KR101207982B1 - Shoes and the manufacturing method thereof - Google Patents

Abstract

The present invention relates to a shoe having a simple manufacturing process and capable of holding pressure, and a method of manufacturing the same. According to an embodiment of the present invention, in an shoe including an upper that can cover an instep and a sole coupled to a lower end of the upper, the upper, the flexible welt facing the outer circumference of the open lower end of the upper, and the upper An insole bordered around the open lower end of the insole, wherein the welts, the uppers and the insoles overlaid present a shoe connected by stitching.

Description

Shoes and the manufacturing method

The present invention relates to a shoe having a simple manufacturing process and capable of holding pressure, and a method of manufacturing the same.

In general, the shoe consists of an upper part covering the instep and a window fixed to the upper and facing the ground. Authentic shoes have overlapping configurations such as insoles, midsoles, main insoles, and heel, and uppers are made of different materials and pieces, such as endothelium, vera, core, and endothelium.

Each of these components is connected to each other by adhesive or sewing. Finely crafted shoes can be classified as high-quality products and can be traded at high prices, but they are not suitable for multi-quantity and small-volume production systems in accordance with recent trends in design diversification according to consumer tastes.

On the other hand, the foot is called a miniature version of the human body in oriental medicine, it is known that the body function is activated by the local pressure of the sole of the foot. In particular, the interest in foot acupressure is increasing due to the influence of oriental medicine developed in the Asian culture.

Shoes originate in the West and generally have flat insoles. In addition, since the hard heel on the rear end of the main window is high, the effect of the foot acupressure is almost as it is, there is a disadvantage that brings a lot of fatigue of the sole during long walking.

There have been many attempts to achieve foot acupressure through shoes. Most conventional techniques have focused on the formation of protrusions or curvatures for acupressure in the insoles, which acts as a cause of bad fit because it is to press the sole at all times during the wearing process.

The present invention has been made to solve the above-described problems, and has an object of making the manufacturing easy by providing a shoe of a simple configuration. In addition, there is also an object to make acupressure on the arch portion while excellent in fit.

In order to solve the above problems, the present invention provides a shoe that includes an upper that can cover an instep and a sole that is coupled to a lower end of the upper, wherein the upper portion is flexible to the outer circumference of the open lower end of the upper. A welt and an insole rimmed around the inside of the open lower end of the upper, the overlapping welt, the upper and the insole present a shoe connected by stitching.

Here, the first seam and the first seam to connect the welt, the upper and the insole may be spaced apart, and may include a second seam to connect the welt and the upper.

In addition, the bottom of the welt is connected to the outer surface of the lower end of the upper, the top of the welt can be fixed to the bottom surface of the insole.

In addition, the rim of the insole is curved to be in contact with the lower end of the outer shell may be concave bottom surface.

In addition, the upper may include an outer skin which is an artificial leather and an inner skin attached to an inner surface of the outer skin, and the welt may be made of the same material as the outer skin.

On the other hand, the sole relates to a sole pad to which the upper is attached, a heel protruding from the rear surface of the bottom surface of the sole pad, acupressure extending from the heel to the center inner side corresponding to the inner calf of the wearer Heel and may include a front stepping portion protruding from the bottom surface front portion of the main pad so as to be spaced apart from the acupressure heel.

Here, the acupressure heel is connected to the heel in the central portion of the one surface toward the tip of the heel of the heel, it may extend inclined toward the inner center.

In addition, the acupressure heel may protrude further downward than an imaginary plane formed by the bottom surface of the front step portion and the bottom surface of the heel.

In another embodiment, the step of manufacturing the outer shell covering the instep, the step of attaching the endothelial to the inner surface of the outer shell to produce the upper, padding the edge of the insole on the open inner lower end of the upper, Attaching the welt to the outer lower end and connecting the upper, insole and welt, rolling the welt along the lower end of the upper to fold it to fix the bottom surface of the insole, and attaching the lower end of the upper to the sole. It provides a manufacturing method of the shoe containing.

Here, in the connecting of the upper, insole and welt, the upper, the insole and the welt may be sewn along the lower end of the upper, and the upper and the welt may be sewn second.

