JP4588354B2 - Waterproof shoes and manufacturing method thereof - Google Patents

Waterproof shoes and manufacturing method thereof Download PDF

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JP4588354B2
JP4588354B2 JP2004130540A JP2004130540A JP4588354B2 JP 4588354 B2 JP4588354 B2 JP 4588354B2 JP 2004130540 A JP2004130540 A JP 2004130540A JP 2004130540 A JP2004130540 A JP 2004130540A JP 4588354 B2 JP4588354 B2 JP 4588354B2
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shoe
bag
cover
sole
shoe sole
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JP2005312486A5 (en
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繁一 青木
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Achilles Corp
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Description

本発明は、表甲被の内側に袋状で止水性の袋甲被を装着してある甲被に、射出成形法により靴底を形成一体化してなる防水靴に関し、甲被の表面から仮に水が侵入しても足や靴下は濡れないようにした構造の防水靴に関する。   The present invention relates to a waterproof shoe in which a shoe sole is formed and integrated by an injection molding method on an upper which is provided with a bag-like, water-resistant bag upper on the inner side of the outer upper, and temporarily from the surface of the upper The present invention relates to a waterproof shoe having a structure that prevents feet and socks from getting wet even when water enters.

道路が整備されて泥水による水たまりがほとんどない昨今、人々は雨の日でもゴムや合成樹脂製の靴を着用せず、カジュアルな靴を着用するようになっている。このような事情から、カジュアルな靴に防水性を付与して欲しいとの要求が増大している。   Nowadays, when roads are maintained and there is almost no puddle of mud, people don't wear rubber or synthetic shoes even on rainy days, but wear casual shoes. Under such circumstances, there is an increasing demand for waterproofing casual shoes.

カジュアルな靴に防水性を付与するには、図７に示すように、表甲被、止水層及び裏甲被とで甲被を形成し、止水層の下縁をゴムや合成樹脂製の靴底に接着すれば良いのであるが、表甲被に浸透した水が縫糸の縫い目から靴内部に浸透する虞がある。また、別工程で作製した靴底を甲被に接着剤で接合して作製されるタイプの防水靴では、甲被と靴底との間の接着剤を多くして、両者の間に水が浸透する流路ができないようにすることで防水性を図ることが考えられる。しかし接着剤の増量は接着作業に要する時間の増大を招き、また何よりも接着剤の塗布バラツキによって両者の間に細い流路が形成されてしまう危険性を完全に無くすことは困難である。このような縫糸の縫い目及び細い流路の問題を解決するために、表甲被の内側に足形状かつ袋状で止水性の袋甲被を設けて甲被を二重構造とすることが知られている。   In order to give waterproofness to casual shoes, as shown in Fig. 7, the upper is covered with a front cover, a waterproof layer and a back cover, and the bottom edge of the waterproof layer is made of rubber or synthetic resin. However, water that has penetrated into the upper cover may penetrate into the shoe interior from the stitches of the sewing thread. In the case of waterproof shoes that are made by joining the soles made in separate processes to the upper with an adhesive, the adhesive between the upper and the sole is increased, and water is generated between the two. It is conceivable to achieve waterproofness by preventing a permeation flow path. However, an increase in the amount of adhesive causes an increase in the time required for the bonding operation, and above all, it is difficult to completely eliminate the risk of forming a narrow flow path between the two due to variations in the application of the adhesive. In order to solve the problems of the stitched seam and the narrow flow path, it is known that the upper is made into a double structure by providing a foot-shaped, bag-like, water-stopping bag upper on the inner side of the outer upper. It has been.

ところが、靴の爪先側領域は、足の爪先側領域の接地状態に応じて屈曲しやすいことが着用感の重要な要素であり、また、この領域には歩行時、走行時に水平方向に大きな荷重がかかる。すなわち、甲被を二重構造とすると、特に袋甲被の靴底側に接する部分は、このような屈曲や水平方向の荷重によりダメージを受けて止水性が損なわれる問題がある。   However, it is an important factor for the feeling of wearing that the toe side area of the shoe tends to bend according to the ground contact state of the toe side area of the foot, and this area has a large horizontal load during walking and running. It takes. In other words, when the upper is made of a double structure, the portion of the bag upper that contacts the shoe sole side is damaged by such bending or horizontal load, and there is a problem that the water stoppage is impaired.

