KR101728059B1

KR101728059B1 - Shock absorbing mid-sole of shoes

Info

Publication number: KR101728059B1
Application number: KR1020150050333A
Authority: KR
Inventors: 김호현; 유해수
Original assignee: 주식회사 엠케이에프엔씨
Priority date: 2015-04-09
Filing date: 2015-04-09
Publication date: 2017-04-18
Also published as: KR20160121003A

Abstract

The present invention relates to a shoe midsole having excellent shock absorbing performance by using a foamed sheet obtained by foaming urethane and aged for a predetermined period of time. The midsole of the present invention is made of a light material for supporting the foot in a shape corresponding to the bottom shape of the shoe; A waist attached to the bottom of the texion to support the arch portion of the foot; An abdomen for attaching the waist to the texion; A cushion attached to an upper end of the tact to absorb a shock transmitted to the foot; And a midsole inner foil for attaching the cushion to the base, wherein the cushion is prepared by aging the corn, the ginseng, the ginseng, the ginseng and the honeycomb powder at a room temperature with water and aging for one week, mixing the aged dough with the urethane stock solution Followed by foaming to form a foam sheet, followed by aging in a heat room for 48 hours.
The shoe midsole according to the present invention is excellent in impact absorption performance by using a urethane foam sheet aged in a heat room for 48 hours and not only protects the wearer but also contains a beneficial material such as corn, ginseng, ginseng, By using the foam sheet, there is an effect that the foot odor can be suppressed and the metabolism can be promoted.

Description

{SHOCK ABSORBING MID-SOLE OF SHOES}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shoe midsole, and more particularly, to a shoe midsole using a foamed sheet obtained by foaming urethane and aged for a predetermined period of time.

In general, shoes are worn to protect the foot area of a human body. The shoes are used for sports, shoes to be worn when wearing clothes or suits, safety shoes to be worn when working in the field of machinery or construction, There are various kinds such as mountain climbing and mountain climbing. Most of the shoes have an out-sole which comes into contact with the ground, a mid-sole which is located at the upper part of the floor window to support the foot and improves the fit of the shoe, An upper that covers and protects the foot, and an insole that rests on the midsole and rests on the floor inside the upper, supporting the sole of the human body.

On the other hand, when people jump and jump during heavy exercise, the impact force of up to 7 times to 4 times of weight is generated on the basis of weight, and when landing after leaping in the state of fatigue, the natural shock absorbing action of the body does not function properly It is known to receive greater impact. In addition, recently, the increase of artificial structures has caused many people to move on hard concrete and asphalt. The shock applied to the body through the soles of the feet during walking can cause pain in various joints connected to the foot, .

Therefore, the importance of the shoe midsole that directly affects the foot to protect the foot and the joint from the impact is increasing day by day, and the foot and the soles of the shoe wearer's knee and foot area In order to absorb the transmitted shock, the insole is placed on the inner bottom surface of the shoe, the shoe bottom and the shoe part are made of rubber or foam sponge material having excellent buffering ability, or the elastic restorative material such as air bag or spring As shown in Fig.

However, such a conventional shock-absorbing method can be applied mainly to sports and the like, and it is difficult to apply to a shoe or the like. Particularly, a cushion used in a conventional shoe midsole has a problem in that the shock absorbing ability is poor.

KR 20-0474565 Y1 KR 20-2009-0007621 U

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a shoe midsole having excellent shock absorbing performance by using a foam sheet obtained by foaming urethane and aging for a predetermined time.

Another object of the present invention is to provide a shoe soles in which the trunk is removed by using a frame made of FRP or carbon fiber.

In order to achieve the above object, the present invention provides a midsole having a shape corresponding to a bottom shape of a shoe and supporting a foot, A waist attached to the bottom of the texion to support the arch portion of the foot; An abdomen for attaching the waist to the texion; A cushion attached to an upper end of the tact to absorb a shock transmitted to the foot; And a midsole inner skin for attaching the cushion to the texture.

According to another aspect of the present invention, there is provided a fiber reinforced plastic (FRP) or a carbon fiber, which supports the foot without a wrist. A cushion attached to an upper end of the tact to absorb a shock transmitted to the foot; And a midsole for attaching the cushion to the texture.