According to the embodiment of the present invention, since the connection of the upper, the welt and the insole can be completed in one sewing operation, the manufacturing is easy and thus the productivity is improved.

In addition, by providing acupressure heel on the sole of the sole can effectively acupressure the inner leg of the wearer when walking, has an advantage of improving the wearing comfort, durability of the sole is increased.

1 is a perspective view schematically showing a shoe according to an embodiment of the present invention.
2 is an exploded perspective view of a portion of the embodiment shown in FIG. 1;
3 is an assembled cross sectional view of the embodiment shown in FIG.
4 is another assembled cross sectional view of the embodiment shown in FIG.
5 is a partial cross-sectional view of the embodiment shown in FIG. 1.
6 is a schematic bottom view of the sole employed in the embodiment shown in FIG. 1;
7 is a schematic side view of the shoe shown in FIG. 1;

Hereinafter, with reference to the accompanying drawings will be described the configuration, function and operation of the shoe and its manufacturing method according to an embodiment of the present invention. However, the same reference numerals for similar or identical components are used uniformly.

1 to 5, the shoe 10 according to the embodiment of the present invention includes an upper that can cover the instep 1 and a sole 4 that is coupled to the lower end of the upper 1. Include.

The upper 1 is the part which determines the design of a shoe by covering at least the instep. The upper 1 may have a shape that covers the entire foot of the foot below the ankle as shown, or may have the shape of a boot that covers the ankle or more, a slipper that wraps only the front foot. The upper, which can have various shapes, is not limited by the shape in the present invention.

The upper 1 may be manufactured by stacking a plurality of members. The members of the upper are largely divided into the outer shell 11 observed from the outside and the inner shell 12 attached to the inner surface of the outer shell. In addition, the outer shell is composed of a plurality of pieces are connected to each other, the connection of these pieces may be made of sewing as shown, or made in various ways such as adhesive.

This shell 11 may be made of artificial leather. Artificial leather has the advantage of being easy to express color and various textures and low cost.

On the other hand, the endothelial 12 is mainly to use a softer material than the outer skin. For durability, fabrics made of synthetic fibers or artificial leather that is softer than the outer skin may be used.

The outer shell 11 and the inner shell 12 are integrally bound via an adhesive. The lower end part of the produced upper 1 is open | released.

Alternatively, the upper may be made from thick natural leather.

An insole 2 is a bottom member whose rim is circumferentially surrounded on the inner side of the open lower end of the upper 1. Insole (2) is to fix the basic form of the shoe is made of thick leather or synthetic resin.

The edge 21 of the insole 2, ie the perimeter of the upper surface, is interviewed against the open lower end of the upper 1. The edge 21 of the insole 2 and the lower end of the upper 1 may be connected to each other by sewing, as will be described later.

The edge 21 of the insole 2 is bent to inscribe with the lower end of the upper, so that the bottom surface of the insole 2 coupled to the upper 1 is concave upward. The edge of the insole may be formed in advance before being coupled to the upper, or naturally formed in the process of sewing the edge to the inside of the lower end of the upper.

On the other hand, the welts 3 are band members which are placed around the outside of the open lower end of the upper 1. The welt 3 has flexibility that can bend smoothly. These welts are made of various materials having flexibility since sewing is possible, such as artificial leather or cloth.

Further, the welt 3 may be made of the same material as the outer shell of the upper 1. If the welt is the same material as the outer shell, it has the advantage of giving the shoe uppers and continuous color and texture.

Alternatively, the welt may be made of a material different from the skin, and in this case, a color or texture different from the skin may be expressed, thereby adding a decorative effect.

In addition, in the case where the skin and the welt have a front face which is used to be exposed to the outside and a rear face which are not, the front face of the skin face and the front face of the welt face each other. The reason will be described later.

In addition, the welts 3 can be divided so as to surround the front and rear portions of the upper 1 as shown in FIG. 2, respectively. Or the welts may be provided in one continuous strip. In order to avoid impairing the appearance of the shoe when divided, it is preferable that portions of each of the welts 3 overlap each other.

3 shows the connection structure of the upper 1, the insole 2 and the welt 3 in a cross-sectional view.

