KR20160048613A

KR20160048613A - Safety shoes midsole and a method of manufacturing

Info

Publication number: KR20160048613A
Application number: KR1020140145630A
Authority: KR
Inventors: 한성수
Original assignee: 한성수
Priority date: 2014-10-26
Filing date: 2014-10-26
Publication date: 2016-05-04

Abstract

The present invention relates to a method for manufacturing a safety intermediate shaft, which comprises a first preparation for preparing a material formed of polyester, which is a main material for a midsole containing an electric conductor, A step (S20) of forming a through hole by perforating a portion where the heel is seated after stacking the upper plate on the upper portion of the lower plate; A second preparing step (S30) of preparing an inner foot plate by cutting the inner grooves to correspond to the shape of the upper and the lower plates and pressing the inner plates to form an inner foot plate; (S40) of placing the inner groove of the footrest plate so as to protrude downward through a through hole formed in the lower plate; (S50) filling an inner groove and an upper portion of the inner groove with a gel of polyurethane (PU) material having excellent shock absorbing property to form an absorbing panel at a position where the heel is seated; and a filling step (S60) to press-mold the formed body through the first pressing step (S50) and to make the safety floor for a safety-formed shape having a curved shape so that the foot floor can be stably contacted.
The absorbing panel is placed on the seat where the heel is rested, and the elastic panel is placed on the area where the forefoot is seated, so that the shock can be easily absorbed while walking. As a result, it is possible to minimize the fatigue of the foot even if the safety shoes are worn for a long time.
Further, the cushion feeling of the absorbing panel on which the heel is seated has an effect that the wearer can protect the knee joint stably even when standing for a long time.
In addition, since the carbon fiber as the conductor is contained in the saucer for safety purpose, even if the wearer is exposed to electricity, it is possible to guide the electricity to the ground through the safety, and to prevent the safety accident caused by electricity.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety shoes,

More particularly, the present invention relates to a saccade for safety and a method of manufacturing the saccade, and more particularly to a saccade for safing, The present invention relates to a safety boot for minimizing fatigue of a foot even if the boot is worn for a long time, and a manufacturing method thereof.

In general, safety is an essential safety equipment that is used as a means to protect workers' feet in industrial sites and construction sites. It is designed to prevent sharp nails and sharp metal blades from penetrating into safety shoes. It is used with a built-in footrest, and a metal core is used on the upper where the toe is located.

Therefore, the conventional safety shoes have a higher weight than the other shoes, so that fatigue of the feet is easily accumulated when they are worn for a long period of time.

Moreover, workers working at industrial sites and construction sites are accompanied by a lot of activity. The midsole having the footrest of the metal plate is too hard to be cushioned, resulting in a very poor fit.

On the other hand, a normal person touches the ground from the heel of the foot when the foot touches the ground, then reaches the arch portion of the foot, and then the center of gravity moves to the front of the foot, , And the walking is continuously performed by the force that the forefle of the foot flexibly pushes.

In other words, in order to provide ease of walking on the foot, a rear portion where a foot of the foot is seated is generally required to have a material having excellent cushioning feeling that is easy to absorb shock, and a central portion, It is desirable that a somewhat rigid material is required in order to stably maintain the foot and a superior elastic material is required in order to elastically push the front part where the forefoot portion of the foot is seated.

Therefore, there is an urgent need for the development of a safety mast that meets the above-mentioned requirements and can solve the above problems.

The present invention has been proposed in order to solve the above problems, and it is an object of the present invention to provide an absorbent panel which can absorb an impact when walking by placing an absorbent panel in a region where a heel is seated, It is possible to secure a comfortable feeling of safety by guiding the panel to be moved forward in a resilient manner by walking, thereby providing a safe use midsole capable of minimizing the fatigue of the foot even if the safety is applied for a long time, and a manufacturing method thereof .

Further, it is an object of the present invention to provide a saucer capable of safely protecting the knee joint even when the wearer stands up for a long time due to the cushion feeling of the absorbing panel on which the heel is seated, and a method of manufacturing the same.

