JP2018118024A - Shoe and method of manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it easy to walk by fitting to a heel portion of a foot when worn, not to be an obstacle when putting on and taking off, and to prevent shoes from rubbing. SOLUTION: A cushion pad material 4 is attached to the inside of a heel portion 3 of an instep portion 2. The cushion pad material 4 is provided along the left and right inner side walls from the center of the heel portion 3, and the height gradually decreases toward the front, and the lower edge portion together with the lower edge portion of the cushion pad material 4 is an upper shoe. It is joined so as to be sandwiched between the sole 7 and the sole 8. In the cushion pad material 4, the cushion material 4A and the cover material 4B are integrally formed, and a plurality of cushion convex portions 4b1 to 4b6 extending in the lateral direction are provided. The cushion pad material 4 has projecting pieces 4c at both ends of the lower edge portion. [Selection diagram] Fig. 1

Description

  The present invention relates to shoes such as men's shoes and women's shoes, and a method for manufacturing the same.

  For leather shoes, in order to prevent the shoes from losing their shape and maintain the shape of the shoes, it is common to put hard counters (moon-shaped cores) that do not easily lose their shape in the heel part and both sides (periphery). .

  By inserting a counter, the shape of the heel part and its surroundings can be prevented. However, since the counter is hard, the heel part and its surroundings are less familiar with the foot than other parts. There were problems such as poor fit in the surroundings and easy removal of shoes during walking.

  In view of this, it has been proposed that a cushion material is provided as a protruding portion on the side of the buttock inside the upper skin (for example, Patent Document 1).

JP 2011-41590 A

  Since the protrusion part (cushion material) is provided in the site | part by the side of the buttocks which is hard to spread laterally in the thing of patent document 1, when putting on and taking off shoes, a protrusion part (cushion material) becomes an obstacle. It is difficult to wear and take off. In addition, the heel portion of the foot is pressed from the side, and the vertical movement of the heel portion is hindered, making it difficult to walk or rubbing the heel portion. If you wear a larger size, the vertical movement of the heel part will be smooth, but the force to hold the foot will weaken and the foot will not fit and it will be difficult to walk, and the heel part will move up and down too much when walking As a result, the shoe is easily rubbed against the protrusion (cushion material).

  SUMMARY OF THE INVENTION An object of the present invention is to provide a shoe that fits the heel portion of the foot when worn, is easy to walk, does not get in the way when worn or taken off, and does not easily rub on the shoe, and a method for manufacturing the shoe.

  A shoe according to one aspect of the present invention is a shoe in which a crust is provided on the upper side of a shoe sole, and a cushion pad material is attached to an inner side of a heel portion of the crust, and the cushion pad material Is provided so as to extend forward from the center of the heel portion on both the left and right inner sides, and the upper edge portion of the cushion pad material is located near the upper end of the heel portion at the center of the heel portion, The height is so low that it becomes.

  In this way, the upper edge of the cushion pad material is located near the upper end of the buttocks at the center of the buttocks, and the height becomes lower toward the front, so it fits in the leg of the foot when worn Thus, there is no sense of incongruity, it is easy to walk, it does not get in the way when wearing and taking off, and it becomes difficult to rub the shoes.

  Further, in this shoe, the shoe sole has an upper shoe sole and a lower shoe sole, the cushion pad material is together with the lower edge portion of the upper part, and the lower edge portion is the upper shoe sole and the lower shoe sole. It is desirable that it is provided so as to extend between the two.

  In this way, the lower edge portion of the cushion pad material is provided so as to be sandwiched between the upper shoe sole and the lower shoe sole, so that it can be firmly attached.

  Moreover, as for this shoe, it is desirable for the said cushion pad material to have a protrusion part in a lower edge part both ends.

  If it does in this way, the lower edge part both ends of a cushion pad material will be firmly attached by a protrusion piece part.

