KR100816534B1 - Shoe with a replaceble sole and the last for manufacturing the same - Google Patents

Abstract

TECHNICAL FIELD The present invention relates to a shoe, and more particularly, to a shoe that can provide a beneficial advantage to a user by forming a replaceable and easily removable exchange window on a shoe sole, and having one or more inserts recessed in an upper surface thereof. A shoe sole with a groove formed thereon; An upper surface of which the bottom surface is recessed in the same shape as the insertion groove to form a receiving space and is coupled to the shoe sole; An exchange window inserted into the accommodation space to enable replacement; It relates to a shoe provided with an exchange window, characterized in that it comprises a; a shoe insole installed on the upper surface of the exchange window, and also relates to a last manufactured to be suitable for manufacturing a shoe having such a structure.

Shoe, exchange window, replacement, last, gait correction

Description

Shoe with a replaceble sole and the last for manufacturing the same

1 is a partial perspective view of the prior art 1;

Figure 2 is an exploded perspective view showing the configuration of the shoe according to the prior art 2.

Figure 3 is an exploded perspective view of the shoe according to the prior art 3.

Figure 4 is a schematic diagram showing the basic form of a shoe as a first embodiment of the present invention.

5 is a schematic view showing a specific embodiment of the exchange window.

6 is a configuration diagram of a shoe according to a second embodiment.

7 is a plan view showing a specific embodiment of the incision.

8 is an exploded perspective view showing a first selection example of the exchange window;

9 is an exploded perspective view showing a second example of selection of an exchange window;

10 is a side view of the last;

11 is a side view of another last.

<Description of Major Symbols Used in Drawings>

100: sole 110: insert groove

120: coupling groove 130: coupling hole

200: upper 210: bottom surface

220: receiving space 230: incision

300: exchange window 310: coupling protrusion

320: combined projection 400: last

410: bonding surface 420: floor forming surface

TECHNICAL FIELD The present invention relates to a shoe, and more particularly, to a shoe having a replaceable and easy-to-detach exchange window formed on a shoe sole to provide a user with a beneficial advantage, and also suitable for manufacturing a shoe having such a structure. It's also about last built to be.

Conventional shoes include outsoles, midsoles, insoles and uppers, which are in direct contact with the ground and are primarily made of rubber-like material to prevent slipping and at the same time not to wear too easily. The midsole is coupled to the upper side of the outsole to absorb a shock transmitted to the foot, and is mainly made of a material such as E.V.A. An upper is coupled on the midsole, and an insole is installed on the inner bottom of the upper.

Even in shoes having such a basic configuration, various shoes have been continuously developed for better functions and improvement of wearing comfort, and special purpose shoes for providing for special purposes are also widely used.

Among the above components, since the midsole plays a shock absorbing function, the role of the midsole is most important, and the damage of the midsole can cause many problems. The midsole is made of such as EVA (Ethylene vinyl acetate), polyurethane foam and similar sponge foam (Sponge foam), the function of the midsole gradually decreases as you wear shoes, depending on the user's steps or ground conditions Deformation may occur in the shape of the midsole. Such deformation of shoes, in particular of midsole, may adversely affect the user's gait and may cause diseases related to the feet, legs, knees or waist.

Shoes have been proposed to replace the midsole with the prior art presented as a solution to solve this problem.

Hereinafter, the related arts will be briefly described.

First, US Pat. No. 5,799,417, "Shoe sole with a removable insert" (hereinafter referred to as prior art 1) is known, Figure 1 shows a partial perspective view of the prior art 1. As shown, the outsole heel portion is formed to be movable and detachable with the upper, and the technology to install the insert as a midsole therebetween. This means that the midsole can only be replaced for the heel, and the sole is removed from the upper and the midsole is inserted from the outside of the shoe. Since the technology is installed so that the midsole is exposed to the outside of the shoe, there is a problem that the midsole can be separated if the connection of the outsole heel coupled with the upper becomes loose. Long-term use inevitably leads to changes in the outsole, midsole and upper, which is a major drawback.