In addition, since the carbon fiber as the conductor is contained in the saucer for safety purpose, even if the wearer is exposed to electricity, it is possible to induce the electricity to the ground through the safety, and to prevent the safety accident caused by electricity. And a manufacturing method thereof.

According to an aspect of the present invention, there is provided a method for manufacturing a safety midsole, the method comprising: cutting a material formed of polyester, which is a main raw material for a midsole containing an electric conductor, (S20) of forming a through hole by drilling a portion where the heel is seated after the upper plate is stacked on the upper portion of the lower plate; A second preparing step (S30) of preparing an inner foot plate by cutting a portion corresponding to the shape of the upper plate and the lower plate after the inner groove is formed by pressing a portion where the heel is located on the upper portion; And an inner sidewall of the inner sidewalk plate is positioned so as to protrude downward through a through hole formed in the lower plate, Filling a gel of a polyurethane (PU) material having an excellent shock absorbing property around an inner groove of the molded body and an upper portion of the inner groove to form an absorbing panel at a position where the heel is seated; And a first pressing step (S60) of pressing the formed body through the filling step (S50) and making the foot floor as a safety saucer having a curved shape so as to be stably contacted with the foot floor (S60) .

Further, carbon fibers having excellent conductivity may be used as the conductor contained in the first preparation step (S10).

And a second pressing step (S70) of pressing an upper surface portion of the molded article on which the forefoot is seated to form an installation groove,

In the filling step (S50), the elastic groove of the molded article is filled with a gel of a material having a good elasticity, so that an elastic panel is formed at a position where the forefoot is seated.

In addition, the elastic panel is formed of a gel of a thermoplastic elastomer (TPE) material having excellent elasticity.

In addition, a plurality of deformation grooves are formed in the upper part of the absorbing panel and the elastic panel formed on the molded body in the filling step (S50).

According to another aspect of the present invention, there is provided a safety boot for a vehicle, comprising:

As described above, according to the safety brace according to the present invention and the method of manufacturing the same, the absorbing panel is positioned at the place where the heel is seated, so that the shock can be easily absorbed while walking, So that it is possible to secure an excellent fit feeling of safety by inducing the user to move forward in a resilient manner when walking. Therefore, it is possible to minimize the fatigue of the foot even if the safety shoes are worn for a long time.

Further, the cushion feeling of the absorbing panel on which the heel is seated has an effect that the wearer can protect the knee joint stably even when standing for a long time.

In addition, since the carbon fiber as the conductor is contained in the saucer for safety purpose, even if the wearer is exposed to electricity, it is possible to guide the electricity to the ground through the safety, and to prevent the safety accident caused by electricity.

1 is a block diagram of a method for manufacturing a safety boot according to an embodiment of the present invention;
Fig. 2 is a view for explaining the method for manufacturing the safety boot shown in Fig. 1
FIG. 3 is a view showing the state of use of the safety insole manufactured by the manufacturing method for the safety half shown in FIG. 1

The safety brace according to the preferred embodiment of the present invention and its manufacturing method will be described in detail with reference to the accompanying drawings. Detailed descriptions of well-known functions and constructions that may be unnecessarily obscured by the gist of the present invention will be omitted.

FIG. 1 is a block diagram of a method for manufacturing a safety boot according to an embodiment of the present invention, FIG. 2 is a cross- FIG. 3 is a view illustrating the state of use of the safety insole manufactured by the manufacturing method for the safety half shown in FIG. 1, respectively.

As shown in the drawing, the method for manufacturing safety seam 100 according to the embodiment of the present invention includes a first preparing step S10, a perforating step S20, a second preparing step S30, Step S40, filling step S50, and first pressing step S60.

As shown in FIGS. 1 and 2A, in the first preparing step S10, a plate-shaped material molded from polyester, which is a main raw material for a middle containing an electric conductor, is cut corresponding to the foot shape, (10) and a lower plate (20).