The overlapped uppers 1, insoles 2 and welts 3 are connected to each other by sewing. Such stitching can be made through a sewing machine. Joining of the members by sewing is possible along a lower periphery of the upper, so that only one sewing is possible. The coupling method by sewing the upper, insole and welt will have high productivity.

As shown, the bottom of the insole 2 and the bottom of the welt 3 are positioned alongside the bottom of the upper 1. The edge 21 of the insole 2 is interviewed locally with the endothelium 12 of the upper 1. In addition, the lower end of the welt 3 is interviewed with the lower end of the outer shell 11. In this way, since the sewing is made to the portions that are being interviewed with each other, the insole 2 and the welt 3 are about to be parallel to the surface of the upper 1, and thus the edge of the bottom surface 22 of the insole 2 Steps 13 are formed, and the bottom surface 22 of the insole 2 is convexly curved upwards.

Furthermore, stitching can be made multiple times. In this case, the primary stitches forming the first seam 31 connecting the welts 3, the upper 1, and the insole 2 to each other, are spaced upwardly from the first seam 31, and the welts 3 ) And a second stitch forming a second seam 32 connecting the upper 1.

The first sewing line 31 is formed close to the lower end of the upper (1) can be fixed to the shape of the upper structure of the shoe by sewing including the rim of the insole (2).

In addition, the second seam 32 connects the upper 1 and the welt 3 at a position higher than the upper surface of the insole 2 to increase the fixing force of the welt 3, and as described later, the welt is turned upside down. It has a function of preventing the connecting portion of the insole 2 and the upper 1 from being deformed when pulled out.

In this case, each of the first sewing line and the second sewing line may be stitched a plurality of times.

4 is a sectional view showing a state before attaching the upper to the sole.

On the left side of the drawing, the welt 3 is turned upside down.

The circumference of the open lower end of the upper 1 has a continuous curved surface, and the welt 3 fixed to the lower circumference in an interview can be folded down while being elastically deformed by its elasticity. At this time, the second sewing line 32 becomes a reference line at which the welt is folded.

The welts 3 are pulled down to enclose the lower end of the upper 1 and subsequently attached to the bottom surface 22 of the insole 2. Adhesives may be used to attach the welts. Alternatively, the welt may be attached to the insole by sewing instead of the adhesive.

At this time, the rim 13 of the insole 2 which is joined to the lower end of the upper by the first sewing line 31 forms a chin 13. The welt 3 wraps around the jaw 13 and is bonded to the bottom surface 22 of the insole 2.

The welt 3 bent downward in parallel with the outer surface of the upper 1 can be attached to the bottom surface of the insole with a plurality of folds folded along its longitudinal direction, further folding towards the bottom surface of the insole 2. have.

At this time, in order to tighten the welt 3 exposed to the outside of the lower end of the upper 1, the welt 3 is strongly pulled downward and attached to the insole 2. The second seam 32 is the boundary at which the welt folds in half when the welt 3 is pulled down to be folded down.

At this time, since the second sewing line is formed to be spaced apart higher than the first sewing line, the upper and the welt are not pulled away from each other in the lower end portion in which the first sewing line is formed by pulling the welt. In other words, the tension generated when pulling the welt mainly affects the second seam, and hardly reaches the first seam. As a result, the coupling form of the insole and the upper formed by the first sewing line is not deformed or spread.

After the welt 3 is secured to the bottom surface of the insole 2, the insole 2 is attached to the sole 4. The top edge of the sole 4 protrudes in a gentle curve towards the top, so that the top end of the sole surrounds the folded portion of the welt 3.

As a result, as shown in FIG. 5, the sole 4 is fixed to the upper 1 while wrapping the lower end of the side of the welt 3. At this time, although not shown, the sole may be made of an outsole and a midsole.

A portion of the welt 3 is exposed on the side of the shoe 10 where the sole 4 has been bonded.

6 to 7 relate to a sole.

The sole 4 according to the embodiment of the present invention corresponds to the insole pad 41 to which the upper is attached, the heel 42 protruding from the rear surface rear portion of the insole pad 41, and the inner calf of the wearer. The acupressure heel 43 extending from the heel 42 to the inner side of the center and the front tread portion 44 protruding from the bottom surface front portion of the main pad 41 to be spaced apart from the acupressure heel 43. Include.