Another one is US Pat. No. 6,345,454, "Shoes with a Removal Sole" (hereinafter referred to as Prior Art 2), Figure 2 is an exploded perspective view showing the configuration of the shoes according to the prior art 2 to be.

As shown, the technique is to be detachable to the shoe upper of the shoe sole integral with the outsole and the midsole is integrated, the upper and the finished window should not be separated when wearing the shoe so that the coupling error is very tightly managed Should be. This greatly affects the manufacturing cost and there is a problem in that there is a limit to providing a finished window that meets the specific needs of users in a variety of inexpensively. That is, there was a need for a shoe that allows the user to freely change the midsole as needed without affecting the structure or shape of the shoe itself.

As another conventional technology, "Shoes" (hereinafter, referred to as the prior art 3) of the Republic of Korea Utility Model No. 421838 is disclosed, Figure 3 shows an exploded perspective view of the shoe according to the prior art 3.

According to the configuration, in the shoe comprising a sole having a bottom surface in contact with the bottom, an upper coupled to the sole so as to cover the foot of the wearer, and an insole placed on top of the sole, between the sole and the insole A cushion for shock absorption is interposed therein, and an upper surface of the sole is provided with a cushion receiving groove for accommodating the cushion, and a thickness reduction of the sole due to the cushion receiving groove is formed inside the bottom edge of the sole. It is characterized in that the thickness reinforcement is provided in the downward direction to compensate.

This technique is to put a cushion receiving groove on the upper surface of the sole and to incorporate a cushion corresponding to the midsole in the cushion receiving groove and to combine the upper, which has the disadvantage that it cannot be separated and replaced once combined.

Accordingly, an object of the present invention for solving the problems of the prior art as described above is to provide a shoe suitable for the physical characteristics of the consumer to be able to replace the installation of the various midsole concept without modifying the finished shoe. .

It is also an object of the present invention to provide a new type of last suitable for providing such shoes.

The present invention for achieving the object as described above, in the shoe, one or more shoe soles are formed recessed in the upper surface; An upper surface of which the bottom surface is recessed in the same shape as the insertion groove to form a receiving space and is coupled to the shoe sole; An exchange window inserted into the accommodation space to enable replacement; It relates to a shoe provided with an exchange window, characterized in that it comprises a; a shoe insole installed on the upper surface of the exchange window.

In addition, the present invention provides a shoe sole formed with one or more insertion grooves recessed in the upper surface; An upper having a flat bottom surface coupled to the sole of the shoe, the upper surface having an incision formed in a longitudinal direction to reach the insertion groove; An exchange window installed in the insertion groove through the cutout; It also relates to a shoe provided with an exchange window, characterized in that it comprises a; a shoe insole installed on the bottom surface.

In addition, the incision relates to a shoe provided with an exchange window, characterized in that formed to be opened and closed by a zipper or a strap.

In addition, the exchange window relates to a shoe provided with an exchange window, characterized in that it comprises a plurality of heterogeneous areas having different hardness according to the user's gait characteristics.

In addition, the shoe sole is provided with a plurality of coupling grooves are provided on the edge of the insertion groove, the edge of the exchange window is inserted into the insertion groove is provided with an exchange window, characterized in that the engaging projection corresponding to the coupling groove is formed will be.

In addition, the shoe sole has a coupling hole penetrated to the outer surface on the wall surface of the insertion groove is formed, the side circumference of the exchange window coupled to the insertion groove is provided with a coupling projection corresponding to the coupling hole to be constrained mutually. It relates to a shoe provided with an exchange window.

And the present invention in the shoe last used to assemble the upper shoe to the shoe sole to assemble in the form of a shoe, which is separated into two parts to form a coupling surface in the vicinity of the midfoot, the bottom surface is provided with a protruding bottom forming surface The present invention relates to a last for manufacturing a shoe provided with an exchange window.

