KR101395840B1 - Article of footwear - Google Patents

Abstract

Disclosed is a functional shoe article capable of improving impact absorption and rebound resilience characteristics and contributing to weight reduction. The functional shoe article includes a midsole member, and a hollow cushion integral with the midsole member and formed in the transverse direction of the midsole member, and a supporting wing extending integrally from the hollow cushion to support the side surface of the midsole member. And a reinforcing member.

Description

{ARTICLE OF FOOTWEAR}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shoe article, and more particularly, to a functional shoe article which can improve impact absorption and rebound resilience characteristics and contribute to weight reduction.

In general, shoes have been developed to be worn to protect their feet, but as their quality of life has increased recently, the perception of shoes has also changed a lot.

Especially, unlike the previous exercise that used a pair of athletic shoes, recently, functional shoes that are customized for various purposes such as walking, running, climbing, soccer, tennis, Is being developed.

In general, the shoe consists largely of an upper part that protects the foot and joint region, and a sole part that protects the sole. Since the sole portion can transmit the impact to the body when walking and running and the sole portion is heavy, the user can feel fatigue easily, so that the sole portion can absorb and absorb the shock and is provided with a light structure Should be able to.

Accordingly, in recent years, there have been various studies on the sole that can contribute to the weight reduction, minimizing the impact transmitted to the body during walking and traveling, improving the energy efficiency of the body during walking, Development is urgently required.

The present invention provides a functional shoe article capable of minimizing the shock transmitted to the body during walking and running.

In addition, the present invention provides a functional shoe article capable of uniformly dispersing a user's weight, improving shock absorbing and dispersing characteristics, and improving rebound resilience.

The present invention also provides a functional shoe article that can contribute to weight reduction and can simplify the structure and manufacturing process.

Also, the present invention provides a functional shoe that can provide an excellent fit feeling and can improve the energy efficiency of the body even when worn for a long time, thereby minimizing fatigue of the foot.

According to a preferred embodiment of the present invention, the functional shoe article includes a midsole member, a hollow bumper formed integrally with the midsole member and formed in the transverse direction of the midsole member, And a supporting wing extending to the side of the midsole member to support the side of the midsole member.

The midsole member can be provided in various structures according to the required conditions and design specifications. In one example, the midsole member may be configured to include an upper midsole, and a lower midsole provided at a lower portion of the upper midsole, and the hollow buffer may be provided between the upper midsole and the lower midsole. In addition, side grooves may be formed along the boundary between the upper midsole and the lower midsole at the side surface of the midsole, and the side supporting blades may be closely attached to the side grooves to support the side surface of the midsole.

The reinforcement member may be formed of a highly elastic material having relatively higher strength and elasticity than the midsole and the lower midsole, and the present invention is not limited or limited by the material and characteristics of the reinforcement member. For example, the reinforcing member may be formed of thermoplastic polyurethane (TPU). In some cases, the reinforcing member may be formed of other materials.

The hollow buffer can be provided in the form of a hollow tube and can be provided with various cross-sectional shapes according to the required conditions and design specifications. In one example, the hollow buffer may be provided in the form of a hollow tube having a cross-sectional shape of either polygonal, circular, or elliptical. In addition, the hollow buffer may be configured to provide an air passage at least one end of which is open at both ends.

The side support vanes can be provided in a variety of configurations depending on the required conditions and design specifications. In one example, the side support vane may comprise an upper support extending from an end of the hollow cushion and supporting a side of the upper midsole, and a lower support extending from an end of the hollow cushion and supporting a side of the lower midsole. The upper support portion and the lower support portion can be integrally extended from the hollow buffer portion at positions overlapping each other up and down.

Here, the upper support portion and the lower support portion integrally extend from the hollow buffering portion. The upper support portion and the lower support portion are provided as separate components, respectively, so that the upper support portion and the lower support portion, Can be understood to be integrally connected to form a single body together with the part. For example, the upper support and the lower support can be formed as a unitary body integrally connected by conventional injection molding together with the hollow cushion.

In the present invention, the upper supporting portion and the lower supporting portion are overlapped with each other in a vertical direction. The upper supporting portion and the lower supporting portion may be superimposed on each other when the upper supporting portion and the lower supporting portion overlap each other. The load of the human body can act simultaneously on the upper support portion and the lower support portion. In some cases, the upper support portion and the lower support portion may extend from the hollow cushion portion so as to be disposed at positions where they do not overlap each other vertically.