  Further, this shoe has a cushion material having a plurality of cushion convex portions formed by a plurality of grooves in which the cushion pad material extends in the lateral direction, and a cover material integrally provided on the surface side of the cushion material. It is desirable.

  In this way, the cushioning property of the cushioning material allows for a firm fit without wearing an excessive force on the foot when worn.

  Further, the shoe is sewed to the upper part at a portion where the padding is sewn so that the cushion pad material is wrapped around the upper edge and the edge is sewn. It is desirable that

  If it does in this way, the upper edge part of a cushion pad material will be attached firmly along the right-and-left inner side from the center of a collar part.

  A method for manufacturing a shoe according to one aspect of the present invention is the method for manufacturing a shoe according to any one of claims 1 to 5, wherein a cushion pad material is attached to an inner side of a heel portion of the upper part. Then, the shoe part is covered with the upper part to which the cushion pad material is attached to adjust the shape, and then the shoe sole is attached to the upper part.

  In this way, since the cushion pad material is attached in advance to the inside of the upper part, it is possible to attach the cushion pad material together only by attaching the sole to the upper part, thus simplifying the manufacturing process. be able to.

  Further, in this shoe manufacturing method, the shoe sole has an upper shoe sole and a lower shoe sole in order from the upper side, and when the shoe sole is attached to the upper portion, the lower edge portion of the cushion pad material is It is desirable to attach so that it may be pinched | interposed between an upper shoe sole and the said lower shoe sole.

  If it does in this way, the lower edge part of a cushion pad material will be attached more firmly along the right-and-left inner side from the center of a collar part.

  The shoe according to another aspect of the present invention is a shoe in which a crust is provided on the upper side of the shoe sole, and a cushion pad material is attached to the inside of the heel of the crust, wherein the cushion pad material Is provided so as to extend forward from the center of the flange on both the left and right inner sides, and the cushion pad material includes a cushion material and a cover material integrated with the cushion material by heat fusion. And an upper edge portion of the cushion material extends to the front side along the top line with the upper end of the collar portion as a center.

  In this way, like the shoe of one aspect described above, it fits on the heel of the foot when worn, does not feel uncomfortable, is easy to walk, does not get in the way when worn or removed, and rubs on the shoe. It becomes difficult.

  In the case of this shoe, the cushion pad material has an upper edge portion sewn to the upper skin portion by stitches provided along the top line, and left and right front edge portions are bonded to the back skin of the upper skin portion. It is desirable.

  The method for manufacturing a shoe according to another aspect of the present invention is the method for manufacturing a shoe according to any one of claims 8 to 10, wherein the cushion material is integrated with a cover material by heat fusion. Form a cushion pad material, and then attach the cushion pad material to the inside of the heel part of the upper part, and then cover the upper part to which the cushion pad material is attached to a shoe mold to adjust the shape. Then, the shoe sole is attached to the upper part.

  In this shoe manufacturing method, the cushion pad material is attached to the inside of the upper part of the upper part of the upper part with a hot melt material arranged on the attachment side of the cover material and below the cushion material. The cushion pad material is molded using an upper and lower mold, and a liquid material to be the cushion material is poured into the lower mold, and a sheet material to be a cover material is placed on the liquid material, The liquid material is molded into a predetermined shape and solidified by applying the upper mold from the above and heated, and integrated with the sheet material by heat fusion. desirable.

  In the shoe according to the present invention, the upper edge portion of the cushion pad material is located near the upper end of the heel portion at the center of the heel portion, and the height becomes lower toward the front side. It fits comfortably, makes it easy to walk, doesn't get in the way when you put it on and take off, and it makes it harder for your shoes to rub. Moreover, the manufacturing method according to the present invention can simplify the manufacturing process because the cushion pad material can be attached together only by attaching the shoe sole to the upper part.