なお、予め作製した甲被をラストモールドに被せておいて、この甲被とサイド及びボトムモールドとで靴底を成形するための空隙を形成し、この空隙に靴底材料を充填する、所謂射出成形法により甲被に靴底を形成一体化することが知られている。また、甲被をラストモールドに被せた後に両者を強制的に密着させる手段として、甲被の下周縁に多数のループを取り付けて、ループに通した紐で絞り込む技術が知られている。
特開平６−７０８０４号公報 特許第３４０２６８８号公報 The so-called injection, in which a previously manufactured upper is covered with a last mold, and a space for molding a shoe sole is formed by this upper and the side and bottom molds, and the sole material is filled in this space. It is known to form and integrate a shoe sole on the upper by a molding method. In addition, as a means for forcibly contacting the upper after the upper is covered with a last mold, there is known a technique in which a large number of loops are attached to the lower periphery of the upper and narrowed down with a string passing through the loop.
JP-A-6-70804 Japanese Patent No. 3402688

本発明は、爪先側領域の防水性を高めた防水靴を提供することを目的とし、さらにはその防水靴の軽量化を図ることを第二目的とする。   An object of the present invention is to provide a waterproof shoe with improved waterproofness in the toe side region, and further to reduce the weight of the waterproof shoe.

本発明の防水靴は、表甲被と、止水性の袋甲被と、中底布と、靴底とからなる防水靴であって、表甲被は、履き口側及び靴底側が開口する足形状のものであり、袋甲被は、履き口側が開口するとともに足形状かつ袋状のものであり、袋甲被は、履き口側が開口する足形状かつ袋状のものであり、表甲被と袋甲被とは、袋甲被が表甲被の内側に装着されて、両者がそれぞれの履き口辺りで縫合してあり、中底布は、爪先側領域には存在せず踵側領域において表甲被下周縁に縫合してあり、靴底は、少なくとも爪先側領域においては射出成形法により形成されて袋甲被と接合一体化してある構成である。
また、本発明の防水靴を製造する方法は、表甲被靴底側の開口部の爪先側領域を空けて踵側領域を塞ぐように、中底布を表甲被下周縁に縫合し、表甲被と袋甲皮と中底布とを縫合したものの靴底として、少なくとも中底布不存在の爪先側領域へ、靴底材料を射出して、袋甲被と接合一体化した靴底を形成する構成である。 The waterproof shoe of the present invention is a waterproof shoe composed of an outer cover, a water-resistant bag cover, an insole cloth, and a shoe sole, and the upper cover is open on the mouth side and the shoe bottom side. It is foot-shaped, and the bag cover is foot-shaped and bag-shaped with the mouth side opened, and the bag cover is foot-shaped and bag-shaped with the foot opening opened, The hood and the sack are covered with the sack on the inside of the front sash, and both are sewn around their respective mouths. The insole cloth does not exist in the toe side area and is on the heel side. In the region, it is stitched to the lower periphery of the upper shell, and the shoe sole is formed by injection molding at least in the toe side region and is integrally joined to the bag upper.
In addition, the method of manufacturing the waterproof shoe of the present invention, stitches the midsole cloth to the lower margin of the upper cover so as to close the toe side area of the opening on the side of the upper cover shoe bottom, A shoe sole that is formed by injecting the sole material to at least the toe side region where the insole cloth is not present, and joining and integrating with the instep cover as the sole of the case where the outer cover, the bag upper and the insole cloth are stitched together It is the structure which forms.

また、本発明の防水靴は、表甲被と袋甲被とよりなる甲被には、踵側領域において射出成形法による靴底を形成していない部分があり、当該部分に別途作製した踵側靴底を接着してあり、前記踵側靴底が発泡体からなる構成であっても良い。 Further, in the waterproof shoe of the present invention, there is a part in which the shoe sole by the injection molding method is not formed in the heel side region in the upper part made up of the outer cover and the bag cover, and the heel manufactured separately in the part. The side shoe sole may be bonded, and the heel side shoe sole may be made of a foam .