The sole 4 including the insole pad 41, the heel 42, the acupressure heel 43, and the front tread portion 44 may be injection molded to be integral with synthetic rubber. In addition, the front stepping portion 44 and the heel 42 may be further formed of a different material layer. This layer can be made of tougher synthetic resin than insole pads or heels.

The upper surface of the window pad 41 is attached to the upper 1. A midsole (not shown) may be further provided between the window pad 41 and the upper.

The front tread portion 44, the heel 42, and the acupressure heel 43 protrude from the bottom surface of the window pad 41. At this time, compared to the thickness of the front step portion 44, the thickness of the heel 42 can be increased to improve the fit of the shoe.

On the other hand, the acupressure heel 43 protrudes from the inner side of the bottom surface of the main pad 41 to correspond to the inner calf of the wearer. Acupressure heel is pressed by the ground when the wearer walks to press the soles of the soles, and occupies a smaller area than the heel.

In addition, the shiatsu heel 43 is connected to the heel 42. Specifically, the acupressure heel 43 has a shape extending from the one surface 421 toward the tip of the circumferential surface of the heel 42 toward the center inner side of the main pad 41.

If one side of the acupressure heel is not connected to the heel but is only connected to the insole pad, the area of the acupressure heel is impacted by a small acupressure heel hitting the ground or a protrusion protruding from the ground. There is a risk of falling off the main pad.

However, since the acupressure heel 43 according to the present invention is connected to both the insole pad 41 and the heel 42 has the advantage that the structural rigidity is increased. In addition, there is no fine groove between the heel and the acupressure heel to eliminate the inconvenience that the gravel is caught between the acupressure heel and the heel.

In addition, the acupressure heel 43 extends from the central portion of one surface of the heel 42 and is formed to be inclined toward the center inner side.

If the acupressure heel extends in a straight line on one side of the surface instead of the center of the heel, the elasticity when the connection portion of the acupressure heel and the heel is bent is different from right and left of the shoe. In other words, the acupressure heel is more easily bent on the outside than the inside of the extended shoe, there is a possibility that it will lead to impaired correct walking.

However, when the acupressure heel begins to extend in the center of the heel as in the embodiment of the present invention, the folding elasticity of the shoe is made evenly on the left and right of the shoe. Therefore, the influence on the correct walking posture of the wearer can be minimized.

In addition, the bottom surface of the acupressure heel 43 protrudes more than the imaginary plane F formed by the bottom surface of the heel 42 and the bottom surface of the front tread portion 44. To this end, a protruding layer 431 is further formed on the bottom surface of the chiropractor 43. The protruding layer 431 is formed only at a position corresponding to the inner longitudinal arch, and is not formed at the portion where the acupressure heel 43 and the heel 42 are connected. The protruding layer may be formed by attaching a separate pad having different materials, or may be integrally formed when the sole is molded.

When the front tread portion 44 and the heel 42 are simultaneously in contact with the ground by the acupressure heel 43 which protrudes more than the heel 42, the acupressure heel 43 is pressed against the ground to raise the inner calf of the wearer. To rise.

Therefore, when only the heel or the front step portion is in contact with the ground, or when the wearer is sitting on the chair, there is no acupressure due to the acupressure heel. In this way, since the arch of the arch is made only at one moment during walking, the arch is always pressed while the shoe is worn, and is differentiated from shoes according to other conventional techniques, which are poor in fit.

Hereinafter, a method of manufacturing shoes according to an embodiment of the present invention.

Method of manufacturing the shoe according to an embodiment of the present invention, the step of manufacturing the outer shell covering the instep, the step of manufacturing the upper by attaching the inner shell to the inner surface of the outer shell, the insole of the open inner lower end of the upper Padding the rim, padding the welt to the outer lower end of the upper, and connecting the upper, insole and welt, rolling the welt along the lower end of the upper to fold it to fix the bottom surface of the insole and the upper Attaching the lower end to the sole.