Hereinafter, the present invention will be described in more detail with reference to various drawings for better understanding. The present application is intended to protect the technical idea of the present invention, the accompanying drawings show one possible form derived from the technical idea of the present invention. Accordingly, the scope of the present invention is not limited to the drawings, and modifications at the same level as simple structural changes or equivalent elements without departing from the scope of the technical idea are included in the scope of the present invention.

First, a shoe (hereinafter referred to as a shoe) provided with an exchange window according to the first embodiment of the present invention will be described. Figure 4 corresponds to a schematic diagram showing the basic form of the shoe as the first embodiment.

As shown, the shoe comprises a shoe sole 100, an upper 200, an exchange window 300, and a shoe insole 500. The shoe sole 100 has an outsole (not shown) is coupled to the bottom surface, the upper surface is provided with a recessed insertion groove 110. The insertion groove 110 may be one continuously connected from the forefoot to the forefoot, or two or more may be formed in a separated form.

The upper 200 is positioned and bonded to the upper side of the shoe sole 100, in particular, in the present invention, the bottom surface 210 constituting the upper 200 is recessed in a shape corresponding to the insertion groove 110. Thus, the receiving space 220 is formed. That is, the coupling is formed in such a way that the receiving space 220 formed on the bottom surface 210 of the upper 200 is inserted into the insertion groove 110 provided in the shoe sole 100.

Meanwhile, the exchange window 300 is installed in the accommodation space 220 formed in the upper 200, and the exchange window 300 may be freely replaced. The accommodation space 220 in the present embodiment is formed in the upper 200, and the upper surface is opened, thereby forming a structure in which the replacement window 300 can be inserted and removed.

After installing the exchange window 300 in the accommodation space 220, it is preferable to place the shoe insole 500 on the upper surface of the exchange window (300). The shoe insole generally means that of an insole concept used in sneakers and the like.

Replaceable exchange window 300 is installed in the receiving space 220 of the upper 200 and when combined with the shoe sole 100 to perform the same function as the midsole, the exchange window 300 in a variety of materials and partial As the hardness can be made differently provided to the consumer. That is, the exchange window 300 can be made by connecting a material made of a material such as sponge having different hardness, and when foaming is produced, it is also possible to form an exchange window to form an integral body by foaming different materials at the same time. As another possible method, the exchange window 300 may be manufactured in a tubular shape with an empty interior, and may have different hardness by putting different materials in separate rooms.

5 is a schematic diagram showing a specific embodiment of the exchange window. 5 is an exchange window configured to assist in correcting the gait of the wrong person by walking, (a) corresponds to the case of the internal gait, and (b) has the external gait It can be applied to people.

In the case of a person with an inner gait, a lot of force acts inward when the shoe is worn. Therefore, the exchange window 300 is to place a material of a high hardness material in the inner direction as shown and to place a material of low hardness on the outer side. Largely three kinds of materials having heterogeneous hardness were used, S is the lowest hardness, M is the middle, H means the highest hardness. M material was used for the forefoot anterior side, after which S and H were the main material and M material was placed at the outer end of the forefoot. That is, the H material is mainly disposed in the inner direction where the force is widely distributed as a whole, and the S and M materials may be properly mixed and arranged.

In the case of a person having an external gait, as shown in (b), since a lot of force is distributed in the outward direction, the H material is mainly used on the outside and the S material is mainly used on the inside.

Specific examples of the above-described exchange window has been proposed for the purpose of gait correction, as well as it can provide various types of exchange window suitable for the user's body characteristics.

Second Embodiment

The shoe provided with the exchange window according to the second embodiment of the present invention is the same as the configuration of the shoe shown in FIG.

The main components include a shoe sole 100, upper 200, exchange window 300 and the shoe insole 500, one or two or more insertion grooves 110 recessed in the upper surface of the shoe sole 100. ) Is provided. The upper 200 is coupled to the upper portion of the shoe sole 100 to form a shoe. In particular, in the present embodiment, unlike the first embodiment described above, the bottom surface 210 of the upper 200 is flat. It is made, the incision 230 is provided along the longitudinal direction on the flat bottom surface. When the upper 200 is coupled to the shoe sole 100, the bottom surface 210 covers the upper portion of the insertion groove 110, and thus an insertion groove between the upper surface 200 and the coupling surface of the shoe sole 100 is provided. 110 forms an empty space part.

