KR20100096557A - Safety shoe - Google Patents

Abstract

PURPOSE: Safety shoes are provided, which improve productivity and coherence of a safety pad and maximize profitability. CONSTITUTION: Safety shoes comprise: an outsole(10); a midsole(20) which is combined with the upper part of outsole; and a safety pad(30) which is equipped in the outsole or midsole. The safety pad is equipped with an adhesion power improvement member enhancing coherence with the outsole or midsole. The adhesion power improvement member includes a plurality of concavo-convexes.

Description

Safety Shoes with Injury Protection Pads {SAFETY SHOE}

The present invention relates to safety shoes equipped with an injury prevention safety pad, and more particularly, an outsole and a midsole are stacked and arranged, and an adhesion force improving means for increasing the adhesion of the safety pad provided on the outsole or the midsole or both is introduced. By molding the safety pad integrally with each outsole or midsole, or both by insert injection,

In the conventional safety shoes by using the outsole and the midsole and the safety pads of heterogeneous materials solves the problem that the adhesion strength is lowered due to the difference in characteristics between each material,

In addition, by providing a variety of position, size and shape of the attachment force improving means according to the arrangement position of the safety pad, the safety pad can improve the bonding force with the outsole or the midsole, or both, and at the same time increase the productivity of the safety pad economical We would like to propose safety shoes with safety pads to prevent injury.

Generally, a safety pad or safety plate made of metal material is used to protect a worker's feet from nails or glass on the floor. In this case, the safety pad is arranged between each brush is most often attached by an adhesive.

As a conventional safety shoes, the publication of the Utility Model Publication No. 1998-068764 by Applicant Kim Kwang-seop (published Dec. 5, 1998, hereinafter referred to as 'Prior Art 2')

Registered Patent No. 10-0697616, filed by Strath Co., Ltd. (registered on March 14, 2007, hereinafter referred to as “Prior Art 1”) has been posted.

However, in the case of the prior art 1 has a rubber coating on the upper stainless steel sheet, in this case, there is a problem that the stainless steel sheet and the rubber material is separated from each other due to the large heterogeneity and weak adhesive force.

In the case of the prior art 2, the bottom metal plate member covered with the protective skin is arranged between the sole and the midsole, thereby securing the adhesive force therebetween, thereby solving the problem of the prior art 1.

In the case of a metallic material due to the movement of a worker performing a work on a construction site or a work site, or the like, there is a problem in that a twist or deformation occurs to give a fatigue to the worker.

In addition, in the case of a metallic material, the diameter of the material is more than a certain thickness, which may add fatigue to the worker by the weight thereof, and is made in a thin plate shape.

In particular, when more force is applied to safety shoes than when walking, such as when a worker jumps or runs at a certain height in the field, the thin metal material does not exhibit sufficient strength and nails or glass penetrates the thin metal material. There is a problem in that the workers' feet are injured and fail to function as safety shoes.

The present invention has been made to solve the above problems,

In order to solve the problem that the adhesive force is lowered due to the difference in characteristics between each material by using a safety pad made of a heterogeneous material with the outsole and the midsole in the conventional safety shoes

The outsole and the midsole are arranged in a stack, and the unevenness formed on the upper or lower surface of the safety pad provided on the outsole or the midsole, or both, or both of them, is an unevenness which is a means of improving adhesion, and thus the unevenness formed on the safety pad when inserting the outsole or the midsole is inserted. It is an object of the present invention to provide safety shoes equipped with an injury prevention safety pad that can guarantee the reliability of the product by preventing the separation of materials between dissimilar materials by improving the bonding force between the safety pad and each brush by adhering the resin to each other.

Furthermore, a plurality of safety pads according to the present invention are provided, and through-holes are formed on each of the safety pads by means of improving adhesion to the safety pads. To increase the bonding force of the material to prevent the phenomenon of separation,

In particular, when the safety pad is made of a metallic material, it is possible to provide a safety pad having a sufficient area to protect the worker's feet from objects such as nails or glass that penetrate the safety shoes, and at the same time, one safety pad and another adjacent safety pad Safety holes equipped with injury prevention safety pads, which are formed to be arranged in different positions to protect the feet of workers from objects such as nails or glass that penetrate the safety shoes, and can secure confidence in safety. To provide another purpose.