The cushion is prepared by aging the corn, ginseng, ginseng, danshang, and honeydew powder at room temperature with water, aging the mixture for 1 week, mixing the aged dough with the urethane raw solution, foaming the foams to form a foam sheet, Wherein the urethane raw material solution is an urethane foam sheet obtained by mixing an isocyanate prepolymer of diphenylmethane diisocyanate (MDI) type, a polyether polyol, a chain extender, a blowing agent a blowing agent, a silicone, and a catalyst may be used.

The shoe midsole according to the present invention is excellent in impact absorption performance by using a urethane foam sheet aged in a heat room for 48 hours and not only protects the wearer but also contains a beneficial material such as corn, ginseng, ginseng, By using the foam sheet, there is an effect that the foot odor can be suppressed and the metabolism can be promoted.

In addition, the shoe midsole according to the present invention uses a FRP or a carbon fiber tension to remove the hull, thereby simplifying the process and providing an excellent elasticity of the product. Especially, the antibacterial property and the ventilation property There is an excellent advantage.

1 is a schematic view showing a structure of a conventional shoe to which the present invention is applied;
Fig. 2 is an exploded perspective view of a shoe midsole with excellent shock absorption performance according to the present invention, Fig.
3 is an assembled perspective view of the shoe midsole shown in Fig. 2,
Fig. 4 is a side cross-sectional view of the shoe midsole shown in Fig. 2,
Figure 5 is an example of a shoe soles in which the hull is removed according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

1 is a schematic view showing a structure of a conventional shoe to which the present invention is applied.

As shown in FIG. 1, the shoe to which the present invention is applied includes a bottom (outsole) 20 directly contacting with the ground at the lowermost portion of the shoe, and a midsole An insole 30 for directly supporting the foot as an inner bottom of the shoe and an upper 40 for covering the upper part of the shoe and the foot and maintaining the overall appearance and shape of the shoe.

FIG. 2 is an exploded perspective view of a shoe midsole having excellent shock absorbing performance according to the present invention, FIG. 3 is an assembled perspective view of the shoe midsole shown in FIG. 2, and FIG. 4 is a side sectional view of the shoe midsole shown in FIG.

As shown in Figs. 2 to 4, the shoe midsole 100 having excellent shock absorbing performance according to the present invention includes a tenso 110 of a light material having a shape corresponding to a bottom shape of a shoe and supporting a foot, A shank steel 120 attached to the heel portion of the bottom of the tex- tor 110 for supporting the arch portion of the foot, a padding 130 for attaching the waist to the rivet, A cushion 140 for absorbing a shock transmitted to the cushion 140, and a middle end 150 for attaching the cushion to the tessuch.

Referring to FIGS. 2 to 4, the torsion 110 is a base plate of a hard material, which is held in a shape of a middle, and a groove for mounting the waist 120 may be formed. As the material of the texture 110, a material obtained by mixing the fiber-ground material with polypropylene (PP) and curing it may be used.

The shank 120 is a spine of the shoe which enters the portion (arch) corresponding to the depression in the center of the sole of the midsole. The shank 120 is used as a shoe, It keeps shape and prevents peeling. Thus, the wand 120 is generally used to support a depression (arch) in the sole, and generally extends from the heel to the portion where the spring is located. The waist 120 is attached to the heel portion of the bottom of the techo 110 together with the bottom portion 130, and may be made of metal pieces, plastic, wood, or the like.

A cushion 140 is attached to the upper surface of the texture 110. The cushion 140 used in the middle window 100 of the present invention is prepared by kneading ogal, Angelica ginseng, Aged, aged, mixed with a urethane raw liquid, and then foamed to form a foam sheet, which is then aged in a heat room for 48 hours to produce a urethane foam sheet. At this time, the urethane raw liquid is prepared by mixing an isocyanate prepolymer of diphenylmethane diisocyanate (MDI) type, a polyether polyol, a chain extender, a blowing agent, a silicone ), And a catalyst are used.

Also, the urethane foam sheet used in the present invention is prepared by kneading ogal, Angelica ginseng, ginseng, danshen and sesame powder at room temperature with water, aging the dough at room temperature for one week, mixing the aged dough with the urethane solution, After the foam sheet is first aged in a heat chamber at 80 to 90 DEG C for 24 hours, the foam sheet aged in the heat chamber is naturally dried for 24 hours, and the foam sheet is dried in a heat chamber at 80 to 90 DEG C Followed by secondary aging for 24 hours, then taking out the secondary aged foam sheet from the heat chamber, cooling it in a natural state, and drying it.