In this case, the saucer 200 of the present invention, which is made of the upper plate 10 and the lower plate 20 containing a conductor, induces electricity to the ground due to excellent conductivity when the safety wearer is exposed to electricity The safety of the wearer is ensured by minimizing the damage to the electric accident.

In the method for manufacturing a safety intermediate of the present invention (100), carbon fibers having excellent conductivity as a conductor are used, but the present invention is not limited thereto.

As shown in FIGS. 1 and 2B, the perforating step S20 includes placing the upper plate 10 on the upper portion of the lower plate 20, placing a conventional perforator (not shown) So that the through hole 30 is formed.

2F, a polyurethane (PU) gel is introduced into the through hole 30 formed in the upper plate 10 in the filling step S50 to be formed later, and as shown in FIG. 2D The through hole 30 formed in the lower plate 20 allows the inner groove 41 of the inner foot pedal 40 formed in the second preparation step S30 to be inserted through to be downwardly positioned.

1 and 2C, the second preparing step S30 is a step of forming the inner groove 41 by pressing the portion where the heel is located on the metal plate material 1, And the bottom plate 20 so as to be prepared as the inner footstep 40. In this step,

The reason why the inner groove 41 is formed in the inner foot plate 40 is that the thickness of the absorbing panel 50 formed through the gel filling the inner groove 41 in the filling step S50 is secured So as to have sufficient shock absorbing property (cushioning feeling).

Therefore, if the depth of the inner groove 41 formed in the inner foot pedestal 40 is too deep, the thickness of the absorbing panel 50 can be increased. However, if the overall thickness of the safety mantle 200 of the present invention is And the depth of the inner groove 41 is too low, the thickness of the safety window 200 can be reduced. However, since the thickness of the absorption panel 50 is low, It is preferable that the depth of the inner groove 41 is in the range of 3 to 10 mm.

As shown in FIGS. 1 and 2D, in the assembling step S40, the foothold 40 is positioned between the upper plate 10 and the lower plate 20, and the foams are adhered to each other to form a formed body A And the inner groove 41 of the footrest 40 is positioned to protrude downwardly through the through hole 30 formed in the lower plate 20.

2d, the adhesive 2 is applied to the upper surface of the lower plate 10 and the lower surface of the upper plate 10 so that the upper plate 10 and the lower plate 20 are pressed against the upper surface of the inner foot plate 40 And is firmly adhered and fixed to the upper and lower portions to easily produce the molded article (A).

1 and 2f, the filling step S50 is a step of filling polyurethane (PU) having excellent shock absorbing property around the inner groove 41 of the molded body A and the upper portion of the inner groove 41 thereof, And filling the gel of the material to form the absorbing panel 50 at the site where the heel is seated.

That is, a liquid gel is injected into the mold 3 after the molded body A is placed in the mold 3 having the grooves formed in the shape of the molded body A to form the inner grooves 41 of the molded body A, And the gel is filled around the inner groove 41, and the gel thus filled is cured to form the absorbing panel 50.

Here, it is preferable that the gel is obtained by mixing 5 wt% of a promoter (silicone or fluorine surfactant) with 95 wt% of polyurethane to ensure excellent shock absorption and moldability of the absorption panel 50.

3A, the absorbing panel 50 formed on the molded body A seats the heel in a process of walking. At this time, the absorbing panel 50 is absorbed by the heel The weight (weight) of the wearer to be delivered can be absorbed, thereby minimizing the fatigue of the feet that may occur during the walking.

The absorbing panel 50 formed as described above is positioned on the upper surface of the upper plate 10 via the inner groove 41 of the inner foot plate 40 and is supported by the upper plate 10 together with the inner foot plate 40, So that it is possible to stably prevent the external detachment of the absorbing panel 50 even if it is exposed to impact for a long period of time, thereby ensuring durability of the product.

As shown in FIGS. 1 and 2G, the first pressing step S60 is a step of pressing the formed body A through the filling step S50 to form a curved shape (200) of the present invention as an end product.