It is the perspective view which looked at the shoes of Embodiment 1 concerning the present invention from the side. It is the perspective view which looked at the said shoes from the front. The cushion pad material used for the said shoes is shown, (a) is a front view, (b) is the sectional view on the AA line of Fig.3 (a). It is explanatory drawing of the attachment structure of the said cushion pad material. It is explanatory drawing of the manufacturing method of the shoes of Embodiment 1 which concern on this invention. It is the perspective view which looked at the shoes of Embodiment 2 concerning the present invention from the side. It is a front view of the cushion pad material used for the said shoes. It is explanatory drawing of the manufacturing method of the shoes of Embodiment 2 which concerns on this invention. It is explanatory drawing which shows the other example of the cushion material in a cushion pad material. It is explanatory drawing which shows the other example of the cushion material in a cushion pad material. It is explanatory drawing which shows the other example of the cushion material in a cushion pad material. It is explanatory drawing which shows the other example of the cushion material in a cushion pad material. It is explanatory drawing which shows the other example of the cushion material in a cushion pad material.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
1 is a perspective view of a shoe according to Embodiment 1 of the present invention as viewed from the side, and FIG. 2 is a perspective view of the shoe as viewed from the front.

  As shown in FIGS. 1 and 2, a female shoe 1 that is a shoe according to the first embodiment of the present invention is provided with a cushion pad material 4 on the inner side of the heel part 3 of the upper part 2. The cushion pad material 4 has a mountain shape with a curved upper edge, and is provided so as to extend from the center of the collar portion 3 toward the front side on the left and right inner sides.

  As shown in FIGS. 3 (a) and 3 (b), the cushion pad material 4 is sewn with an edge cloth 5 covering the upper edge portion so as to wrap around the upper edge portion (sewing). In the portion where the edge cloth 5 is sewn, it is sewn to the upper part 2 (see the sewn line L2). 6 is an insole. The cushion pad material 4 is sewed on the upper skin part 2 and the upper end (upper edge part) is located near the upper end of the collar part 3 at the center of the collar part 3, and the height becomes lower toward the front side. It has become. The lower edge extends so as to be sandwiched between the upper shoe sole 7 and the lower shoe sole 8 of the shoe sole, and is fixed between them by adhesion.

  The cushion pad material 4 has a cushion material 4A as a back surface material. As an example of the present embodiment, a sponge material is used for the cushion material 4A. The cushion material 4A is formed with a plurality of cushion convex portions 4b1 to 4b6 by forming grooves 4a extending in the lateral direction so as to bend downward on the surface side excluding the peripheral edge portion having a uniform thickness. Yes.

  Further, the cushion material 4A is provided with protruding piece portions 4c extending downward at both ends of the lower edge as part of the peripheral edge. A cover material 4B (for example, a cover cloth) is integrally provided as a surface material on the surface side of such a cushion material 4A to form a cushion pad material 4. In addition, the edge cloth 5 is sewn on the upper edge part of the cushion pad material 4 so as to be wound around the upper edge part prior to sewing to the upper skin part 2 (see FIGS. 1 and 2).

  Therefore, when the women's shoes 1 are worn, the cushion convex portions 4b1 to 4b6 of the cushion pad material 4 protrude, but when the heel portion of the foot hits the cushion convex portions 4b1 to 4b6, the cushion convex portions 4b1 to 4b6 It is pushed by the heel part. Thereby, since cushion convex part 4b1-4b6 compresses and deforms, even if cushion convex part 4b1-4b6 protrudes, women's shoes 1 can be put on smoothly.

  And when the women's shoes 1 are put on, the cushion convex portions 4b1 to 4b6 are in a state of always pressing the heel portion of the foot elastically by the elastic force of the cushion material 4A.

  In addition, since the women's shoes have cushion projections 4b1 to 4b6 (cushion projections 4b1 to 4b6 having cushioning properties) of the cushion pad material 4 protruding from the heel portion 3 of the upper skin part 2, these cushion projections 4b1 to 4b6 are provided. Since elastic contact is made with the heel part of the foot, the vertical movement of the heel part of the foot is restricted during walking, making it difficult to remove. Further, the wrinkles do not become painful due to the presence of the cushion convex portions 4b1 to 4b6.

