same bottom as the first member, the second member is designed to have an elastic modulus less than or equal to the initial elastic modulus of the first member.
  • the present invention discloses shoes or high heel shoes having a cushion unit as described above.
  • the impact on the body due to its own weight when walking can be minimized.
  • This can be expected to substantially protect the parts of the body, such as joints and feet that can occur by walking for a long time and at the same time can be expected to minimize the fatigue during walking.
  • the shoe according to the present invention since the shoe according to the present invention has an appropriate impact absorbing force and an appropriate elastic restoring force, it can be said that the effect of suppressing deformation as much as possible even in long-term use can be expected.
  • FIG. 1 is a perspective view showing a typical shoe.
  • Figure 2 is a longitudinal sectional view of the cushion unit according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view of a cushion unit according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a cushion unit according to another embodiment of the present invention.
  • Figure 6 is a longitudinal cross-sectional view of a cushion unit according to another embodiment of the present invention.
  • Figure 7 is a longitudinal cross-sectional view of a cushion unit according to another embodiment of the present invention.
  • FIG. 8 is a bottom view of a shoe showing an example in which the cushion unit of the embodiment of the present invention is applied.
  • FIG 9 is an exemplary view showing another embodiment of the present invention.
  • FIG. 10 is a cross sectional view of the cushion unit of the embodiment shown in FIG. 9;
  • the cushion unit according to the present invention includes a first member 10 forming the sole of the shoe, and a second member 20 attached to the first member 10.
  • the first member 10 has a shape corresponding to the bottom of the shoe by forming the bottom of the shoe, that is, the sole, which contacts the ground when the user walks. And the first member 10 is made of a synthetic resin material having elasticity. In addition, a groove 12 having a predetermined depth is formed on the bottom of the first member 10.
  • the first member 10 may form the entire sole of the shoe, or may form a part of the sole.
  • the second member 20 made of a material having elasticity is fixed to the groove 12 of the first member 10.
  • the second member 20 is fixed in the groove 12 by its upper surface being fixed to the ceiling surface 14 of the groove 12 of the first member 10.
  • the second member 20 has a height greater than the depth of the groove 12 of the first member 10, when lowered to the lower surface of the first member 10 when fixed to the groove 12 It is installed to protrude.
  • the second member 20 is bonded to and fixed to the ceiling surface 14 of the groove 12, a separate groove is formed on the ceiling surface 14 of the groove 12. It is also possible to form a second member 20 is accommodated in the groove is fixed or bonded. 2 and 3, it can be seen that the groove 12 has a free space in a state in which the second member 20 is accommodated. That is, a predetermined interval is provided between the inner circumference of the groove 12 and the outer circumferential surface of the second member 20, and the clearance is formed as a whole by this interval. The free space of the groove 12 is to accommodate the volume when the elastic deformation of the second member 20.
  • the first member 10 and the second member 20 is formed of an elastic body having a predetermined elastic force
  • the second member 20 should have a lower elastic modulus than the first member (10).
  • the low modulus of elasticity means that the elastic modulus can be elastically deformed by a force smaller than that of the first member 10.
  • the moment when the second member 20 of the cushion unit of the present invention contacts the ground during walking, The two members 20 will first cause elastic deformation.
  • that the first member 10 and the second member 20 has an elastic force means that the elastic member has sufficient elastic restoring force to be restored to its original state after the reaction force is removed after the elastic deformation caused by the reaction force generated when landing. do.
  • the first member 10 and the second member 20 has an elastic restoring force can be said to have the same meaning as having the ability to absorb the impact while being deformed by the reaction force generated during landing.
  • the first member 10 may be generally formed of a synthetic resin forming the sole of the shoe, which means that the first member 10 also has a constant elastic force to protect the foot.
  • the first member 10 may be formed of leather, such as leather, even if it is not synthetic resin.
  • the second member 20 is made of a material having a smaller elastic modulus than the first member 10, that is, elastically deformed with a smaller force than the first member 10, and restored to its original form when the external force is removed. It may be selected from materials such as rubber, polyurethane, latex or sponge, for example.
  • first member 10 and the second member 20 may be made of a synthetic resin material of the same material as the main component, in this case, the second member 20 has a modulus of elasticity compared to the first member 10. Should be low. That is, even if it is a synthetic resin having the same main component, it is well known that the elastic modulus can be changed according to the component ratio or additive, so that the first member 10 and the second member 20, respectively, the elastic modulus Can be sufficiently carried out by using synthetic resin materials of different materials.
  • first member 10 and the second member 20 may be selected from the same rubber or synthetic resin material, or may be selected from different materials, but the first member 10 is the second member It should be selected as the material having high modulus of elasticity compared to (20).
  • the second member 20 is preferably made of thermoplastic polyurethane, which is marketed under the trade name Cellasto. It is a synthetic resin material based on polyesterpolyol) and 1.5-naphthylene diisocyannate. It is recognized as excellent elasticity and wear resistance. This has the advantage that the compression rate according to the load is only about 20% in the case of rubber, while the compression rate is about 75% in the case of CELLASTOR MH-24-35 (density 35).
  • abrasion resistance has excellent wear resistance of only 0.6% wear compared to 20% wear of rubber under the same conditions (for example, when rubbed at a speed of 8 mm / sec on a metal plate). Only shown, it is particularly preferable as a material of the second member 20.
  • the second member 20 has a length that protrudes a predetermined length below the groove 12 formed in the first member 10.
  • the first member 10 is elastically deformed as well.
  • the second member 20 is formed inside the groove 12 by providing a predetermined interval between the inner circumferential surface of the groove 12 formed in the first member 10 and the outer circumferential surface of the second member 20. Also has a predetermined free space. Such a clearance may accommodate a volume change during elastic deformation of the second member 20.
