JP2000015732A - Sheet material for sewn product, production thereof, and sewn product using them - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide sheet material for a novel sewn product excellent not only in air permeability but also in reinforcing properties, shape retention, design properties and sewing properties and a method for producing the same. SOLUTION: A reinforcing part 12 of a resin layer is integrally combined with the surface of a knitted fabric 11 and constituted so as to make the thickness of the sewing part with other member less than that of other part and, since the reinforcing part 12 being a resin layer is formed to the knitted fabric 11 excellent in air permeability, reinforcing properties, shape retention and design properties are enhanced. Since the sewing part 13 being the resin layer is formed to the knitted fabric, sewing properties are enhanced. Further, when other member (tow guard 8) is superposed on the knitted fabric 11, extreme difference in level is not generated and aesthetic appearance is not damaged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to sewing products such as uppers for various sports shoes, various sportswear, and the like. The present invention relates to a sheet material for a sewn product excellent in shape retention, design properties and sewability, a method for producing the same, and a sewn product using the same.

[0002]

BACKGROUND OF THE INVENTION Conventionally, sports shoes used for various sports such as jogging, basketball, tennis, soccer, trekking, etc., have cushioning properties, gripping properties, stability, light weight and breathability depending on the application. , Flexibility,
Since durability, fit, and the like are required, various devices have been devised for the upper and the sole constituting the shoe.

[0003] Of these, it is effective to use a mesh fabric as a base material constituting the upper in order to particularly improve the air permeability and the lightness, but there are the following problems. First, since the mesh fabric is a knitted fabric in which fibers are knitted so as to have a transparent stitch, a contact area with other members is small, and a contact point with a sewing thread is limited, and in order to increase air permeability. As the area ratio of the transparent mesh to the entire area of the knitted fabric is increased, the suture strength cannot be sufficiently secured. In addition, it is an important element in shoe design, and when suturing the upper and lower sides of the upper to prevent stretch of the base material and improve the shape retention, the stripe is sewn to the mesh fabric. For this reason, suture strength cannot be sufficiently ensured.

[0004]

[Technical Problem Attempted to Be Developed] The present invention has been made in view of such a background, and is a novel material having excellent breathability and excellent reinforcement, shape retention, design and sewing properties. It is an object of the present invention to develop a sheet material for a sewn product, a method for producing the same, and a sewn product using the same.

[0005]

According to a first aspect of the present invention, there is provided a sheet material for a sewn product, wherein a reinforcing portion of a resin layer is integrally combined on a knitted fabric, and the reinforcing portion is sewn to another member. The thickness of the portion is made thinner than the others. According to the present invention, since the reinforcing portion, which is a resin layer, is formed on a knitted fabric having excellent air permeability, the reinforcing property, the shape retaining property, and the design property are improved. Further, since the sewn portion which is a resin layer is formed on the knitted fabric, the suturing property is improved. Furthermore, when another member is superimposed on the knitted fabric, no extreme step is generated, and the appearance is not spoiled.

[0006] A sheet material for a sewn product according to a second aspect of the present invention is characterized in that, in addition to the above requirements, the knitted fabric has a transparent line, and has elasticity and breathability.
According to the present invention, by forming the sewn portion on a knitted fabric, such as a mesh fabric, which cannot ensure a sufficient suturing strength, the sewn strength between the sheet material for a sewn product and other members can be sufficiently increased. Can be secured.

Further, in addition to the above-mentioned requirements, the sheet material for a sewn product further comprises a porous intermediate reinforcing member having an affinity for the reinforcing portion between the knitted fabric and the reinforcing portion.
It is characterized in that it is integrally combined so as to spread over almost the entire surface of the knitted fabric. According to the present invention, since the knitted fabric is prevented from being stretched or bent by the intermediate reinforcing member, the shape retention can be improved while maintaining the air permeability. The decoration effect can be enhanced by making the color of the intermediate reinforcing member different from the color of the reinforcing portion and further the color of the knitted fabric.