  That is, in the state in which the women's shoes 1 are worn, the heel portion of the foot is always pressed by the cushion convex portions 4b1 to 4b6 of the cushion pad material 4, and fits with the heel portion of the foot to produce a sense of unity and can walk. it can.

  Further, when the women's shoes 1 are taken off, the cushion convex portions 4b1 to 4b6 are only pushed by the elastic force of the sponge, so that the women's shoes 1 can be removed smoothly regardless of the presence of the cushion convex portions 4b1 to 4b6. Can do.

  In addition, even if the cushion convex parts 4b1-4b6 protrude, the ladies' shoes 1 do not impair the external appearance, since it protrudes symmetrically with good balance.

  Moreover, since the cushion pad material 4 is only provided inside the upper part 2, the outer surface of the upper part 2 of the women's shoe 1 does not swell, and the appearance is the same as that of ordinary women's shoes. Women's shoes can be obtained.

Next, the manufacturing method of the women's shoes 1 is demonstrated.
First, a crust and a back skin are first formed, and a back skin is disposed inside the crust. Then, the upper part of the upper part and the lower part of the upper part of the upper and lower skins are sewn with a sewing machine, and the upper part 2 is manufactured. At this time, a toe part core material (not shown) is provided between the upper part of the toe part of the upper part 2 and the lower part of the upper part 2 of the upper part 2 of the upper part 2. Are provided in a state in which the flange core material (not shown) is sandwiched. Accordingly, the toe portion and the heel portion are not easily deformed.

  The upper edge portion of the cushion pad material 4 is sewed on the upper portion 2 formed in this manner, with the collar portion 3 as the center. Thereby, the cushion pad material 4 is sewn in advance symmetrically on the inner side (back skin) of the upper portion 2, and the cushion pad material 4 is integrated with the upper portion 2.

  Then, as shown in FIG. 4, the upper 2 is put on the well-known shoe mold 11 and the upper 2 is brought into close contact with the shoe mold by a well-known conventional means, and the shape of the upper shell 2 is adjusted. The cushion pad material 4 has a protruding piece 4 c protruding downward from the lower edge of the upper portion 2 while being sewn to the upper portion 2.

  Next, from the lower part of the upper part 2, the lower sole 8 is placed via the upper sole 7 and joined to the upper part 2. At this time, the lower edge portion of the upper skin portion 2 is folded together with the lower edge portion of the cushion pad material 4 so as to extend between the upper shoe sole 7 and the lower shoe sole 8 and joined so as to be sandwiched. Further, the protruding piece 4c protruding from the lower edge of the upper portion 2 is also joined so as to be sandwiched together.

  When the shoe mold 11 is pulled out, the cushion projections 4b1 to 4b6 pressed by the shoe mold 11 are elastically restored and protrude inwardly low.

  If manufactured in this way, the cushion pad material 4 is sewn in advance on the inside of the upper part 2, so that the cushion pad material 4 can be attached together only by attaching the upper part 2. Therefore, the manufacturing process can be simplified.

(Embodiment 2)
FIG. 6 is a perspective view of a shoe according to a second embodiment of the present invention as seen from the side, and FIG. 7 is a front view of a cushion pad material used for the shoe.

  As shown in FIG. 6, a women's shoe 21 which is a shoe according to the second embodiment of the present invention has a cushion pad material 24 on the inner side of the heel part 23 of the upper part 22 provided on the upper side of the sole. It is provided along. The cushion pad material 24 is provided so as to extend forward from the center of the flange 23 on both the left and right inner sides.

  As shown in FIG. 7, the cushion pad material 24 includes a cushion material 24a made of urethane and the like, and a cover material 24b integrated with the cushion material 24a by heat fusion. And this cushion material 24a has the upper edge part centered on the upper end of the collar part 23, is extended to the front side along the top line, and is sewn on the upper part 22 by the stitch provided along the top line. The left and right front edge portions of the cushion pad material 24 are only the cover material 24 b and are bonded to the back skin of the upper portion 22. Moreover, you may make it sew only an upper edge part as a cover material.

