JP2015202363A - Shoe sole and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shoe sole that improves the fluidity and flexibility of a bottom (sole), and mitigates impact due to sharp fluctuation of the shoe sole when taking a walk on the ground of an irregular uneven form.SOLUTION: A shoe sole includes: an insole 10 disposed in the lower part of a carapace 12 of the wearing shoes; one or more protrusions 20 protruded downward at a lower surface 11 of the insole; a shoe sole 30 having an opposite surface 31 attached to the lower surface 11 of the insole, and formed of one or more holes 32 penetrated with the protrusions in the inside thereof; and one or more shoe sole pieces 40 attached to a bottom face of each protrusion. The shoe sole is characterized as follows: the height of the protrusions 20 is formed higher than the height of the holes 32, and the protrusions 20 are protruded downward in the bottom face of the shoe sole 30 at the time when the insole 10 is attached to the shoe sole 30; the insole is made of a soft material, and the shoe sole and the shoe sole pieces are formed of a hard material; and the shoe sole pieces are attached to the insole of the soft material, and are moved without being connected with the shoe sole.

Description

  The present invention relates to a shoe sole and a manufacturing method thereof. More specifically, the sole is provided with a cushioning function and is supported on the insole without integrating a part of the anti-slip protrusion disposed on the bottom of the shoe with the bottom of the shoe. The present invention relates to a shoe sole with improved mobility and flexibility and a method for manufacturing the same.

  In general, shoes such as shoes, sports shoes, leisure shoes, mountaineering shoes, safety shoes, etc. are indispensable for modern cultural life, and various types of shoes are manufactured depending on the purpose of use. The shoe structure is composed of a bottom that is configured at the lower part of the shoe and supports the sole, and an upper for covering and protecting the foot at the upper part of the sole.

  Among them, the sole can be separated by a shoe sole that is in direct contact with the ground and a midsole that is attached to the opposite side of the shoe and supports the sole. The sole of the shoe is made of a hard material to prevent it from being easily worn by friction with the ground, and the insole is made of a soft material to absorb the impact and improve the wearing feeling. In addition, some types of shoes add a function to prevent slipping by installing a protrusion on the bottom surface of the shoe bottom.

  However, a general shoe has a disadvantage in that mobility and flexibility are lowered because the bottom of the shoe is integrated with a hard material.

  In other words, when walking on rough and uneven ground such as unpaved roads and mountain roads, only a part of the bottom of the bottom of the shoe touches the protruding part of the ground, and the bottom tilts or twists. Since the bottom of the shoe constructed at the bottom of the shoe is a hard material, fluctuations occur, such as the entire bottom being steeply tilted corresponding to the uneven shape of the ground, and the impact due to such sudden fluctuations remains as it is It is not only easy to get tired of the ankle, but also may cause danger such as scratching the ankle.

  Accordingly, the present invention is intended to provide a shoe sole and a method for manufacturing the same that can improve the mobility and flexibility of the shoe sole in order to improve the problems of the conventional shoe as described above.

  As a result of earnest research to solve the above problems, the present inventor has found that the insole disposed in the instep subcutaneous part of the shoe and one or more protrusions projecting downward on the lower surface of the insole A shoe bottom having a facing surface attached to the lower surface of the insole and having one or a plurality of holes through which the protrusion penetrates; and one or more attached to the bottom surface of each protrusion The present invention has been completed by finding that the sole of the shoe including the bottom of the shoe improves mobility and flexibility.

  As a preferred embodiment, the insole is made of a soft material, and the shoe bottom and the shoe bottom piece are made of a hard material so as to have both cushioning and wear resistance.

  In addition, when the protrusion is worn or damaged on the bottom of the shoe by installing it on the heel portion of the insole or the ball-to-ball portion of the insole where contact with the ground is most frequent, Can be replaced.

  The shoe may further include one or a plurality of shoe bottom protrusions protruding downward at the bottom of the shoe bottom.

  In addition, the height of the protrusion is formed to be greater than the height of the hole in order to improve mobility and flexibility, and when the insole and the bottom of the shoe are attached, the protrusion faces downward on the bottom of the shoe bottom. It can be made to protrude.