In addition, upper and lower extension portions may be formed on both ends of the upper support portion, and lower extension portions may be formed on both ends of the lower support portion, and the upper extension portion and the lower extension portion may be structurally connected to each other. Here, the upper and lower expanders are structurally connected to each other at positions where the upper and lower expanders overlap each other. The upper expander and the lower expander are connected to each other at a position where the upper expander and the lower expander overlap each other, . The upper expanding portion and the lower expanding portion may be formed in a specified shape and structure according to the required conditions and design specifications. In one example, the upper extension and the lower extension may be provided in a substantially hexagonal shape in side projection with the upper and lower supports mutually cooperatively. And may be provided to form other shapes such as a rectangle, a rhombus, etc., and the present invention is not limited or limited by the shape and structure of each supporting portion and each extending portion.

A plurality of the hollow buffer parts may be provided so as to be spaced apart from each other along the longitudinal direction of the midsole, and the hollow buffer parts adjacent to each other may be integrally connected by the connecting part. The reinforcing rib may be formed on at least one of the upper support portion and the lower support portion.

According to the functional shoe according to the present invention, it is possible to improve shock absorbing and dispersing characteristics capable of minimizing the shock transmitted to the body during walking and running, and to improve the rebound resilience characteristic that helps energy for the next operation , It can contribute to weight reduction.

Particularly, according to the present invention, since the hollow cushion portion of the reinforcing member disposed along the lateral direction of the midsole at the time of impact generation can be elastically deformed, the impact force can be effectively dispersed and absorbed evenly along the lateral direction as a whole. Also, since the hollow buffer can be resiliently restored, it is possible to maximize the rebound resilience characteristics that can help the energy for the next operation. In other words, the propulsive force (rebound resilience) can be improved when the vehicle is taken off and off.

In addition, according to the present invention, since the side support vanes of the reinforcing member can support the side surface of the midsole, the wearer's foot can be supported more comfortably and stably to enhance the comfort and stability of the shoe, Thereby improving the efficiency and minimizing fatigue of the foot.

In addition, according to the present invention, the load applied from the upper can be dispersed throughout the hollow cushion portion and the lower cushion portion through the upper support portion, not directly below, so that the dispersion characteristic of the load (shock) can be maximized. In other words, the load applied to the upper support can be distributed to the ground through the hollow buffer and the lower support structurally connected to the upper support.

Also, according to the present invention, since the upper support portion and the lower support portion can be integrally extended from the hollow cushion portion at the position where the upper and lower support portions are vertically overlapped, the shock absorption and dispersion characteristics can be further improved and the rebound resilience characteristic can be maximized . In other words, since the upper support portion and the lower support portion are arranged so as to overlap with each other in the vertical direction, the upper support portion and the lower support portion can act (resiliently deform) Can be maximized.

In addition, according to the present invention, since the upper expanding portion formed at the side end of the upper support portion and the lower expanding portion formed at the side end of the lower support portion can be structurally connected at the upper and lower positions, The characteristics can be further improved.

Further, according to the present invention, since the space occupied by the reinforcing member can be provided in an almost empty space, the weight of the product can be contributed.

1 is a perspective view showing a functional shoe article according to the present invention.
2 is a side view showing a functional shoe article according to the present invention.
3 is a sectional view taken along the line II in Fig.
4 to 6 are views for explaining a functional shoe article according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments. For reference, the same numbers in this description refer to substantially the same elements and can be described with reference to the contents described in the other drawings under the above-mentioned rules, and the contents which are judged to be obvious to the person skilled in the art or repeated can be omitted.

FIG. 1 is a perspective view showing a functional shoe according to the present invention, FIG. 2 is a side view showing a functional shoe according to the present invention, and FIG. 3 is a sectional view taken along line I - I of FIG. 4 to 6 are views for explaining a functional shoe according to another embodiment of the present invention.

As shown in these figures, the functional shoe article according to the present invention includes a midsole member 100 and a reinforcing member 200.

The midsole member 100 may be provided in various structures according to required conditions and design specifications. For example, the midsole member 100 may include an upper midsole 110 and a lower midsole 120 provided below the upper midsole 110, and the reinforcing member 200 may include upper midsoles 110 And the lower midsole 120, as shown in Fig.