  The cushion pad material 24 is molded using upper and lower molds 31 and 32 as shown in FIG.

  A liquid resin material 33 (for example, urethane) that becomes the cushion material 24a is poured into the lower mold 32, a sheet 34 that becomes the cover material 24b is placed on the cushion material 24a, and the upper mold 31 is applied from above. The cushion material 24a is molded into a predetermined shape including irregularities by pressurizing and heating, and the cushion material 24a and the cover material 24b are integrated by heat fusion. Thereby, the cushion pad material 24 is molded.

  As described above, the cushion pad material 24 in which the cushion material 24a and the cover material 24b are integrated by heat fusion is cut into the desired shape by cutting the peripheral portion (the cover material 24b). It is attached to the inside of the collar portion 23 of the skin portion 22. In this case, one or a plurality of hot melt materials (not shown) are further arranged on the attachment side of the cover material 24b and below the cushion material 24a, in addition to the cushion material 24a. The cushion pad material 24 can be attached to the inner side of 23.

  Then, the shoe mold 11 is covered with the upper portion 22 to which the cushion pad material 24 is attached to adjust the shape. At this time, when a hot melt material (not shown) is provided separately from the cushion material 24a, the shape of the upper portion 22 is formed along the shoe mold 11 by deforming the hot melt material by heating. Can be easily performed.

  Thereafter, as is well known, women's shoes 21 are manufactured by attaching shoe soles to the upper 22.

  The cushion pad material 24 described above is a substantially hemispherical cushion material 24a in plan view, but is not limited thereto. For example, as shown in FIG. 9, the cushion portion is formed into a large number of circular convex portions 41a. The cushion pad material 41 provided on the cover material 41b is provided on the cover material 41b, or as shown in FIG. The cushion pad material 42 is provided, or as shown in FIG. 11, the cushion portion is provided on the cover material 43b along the upper edge on the left and right sides so that the upper and lower double-bow-shaped convex portions 43aa and 43ab are formed. The cushion pad material 43 can be used. Also, as shown in FIG. 12, the cushion portion is provided with a plurality of convex portions 44aa formed by groove-shaped concave portions 44ab and 44ac extending in the vertical direction and the horizontal direction, as shown in FIG. As shown, as in the first embodiment, the cushion portion is a cushion pad material 45 provided with a convex portion 45aa formed by a groove portion 45ab whose height is lowered at the collar portion and extending in the left-right direction. It is also possible. These convex portions 41 a, 42 a, 43 aa, 43 ab, 44 aa, 45 aa are formed when the upper and lower molds 31, 32 are formed.

  The present invention is not limited to Embodiments 1 and 2 described above, and can be implemented with appropriate modifications as follows, for example.

  (i) In Embodiment 1, the cushion pad material 4 is attached to the upper skin part 2 by sewing, but it may be attached by an adhesive or by other means such as double-sided tape. In the second embodiment, the cushion pad material 45 is attached to the upper portion 22 by combining sewing and adhesion. However, the cushion pad material 45 is attached only by a single means such as sewing, adhesive, or double-sided tape. Also good. Moreover, the width | variety etc. of the cover material left around a cushion material can be suitably changed with the attachment method.

  (ii) In the first embodiment, the cushion pad material 4 is integrally formed with the cushion material and the cover material, but the cover material may be omitted.

  (iii) In the first embodiment, the sponge material is used as the cushion material. However, a material having the property of returning elastically, such as silicon, elastomer, elastic rubber, and other synthetic resin materials, can also be used. In the second embodiment, urethane is used as the liquid resin material 33. However, other liquid resin materials can be used as long as the liquid resin material is integrated with the cover material 24b by heat fusion.

  (iv) Embodiments 1 and 2 show examples in which the present invention is applied to women's shoes, but the type of shoes is not limited to women's shoes, and other shoes such as men's shoes can also be used. Of course it is good.