According to a fourth aspect of the present invention, there is provided a method of manufacturing a sheet material for a sewn product, comprising a reinforcing portion type groove and a suturing portion type groove, wherein the depth of the suturing portion type groove is greater than the depth of the reinforcing portion type groove. Using an intaglio mold formed shallowly, these mold grooves are filled with a stock resin solution and squeegeeed.Then, a knitted cloth is applied to the upper part of the squeegeeed surface, and the resin stock solution is immersed in the knitted cloth and cured. In this way, the two are integrated to form a reinforcing portion and a sewn portion, and a sewn product sheet material having a thickness of the sewn portion smaller than that of the reinforced portion is obtained. According to the present invention, by applying the reinforcing portion to the stripe or the like, the conventionally required step of suturing the stripe can be omitted, so that the manufacturing cost can be reduced.

According to a fifth aspect of the present invention, in addition to the requirement of the fourth aspect, the method for manufacturing a sheet material for a sewn product has an affinity between the knitted fabric and the reinforcing portion with the reinforcing portion. The present invention is characterized in that a sheet material for a sewn product is obtained by integrally combining a porous intermediate reinforcing member so as to be spread over substantially the entire surface of the knitted fabric. ADVANTAGE OF THE INVENTION According to this invention, a reinforcement part and an intermediate | middle reinforcement body can be joined closely, and durability can be improved.

According to a sixth aspect of the present invention, there is provided a sewn product wherein a reinforcing portion of a resin layer is integrally combined on a knitted fabric, and the reinforcing portion has a smaller thickness at a portion to be sewn with another member. Then, a sheet material for a sewn product is formed, and the sheet material for a sewn product is sewn to another member. ADVANTAGE OF THE INVENTION According to this invention, while the joining of the sheet material for sewn products and other members is strengthened, and when other members are superimposed on the sewn portion, a sewn product excellent in aesthetic appearance that does not produce an extreme step is provided. can do.

The sewing product according to claim 7 is characterized in that, in addition to the requirements described in claim 6, the sheet material for sewing product is applied to an upper of a shoe. According to the present invention, by applying the reinforcing portion to the stripe, the stripe can be firmly held even on a knitted fabric such as a mesh fabric, so that the upper can be reinforced and the shape retention of the upper can be improved. Can be. Further, since the step of sewing the stripe is omitted, the manufacturing cost of the sewn product can be reduced.

Further, in the sewn product according to the eighth aspect, in addition to the requirements of the sixth or seventh aspect, the height of the reinforcing portion from the surface of the sewn portion is different from that of the sewn product sheet material to be sewn to the sewn product sheet material. The thickness is substantially equal to the thickness of the member.
ADVANTAGE OF THE INVENTION According to this invention, when another member is overlap | superposed on the stitching part, it can be set as the sewing product excellent in the appearance which does not produce a level | step difference. The problem is solved by using the configuration of the invention described in each of the claims.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described based on the illustrated embodiments. In the following description, a sports shoe 1 which is an example of a sewn product 1A as shown in FIG. 1 is taken as an example, and an embodiment in which a sewn product sheet material 5A is applied to components of the upper 2 is used. explain. The order of the description is as follows. First, the basic configuration of the sports shoe 1 will be described, and then the configuration of the sheet material 5A for a sewn product applied to the sports shoe 1 will be described. A method for manufacturing the sheet material 5A will be described.

First, the sports shoes 1 will be described. In general, shoes such as the sports shoes 1 are composed of an upper 2 and a sole 3. And the upper 2
Is a toe part 4, an eyelet decoration 6 for passing a string, a tongue 7, a toe part 4,
, A heel guard 9 for reinforcing the heel and a stripe 10 are combined by sewing or the like. The stripe 10 is an important element in the design of the sports shoe 1, and at the same time,
It also serves to prevent shape retention and elongation of the body upper 5.

The main body upper 5 to which the sheet material 5A for a sewn product is applied and another member are sewn together to form a sports shoe 1 as an example of the sewn product 1A. At this time, as described later, the height of the reinforcing portion 12 from the surface of the suturing portion 13 is adjusted by the other members (toe portion 4, eyelet decoration 6, toe guard 8, and heel guard 9) to be sewn to the main body upper 5. By making the thickness substantially equal to the thickness, the sports shoes 1 having a small level difference and excellent in aesthetic appearance are constituted.

Next, the structure of the sewn product sheet material 5A will be described. The sewn product sheet material 5A has the following two different forms. First, the first embodiment is included in claim 1 and described only in claim 2, and as shown in FIG. 2, reinforcing the knitted fabric 11 with a resin layer on the surface thereof. The parts 12 are integrally combined.