  • the shape of the groove 12 formed in the first member 10 may be formed differently according to the material of the second member 20. For example, if the volume of the second member 20 is reduced in the compression direction only when the second member 20 is compressed, a separate space is not required between the groove 12 and the second member 20. It may be. However, if the second member 20 is formed of a material (for example, rubber or sponge) in which a radial volume increases when the second member 20 is compressed, the groove 12 and the second member ( 20) There should be a certain gap between them.
  • FIGS. 4 and 5 Another embodiment of the present invention is shown in FIGS. 4 and 5.
  • the bottom surface of the first member 30 is formed with a ring-shaped groove 32
  • the second member 40 is formed into a cylindrical shape, the ring shape of the bottom surface of the first member 30 It fits in the groove
  • the second member 20 should have a lower elastic modulus than the first member 10, and the ring-shaped second member 40 is larger than the depth of the groove 32. Since it has a height, it must be assembled to protrude to the bottom of the first member (10).
  • the material that can be used as the first member 10 and the second member 20 is as described above. According to this embodiment, since the second member 20 is formed in a ring shape, it is expected that the shoe can provide a more stable support when it comes in contact with the ground.
  • the groove 52 formed in the bottom surface of the first member 50 is formed to have a wider inlet than the ceiling surface thereof, and thus has a trapezoidal longitudinal section as a whole. It is formed.
  • the upper surface of the second member 60 may be formed to have the same shape or dimensions as the ceiling surface of the groove 52, or may be formed slightly smaller than that.
  • the second member 60 is fixed to the ceiling surface of the groove 52 by adhesion or the like.
  • the second member 60 should have a lower elastic modulus than the first member 50, and the second member 60 has a length at which a lower end thereof protrudes from the bottom of the first member 50. Should have
  • Figure 7 shows another embodiment of the present invention.
  • the cushion unit for shoes according to the present invention the first member 70 having a groove 72 formed on the bottom surface, the second member 80 attached to the groove 72, and the second It comprises a wear-resistant plate 82 attached to the bottom of the member 80.
  • the second member 80 is formed of a material having a lower elastic modulus than the first member 70. Since the second member 80 has a height greater than the depth of the groove 72, the second member 80 protrudes more than the bottom of the first member 70 when mounted.
  • the wear resistant plate 82 attached to the bottom surface of the second member 80 is formed of a material having high wear resistance to prevent abrasion of the second member 80.
  • the wear resistant plate 82 formed of a material having excellent wear resistance is attached to the bottom surface of the second member 80.
  • the wear resistant plate 82 may be made of thermoplastic polyurethane or raw rubber having a relatively high wear resistance.
  • the wear resistant plate 82 may be made of the same material as the first member 70.
  • the first member and the second member may be made in various ways.
  • an assembly in which the first member and the second member are combined may be made by insert injection, in which the first member is injected while the second member is inserted.
  • the assembly in which the first member and the second member are combined may be made.
  • the first members 10, 30, 50, 70 form the entirety of the shoe sole.
  • the first member 10, 30, 50, 70 does not form the sole of the shoe, it is natural that it is possible to form a part.
  • a plurality of second members 20, 40, 60, and 80 are attached to the first members 10, 30, 50, and 70, and the second member is the first member 10 as described above. It is fixed while being inserted into the grooves (12, 32, 52, 72) formed in the, 30, 50, 70.
  • the second members 20, 40, 60, and 80 according to various embodiments as described above are provided together with the first member, but this is exemplary. It will be possible to selectively implement the particular type of the first member (10, 30, 50, 70) of the various types of the second member as described above.
  • a plurality of second members 20, 40, 60, and 80 may be provided for the entire area of the first members 10, 30, 50, and 70, but only a part of the second members may be provided. It is also possible to install.
  • a plurality of the second members 20, 40, 60, and 80 may be provided only at portions corresponding to the heel of the first members 10, 30, 50, and 70.
  • the above-described second members 20, 40, 60, and 80 are molded so that the longitudinal cross-section is entirely circular, but is not limited thereto.
  • the shape of the second member (20, 40, 60, 80) can be changed according to the shape of the shoe or the portion to be installed.
  • the second member may be formed in various shapes such as an ellipse, a triangle or a square with each corner portion rounded.
  • the groove formed in the first member should be able to accommodate the second member.
  • the groove formed in the first member should be molded to accommodate the elastic deformation of the second member.
  • the first member 92 is attached to the bottom surface of the heel 90.
  • the first member 92 has a groove 94 opened toward the bottom surface.
  • the groove 94 is provided with a second member 96.
  • the first member 92 has a higher modulus of elasticity than the second member 96, and the second member 96 has a length protruding downward from the groove 94.
  • the inner periphery of the groove 94 and the outer periphery of the second member 96 at regular intervals are configured to sufficiently accommodate the second member 96 that is elastically deformed.
  • a wear resistant plate 96 is attached to the bottom of the second member 96 to protect the second member 96 made of a relatively soft material from abrasion.
  • the cushion unit according to the present invention can protect a part of the human body such as a joint by minimizing an impact during walking.
  • the cushion unit of the present invention may be applied to the entire shoe, such as walking or running shoes, general shoes, women's high heels, and the like.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une unité coussinet pour chaussure permettant de supprimer la fatigue, de protéger les articulations, et analogue pendant la marche. Le premier élément de l'invention forme au moins une partie d'une semelle de chaussure, comprend une surface inférieure comportant au moins une rainure formée à une profondeur prédéterminée, et est fabriqué dans un matériau élastique. Le deuxième élément de l'invention est inséré dans la rainure, présente une longueur s'étendant vers le bas à partir de la surface inférieure du premier élément, et est fabriqué dans un matériau élastique présentant un module d'élasticité inférieur à celui du premier élément. Le deuxième élément comprend une surface inférieure sur laquelle est montée une plaque résistante à l'usure. Lorsque la semelle de la chaussure vient en contact avec le sol, le deuxième élément est comprimé pour absorber le choc.
PCT/KR2009/006131 2008-11-26 2009-10-22 Unite coussinet pour chaussure et chaussure la comprenant WO2010062039A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0118220 2008-11-26
KR1020080118220A KR100904042B1 (ko) 2008-11-26 2008-11-26 쿠션 소자 및 그 소자를 가진 신발