本発明の防水靴は、袋甲被がダメージを受けやすい爪先側領域において、靴底を射出成形法により形成して袋甲被に接合一体化してある構成であるので、接着剤を介して手作業（又は機械作業）で袋甲被と靴底とを接合する場合と比べて両者が均質に接合している。両者が均質に接合する理由は、射出成形法により、流動性のある靴底材料が袋甲被にほぼ同一圧力で接触しながら固化するためと考えられる。したがって、本発明の防水靴は、袋甲被と靴底との間にズレ応力が発生してもこの力は一カ所に集中すること無く全体に分散するので、袋甲被は止水性を損ねるようなダメージを受けづらい。そして、踵側領域に設けた中底布はラストモールドに甲被を被せる際に被りすぎないようにするためのストッパーの役割（位置決めの役割）がある。   The waterproof shoe of the present invention has a configuration in which the shoe sole is formed by injection molding in a toe side region where the bag back is easily damaged, and is integrally joined to the bag back. Compared with the case where the bag upper and the shoe sole are joined in the work (or machine work), both are joined uniformly. The reason why the two are homogeneously joined is considered to be that the fluid shoe sole material solidifies while being in contact with the bag upper cover at almost the same pressure by the injection molding method. Therefore, in the waterproof shoe of the present invention, even if a displacement stress occurs between the bag upper and the shoe sole, the force is dispersed throughout the bag without concentrating on one place. It is hard to take such damage. And the insole cloth provided in the heel side area has a role of a stopper (positioning role) so as not to cover too much when the upper is covered on the last mold.

また、本出願人は、踵側領域は袋甲被がダメージを受けづらい部分であり、爪先側領域のように射出成形法による靴底を形成一体化する必要がないことに着目して、踵側領域には軽量化が困難な射出成形法による靴底を形成しない部分を設けて、この部分に別途作製した軽量な踵側靴底を設けて靴自体を軽量にしたものである。   In addition, the applicant of the present invention pays attention to the fact that the heel side region is a portion in which the bag shell is difficult to be damaged, and it is not necessary to form and integrate the shoe sole by the injection molding method unlike the toe side region. In the side region, a portion where a shoe sole is not formed by an injection molding method, which is difficult to reduce in weight, is provided, and a separately prepared lightweight heel side shoe sole is provided to make the shoe lighter.

本発明を実施形態の防水靴に基づいて具体的に説明する。本発明の防水靴は、図１のような袋甲被２と、図２のような表甲被３とを図３のようにそれぞれの履き口辺りで縫合し、図４のように表甲被の踵側領域に中底布４を縫合して設けるとともに、表甲被の爪先側領域に多数のループ５を取り付けて、それらのループ内に紐６が設けられた甲被７を作製し、図５に示すように、この甲被７をラストモールド１０に被せた後、紐６で緊締することで甲被をラストモールドに密着させ、少なくとも靴底の爪先側領域は射出成形法によって形成されている。実施形態の防水靴１では、図６に示すように、踵側領域には、射出成形法による靴底８を形成していない部分を設け、当該部分に軽量な踵側靴底９を、接着剤で接着することにより靴自体を軽量にしている。   The present invention will be specifically described based on the waterproof shoe of the embodiment. The waterproof shoe of the present invention is formed by stitching a bag upper 2 as shown in FIG. 1 and a front upper 3 as shown in FIG. 2 around the respective wearing mouths as shown in FIG. 3, and as shown in FIG. The insole cloth 4 is sewn and provided on the heel side region of the cover, and a large number of loops 5 are attached to the toe side region of the front cover, and the upper 7 having the strings 6 provided in these loops is produced. As shown in FIG. 5, the upper 7 is put on the last mold 10, and then the upper is brought into close contact with the last mold by tightening with the string 6, and at least the toe side region of the shoe sole is formed by an injection molding method. Has been. In the waterproof shoe 1 of the embodiment, as shown in FIG. 6, a portion where the shoe sole 8 by the injection molding method is not formed is provided in the heel side region, and a lightweight heel side shoe sole 9 is bonded to the portion. The shoes themselves are lightened by bonding with the agent.