In addition, by providing a variety of position, size and shape of the attachment force improving means according to the arrangement position of the safety pad, the safety pad can improve the bonding force with the outsole or the midsole, or both, and at the same time increase the productivity of the safety pad economical It is an object of the present invention to provide safety shoes equipped with an injury prevention safety pad that can maximize.

Safety shoes with an injury prevention safety pad according to the present invention outsole; A midsole coupled to the top of the outsole; And a safety pad provided on the outsole or the midsole, or both. Including, but the safety pad is characterized in that it is provided with an adhesion force improving means for increasing the coupling force with the outsole or the midsole, or both.

And the adhesive force improving means according to the invention is characterized in that it comprises a plurality of irregularities formed on the upper or lower surface, or both.

In addition, the safety pad according to the present invention is provided with a plurality, the attachment force improving means is a through hole formed in each safety pad, the through hole formed in one safety pad and the other adjacent safety pad is characterized in that arranged in different positions It is done.

Safety shoes provided with an injury prevention safety pad according to the present invention, the outsole, the midsole is arranged in a stack, and the upper or lower surface of the safety pad provided on the outsole or the midsole, or both, to form an unevenness to improve the adhesion to both When the injection of the outsole or midsole is injected into the unevenness formed in the safety pad, the resin is adhered to each other, thereby improving the bonding force between the safety pad and each sole, thereby preventing material separation between dissimilar materials, thereby ensuring product reliability.

Furthermore, a plurality of safety pads according to the present invention are provided, and through-holes are formed on each of the safety pads by means of improving adhesion to the safety pads. To increase the bonding force of the material to prevent the phenomenon of separation,

At the same time, the hole formed in one safety pad and the other safety pad adjacent to each other are formed to be arranged at different positions to protect the worker's feet from objects such as nails or glass penetrating through the safety shoes.

In particular, when the safety pad is made of a metallic material, a safety pad having a sufficient area can be provided to protect the worker's feet from objects such as nails or glass that penetrate the safety shoes, thereby securing confidence in safety.

In addition, by providing a variety of position, size and shape of the attachment force improving means according to the arrangement position of the safety pad, the safety pad can improve the bonding force with the outsole or the midsole, or both, and at the same time increase the productivity of the safety pad economical Can be maximized.

Hereinafter, with reference to the accompanying drawings, safety shoes with an injury prevention safety pad according to the present invention,

1 is an exploded perspective view showing the safety shoes provided with an injury prevention safety pad according to the present invention, Figure 2 is a perspective view showing a midsole according to the present invention, Figures 3 and 4 shows the combination of the midsole and safety pad according to the present invention. 5 and 6 are a perspective view and an enlarged view showing the combination of the outsole and the safety pad according to the present invention, Figure 7 is a perspective view and a side view showing another modification of the safety pad according to the present invention.

1 to 6 safety shoes equipped with an injury prevention safety pad according to the present invention is

Outsole 10; A midsole 20 coupled to the top of the outsole 10; And a safety pad 30 provided in the outsole 10 or the midsole 20, or both. It is made, including, the safety pad 30 is characterized in that it is provided with an adhesion force improvement means 32 to increase the coupling force with the outsole 10 or the midsole 20, or both.

1 and 5 and 6 in the safety shoes equipped with an injury prevention safety pad 30 according to the present invention, the outsole 10 is

As the floor arranged on the lowest floor of safety shoes, it directly contacts the ground such as a construction site or a work site.

Accordingly, in the case of the outsole 10, the characteristics of the outsole 10 are prevented from abrasion due to friction with the ground, and the worker slips or falls in contact with an object that may cause water or other sliding on the ground or the floor of each site. In addition, it is desirable to use a material that is somewhat resistant and light to objects that can penetrate the floor of safety shoes such as nails and glass.

The outsole 10 is made of a polyurethane or a urethane-based material.

1 to 4, in the safety shoes equipped with an injury prevention safety pad 30 according to the present invention, the midsole 20 is

The adhesive is applied to the upper portion of the outsole 10, and a material having a certain elasticity is used to cushion the impact applied to the worker during the work, and to have a light weight and minimize the fatigue of the worker. As it is desirable to use,

The outsole 10 is made of a polyurethane or a urethane-based material.