On the other hand, the second embodiment of the sewn product sheet material 5A is included in the first and second aspects and has the same basic structure as the first aspect and is limited to the third aspect. The intermediate reinforcing member 1 is provided between the knitted cloth 11 and the reinforcing portion 12 as shown in FIG.
4 are integrally combined so as to be spread over almost the entire surface of the knitted fabric 11. Hereinafter, the first embodiment and the second embodiment of the sewn product sheet material 5A will be described in detail.

(1) First Embodiment of Sheet Material for Sewing Product First, the first embodiment of the above-described sheet material 5A for sewing product will be described in detail. As shown in FIG. 2, this embodiment uses a knitted cloth 11 having a mesh 11a having, for example, a Russell knit or the like having a transparent stitch 11a and having elasticity and air permeability, as shown in FIG. For example, the reinforcing member 12 is a resin layer formed by partially infiltrating urethane rubber, and is integrally combined.

As shown in the sectional view of FIG. 2, a part of the reinforcing portion 12 forms a seam 13 with another member constituting the upper 2 of the sports shoe 1, and the thickness of the seam 13 Is made thinner than the others. The arrangement of the sewn portion 13 is determined mainly by the design of the sports shoe 1, such as being positioned in contact with the reinforcing portion 12 or being separated from the reinforcing portion 12.

As the knitted fabric 11, a mesh fabric is applied as an example as a material having a transparent stitch 11a and having elasticity and air permeability.
Will be described. First, the raw material of the knitted fabric 11 will be described in the case where twisted yarn of animal fiber or vegetable fiber is used, and synthetic fiber (for example, vinyl fibers such as acetate, nylon, polyester, and vinyl chloride,
Other examples include those obtained by blending polyurethane, polyvinylidene chloride, etc.), and those composed of only synthetic fibers. In particular, from the viewpoint of air permeability, a transparent mesh 11 described later is used.
A coarse weave that secures the area ratio of the “a” to the entire area of the knitted cloth 11, for example, Sinamicros, cotton core, polar, georgette, or the like is employed. When a nonwoven fabric is used, a synthetic resin sheet provided with a large number of air holes in a range that can be said to be the transparent stitch 11a is employed.

Such a knitted fabric 11 is a flexible sheet having a transparent eye 11a penetrating on the front and back sides, and has air permeability through the transparent eye 11a.
a is an area ratio of 15 to 85 with respect to the entire area of the knitted fabric 11;
%, Preferably 30-70%. Here, the transparent eye 11a will be described in more detail. The transparent eye 11a is a group of a large number of highly air-permeable holes that penetrate through the front and back of the knitted fabric 11 as a flexible sheet so as to be visible or transparent. Means, for example, a space formed between meshes such as a mesh body, and is distinguished from a space formed by continuously combining yarns vertically and horizontally, for example, a space usually formed on a weave of a woven fabric. It's a concept. Therefore, the transparent eyes 11a are spaced apart from each other in the planar or three-dimensional knitted fabric 11 so as to be visible or transparent. In this specification, the outer fabric of the transparent mesh 11a is referred to as a mesh fabric.

The flexibility of the knitted cloth 11, which is a flexible sheet, depends on the presence of the transparent stitch 11a, the presence of the mesh fabric, the material of the sheet itself, and the like, so that the human body can perform the operation and motion functions. A material that can bend without hindrance is not necessarily required to have high flexibility. Moreover, the flexible sheet is a concept including a thin film to a thick sheet or a three-dimensional sheet.

The knitted fabric 11 used in the present embodiment includes a first fabric 11s which is a mesh fabric as described above and a second fabric 1s.
1b is a three-dimensional knitted fabric bridging with an elastic jumping yarn 11m. This three-dimensional knitted fabric is a so-called transparent mesh 1
In a configuration called "Russell knitting" with 1a, the jumping yarn 11m is composed of a synthetic resin filament or a filament bundle thereof, and has a self-supporting property sufficient to maintain an interval between the first fabric 11s and the second fabric 11b. Has a certain strength. In the case of such a three-dimensional knitted fabric, each transparent mesh 11a between the first fabric 11s on the front and back and the second fabric 11b is used.
May be slightly displaced. However, since the positions of each of the transparent meshes 11a that are continuous on the front and back are reduced as compared with the case of the first fabric 11s or the second fabric 11b alone, the entire transparent mesh 11a is shifted. Even if this is taken into consideration, the above-mentioned numerical limits are included.