In the step of manufacturing the outer shell to connect a plurality of outer shell pieces with an adhesive, or by sewing to form the upper shape of the shoe. This sheath is open to the bottom portion corresponding to the sole. The number of shell pieces and the fixing means between them can be made in a variety of ways.

In the next step, the endothelium is glued to the skin to make an upper. The inner skin may be a softer material than the outer skin, which may be made of synthetic resins of different types. Bonding of the endothelium and the skin may be made by sewing in addition to the adhesive.

Then, the edge of the insole is interviewed inside the open lower end of the upper, and the welt is interviewed on the outside. At this time, align the edge of the insole with the bottom end of the welt to the bottom of the upper. In addition, when the welt is different from the front side and the rear side, the surface to be seen from the outside in the finished shoe should face the skin.

Each end is stitched along the periphery of the lower end of the insole, upper and welt fitted side by side to connect them. At this time, although not necessarily, the upper, insole and the welt may be sewn first along the lower end of the upper, and the second and the second may be sewn successively.

Alternatively, the welts are placed on the uppers so that the ends of the uppers and the ends of the welts are parallel to each other, and the first sewing is performed along the circumference of the uppers at the middle height of the welts. The lower end of the insole, upper and welt can be sewn secondary along the circumference of the upper.

Alternatively, the first and second sewing may be performed at the same time, and may be made by hand sewing in addition to the sewing machine, or an adhesive may be additionally used.

In the next step, the welt secured to the surface of the upper is rolled along the lower end of the upper and folded to secure it to the bottom of the insole. At this time, the fixing of the welt may be made of an adhesive.

Then, an adhesive is applied to the lower end of the upper, that is, the bottom surface of the insole including the folded welt, and attached to the top surface of the brush prepared in advance. This completes the manufacture of the shoe.

10: shoes
1: upper
11: outer skin 12: inner skin 13: jaw
2: Insole
21: Border 22: Bottom
3: welt
31: First sewing line 32: Second sewing line
4: brush
41: main pad 42: heel 421: one side
43: acupressure heel 431: protrusion layer 44: front stepping portion
F: virtual plane

Claims (10)

In the shoe comprising an upper that can cover the instep and a sole coupled to the lower end of the upper,
A flexible welt against the outer perimeter of the open lower end of the upper, and
An insole is rimmed around the inner side of the open lower end of the upper and is connected to the welt and the upper by sewing.
The brush is
The insole pad is attached to the upper,
Heel protruding from the bottom surface rear portion of the insole pad,
Acupressure heel extending from the heel to the medial medial corresponding to the medial arch of the wearer, and
It includes a front stepping portion protruding from the bottom surface front portion of the main pad so as to be spaced apart from the acupressure heel,
The chiropractor
It is connected to the heel in the central portion of one side toward the tip of the heel of the heel,
Shoes extending obliquely towards the center. In claim 1,
A first seam connecting said welt, said upper and said insole;
Shoe spaced apart from the first seam and comprising a second seam connecting the welt and the upper. In claim 2,
A lower portion of the welt is connected to an outer surface of the lower end of the upper;
The upper portion of the welt is rolled up and secured to the bottom surface of the insole. 4. The method of claim 3,
The rim of the insole is curved so as to be inscribed with the lower end of the upper endothelial shoe bottom surface concave upward. The method according to any one of claims 1 to 4,
The upper is
Outer leather and
An inner skin attached to an inner side of the outer skin,
The welt is made of the same material as the shell. delete delete In claim 1,
The acupressure heel protrudes further downward than an imaginary plane formed by the bottom surface of the front step portion and the bottom surface of the heel. Manufacturing an outer shell covering the instep,
Manufacturing an upper by attaching an endothelial to an inner surface of the outer shell,
Attaching an edge of an insole to an open inner lower end of the upper, attaching a welt to an outer lower end of the upper, and connecting the upper, insole and welt;
Rolling the welt along the lower end of the upper to fold it to fix it to the bottom surface of the insole, and
Attaching a lower end of the upper to a sole,
Connecting the upper, insole and welt,
Primary sewing the upper, insole and welt along the lower end of the upper,
Shoe manufacturing method characterized in that the secondary sewing the upper and the welt. delete

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