And the midsole 20 as shown in Figure 1 and 2

An air passage P formed in an upper surface portion, an accommodation portion 22 formed in communication with the air passage P, and formed behind the midsole 20, and formed on one side or both sides of the accommodation portion 22. It comprises an insertion portion 24.

That is, the air passage P of the midsole 20 may be implemented in various forms such as a mesh form or a radial form, and the air passage P is formed to communicate with the receiving portion 22 and flows into the safety shoes. Or the air that has stayed is introduced into the receiving portion 22 through the air flow path (P).

And the shock absorbing means (A) is built in the receiving portion 22, by the shock buffer means (A) to mitigate and / or absorb the shock applied to the worker to reduce the fatigue of the worker during the work In addition, it prevents the worker's safety accident and thereby increases the work efficiency.

Furthermore, one side or both insertion portion 24 is provided with a check valve (C) for controlling to discharge the air in one direction,

In this case, the check valve (C) is discharged to the outside of the safety shoes discharged or stayed in the receiving portion 22, and the outside air is controlled to prevent the inflow into the safety shoes.

This means that the air is discharged through the check valve (C) when the shock absorbing means (A) located in the receiving portion 22 in contact with the ground is pressed in the direction of gravity, the pressure in the receiving portion 22 Rises, and at this time, the check valve C is opened, and the air in the accommodation portion 22 is discharged to the outside of the safety shoes,

On the contrary, when the safety shoes of the worker fall off the ground, the shock absorbing means (A) is restored to its original state. In this case, the check valve (C) is closed so that outside air does not flow into the safety shoes.

And the impact buffer means (A) and the check valve (C) is to use a known one, in particular, in the case of the impact buffer means (A) registered Patent No. 10-0661085 by GBI Korea (December 18, 2006) The introduction of a known shock buffer member published in "Shock-Resistant Functional Well-Being Shoes" will not be described.

Furthermore, as shown in FIG. 1, the insole 40 is provided on the top of the midsole 20 according to the present invention.

The insole 40 is made of a material having a constant elasticity, and the air hole 42 is formed in front or rear, or both of the insole 40,

In addition, an air flow path P is formed on the bottom surface of the insole 40 to communicate with the air flow path P of the midsole 20, and also to be connected to the receiving portion 22 of the midsole 20 to ensure safety. Induced air is introduced into the receiving portion 22 of the midsole 20.

In addition, as shown in Figure 1, the upper midsole 20 according to the present invention is provided with an upper member 50 surrounding the operator's feet,

The upper member 50 is made of natural or artificial leather, or a light weight material to reduce the fatigue of the operator when working, it is preferable to increase the work efficiency.

1 to 6, in the safety shoes equipped with an injury prevention safety pad 30 according to the present invention, the safety pad 30 is

It is provided on the outsole 10 or the midsole 20, or both, and the safety pad 30, the adhesion force improving means 32 to increase the coupling force with the outsole 10 or the midsole 20, or both ) Is provided.

First, the safety pad 30 is to protect the worker's foot from such objects, such as nails or glass when the object penetrates through the bottom of the safety shoes,

The safety pad 30 is required to have a certain strength, and thus will use a material that can meet this.

In this case, the safety pad 30 is inferior in flexibility to the outsole 10, the midsole 20, and the insole 40 due to the characteristics of the material, and therefore, it is necessary to take a special structure to compensate for these characteristics. desirable.

That is, as shown in Figure 1, the safety pad 30 is the front and rear plates 36, the bent portion 38 connecting the front plate 34 and the rear plate 36, and the bent portion ( A portion of the front or rear plate 36, or both, including 38) comprises a reinforcement 38a formed along the longitudinal direction of the safety pad 30.

In addition, the bent portion 38 of the safety pad 30 is such that the rear plate 36 of the safety pad 30 is arranged under the shock absorbing means A provided in the receiving portion 22 of the midsole 20. It is a structure to

In this case the greatest stress is concentrated in the bent portion 38, so that the bent portion 38 includes the bent portion 38 in order to effectively cope with the concentrated stress. By forming the reinforcing bar (38a) it is possible to ensure the durability of the safety pad (30).

Hereinafter, the structure and function of the safety pad 30 which is the core technical idea of the present invention will be described with reference to FIGS. 3 to 6, and various modifications and / or application examples of the safety pad 30 will be described. Let's do it.