DESCRIPTION OF SYMBOLS 1 Women's shoes 2 Upper part 3 Knee part 4 Cushion pad material 4a Groove 4b1-4b6 Cushion convex part 4c Cushion piece 4A Cushion material 4B Cover material 5 Edge cloth 7 Upper shoe sole 8 Lower shoe sole 11 Shoe type 21 Women's shoes 22 Upper part 23 Gutter part 24 Cushion pad material 24a Cushion material 24b Cover material 31 Upper mold 32 Lower mold 33 Liquid resin material 34 Sheet material

Claims (12)

The upper part of the shoe sole is provided with a crust, and a cushion pad material is attached to the inside of the heel of the upper part,
The cushion pad material is provided so as to extend forward from the center of the buttocks on both the left and right inner sides,
The shoe according to claim 1, wherein the upper edge portion of the cushion pad material is located near the upper end of the heel portion at the center of the heel portion, and the height becomes lower toward the front side. The shoe sole has an upper shoe sole and a lower shoe sole,
2. The shoe according to claim 1, wherein the cushion pad material is provided so that the lower edge portion extends and is sandwiched between the upper shoe sole and the lower shoe sole together with the lower edge portion of the upper skin portion.   The shoe according to claim 2, wherein the cushion pad material has projecting pieces at both ends of the lower edge.   The said cushion pad material has a cushion material which has the some cushion convex part formed of the some groove | channel extended in a horizontal direction, and the cover material integrally provided in the surface side of the said cushion material. The listed shoes.   The cushion pad material is sewed to the upper part at a portion where the hem is sewn so as to wrap around the upper rim and the hem is sewn to the upper part. Item 5. The shoe according to any one of Items 1 to 4. It is a manufacturing method of shoes given in any 1 paragraph of Claims 1-5,
A cushion pad material is attached to the inside of the buttock of the upper part,
Then, cover the upper part where the cushion pad material is attached to the shoe mold, and adjust the shape.
Then, the shoe manufacturing method is characterized in that the shoe sole is attached to the upper part. The shoe sole has an upper shoe sole and a lower shoe sole in order from the upper side,
The method for manufacturing a shoe according to claim 6, wherein when the shoe sole is attached to the upper part, the lower edge portion of the cushion pad material is attached so as to be sandwiched between the upper shoe sole and the lower shoe sole. . The upper part of the shoe sole is provided with a crust, and a cushion pad material is attached to the inside of the heel of the upper part,
The cushion pad material is provided so as to extend forward from the center of the buttocks on both the left and right inner sides,
The cushion pad material has a cushion material and a cover material integrated with the cushion material by thermal fusion,
The shoe according to claim 1, wherein an upper edge portion of the cushion pad material extends forward along a top line with the upper end of the heel portion as a center.   The upper side of the cushion pad material is sewn to the upper part by stitches provided along the top line, and left and right front edge parts are bonded to the back skin of the upper part. 8. Shoes according to 8. A method for manufacturing a shoe according to claim 8 or 9,
The cushion material is integrated with the cover material by heat fusion to form the cushion pad material,
Then, the cushion pad material is attached to the inside of the buttocks of the upper part,
Then, the shoe shape is covered with the upper part to which the cushion pad material is attached, to adjust the shape, and then the shoe sole is attached to the upper part.   The shoe according to claim 8, wherein the cushion pad material is attached to the inner side of the heel portion of the upper part with a hot melt material disposed on the attachment side of the cover material and below the cushion material.   The cushion pad material is molded using an upper and lower mold, and a liquid material to be the cushion material is poured into the lower mold, and a sheet material to be a cover material is placed on the liquid material, from above The shoe according to claim 10 or 11, wherein the shoe is formed by applying the upper mold and pressurizing and heating, forming the liquid material into a predetermined shape, solidifying, and integrating with the sheet material. Manufacturing method.

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