The upper midsole 110 may be formed by conventional foam molding using ordinary rubber, synthetic resin, or the like. For example, the upper midsole 110 may be formed of foamed ethylene vinyl acetate (PHYLON), and the present invention is not limited or limited by the shape and structure of the upper midsole 110. In some cases, the upper midsole may be formed of a non-foam or other material.

The lower midsole 120 is provided under the upper midsole 110 and may be formed by conventional foam molding using ordinary rubber, synthetic resin, or the like. For example, the lower midsole 120 may be formed of a foamed ethylene vinyl acetate (PHYLON) or other foamable material, which is the same as or similar to the upper midsole 110. By the shape and structure of the lower midsole 120, The present invention is not limited thereto. In some cases, the lower midsole may be formed of a non-foam material or may be formed of other materials.

Side grooves 102 are formed on the side surfaces of the midsole member 100 along the boundaries of the upper and lower midsoles 110 and 120. That is, the lower end of the upper midsole 110 adjacent to the lower midsole 120 may be formed to have a relatively narrow width toward the lower end, and the upper end of the lower midsole 120 adjacent to the upper midsole 110 may be formed as an upper The upper and lower midsoles 110 and 120 may be formed to have a relatively narrow width so that the side grooves 102 having a substantially V shape are formed on the sides of the midsole member 100 in a mutually cooperative manner . The upper support portion 232 and the lower support portion 234 to be described later are provided in close contact with the side grooves 102 to support the side surfaces of the upper and lower midsoles 110 and 120.

The reinforcing member 200 is provided between the upper and lower midsoles 110 and 120 and includes a hollow cushion 210 and a supporting wing 220.

The reinforcing member 200 may be formed of a highly elastic material having relatively higher strength and elasticity than the upper and lower midsoles 110 and 120. Depending on the material and characteristics of the reinforcing member 200, The present invention is not limited thereto. For example, the reinforcing member 200 may be formed of a thermoplastic polyurethane (TPU). In some cases, the reinforcing member may be formed of other materials.

The hollow buffer 210 is formed in the transverse direction of the midsole member 100 so as to be integral with the midsole member 100. In one example, the hollow cushion 210 is provided along the transverse direction between the upper and lower midsoles 110 and 120 to absorb and disperse impacts.

The hollow buffer 210 may be provided in the form of a hollow tube, and may be provided to have various cross-sectional shapes according to required conditions and design specifications. For example, the hollow buffer 210 may be provided to have a cross-sectional shape of any one of polygonal, circular, and elliptical shapes. Hereinafter, an example in which the hollow buffer 210 is formed in the shape of a tube having an approximately elliptical cross-sectional shape will be described. The upper support part 232 and the lower support part 234 to be described later may extend from the end of the hollow buffer part 210 corresponding to the sectional shape of the hollow buffer part 210.

The hollow buffer 210 may be configured to provide an air passage 201 having at least one end open at both ends thereof. Hereinafter, an example in which the hollow buffer 210 is formed in an open form at both ends will be described. In some cases, one end of the hollow buffer portion may be opened and the other end thereof may be closed, or alternatively, one end (or the other end) of the hollow buffer portion may be partially opened.

The side support vanes 220 are integrally extended from the hollow cushion 210 and are provided to support the side surfaces of the midsole member 100. The side support vanes 220 can be provided in various structures according to the required conditions and design specifications. For example, the side support vane 220 may include an upper support portion 232 and a lower support portion 234. In some cases, the side support vanes may be formed of only one of the upper support portion and the lower support portion.

The upper support 232 extends from the end of the hollow cushion 210 and is provided to support the side of the upper midsole 110. The upper support part 232 may extend integrally from the end of the hollow buffer part 210 and may be in close contact with the side groove 102 of the midsole member 100 to support the side of the upper support part 232 Can support.

The lower support portion 234 extends from the end of the hollow buffer 210 and is provided to support the side of the lower midsole 120. The lower support portion 234 may extend integrally from the end of the hollow buffer 210 and may be in close contact with the side groove 102 of the midsole member 100 to thereby extend the side surface of the lower support portion 234 Can support.

For example, the upper support portion 232 and the lower support portion 234 may be integrally extended from the hollow buffer 210 at positions overlapping with each other. The upper support portion 232 and the lower support portion 234 are integrally extended from the hollow buffer 210. The upper support portion 232 and the lower support portion 234 are provided as separate components, The upper support portion 232 and the lower support portion 234 may be integrally connected so as to form a single body together with the hollow buffer 210. [ For example, the upper support portion 232 and the lower support portion 234 may be formed as a unitary body integrally connected by ordinary injection molding together with the hollow buffer 210.