3 to 6, in the safety shoes provided with an injury prevention safety pad 30 according to the present invention, the attachment force improving means 32 of the safety pad 30 is

The outsole 10 or the midsole 20, or a configuration for increasing the bonding force with all of them.

That is, the safety pad 30 is integrally formed by insert injection into the outsole 10 or the midsole 20, or both, respectively, and the arrangement structure is

First, as shown in FIG. 6, the upper surface of the safety pad 30 is exposed to the upper part of the outsole 10 by being immersed in the upper surface part.

Second, as shown in FIG. 4, the lower surface portion of the safety pad 30 is exposed to the lower portion of the midsole 20 and is exposed downward.

Third, as illustrated in FIG. 5 or 3, the upper and lower surfaces of the safety pad 30 are buried in the outsole 10 or the midsole 20 and are not exposed to the outside.

In this case, the adhesion force improving means 32 includes a plurality of irregularities 32a formed on the upper surface or the lower surface of the safety pad 30 or both, and the adhesion force improving means 32 is

In the first case is formed on the lower surface of the safety pad 30,

In the second case is formed on the upper surface of the safety pad 30,

In the third case, both the upper and lower surfaces of the safety pad 30 are formed.

In addition, the unevenness 32a of the attachment force improving means 32 may have a repeated projection shape, a repeated groove shape, or a concave and / or convex line as shown in FIGS. 3 to 6. This is implemented in various ways such as continuous or discontinuous shape,

In addition, in this specification, the unevenness | corrugation of the adhesion force improvement means 32 is a concept which does not restrict the dimensions, such as width (or area), space | interval, height, and the like.

Therefore, when the outsole 10 or the midsole 20 or both of them are molded, the safety pads 30 are arranged in a mold, and when the resin is introduced into the mold, the unevenness 32a of the adhesion improving means 32 is increased. The resin is cured while coalescing (癒 着) to increase the mutual bonding force between the outsole 10 or the midsole 20 and the safety pad 30.

In particular, when the adhesive force improving means 32 is introduced into the safety pad 30 as described above, the safety pad 30 is made of a polycarbonate material and is formed of a polyurethane or urethane-based material 10 and The heterogeneity of the material between the midsole 20 and the safety pad 30 is lower than that of the metallic safety pad 30, so that a sufficient bonding force between the sole and the safety pad 30 can be secured, thereby preventing material separation and thus safety. It is possible to sufficiently secure the area of the pad 30 to be able to sufficiently perform the role of protecting the operator's feet.

In addition, since the safety pad 30 made of polycarbonate is light in weight, its thickness can be formed thicker than that of the metallic material, and there is no fear of twisting or twisting.

First of all, it can guarantee the strength that can withstand the impact of more than 100kgf to ensure the safety of the workers.

Next, as another modification of the attachment force improving means 32 of the safety pad 30 according to the present invention, as shown in FIG.

The safety pad 30 is provided in plural, the adhesion force improving means 32 is a through hole formed in the safety pad 30, 32b, the other safety adjacent to the through hole 32b formed in one safety pad 30 The through holes 32b of the pad 30 are arranged at mutually different positions.

In the following specification, as shown in FIG. 6, the safety pad 30 will be specifically described as being arranged at the top and bottom of the outsole or the midsole 20, respectively.

Since it is assumed that the number of arrangement of the safety pads 30 can be more than that, it is revealed that the simple increase or decrease of the number of safety pads 30 according to the present invention is included in the scope of the technical idea of the present invention.

And in FIG. 7, only the safety pads 30 are arranged only for the midsole 20 according to the present invention. However, the outsole is also applied through the same method.

However, unlike the case where only the front plate is provided in the case of the safety pad arranged on the upper portion of the midsole to be described below, the safety pad is applied as having a complete configuration.

In this case, the plurality of safety pads 30 are all embedded in the outsole 10 or the lower safety pad 30 is completely embedded in the outsole 10 although not shown in the accompanying drawings. ) May be provided in a form in which the top surface is exposed to the outside,

In addition, the plurality of safety pads 30 are all embedded in the midsole 20 or not shown in the accompanying drawings, but the upper safety pad 30 is completely embedded in the midsole 20 and the lower safety pad 30 The upper surface may be provided in the form of being exposed to the outside.

In addition, although not shown in the accompanying drawings, the outsole 10 and the midsole 20 may be configured in such a manner as to incorporate a safety pad 30 having a through hole 32b formed as an attachment force improving means 32, respectively.