2 and 3, a second pressing step S70 is performed to press the portion of the molded article A through the assembling step S40 to which the top surface of the forefoot is seated, ; &Lt; / RTI >

As shown in FIG. 2F, in the filling step S50, a gel of a material having a good elasticity is filled into the orbit groove 60 of the formed article A, and the upper part of the formed article A on which the forefoot is seated So that the elastic panel 70 is formed.

In general, when a person touches the ground when walking, he touches the ground from the heel of the foot, then touches the arch, which is the center of the foot, and then the center of gravity moves to the front of the foot, At this time, the walking is continuously performed by the force that the forefle of the foot flexibly pushes.

3A, the foot heel of the pedestrian is seated on the absorbing panel 50 so that the impact due to the body weight is absorbed and absorbed, and then the forefoot is absorbed by the elastic panel 50, as shown in FIG. 3B. The elastic panel 70 can be conveniently advanced due to the resilient pushing force of the elastic panel 70 while it is seated on the elastic panel 70, so that the convenience of walking can be ensured.

Here, the elastic panel 70 is formed of a gel of a thermoplastic elastomer (TPE) material having excellent elasticity,

(Thermoplastic polyamide, TPAE), polyester (thermoplastic polyester elastomer, TPEE), thermoplastic polyolefin (TPO), thermoplastic olefinic elastomer (TPO) Or a combination of two or more of them may be used.

2F, a plurality of deformation grooves 80 may be formed on the upper portion of the absorbing panel 50 and the elastic panel 70 formed on the molded body A in the filling step S50 ,

As shown in FIG. 3, it is preferable to induce the absorbing panel 50 and the elastic panel 70 to be easily deformed to an external impact (pressurization) so that the impact can be effectively absorbed.

The method 100 for fabricating a safety midsole according to the present invention as described above allows the absorbing panel 50 to be placed on a place where the heel is seated to easily absorb an impact when walking, The elastic panel 70 is positioned on the side of the elastic panel 70 so that the elastic panel 70 can be elastically moved forward to secure an excellent wearing comfort. Thus, the wearer's foot fatigue can be minimized even when the safety panel is worn for a long time.

Further, the cushion feeling of the absorbing panel 50 on which the heel is seated has the effect of protecting the knee joint stably even when the wearer stands up for a long time.

In addition, since the carbon fiber as a conductor is contained in the safety fire minder 200 of the present invention, the wearer can guide the electricity to the ground through the safety of the vehicle even when exposed to electricity, thereby stably preventing the safety accident caused by the electricity It is possible to enhance the safety of safety.

The method for manufacturing the safety midsole 100 according to the embodiment of the present invention having the above-described construction, the safety safety middlesole 200 is manufactured by the following process.

First, as shown in FIG. 2A, a polyester material as a main raw material for a midsole containing a conductor is pressed through a conventional molding machine (not shown) to form a plate-like material. The material is cut to correspond to a foot shape Prepare top and bottom plates. (S10)

Then, as shown in FIG. 2B, the upper plate 10 is stacked on top of the lower plate 20, and the through hole 30 is formed by simply piercing the place where the heel is seated through a conventional perforator do. (S20)

2C, a portion where the heel is located on the upper portion of the metal plate material 1 is pressed to form the inner groove 41, and then the shape corresponding to the shape of the upper plate 10 and the lower plate 20 And the answer plate 40 is prepared. (S30)

At this time, the depth of the inner groove 41 formed in the footrest 40 is 7 mm.

2d, an adhesive 2 is applied to the upper surface of the lower plate 10 and the lower surface of the upper plate 10, and then the adhesive sheet 2 is applied between the upper plate 10 and the lower plate 20, (40) are positioned and bonded to each other to form a molded article (A). (S40)

At this time, the inner groove 41 of the footrest 40 passes through the through hole 30 formed in the lower plate 20 and is positioned so as to protrude downward.