  In addition, when there are a plurality of cutouts of the protrusions and shoes, different symbols are displayed on the bottom surfaces of the protrusions so that the positions of attachment of the protrusions can be identified on the opposite faces of the bottoms of the shoes. Different symbols can be displayed.

  In order to achieve the above object, a method of manufacturing a shoe according to the present invention includes a step of penetrating a protrusion, which protrudes downward on the bottom surface of the insole, through a hole formed inside the bottom of the shoe, The method includes the steps of attaching the opposite faces of the shoe bottom to each other and attaching the shoe bottom to the bottom surface of the protrusion passing through the hole.

  According to the present invention, a part of the protrusions arranged on the bottom surface of the shoe is not integrated with the bottom of the hard shoe, and can be moved without being linked to the bottom of the shoe by being attached to the insole of the soft material. The flexibility and flexibility of the shoe sole can be improved.

  This allows the bottom to move more flexibly when walking on rough ground, so you can mitigate the impact of sudden changes in the bottom and protect your ankles as well as the risk of scratching your ankles. Therefore, it is possible to reduce the feeling of fatigue during extreme exercise, trekking or mountain climbing, and to ensure safety.

1 is an exploded perspective view of a shoe bottom according to an embodiment of the present invention. It is the perspective view which showed the assembly process of the sole of the shoes by the Example of this invention. FIG. 3 is a perspective view illustrating a state in which assembly of a shoe sole according to an embodiment of the present invention is completed. FIG. 2 is a cross-sectional view of a state in which a shoe bottom is disassembled to help understanding of the present invention. 1 is a cross-sectional view of a shoe sole assembled to help understanding of the present invention.

  While the present invention can be modified in various ways and can have various embodiments, the present invention will be described in detail with reference to the following exemplary structures of the present invention. However, this is not intended to limit the present invention only to the exemplified forms, but the spirit and scope of the present invention includes the usual modifications and equivalents or alternatives of the illustrated forms.

  FIG. 1 is an exploded perspective view of a shoe sole according to an embodiment of the present invention, FIG. 2 is a perspective view illustrating a process of assembling a shoe sole according to an embodiment of the present invention, and FIG. It is a perspective view of the state by which the assembly of the shoe sole by the Example of was completed.

  As shown in FIG. 1, the shoe sole of the present invention is roughly classified into an insole (10), a protrusion (20), a shoe sole (30), and a shoe sole cut (40).

  The insole (10) is normally disposed at the lower part of the upper (12) of the shoe, and is made of a soft material such as a foamed synthetic resin compared to the shoe bottom (30). It has a function to absorb impact, flexibility and mobility.

  The protrusion 20 protrudes downward from the lower surface 11 of the insole 10 so that one or more of the protrusions can protrude. Preferably, when the insole 10 is molded. At the same time, the protrusion (20) can be formed integrally with the insole (10) so as to be molded.

  The bottom (30) of the shoe has a facing surface (31) attached corresponding to the lower surface (11) of the midsole (10), and is molded into a synthetic resin material that is harder than the midsole (10). In consideration of the fact that the shoe bottom (30) is substantially in direct contact with the ground, the shoe bottom (30) is made of a material that has high wear resistance and prevents slipping.

  A hole (32) is formed on the inner side of the shoe sole (30) at a position corresponding to the protrusion (20) formed on the insole (10), and as shown in FIG. When (10) and the shoe sole (30) are joined together, the protrusion (20) penetrates the hole (32).

  The shoe bottom piece (40) can be provided with one or more by attaching to the bottom surface of the protrusion (20), and can touch the ground directly like the shoe bottom (30). In consideration of the above, it is made of a material that is strong in wear resistance and can prevent slipping, and if necessary, a lattice mesh or fine irregularities can be formed on the bottom of the shoe bottom piece (40).

  The process of assembling the insole (10), the shoe bottom (30) and the shoe bottom cut (40) provided with the protrusion (20) is as follows.

  First, with the insole (10), the shoe bottom (30) and the shoe bottom cut (40) prepared as shown in FIG. 1, the insole (10) and the lower surface (11) as shown in FIG. A step of penetrating the downwardly protruding protrusion (20) through a hole (32) formed inside the shoe bottom (30) is performed. At this time, when the external shape of the protrusion (20) and the opening shape of the hole (32) are made to correspond to each other (same), the protrusion (20) is moved to the hole (32) as if the pieces of the puzzle are matched. It is assembled in a custom-made manner.