Therefore, when the safety pad 30 is arranged in a mold to mold the outsole 10 or the midsole 20, and the resin is introduced into the mold, the resin introduced into the through hole 32b, which is the adhesion force improving means 32, is introduced. By curing the outsole 10 or the midsole 20 is molded it is possible to increase the mutual coupling force between each brush and the safety pad (30).

In particular, when the safety pad 30 is formed in the midsole 20 as shown in Figure 7, since the receiving portion 22 of the midsole 20 is formed behind the midsole 20, The safety pad 30 is not provided with the rear plate 36 and the bent portion 38 to use the safety pad 30 provided with only the front plate 34.

And the through-hole 32b, which is the attachment force improving means 32 formed in the safety pad 30, is arranged at different positions when an object such as nail or glass penetrates through safety shoes.

Even though penetrating through the through hole (32b) of the safety pad 30 is arranged in the upper portion of the safety pad 30 is arranged in the upper portion of the through hole (32b) is not formed so that objects such as nails or glass infiltrate This prevents the worker's feet from being protected.

In particular, when the safety pad 30 is a metallic material, each sole is divided based on the side line of the safety pad 30 due to material separation between the polyurethane sole or the urethane outsole 10 and the midsole 20. In order to prevent that, since the part formed with the same material, namely, each brush should be sufficiently secured, it becomes difficult to secure a sufficient area of the safety pad 30.

In addition, when the area of the safety pad 30 is not sufficiently secured, objects such as nails or glass that penetrate through the safety shoes penetrate through a portion where the safety pad 30 is not provided, causing injury to an operator's foot. there is a problem.

In addition, when the safety pad 30 is metallic, it is molded into a thin plate shape in consideration of its weight, and thus, the safety pad 30 is warped or twisted, and in particular, sufficient strength to ensure the safety of the worker is achieved. There is a problem that you do not have.

Therefore, when the safety pad 30 according to the present invention is provided in plurality, and the through hole 32b is formed as an attachment force improving means 32 in each safety pad 30, the coupling force between the safety pad 30 and each brush is provided. This is sufficiently secured as described above to prevent the material separation between the components,

At the same time, by broadening the area of the safety pad 30 to perform a protective role for the protection of the foot faithfully it is possible to improve the safety work and work efficiency of the worker.

In addition, even in the strength of the safety pad 30 by arranging the thin plate of the metallic material up and down it is possible to maintain the strength that can ensure the safety of the operator.

In the above description with reference to the accompanying drawings, the present invention has been described with a focus on a specific shape and direction in the safety shoes equipped with an injury prevention safety pad, the present invention is capable of various modifications and changes by those skilled in the art, such variations and modifications It should be construed as being included in the scope of the present invention.

1 is an exploded perspective view showing the safety shoes provided with an injury prevention safety pad according to the present invention;

2 is a perspective view showing a midsole according to the present invention,

3 and 4 are a perspective view and an enlarged view showing the combination of the midsole and the safety pad according to the present invention,

5 and 6 are a perspective view and an enlarged view showing the combination of the outsole and the safety pad according to the invention,

7 is a perspective view and a side view showing another modification of the safety pad according to the present invention.

<Explanation of Signs of Major Parts of Drawings>

P: Air flow path A: Shock absorbing means

C: check valve

10: outsole 20: midsole

22: receiving portion 24: insertion portion

30: safety pad 32: means for improving adhesion

32a: unevenness 32b: through hole

34: front plate 36: rear plate

38: bend portion 38a: reinforcement

40: insole 42: air hole

50: upper member

Claims (3)

Outsole; A midsole coupled to the top of the outsole; And Safety pads provided in the outsole or the midsole, or both; Including but not limited to The safety pad safety shoes with an injury prevention safety pad, characterized in that the outsole or the midsole, or the adhesion force improving means for increasing the bonding force with all of them. The method of claim 1, The attachment force improving means is a safety shoe with an injury prevention safety pad, characterized in that it comprises a plurality of irregularities formed on the upper or lower surface, or both. The method of claim 1, The safety pad is provided in plurality, The adhesive force improving means is a through hole formed in each safety pad, Safety holes with an injury prevention safety pad, characterized in that the through-holes formed in one safety pad and the other safety pads adjacent to each other are arranged in different positions.

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