Next, the reinforcing portion 12 and the sewn portion 13 as the resin layer will be described. As raw materials for these resin layers,
In the present embodiment, as an example, a polyurethane elastomer of a thermosetting resin which is a kind of urethane rubber is used.
In addition to using a single material for the resin layer,
A plurality of properties can be used in combination for each of the reinforcing portion 12 and the suturing portion 13. Examples of properties used here include color, hardness, elasticity, wear resistance,
Examples include repulsion, vibration absorption, thickness, and weight.

The polyurethane elastomer is composed of a mixture of a prepolymer and a polyisocyanate, and is cured by heating the mixture. Particularly, Nippon Synthetic Chemical Co., Ltd. is suitable as a polyurethane elastomer supplied by spraying from a nozzle. There is a solvent-free immediate-hard urethane resin manufactured by Kogyo Co., Ltd., for example, trade name Efretan. This is desirably heated before spray mixing by a nozzle, and cures with a gel time of about 20 seconds.
In addition, a solvent can be separately added to these to adjust viscosity and hardness. Examples of polyurethane elastomers include Nipporan (registered trademark) of Nippon Polyurethane Industry Co., Ltd., which is a prepolymer, and Pandex (registered trademark), which is a polyisocyanate of Dainippon Ink Co., Ltd. SX-320A & B of Chemical Co., Ltd. can be used.
In addition, it is expected that it is necessary to prevent the inflow from the intaglio mold 20 and the stencil mold 27 described later. Therefore, a thickener can be mixed into these raw materials.

The raw material of the reinforcing portion 12 and the suturing portion 13 serving as the resin layer is not limited to the polyurethane elastomer as described above, but may be other thermosetting resin such as silicone elastomer which is advantageous for skin contact, or irradiation of ultraviolet rays. It is also possible to apply a photo-curing resin that cures in a short time, but it is possible to apply a pressing property (deforms well and obtains a good pushing action), strength (withstands repeated use), and release properties (smoothness). (Deprinting is performed). Furthermore, it is also possible to add a luminous pigment or the like disclosed in Japanese Patent Application Laid-Open No. 8-238702 already filed by the present applicant into such a thermosetting resin or the like. Additional functions such as improvement of visibility (safety) will be added.

(2) Second Embodiment of Sewing Product Sheet Material Next, the second embodiment of the sewing product sheet material 5A described above will be described in detail. This form is described in claims 1 and 2.
And limited to claim 3, and as an example, as shown in FIG.
A knitted cloth 11 having elasticity and air permeability and having a mesh fabric formed by, for example, Russell knitting, and having an affinity between the knitted cloth 11 and the reinforcing portion 12 for the reinforcing portion 12. The porous intermediate reinforcing member 14 having the above structure is integrally combined so as to be spread over almost the entire surface of the knitted fabric 11. Also, as in the first embodiment, a part of the reinforcing portion 12
As shown in the cross-sectional view of FIG. 3 (b), the sewn portion 13 with another member constituting the upper 2 of the sports shoe 1 is formed, and the thickness of the sewn portion 13 is configured to be thinner than the other. .

The sheet material 5A for a sewn product of the second embodiment has a basic configuration similar to that of the first embodiment, and is different from the first embodiment in that an intermediate reinforcing member 14 is provided. Hereinafter, the points related to the intermediate reinforcing member 14 will be described. First, the meaning of the porosity will be described. Porosity means that an opening 14a penetrating from the front to the back is provided for the intermediate reinforcing body 14 which is a sheet-like member, and the area of the opening 14a with respect to the entire area of the intermediate reinforcing body 14 is defined. The ratio is 15-85%, preferably 30
To 70%. In the present embodiment, as the porous intermediate reinforcing body 14, a honeycomb pattern having hexagonal cell-like (honeycomb-like) openings 14a is adopted as an example. Next, the affinity will be described. Affinity is
This means that the two members are easily connected to each other. In the present embodiment, for example, by forming the reinforcing portion 12 or the suturing portion 13 and the intermediate reinforcing member 14 from the same raw material, the two members have an affinity. The nature is created.