図４に示すように、本発明の防水靴は、爪先側領域には中底布４が不存在になるようにしてある。このようにすることで、射出成形法による靴底８は爪先側領域において袋甲被３に形成一体化するようになる。爪先側領域の中底布の不存在の部分は、爪先端より靴の長さの２５〜５５％程度の位置までとすると良い。中底布の不存在部分が爪先端より２５％未満の位置までであると袋甲被の耐久性の向上はあまり期待できず、爪先端より５５％超の位置まであると靴底の射出成形時にラストモールドに表甲被（特に表甲被の踏まず部）を密着させることが難しくなるために、表甲被の形状を良好な状態に確定できない虞がある。実施形態の防水靴では、爪先側領域の中底布の不存在の部分が、爪先端より靴の長さの４２％の位置までとしてある。   As shown in FIG. 4, the waterproof shoe of the present invention is configured such that the insole cloth 4 is not present in the toe side region. By doing in this way, the shoe sole 8 by the injection molding method is formed and integrated with the bag upper 3 in the toe side region. The non-existing portion of the insole cloth in the toe side region is preferably about 25 to 55% of the shoe length from the tip of the nail. If the insole portion of the insole cloth is less than 25% of the nail tip, improvement in the durability of the bag shell cannot be expected so much, and if it is over 55% of the nail tip, injection molding of the shoe sole is performed. Sometimes it becomes difficult to make the upper cover (especially the stepped part of the upper cover) adhere to the last mold, so there is a possibility that the shape of the upper cover cannot be determined in a good state. In the waterproof shoe of the embodiment, the non-existing portion of the insole cloth in the toe side region extends to the position of 42% of the shoe length from the tip of the nail.

図４に示すように、表甲被３の下周縁には、その爪先側領域にオーバーロックミシンによる縁かがり縫い等で多数の連設したループ５を取り付け、それらのループ内には紐６を二廻りするように通してある。それらのループより紐が出る位置は、爪先端より靴の長さの３０〜５５％程度の位置とすると良い。この位置が爪先端より３０％未満あるいは５５％超の位置であると靴底の射出成形時にラストモールドに表甲被の踏まず部辺りを密着させることが難しくなるために、表甲被の形状を良好な状態に確定できない虞がある。実施形態の防水靴では、多数のループより紐が出る位置が、爪先端より靴の長さの４５％の位置としてある。   As shown in FIG. 4, a large number of loops 5 are attached to the lower periphery of the upper case 3 by edge stitching with an overlock sewing machine in the toe side region, and strings 6 are placed in these loops. It goes through like turning around twice. The position where the string comes out from these loops is preferably about 30 to 55% of the length of the shoe from the tip of the nail. If this position is less than 30% or more than 55% from the tip of the nail, it is difficult to closely contact the step of the upper cover to the last mold during the injection molding of the shoe sole. May not be determined in a good state. In the waterproof shoe of the embodiment, the position where the string comes out from a number of loops is 45% of the length of the shoe from the tip of the nail.

実施形態の防水靴では、表甲被は、爪先側領域においては多数のループ内に設けた紐で緊締する構成としたものである。この構成を採用することにより、爪先側領域を中底布不存在の状態とできているので袋甲被と射出成形法による靴底とを接合一体化することを可能としているとともに、以下のような問題も解決している。すなわち、袋甲被は靴が完成したときに表甲被との間に空隙が発生しないように表甲被の内寸より袋甲被の外寸をやや大きめに形成するのであるが、袋甲被の存在のために表甲被とラストモールドとが密着しない部分が発生し、この状態で射出成形法による靴底を形成するとこの部分が歪みとなって現れて外観良好な靴とできないというと言う問題である。   In the waterproof shoe according to the embodiment, the upper cover is configured to be fastened with strings provided in a number of loops in the toe side region. By adopting this configuration, the toe side region is in the absence of the insole fabric, so that it is possible to join and integrate the bag upper and the shoe sole by the injection molding method as follows. The problem is also solved. In other words, the bag cover is formed so that the outer dimension of the bag upper is slightly larger than the inner dimension of the upper cover so that there is no gap between the cover and the upper cover when the shoe is completed. Due to the presence of the cover, there is a part where the upper cover and the last mold do not adhere to each other, and if the shoe sole is formed by injection molding in this state, this part appears to be distorted and it can not be a shoe with good appearance It is a problem to say.