  Thereafter, the bottom surface (11) of the insole (10) and the facing surface (31) of the shoe bottom (30) are brought into contact with each other and attached. The attachment method of the lower surface (11) and the opposite surface (31) is to apply a normal method that allows the insole and the shoe bottom to adhere to each other, such as an adhesive or a method of fusing by applying heat. There are no restrictions on the attachment method.

  Next, as shown in FIG. 3, a step of attaching a shoe bottom piece (40) to the bottom surface of the protrusion (20) exposed through the hole through the hole is performed. When the outer shape of the bottom of the shoe (40) is made to correspond to (same as) the outer shape of the protrusion (20), the bottom of the protrusion (20) is not exposed to the outside. The cut (40) is fixed to the protrusion (20) in a custom-made manner, thereby improving the adhesion and supporting force.

  Here, when the outer shapes of the plurality of protrusions (20) are not identical to each other, there is a possibility that they may be confused when the shoe bottoms (40) are attached to the corresponding protrusions (20). Protrusions having different external shapes and shoe bottom cuts may be attached to cause defects, and there is a risk of reducing productivity by taking work time and labor.

  Accordingly, for example, “R” to “R9” or the like is written on the bottom surface of each protrusion (20) in such a manner that the symbol “R” for right footwear and the unique number of each protrusion (20) are written. (21) is displayed, and the identification mark (21) displayed on each of the protrusions (20) on the opposite face of the shoe bottom (40) is equal to or easily matched with the identification mark (21). The symbol (41) can be displayed.

  Thus, even if the bottom surface and the bottom of shoe bottom (40) are scattered, the identification symbol (41) of the shoe bottom bottom (40) selected arbitrarily is seen and the corresponding identification symbol (21) is displayed (see FIG. 20) can be searched and arranged, so the work is convenient.

  When a plurality of the protrusions 20 are installed, the insole portion of the insole that is most frequently in contact with the ground during walking as shown in the example shown in the figure, or the ball-to-balloon ball of the insole of feet).

  In other words, when walking on the foot that was previously released on the ground, the sole of the foot touches the ground from the thumb ball to the little finger ball in sequence, after the heel touches the ground first. When touching and releasing a foot, after falling from the heel part, the mother ball to the little ball part strongly and sequentially pushes the ground.

  In consideration of such a walking form, the heel part and the thumb ball to the little finger ball part have the largest contact force on the ground in the sole, so the protrusion (20) is referred to as the heel protrusion (20a) part. It can be divided into the ball part of the thumb ball to the little ball protrusion (20b), so that the bottom of the shoe (40) is divided into the bottom of the heel (40a) and the bottom of the thumb ball to the bottom of the little finger (40b). Can be arranged.

  Of course, the present invention is not limited in the installation position and the number of the protrusions (20), but can be uniformly installed in the entire area of the lower surface (11) of the insole (10). It is also possible to select and install only the sphere to little finger ball portion.

  According to the present invention, since the bottom of the shoe (40) is attached to the protrusion (20), if the bottom of the shoe (40) is damaged or worn, the shoe is subjected to after-sales service. The bottom piece (40) can be replaced with a new one.

  Further, when the shoe bottom cut (40) is locally installed on the bottom surface (33) of the shoe bottom (30), the bottom surface (33) of the shoe bottom (30) where the shoe bottom cut (40) is not disposed. ) Further projecting one or more shoe sole protrusions (34) downwardly projecting from the bottom surface (33) of the lower shoe sole (30). The shoe bottom protrusion (34) and the shoe bottom cut (40) are uniformly arranged.

  FIG. 4 is a cross-sectional view schematically illustrating a state in which the shoe sole is disassembled for understanding the present invention, and FIG. 5 is a diagram illustrating a state in which the shoe sole is assembled for understanding the present invention. As a cross-sectional view, each element is shown in a straight line, unlike an actual figure.