Next, the above-described sheet material 5A for a sewn product
A method of manufacturing the device will be described. In this description, a manufacturing method for obtaining a sheet material 5A for a sewn product which does not have the intermediate reinforcing body 14, which is the first embodiment shown in FIG. 2, and the second method shown in FIG. Intermediate reinforcement body 1
The method for producing a sheet material 5A for a sewn product of the type having No. 4 will be described separately.

(1) Method of Manufacturing Sheet Material for Sewing Product without Intermediate Reinforcement (First Embodiment) First, members used for manufacturing the sheet material 5A for sewing product will be described. As shown in FIG. 4A, the intaglio mold 20 has a predetermined shape corresponding to the reinforcing portion 12 formed on the sheet material 5A for the sewn product on one surface of the flat plate member (in the present embodiment, as an example, a bent streak shape). Are formed in a pattern, and in the present embodiment, the depth of the reinforcement-type groove 21 is set to 0.8 mm as an example. A suturing portion type groove 22 is formed around the reinforcing portion type groove 21, and the depth of the suturing portion type groove 22 is determined by the reinforcing portion type groove 2.
It is formed shallower than the depth of 1. In the present embodiment, the depth of the suture portion type groove 22 is set to 0.3 mm as an example.

The intaglio mold 20 may be made of a material such as an iron plate or a stainless steel plate which is excellent in the degree of freedom of processing by etching, a metal such as aluminum which is lightweight and has excellent heat conductivity, or a non-metal such as silicone. A relatively soft material such as rubber, a harder acryl, and a synthetic resin such as a fluororesin having excellent release properties are used. If the release property is poor, a separate release agent is spray-coated, and in the case of a metal or the like, a fluororesin is coated. Furthermore, a fluororesin dispersion plating in which a fluororesin is dispersed in a film may be applied to the hard resin or metal such as acrylic.

Next, a method of manufacturing the sheet material 5A for a sewn product will be described. First, as shown in FIG. 4A, a liquid undiluted solution P of urethane rubber is injected into the reinforcing portion mold groove 21 and the suturing portion mold groove 22 of the intaglio mold 20.

Next, as shown in FIG. 4B, the excess liquid material P protruding from the surface of the intaglio mold 20 is removed by using a squeegee tool 23.

Next, the intaglio mold 20 into which the liquid raw material P has been injected and subjected to the squeegee treatment is placed and fixed on a base 25 provided with an appropriate heating mechanism in a press as shown in FIG. 4 (c). I do. Then, the knitted fabric 1 is placed on the intaglio mold 20.
1 is placed and pressurized by the pressure plate 26 (pressure 0.2 to
0.4 kgf / cm ² ), the knitted fabric 11 is pressed against the intaglio mold 20, and the surface layer of the liquid raw material P is placed on the knitted fabric 11 (the first fabric 11 s, the transition yarn 11 m, and the second fabric 1).
1b) and then heated (40 ° C., 4
0 to 50 minutes or 60 ° C. for about 20 minutes) to cure the liquid raw material P. Further, the pressure is used as an example to 0.0
By performing at a very low pressure of ² kgf / cm ² ,
The degree of infiltration of the surface portion of the liquid material P into the knitted cloth 11 is determined by the first cloth 11s and the transition yarn 11m or the first cloth 1
It is also possible to set only 1 s and to cure the liquid raw material P in this state.

When the liquid raw material P has hardened, the pressurizing and heating are released, and the sheet material 5A for the sewn product having the reinforcing portion 12 and the sewn portion 13 as the formed resin layer is released from the intaglio mold 20. Then, sheet material 5A for sewing products
Is cut and sewn to another member using a sewing thread 16 to form the upper 2 of the sports shoe 1. At this time, as shown in FIG. 6, the height of the reinforcing portion 12 from the surface of the sewn portion 13 is substantially equal to the thickness of another member (for example, the toe guard 8) sewn to the sewn product sheet material 5A. It is possible to obtain the sports shoes 1 which are excellent in aesthetic appearance and have no step at each part.

(2) Method of Manufacturing Sheet Material for Sewing Product Having Intermediate Reinforcement (Second Embodiment) Next, sheet material 5A for sewing product of the type having intermediate reinforcement 14 shown in FIG. The manufacturing method will be described. In this method, in addition to the intaglio mold 20, an intaglio mold 20 A for forming the intermediate reinforcing body 14 is used first, and as shown in FIG. For example, a honeycomb pattern-shaped intermediate reinforcing member type groove 24 is formed, and the depth of the intermediate reinforcing member type groove 24 is set to 0.5 mm as an example.