袋甲被２は、履き口側が開口する足形状かつ袋状で、内部に水が浸透しないような加工を施してあり、少なくとも外表面の爪先領域が射出成形法による靴底と接合するものであれば特に限定されない。実施の形態ではこの袋甲被２は、外層に防水層、中間層に弾性層、内層に裏布層を積層したシートを適宜の形状に裁断して、裁断面同士が突き合わされるように縫合することで上記の形状に作製してある。そして、この縫合した箇所（縫い目１５）には、外層に防水テープ１６を貼着して防水処理を施してある。なお、外層は水を遮断するための層で３０μｍの合成樹脂製（ポリエーテル系ポリウレタン）のフィルムを用い、弾性層は履き心地を向上するための層で２ｍｍの軟質ポリウレタンフォームを用い、裏布層は弾性層を保護する層で無起毛トリコット材を用いている。   The bag upper 2 has a foot shape and a bag shape with an opening on the side of the mouth, is processed so that water does not penetrate inside, and at least the toe region on the outer surface is joined to the shoe sole by an injection molding method. If there is no particular limitation. In the embodiment, the bag shell 2 is cut so that a sheet having a waterproof layer as an outer layer, an elastic layer as an intermediate layer, and a backing cloth layer as an inner layer is cut into an appropriate shape, and the cut surfaces are abutted with each other. By doing so, it is produced in the above-mentioned shape. And the waterproofing process is given to this stitched location (seam 15) by sticking the waterproof tape 16 to the outer layer. The outer layer is a layer for blocking water, and a 30 μm synthetic resin (polyether polyurethane) film is used. The elastic layer is a layer for improving comfort, and a 2 mm flexible polyurethane foam is used. The layer is a layer that protects the elastic layer and uses a brushed tricot material.

表甲被３は、従来より一般的に採用されているものを用いることができる。例えば天然皮革、合成皮革、人工皮革、木綿などの天然繊維やポリエステルなどの合成繊維による織布、編布、メッシュ素材等から自由に選択して履き口側及び靴底側が開口する足形状に縫合したものを用いることができる。表甲被の下周縁の爪先側領域は、踵側領域に比べて下方に延出してある。この延出部分１７には多数のループ５を取り付けてあり、それらのループに紐６を通してある。延出部分１７を形成してあることで、紐６で表甲被３を緊締すれば表甲被はラストモールドにより密着する。   As the upper cover 3, those generally employed conventionally can be used. For example, natural leather, synthetic leather, artificial leather, natural fibers such as cotton and synthetic fibers such as polyester, woven fabric, knitted fabric, mesh material, etc. can be freely selected and stitched into a foot shape with the mouth and shoe sole sides open Can be used. The toe side region on the lower periphery of the upper shell extends downward compared to the heel side region. A number of loops 5 are attached to the extended portion 17, and the strings 6 are passed through these loops. By forming the extended portion 17, if the upper cover 3 is fastened with the string 6, the upper cover is brought into close contact with the last mold.

中底布４は、従来より一般的に採用されているものを用いることができる。例えば木綿などの天然繊維やポリエステルなどの合成繊維による織布、編布、不織布、メッシュ素材等から自由に選択して裁断したものを用いることができる。中底布はその形状をラストモールドの底面の形状に合うようにして作製するが必ずしも踵側領域の全てに設ける必要はなく部分的でも良い。中底布と袋甲被とが接触する部位においては両者を接着剤で接着することが好ましい。なお、中底布として、射出成形に用いる靴底材料が袋甲被に達するようにメッシュ状のものを用いるかあるいは中底布自体に穴開け加工を施しておけば、靴底と袋胛被とを接着剤を用いることなく接合することが可能となる。   As the insole cloth 4, those conventionally employed in general can be used. For example, a woven fabric, a knitted fabric, a nonwoven fabric, a mesh material or the like made of natural fibers such as cotton or synthetic fibers such as polyester can be selected and cut. The insole cloth is produced so that its shape matches the shape of the bottom surface of the last mold, but it is not always necessary to provide it in the entire heel side region, and may be partial. It is preferable to adhere both with an adhesive at the part where the insole cloth and the bag upper are in contact with each other. In addition, as the insole cloth, if the mesh material is used so that the shoe sole material used for injection molding reaches the bag upper or if the insole cloth itself is perforated, the shoe sole and the bag cover Can be joined without using an adhesive.