An exchange window 300 is installed in the empty space formed by the combination of the shoe sole 100 and the upper 200, and the exchange window 300 is inserted into the insertion groove 110 through the cutout 230. To do that. In this embodiment, two insertion grooves 110 separated from the shoe sole 100 are to be placed, and each of the insertion grooves 110 is provided with one replacement window 300.

And the upper surface of the upper surface 200 to place a conventional shoe insole 500 to configure the finished shoe.

In configuring the cutout 230 provided on the bottom surface 210 of the upper 200, more preferably as shown in Figure 7 it is possible to open and close the cutout with a zipper or a strap. If you want to install or replace the exchange window, open the incision by opening the zipper, install the exchange window, and close the zipper again.

8 is a schematic exploded perspective view showing a first selection example of the exchange window applicable to this embodiment.

Basically, the exchange window 300 is fitted into the insertion groove 110 formed on the upper surface of the shoe sole 100, the insertion groove provided in the shoe sole 100 in order to install the exchange window 300 more firmly A plurality of coupling grooves 120 to be placed at the edge of the 110, a plurality of coupling protrusions 310 corresponding to the coupling groove 120 at the edge of the exchange window 300 to be coupled to the insertion groove (110). To be combined.

9 is an exploded perspective view showing a second example of the replacement window, as shown, to form a plurality of coupling holes 130 through the wall of the insertion groove 110 to the outer surface of the sole 100 Correspondingly, a coupling protrusion 320 is placed around the edge side of the exchange window 300 to be constrained to each other.

The coupling structure of the exchange window and the shoe sole by the combination of the coupling groove, the coupling protrusion and the coupling hole and the coupling protrusion as described above enables the replacement of the replacement window easily, and the selection of various exchange windows suitable for the physical characteristics of the consumer. do.

In the second embodiment, the exchange window may be configured as an exchange window having various hardness using materials of different materials as in the first embodiment.

The shoe provided with the exchange window 300 as described above, the exchange window 300 corresponding to the midsole concept can be easily installed or replaced in the state in which the shoe sole 100 and the upper 200 are coupled. And in the shoe of the present invention, the exchange window 300 is made in the form most suitable for the physical characteristics of the consumer can be easily replaced so that it is possible to create a high value added shoes with a special function.

Hereinafter, the last suitable for manufacturing the shoe provided with the above-described exchange window will be described. In general, the last term refers to an insert having a foot shape, which is essential for shoe assembly, and is manufactured using synthetic resin.

In general last, a single body has a shape of one foot, and in particular, the lower surface of the last has a flat surface. The last shape is flat because the upper surface of the shoe sole is generally flat in general shoe assembly. The last is inserted into the upper and then bonded to each other using an adhesive to the sole of the shoe to create a finished shoe.

10 is a schematic side view showing the last used in the manufacture of the shoe according to the first embodiment of the shoe provided with the exchange window described above.

The last 400 is basically separated into two in the vicinity of the middle foot portion, the two separated using the coupling surface 410 is in close contact with each other. In addition, the shoe provided with the exchange window 300 has an insertion groove 110 recessed in the shoe sole 100, and correspondingly, the upper surface of the upper 200 is recessed in the same shape as the insertion groove 110. It is done. Therefore, in order to bond the shoe sole 100 and the upper 200, the bottom forming surface 420 protruding in the same shape as the insertion groove 110 is placed on the lower surface of the last 400.