Publications (2)

Publication Number Publication Date
WO2010062039A2 true WO2010062039A2 (fr) 2010-06-03
WO2010062039A3 WO2010062039A3 (fr) 2010-08-05

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PCT/KR2009/006131 WO2010062039A2 (fr) 2008-11-26 2009-10-22 Unite coussinet pour chaussure et chaussure la comprenant

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WO (1) WO2010062039A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015177529A1 (fr) * 2014-05-19 2015-11-26 The Royal Veterinary College Semelle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102233548B1 (ko) * 2020-02-14 2021-03-30 이승호 소음방지 구두 굽

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511324A (en) * 1994-04-01 1996-04-30 Smith; Roosevelt Shoe heel spring
US5908894A (en) * 1996-11-21 1999-06-01 Basf Aktiengesellschaft Thermoplastic polyurethanes and their preparation
KR200191004Y1 (ko) * 1999-12-24 2000-08-16 배을홍 신발의 충격 완충장치
KR20070081464A (ko) * 2007-07-26 2007-08-16 양원동 신발굽

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511324A (en) * 1994-04-01 1996-04-30 Smith; Roosevelt Shoe heel spring
US5908894A (en) * 1996-11-21 1999-06-01 Basf Aktiengesellschaft Thermoplastic polyurethanes and their preparation
KR200191004Y1 (ko) * 1999-12-24 2000-08-16 배을홍 신발의 충격 완충장치
KR20070081464A (ko) * 2007-07-26 2007-08-16 양원동 신발굽

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015177529A1 (fr) * 2014-05-19 2015-11-26 The Royal Veterinary College Semelle

Also Published As

Publication number Publication date
KR100904042B1 (ko) 2009-06-22
WO2010062039A3 (fr) 2010-08-05

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