The upper support portion 232 and the lower support portion 234 are vertically overlapped with each other in the present invention means that the upper support portion 232 and the lower support portion 234 overlap each other And the load of the human body can act on the upper support portion 232 and the lower support portion 234 simultaneously at the positions where the upper support portion 232 and the lower support portion 234 overlap each other. In some cases, the upper support portion and the lower support portion may extend from the hollow cushion portion so as to be disposed at positions where they do not overlap each other vertically.

An outsole 300 may be provided below the lower midsole 120. As the outsole 300, various outsole 300 can be applied according to required conditions and design specifications. For example, the outsole 300 may be formed of a conventional rubber material capable of minimizing slip. In some cases, the outsole may be composed of a plurality of windows made of different materials.

4, an upper extension 232a 'may be formed at both ends of the upper support 232', and a lower extension 234a 'may be formed at both ends of the lower support 234' And the upper extension part 232a 'and the lower extension part 234a' may be structurally connected to each other at a position where the upper extension part 232a 'and the lower extension part 234a' overlap each other.

The upper and lower extension parts 232a 'and 234a' are structurally connected to each other at positions where the upper and lower extension parts 232a 'and 234a' are vertically overlapped. Quot; means that a load acting on the upper expansion portion 232a 'can be applied to the lower expansion portion 234a' by being connected to each other at the overlapping positions.

The upper expansion part 232a 'and the lower expansion part 234a' may be formed in a specific shape and structure according to required conditions and design specifications. For example, the upper extension 232a 'and the lower extension 234a' may be provided with a top support 232 'and a bottom support 234' so as to form a substantially hexagonal shape when co-side-projected side by side . And may be provided to form other shapes such as a rectangle, a rhombus, etc., and the present invention is not limited or limited by the shape and structure of each supporting portion and each extending portion.

4, a plurality of hollow cushioning parts 210 'may be provided so as to be spaced along the longitudinal direction of the midsole member 100. The hollow cushioning parts 210' As shown in Fig. For example, the connection part 240 'may connect the hollow buffer part 210' adjacent to each other in the form of a bridge, and the plurality of hollow buffer parts 210 'may be integrally connected through the connection part 240' . Such a structure makes it possible to maximize shock absorption characteristics by allowing other adjacent hollow cushions connected by a connecting portion to be connected when a load is applied to a specific hollow cushion portion. In addition, the connecting portion allows the hollow cushion portions spaced apart from each other to be structurally connected, thereby maintaining a structural rigidity higher than a certain level. In some cases, a plurality of connecting portions may be provided at predetermined intervals along the longitudinal direction of the midsole member, and the present invention is not limited or limited by the structure of the connecting portions.

In addition, the reinforcing ribs 232b 'and 234b' may be formed on at least one of the upper support portion 232 'and the lower support portion 234'. Hereinafter, the reinforcing ribs 232b 'and 234b' are formed on the upper support portion 232 'and the lower support portion 234', respectively. The reinforcing ribs 232b 'and 234b' support the upper support portion 232 'and the lower support portion 234' so as to prevent excessive deformation of the upper support portion 232 'and the lower support portion 234' Rigidity can be imparted.

As described above, in the present invention, since the hollow buffer 210 of the reinforcing member 200 arranged along the transverse direction of the midsole member 100 can be elastically deformed when an impact occurs, the impact force is transmitted to the hollow buffer 210 To be dispersed and absorbed evenly throughout the lateral direction. In addition, since the hollow buffer 210 can be elastically restored, it is possible to maximize the rebound resilience characteristics (driving force) that can help the energy for the next operation.

Since the upper support portion 232 of the reinforcing member 200 provided to surround the left and right sides of the midsole member 100 can be arranged so as to cover the upper portion of the shoe, So that it is possible to enhance the comfort and stability of the shoe.

Further, when walking, the reinforcing member 200 imparts a rigidity that appropriately suppresses the excessive compressive deformation of the midsole member 100, so that the flexibility of the midsole member 100 can be adjusted, do. In addition, at the time of walking, the lower support portion 234 of the reinforcing member 200 performs buffering action to improve the feeling of landing, and the fatigue of the foot can be minimized by dispersing the weight of the user evenly. Here, the propelled cloud walking can be understood as a natural and efficient walking as the sphere rolls on the flat surface together with the shock absorption at the time of walking.