射出成形法による靴底８の材料としては、従来より射出成形靴底に使用されているものが使用できる。具体的には、軟質塩化ビニル系樹脂、熱可塑性エラストマー、ゴム材料等の弾性を有する発泡性又は非発泡性の材料が使用できる。特に、軟質塩化ビニル系樹脂を使用した材料は、柔軟にするために可塑剤を用いているためにクリープ性が高いので靴底の屈曲性を高めることができる。また、靴底を軽量にするという観点からマイクロカプセル型発泡剤、熱分解型化学発泡剤を添加した発泡性材料が好ましい。射出成形法による靴底の材質は、爪先側領域の屈曲性を高めるために曲げ弾性率（ＪＩＳ−Ｋ７１７１）が０．１〜３Ｍｐａであることが好ましい。   As the material of the shoe sole 8 by the injection molding method, those conventionally used for the injection molded shoe sole can be used. Specifically, a foamable or non-foamable material having elasticity such as a soft vinyl chloride resin, a thermoplastic elastomer, or a rubber material can be used. In particular, a material using a soft vinyl chloride resin has a high creep property because it uses a plasticizer to make it soft, so that the flexibility of the shoe sole can be improved. Further, from the viewpoint of reducing the weight of the shoe sole, a foamable material to which a microcapsule type foaming agent or a pyrolytic chemical foaming agent is added is preferable. The material of the shoe sole by the injection molding method preferably has a flexural modulus (JIS-K7171) of 0.1 to 3 Mpa in order to enhance the flexibility of the toe side region.

踵側靴底９は、低比重（比重０．１〜０．４）でもクッション性があり、かつ曲げ弾性率の比較的高いエチレン−酢酸ビニル共重合体やポリエチレンの発泡体が好ましい。このような発泡体を用いることは、射出成形法による靴底が比重０．６以下にすることが困難であることを考えれば、靴自体の軽量化に有効である。踵側靴底の成形は、エチレン−酢酸ビニル共重合体及び／又はポリエチレン等の樹脂に、架橋剤、発泡剤、充填材、その他の添加剤を添加・混練したものを金型等で加熱して発泡させ、これを切削することによるかあるいは成形型で加熱圧縮後に冷却することにより、所望の形状に成形する方法が利用できる。また、踵側靴底の材質は、足のホールド性を高めるために曲げ弾性率が２〜２０Ｍｐａでかつ射出成形法による靴底の材質より高い値であることが好ましい。   The heel side shoe sole 9 is preferably an ethylene-vinyl acetate copolymer or polyethylene foam having a cushioning property even at a low specific gravity (specific gravity 0.1 to 0.4) and a relatively high flexural modulus. The use of such a foam is effective for reducing the weight of the shoe itself, considering that it is difficult for the shoe sole by injection molding to have a specific gravity of 0.6 or less. The heel side shoe sole is formed by heating a resin such as ethylene-vinyl acetate copolymer and / or polyethylene to which a crosslinking agent, foaming agent, filler, or other additive is added and kneaded with a mold or the like. It is possible to use a method of forming into a desired shape by foaming and cutting, or by cooling with a molding die after heating and compression. Further, the material of the heel side shoe sole preferably has a bending elastic modulus of 2 to 20 Mpa and a higher value than the material of the shoe sole by the injection molding method in order to enhance the holdability of the foot.

以上本発明の防水靴を説明したが、靴底の耐磨耗性や滑り止め性を向上させるためにその接地面側に別途作製の接地底を設けても良い。   Although the waterproof shoe of the present invention has been described above, a separately manufactured grounding bottom may be provided on the grounding surface side in order to improve the abrasion resistance and anti-slip property of the shoe sole.

袋甲被の斜視説明図。The perspective explanatory drawing of a bag back. 表甲被の斜視説明図。FIG. 表甲被と袋甲被をそれぞれの履き口辺りで縫合した態様の斜視説明図。The perspective explanatory drawing of the aspect which sewn the upper cover and the bag cover around each wear mouth. 甲被の斜視説明図A perspective view of the upper 甲被に射出成形法による靴底を形成する工程の説明図Explanatory drawing of the process of forming the shoe sole by the injection molding method on the upper 実施態様の防水靴の側面説明図。Side surface explanatory drawing of the waterproof shoes of embodiment. 公知技術の説明図。Explanatory drawing of a well-known technique.

符号の説明Explanation of symbols

１ 防水靴
２ 袋甲被
３ 表甲被
４ 中底布
５ ループ
６ 紐
７ 甲被
８ 射出成形法による靴底
９ 踵側靴底
１０ ラストモールド
１１ ボトムモールド
１２ サイドモールド
１３ 空隙
１４ 射出口 DESCRIPTION OF SYMBOLS 1 Waterproof shoes 2 Bag upper 3 Front upper 4 Insole cloth 5 Loop 6 String 7 Upper 8 Shoe sole 9 by the injection molding method Sole side sole 10 Last mold 11 Bottom mold 12 Side mold 13 Cavity 14 Injection port

Claims (3)