Referring again to FIGS. 2 to 4, a Korean paper cloth can be used as the midsole 150. The Korean paper cloth is a natural-friendly fabric made by blending natural fibers with Korean paper made of paper mulberry, and 24 kinds of toxicity tests Is a non-toxic fabric with no detectable toxicity of any species. Due to the nature of Korean paper, it has the natural pattern of unmilled mackerel, and the coating is also coated with the penetration method, not the surface coating, which has the advantage of excellent air permeability. Also, the main ingredient of Korean paper, mackerel, has a component that inhibits the propagation of bacteria, so it has excellent antimicrobial activity and excellent ventilation.

Fig. 5 is an example of a shoe core in which the tether is removed by using fiber-reinforced plastic (FRP) or carbon fiber as another embodiment of the present invention.

As shown in FIG. 5, the shoe core according to another embodiment of the present invention includes a frame 210 made of fiber-reinforced plastic (FRP) or carbon fiber and supporting the foot without a hawser, A cushion 220 for absorbing impact transmitted to the feet, and a midsole 230 for attaching the cushion to the tact.

Referring to FIG. 5, the texture 210 is made of a fiber reinforced plastic (FRP) or carbon fiber, and supports the foot without a wand, thereby shortening the manufacturing process and reducing the cost.

The cushion 220 used in another embodiment of the present invention may also be prepared by kneading jelly, angelica, ginseng, ginseng, and sesame powder at room temperature with water, aging the mixture for one week, mixing the aged dough with the urethane stock solution, After the foam sheet is formed, it is made into a urethane foam sheet manufactured by aging in a heat room for 48 hours. At this time, the urethane raw liquid is prepared by mixing an isocyanate prepolymer of diphenylmethane diisocyanate (MDI) type, a polyether polyol, a chain extender, a blowing agent, a silicone ), And a catalyst are used.

Also, the urethane foam sheet used in another embodiment of the present invention may be prepared by kneading ogal, Angelica ginseng, ginseng, danshang, and sesame powder at room temperature with water, aging the dough at room temperature for 1 week, mixing the aged dough with the urethane stock solution The foamed sheet is first aged for 24 hours in a heat chamber at 80 ° C to 90 ° C and then naturally aged in a heat chamber for 24 hours to dry the foamed sheet at 80 ° C to 90 ° C Deg.] C for 24 hours, removing the secondary aged foam sheet from the heat chamber, cooling it in a natural state, and drying it.

Referring again to FIG. 5, a Korean paper cloth can be used as the midsole 230. The Korean paper cloth is a natural-friendly cloth made by combining Korean paper made of paper mulberry and natural fibers. In 24 kinds of toxic tests such as arylamine, Is toxic and non-toxic. Table 1 shows the test characteristics of the fabrics used in the present invention. As shown in the following Table 1, it has a natural pattern of unrefined mackerel, and the coating is also coated with a penetration method, . Also, mackerel, which is the main ingredient of Korean paper, has antimicrobial activity because it has a component that inhibits the propagation of bacteria.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

20: floor window 30: insole
40: Upper 100: Medium
110, 210: Texture 120: Waist
130: worm attachment plate 140, 220: midsole cushion
150, 230:

Claims

A shape of a light material for supporting the foot in a shape corresponding to the bottom shape of the shoe;
A waist attached to the bottom of the texion to support the arch portion of the foot;
An abdomen for attaching the waist to the texion;
A cushion attached to an upper end of the tact to absorb a shock transmitted to the foot; And
And a rigid midsole for attaching the cushion to the texion,
The cushion
Agar for 1 week after mixing with water at room temperature, mixing the aged dough with the urethane solution, foaming it to form a foam sheet, and aging it in a heat room for 48 hours. Urethane foam sheet,
The urethane stock solution
(MDI) type isocyanate prepolymer, a polyether polyol, a chain extender, a blowing agent, a silicone, a catalyst, and the like. catalyst is mixed with a polyol mixture.

It is made of fiber reinforced plastic (FRP) or carbon fiber and supports the foot without a wrist;
A cushion attached to an upper end of the tact to absorb a shock transmitted to the foot; And
And a rigid midsole for attaching the cushion to the texture,
The cushion
Agar for 1 week after mixing with water at room temperature, mixing the aged dough with the urethane solution, foaming it to form a foam sheet, and aging it in a heat room for 48 hours. Urethane foam sheet,
The urethane stock solution
(MDI) type isocyanate prepolymer, a polyether polyol, a chain extender, a blowing agent, a silicone, a catalyst, and the like. catalyst is mixed with a polyol mixture.

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