In the above-described embodiment of the present invention, an air passage is simply formed inside the hollow cushioning portion. However, in some cases, a separate cushioning material (not shown) may be filled in the hollow cushioning portion. For example, the buffer material may be formed of a soft material (for example, EVA) rather than a midsole member.

In the above-described embodiments of the present invention, the hollow cushioning portion is formed as a continuous integral body from one side to the other side of the midsole member. However, in some cases, the hollow cushioning portion may be provided in a separated form have.

5, a hollow portion 104 may be formed at a substantially central portion of the midsole member 100, and the hollow buffer portion 210 'may be spaced apart from the hollow portion of the midsole member 100, And may be provided adjacent to the other side respectively. Each of the hollow cushioning parts 210 'may be provided with side support vanes 230 to support side surfaces of the midsole member 100. In some cases, three or more hollow buffers may be provided apart from each other. When three or more hollow buffers are provided, the side support vanes may extend only to the hollow buffer located on the left and right outer sides.

6, a plurality of the reinforcing members 200 may be provided so as to be spaced along the longitudinal direction of the midsole member 100, and at least a portion of at least one of the plurality of reinforcing members 200 The reinforcing member 200 may have different strength and elasticity depending on the thickness variation. Preferably, the midsole member (or a specific portion of the characteristic midsole member) disposed in the region where a relatively large load (or impact) is applied may be formed to have a relatively thick thickness. At least a portion of the reinforcing member 200 disposed in the regions 10a and 10b adjacent to the rear side and the medial side tip of the lateral side of the midsole member 100 is formed to have a relatively thick thickness And can have relatively high strength and elasticity. Here, the region 10b adjacent to the medial side tip of the midsole member 100 can be understood as a region adjacent to the big toe, and the region 10b adjacent to the trailing end of the lateral side of the midsole member 100 10a can be understood as an area adjacent to the outside of the heel.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. It will be understood that the present invention can be changed.

100: midsole member 200: reinforcing member
210: hollow buffering part 220: side supporting blade
232: upper support portion 234:
300: Outsole

Claims (12)

A midsole member including an upper midsole and a lower midsole provided at a lower portion of the upper midsole; And
A hollow tube-shaped hollow buffer formed in the transverse direction of the midsole member and provided in close contact with the inner wall surface of the hollow tunnel formed between the upper and lower midsole to support the bottom surface of the upper midsole, And a reinforcing member which is formed of a material having a relatively higher elasticity than the midsole member and includes a side supporting wing extending integrally from the midsole member to support the side surface of the midsole member,
Wherein the hollow buffer portion provides an air passage at least one end of which is open at both ends,
The side support vane
An upper support integrally extending from an end of the hollow cushion and supporting a side surface of the upper midsole; And a lower support portion extending integrally from an end of the hollow cushion portion at a position overlapping with the upper support portion and supporting the side surface of the lower midsole. delete delete delete The method according to claim 1,
Upper extension portions are formed on both ends of the upper support portion,
Wherein a lower extension is formed at both ends of the lower support,
Wherein the upper extension and the lower extension are structurally connected at vertically overlapping positions. The method according to claim 1,
Wherein the hollow buffer is provided to have a cross-sectional shape of any one of polygonal, circular and elliptical,
Wherein the upper support portion and the lower support portion extend from an end portion of the hollow cushion portion corresponding to a cross-sectional shape of the hollow cushion portion. The method according to claim 1,
Wherein a reinforcing rib is formed on at least one of the upper support portion and the lower support portion. delete The method according to claim 1,
A plurality of hollow cushion parts are provided so as to be spaced apart from each other,
Further comprising: a connecting portion for integrally connecting the plurality of hollow cushion portions. The method according to claim 1,
Side grooves are formed on a side surface of the midsole member along a boundary between the upper midsole and the lower midsole,
Wherein the upper support portion and the lower support portion are in close contact with the side grooves. The method according to claim 1,
A plurality of reinforcing members are provided so as to be spaced along the longitudinal direction of the midsole member,
Wherein at least a portion of at least one of the plurality of reinforcement members is formed to have a different thickness. 12. The method of claim 11,
Wherein at least a portion of a reinforcing member disposed in a region adjacent to a rear end and a medial side tip of a lateral side of the midsole member is formed to have a relatively thick thickness, .

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