Thereafter, as shown in FIG. 2E, the upper surface of the molded body A is pressurized at a site where the forefoot is seated to form the seat groove 60. (S70)

Thereafter, as shown in FIG. 2F, a liquid polyurethane (PU) gel is injected into the mold 3 after the molded body A is placed into the mold 3 having the groove A formed therein And the gel is filled around the inner grooves 41 and the inner grooves 41 of the molded body A to form the absorbing panel 50. At the same time, a liquid thermoplastic elastomer (TPE) material Gel is injected into the cavity 60 of the molded body A to fill the gel to form the elastic panel 70. [ (S50)

Then, as shown in FIG. 2G, the molded body A is press-formed, and the foot bottom is made into a finished product of the present invention having a curved shape so as to be stably contacted, do. (S60)

3A, the safety panel 200 according to the present invention, which is fabricated by the above-described process, can easily absorb the impact when the user absorbs his / her walking by placing the absorbing panel 50 at a place where the heel is seated , The elastic panel 70 may be positioned at a position where the forefoot is seated as shown in FIG. 3B, so that the elastic panel 70 can be flexibly advanced when walking, thereby providing a convenient walking and activity.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the invention as defined by the appended claims. You will understand the point. It goes without saying that variations can be made by those skilled in the art without departing from the spirit of the present invention. Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

1. Metal plate material 2. Adhesive
3. Mold
10. Top plate 20. Lower plate
30. Through hole 40. Answer plate
41. Inner groove 50. Absorption panel
60. Anchor groove 70. Elastic panel
80. Deformation groove A. Molded body
S10. First preparation step S20. Perforation phase
S30. Second preparation step S40. Staging stage
S50. Filling step S60. The first pressing step
S70. The second pressurization step
100. Manufacturing method
200. Safety boots

Claims

A method for manufacturing a safety net,
A first preparation step (SlO) of preparing a top plate (10) and a bottom plate (20) by cutting a material formed of polyester, which is a main raw material for a midsole containing an electric conductor, to correspond to a foot shape;
A step (S20) of forming a through hole (30) by piercing a portion where the heel is seated after stacking the upper plate (10) on the upper plate (20);
After the inner groove 41 is formed by pressing the portion where the heel is located on the upper portion of the metal sheet material 1, the inner groove 41 is cut corresponding to the shape of the upper plate 10 and the lower plate 20, A second preparation step (S30);
The inner plate 40 is positioned between the upper plate 10 and the lower plate 20 and is adhered to each other to form a formed body A. The inner groove 41 of the inner plate 40 supports the lower plate 20 (S40) of passing through the through hole (30) formed in the lower portion (30) and protruding downward;
A polyurethane (PU) gel having excellent shock absorbing properties is filled around the inner groove 41 of the molded body A and the inner groove 41 thereof, and the absorbing panel 50 is fixed to a region where the heel is seated. (S50); And
And a first pressing step (S60) of press-molding the formed article (A) through the filling step (S50) and making the safety floor (200) having a curved shape so as to be stably contacted with the floor of the foot Wherein the safety valve is closed.

The method according to claim 1,
Wherein the carbon fiber having excellent conductivity is used as the conductor contained in the first preparation step (S10).

The method according to claim 1,
And a second pressing step (S70) of pressing an upper surface portion of the formed article (A) on which the forefoot is seated to form an antechamber groove (60)
The elastic grooves 60 of the molded article A are filled with a gel of a material having a good elasticity in the filling step S50 so that the elastic panel 70 is formed at a position where the forefoot is seated. Manufacturing method of midsole.

The method of claim 3,
Wherein the elastic panel (70) is formed of a gel of a thermoplastic elastomer (TPE) material having excellent elasticity.

The method of claim 3,
Wherein a plurality of deformation grooves (80) are formed in the upper part of the absorbing panel (50) and the elastic panel (70) formed in the molded body (A) in the filling step (S50) .

A safety fire safety safety net (200), characterized in that it is manufactured by the manufacturing method of any one of claims 1 to 5.