  As shown in FIG. 4, the protrusion (20) of the insole (10) as shown in FIG. 5 with the insole (10), the shoe bottom (30), and the shoe bottom cuts (40a, 40b) separated from each other. Can be attached to the bottom surface of the protrusion (20), and such a process can be applied to the bottom of the shoe described above. Follow the manufacturing method.

  In this case, as shown in FIG. 5, since the bottom cuts (40a) and (40b) of the shoe are attached to and supported by the soft protrusions (20), the cuts (40a) and (40b) are made of hard shoes. It becomes a state separated from the bottom (30) and individually has a buffer function. That is, for example, when the bottom of the heel (40a) is brought into contact with the protruding portion of the ground, the bottom of the heel (40a) itself can independently reduce the impact without linking with the bottom of the shoe (30). On the other hand, even when the bottom of the thumb ball to the little finger ball (40b) is in contact with the protruding portion of the ground, the bottom of the thumb ball to the little finger ball (40b) itself is not linked to the shoe bottom (30). Independently reduces impact, resulting in improved shoe sole flexibility and mobility.

  On the other hand, when the height of the protrusion (20) is lower than the height of the hole (32), the side surface of the shoe bottom cut (40) is brought into contact with the inner wall surface of the hole (32), so Between the shoe and the bottom of the shoe), and the movement of the shoe bottom (40) is limited.

  Accordingly, as shown in the drawing, in order to further improve the mobility and flexibility of the shoe sole, the height of the protrusion (20) is formed to be larger than the height of the hole (32) so that the insole (10) and the shoe sole are formed. When the protrusions (20) are protruded downward at the bottom surface (33) of the shoe bottom (30) when the (30) are attached to each other, the shoe bottom break (40) 30) completely separated and mobility is not limited.

  Although the above description has illustrated and described one embodiment of the present invention, the present invention is not limited to the above-described specific embodiment, and some patents such as changing or mixing some of the components of the embodiments are described. Various modifications can be made by a person having ordinary knowledge in the technical field to which the invention belongs without departing from the scope of the invention claimed in the claims, and such modifications can be made individually from the technical idea and the perspective of the invention. Should not be understood.

10 ... ... Insole 11 ... ... Lower surface 12 ... ... Crust 20 ... ... Protrusion 20a ... ... Saddle projection 20b ... ... Mother ball-Little finger projection 21 ... ... Symbol 30 ... ... Bottom of shoe 31 ... ... Face 32 ... ... Hall 33 ... ... Bottom 34 ... ... Shoe bottom projection 40 ... ... Shoe bottom cut 40a ... ... Sole bottom cut 40b ... ... Mother ball to little finger ball bottom cut 41 ... ... Symbol

Claims (5)

  An insole (10) disposed at the lower part of the upper (12) of the shoe, one or more protrusions (20) projecting downward from the lower surface (11) of the insole, and the lower surface of the insole ( 11) A shoe bottom (30) having a facing surface (31) attached to 11) and having one or a plurality of holes (32) through which the protrusion penetrates, and attached to the bottom surface of each protrusion. One or a plurality of shoe bottom cuts (40) are provided, and the height of the protrusion (20) is greater than the height of the hole (32) to attach the insole (10) and the shoe bottom (30). The protrusion (20) protrudes downward at the bottom of the shoe bottom (30), the insole is a soft material, and the shoe bottom and the shoe bottom are made of a hard material. A shoe sole characterized in that the bottom of the shoe is attached to the midsole of a soft material and is movable without being linked to the shoe bottom.   The shoe sole according to claim 1, wherein the protrusion is formed on a heel portion of an insole so as to support a heel of a sole.   The shoe sole according to claim 1, wherein the protrusion is formed on a portion of a mother ball of the insole to the little finger ball so as to support a finger ball to a little ball of the sole.   The shoe sole according to claim 1, further comprising one or more shoe sole protrusions (34) projecting downward at a bottom surface (33) of the shoe sole. When there are a plurality of bottoms of the protrusions and shoes, different symbols (21) are displayed on the bottom surfaces of the protrusions so that the positions of the protrusions can be identified on the opposite side of the bottoms of the shoes. The shoe sole according to claim 1, wherein different symbols (41) are displayed.

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