The process of manufacturing the shoe provided with the exchange window 300 using the last 400 as described above is as follows. A shoe sole 100, an upper 200, an exchange window 300, etc., which constitutes a shoe, is manufactured, and the bottom forming surface 420 is upper by inserting a last 400 into the upper 200. It is in close contact with the bottom surface 210 of the 200. In this case, the separated last may push the front last into the upper first and then put the rear last to match the mating surface. After the last 400 is installed on the upper 200, the upper 200 is fitted to the upper surface 200 of the shoe sole 100 so as to be fixed by using an adhesive. When the shoe sole 100 and the upper 200 are completely coupled, the last 400 may be removed. In particular, the last is separated according to the present invention can be easily separated with a small force when separating the last from the upper gives the advantage that does not harm the state of the shoe sole and upper.

In the case of the last has been described as an example in which one insertion groove is provided in the shoe sole, it is equally applicable to the case in which two insertion grooves in the shoe sole are separated. That is, the bottom forming surface formed on the lower surface of the last may be projected in accordance with the position of the insertion groove.

Next, the last used for assembling the shoe according to the second embodiment of the shoe provided with the exchange window will be described, and FIG. 11 corresponds to the side view of the last.

The shoe according to the second embodiment of the shoe provided with the exchange window is the bottom surface 210 of the upper 200 is flat when the insertion groove 110 of the shoe sole when combined with the shoe sole 100 is upper 200 It is blocked by the bottom surface (210). In order to assemble the shoe having such a structure, the last 400 is to be separated into two using the coupling surface 410 near the midfoot, but the lower surface of the last has a flat shape. Meanwhile, a separate auxiliary last 430 is used to fill the insertion groove 110, and the auxiliary last may be the same as the shape of the insertion groove so as to fill the insertion groove.

Looking at the specific process, preparing the shoe sole 100 is formed with two insertion grooves 100 and combine the auxiliary last 430 to the insertion groove 100 one by one. Then, the separated last 400 is inserted into the upper 200, wherein the upper surface 210 of the upper 200 forms a flat shape. The upper 200 to which the last 400 is inserted is fixed to the appropriate area by applying an adhesive to the upper surface of the shoe sole 100. After the fixing is completely completed, the last 400 is separated from the upper 200, and the incision (zipper) 230 formed at the upper bottom 210 is opened to remove the auxiliary last inserted in the insertion groove 110. The exchange window 300 may be installed.

According to the present invention according to the configuration as described above it is possible to replace the exchange window corresponding to the midsole freely and simply freely when the life of the replacement window can be replaced by replacing only the replacement window can minimize the waste of resources The effect and the economic burden on the consumer can also be reduced.

And since the exchange window of the present invention can be manufactured according to the consumer's physical characteristics can be applied to special shoes for the purpose of gait correction or disease treatment for the purpose of providing a shoe with high functionality and high added value It also has the effect.

Claims (7)

delete In shoes, A shoe sole formed with one or more insertion grooves recessed in an upper surface thereof; An upper having a flat bottom surface coupled to the sole of the shoe, wherein the upper surface has an incision formed in a longitudinal direction to reach the insertion groove; An exchange window installed in the insertion groove through the cutout; Shoe provided with an exchange window, characterized in that it comprises a; The method of claim 2, The cut portion, Shoe provided with an exchange window, characterized in that formed to be opened and closed with a zipper or strap. The method according to any one of claims 2 to 3, The exchange window, Shoes having an exchange window characterized in that it comprises a plurality of heterogeneous areas having different hardness according to the user's gait characteristics. The method according to claim 2 or 3, The shoe sole, Shoes provided with an exchange window, characterized in that a plurality of coupling grooves are provided at the edge of the insertion groove, the coupling protrusion corresponding to the coupling groove is formed at the edge of the exchange window inserted into the insertion groove. The method according to claim 2 or 3, The shoe sole, Shoe provided with an exchange window, characterized in that the coupling hole penetrates to the outer surface of the insertion groove is formed, the side circumference of the exchange window coupled to the insertion groove is provided with a coupling hole corresponding to the coupling hole to be constrained to each other. In the shoe last used to assemble the shoe form by combining the upper to the shoe sole, Last for the shoe manufacturing is provided with an exchange window, characterized in that the coupling surface is formed in the vicinity of the midfoot portion is separated into two parts, the bottom surface is provided with a protruding bottom forming surface.

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