表甲被と、止水性の袋甲被と、中底布と、靴底とからなる防水靴であって、
表甲被は、履き口側及び靴底側が開口する足形状のものであり、
袋甲被は、履き口側が開口する足形状かつ袋状のものであり、
表甲被と袋甲被とは、袋甲被が表甲被の内側に装着されて、両者がそれぞれの履き口辺りで縫合してあり、
中底布は、爪先側領域には存在せず踵側領域において表甲被下周縁に縫合してあり、
靴底は、少なくとも爪先側領域においては射出成形法により形成されて袋甲被と接合一体化してあることを特徴とする防水靴。 A waterproof shoe consisting of an outer cover, a water-resistant bag upper, an insole cloth, and a shoe sole,
The front cover is a foot-shaped thing that the mouth side and the shoe sole side open,
The bag upper is a foot-shaped and bag-like shape with an opening on the mouth side,
The front and back covers are: the back cover is attached to the inside of the front cover, and both are stitched around their respective mouths,
The mid-sole cloth is not sewn in the toe side region, but is sewn to the lower margin of the upper shell in the heel side region,
A waterproof shoe, wherein the shoe sole is formed by an injection molding method at least in the toe side region and is integrally joined to the bag upper. 表甲被と袋甲被とよりなる甲被には、踵側領域において射出成形法による靴底を形成していない部分があり、当該部分に別途作製した踵側靴底が接着されており、前記踵側靴底が発泡体からなることを特徴とする請求項１記載の防水靴。 There is a part that does not form a shoe sole by an injection molding method in the heel side region, and a separately manufactured heel side shoe sole is bonded to the part, which is composed of a front upper cover and a bag upper cover , The waterproof shoe according to claim 1, wherein the heel side shoe sole is made of a foam . 表甲被と、止水性の袋甲被と、中底布と、靴底とからなる防水靴を製造する方法であって、
履き口側及び靴底側が開口する足形状の表甲被に、履き口側が開口する足形状かつ袋状の袋甲被を装着するとともに、両者をそれぞれの履き口辺りで縫合し、
表甲被靴底側の開口部の爪先側領域を空けて踵側領域を塞ぐように、中底布を表甲被下周縁に縫合し、
表甲被と袋甲被と中底布とを縫合したものの靴底として、少なくとも中底布不存在の爪先側領域へ、靴底材料を射出して、袋甲被と接合一体化した靴底を形成することを特徴とする防水靴の製造方法。 A method for producing a waterproof shoe comprising an outer upper, a water-resistant bag upper, an insole cloth, and a sole,
Attach a foot-shaped and bag-shaped bag upper that opens on the side of the mouth to the foot-shaped outer cover that opens on the side of the shoe mouth and the shoe sole, and sew both of them around their respective mouths.
Sew the insole fabric to the lower margin of the upper shell so as to close the toe side region of the opening on the side of the upper shoe upper and close the heel region,
A shoe sole that is formed by injecting the sole material into at least the toe side region where the insole cloth is not present, and joining and integrating with the instep cover as the sole of the case where the front cover, the bag cover and the insole cloth are stitched together Forming a waterproof shoe.
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JP4917629B2 (en) * 2009-05-26 2012-04-18 株式会社パンジー Waterproof shoes
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670804A (en) * 1992-08-29 1994-03-15 Japan Gore Tex Inc Footwear
JPH08228804A (en) * 1994-12-02 1996-09-10 Wl Gore & Assoc Gmbh Protective shoes
JPH1023902A (en) * 1996-07-11 1998-01-27 Sekaicho Rubber Co Ltd Waterproof shoes
JP2003093105A (en) * 2001-09-27 2003-04-02 Achilles Corp Conductive waterproof shoe
JP3402688B2 (en) * 1993-08-31 2003-05-06 アキレス株式会社 Injection molded safety shoes and method of manufacturing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0670804A (en) * 1992-08-29 1994-03-15 Japan Gore Tex Inc Footwear
JP3402688B2 (en) * 1993-08-31 2003-05-06 アキレス株式会社 Injection molded safety shoes and method of manufacturing the same
JPH08228804A (en) * 1994-12-02 1996-09-10 Wl Gore & Assoc Gmbh Protective shoes
JPH1023902A (en) * 1996-07-11 1998-01-27 Sekaicho Rubber Co Ltd Waterproof shoes
JP2003093105A (en) * 2001-09-27 2003-04-02 Achilles Corp Conductive waterproof shoe

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