Next, a method of manufacturing the sheet material 5A for a sewn product will be described. First, as shown in FIG. 5A, the liquid raw material P is injected into the intermediate reinforcing body type groove 24 in the intaglio mold 20A.

Next, as shown in FIG. 5 (b), using a squeegee tool 23, excess liquid material P protruding from the ridge surface of the intaglio mold 20A is removed.

Next, the intaglio mold 20A into which the liquid raw material P has been injected and subjected to the squeegee treatment is placed and fixed on a base 25 having an appropriate heating mechanism in a press as shown in FIG. 5 (c). I do. Then, the knitted cloth 11 is placed on the intaglio mold 20A, and the knitted cloth 11 is pressed against the intaglio mold 20A by applying pressure by the pressure plate 26 (the above-described pressure condition). Into the knitted fabric 11 (only the first fabric 11s as an example), and in this state, the liquid material P is cured by heating (the above-described temperature condition).

When the liquid raw material P is cured, the pressurizing and heating are released, and the primary reinforcing base material 15, which is the knitted cloth 11 having the formed intermediate reinforcing body 14, is released from the intaglio mold 20A.

Next, as shown in FIG. 5D, the same type of urethane rubber liquid having an affinity for the intermediate reinforcing member 14 is applied to the reinforcing portion type groove 21 and the suturing portion type groove 22 in another intaglio die 20. The stock solution P is injected.

Next, as shown in FIG. 5 (e), using the squeegee tool 23, excess liquid material P protruding from the ridge surface of the intaglio mold 20 is removed.

Next, the intaglio mold 20 into which the liquid raw material P has been injected and subjected to the squeegee treatment is placed and fixed on a base 25 provided with an appropriate heating mechanism in a press as shown in FIG. 5 (f). I do. Then, the primary reinforcing base material 15 is placed on the intaglio mold 20, and the primary reinforcing base material 15 is pressed by the pressing plate 26 (the above-described pressure condition), thereby the intaglio mold 2 is used.
0, the liquid material P is penetrated into the knitted cloth 11 (for example, the first cloth 11s and the transition yarn 11m) while the surface layer portion of the liquid raw material P is coupled to the intermediate reinforcing body 14, and heated in this state. The liquid material P is cured under the above-described temperature conditions). At this time, the urethane rubber forming the reinforcing portion 12 and the suturing portion 13 and the urethane rubber forming the intermediate reinforcing member 14 have an affinity for each other, and thus are firmly joined.

When the liquid raw material P has hardened, the pressure and heating are released, and the sewn product sheet material 5A having the formed reinforcing portion 12, the sewn portion 13, and the intermediate reinforcing member 14 is released from the intaglio mold 20. I do. Thereafter, the sheet material 5A for a sewn product is cut and sewn to another member using a sewing thread 16 to form the upper 2 of the sports shoe 1. This type of sheet material for sewn product 5A integrally includes an intermediate reinforcing member 14 between the knitted cloth 11 and the reinforcing portion 12 so as to be spread almost over the entire surface of the knitted cloth 11,
The intermediate reinforcing member 14 can prevent the knitted fabric 11 from being stretched or bent, and the shape retention can be improved while maintaining the air permeability. Also, the color of the intermediate reinforcing body 14 is
The decoration effect can be enhanced by making the color 2 different from the color of the knitted fabric 11.

[0045]

[Other Embodiments] The present invention is based on the above embodiment, but the following embodiments can be adopted based on the technical idea of the present invention. . First, in the above embodiment, the intaglio mold 20 was used in the method of manufacturing the sewn product sheet material 5A without the intermediate reinforcing member 14, but the stencil mold 27 may be used.
Manufacturing methods using the stencil mold 27 include a "knitted fabric pre-installation system" and a "knitted fabric post-installation system", and each will be described below.

(1) Preliminary knitting method First, the stencil mold 27 will be described. As shown in FIG. 7, a sheet material 5 for a sewn product is provided on one surface of a flat plate member.
A is formed by forming a reinforcing part type hole 28 having a predetermined shape corresponding to the reinforcing part 12 formed in A. In the present embodiment, the thickness of the stencil mold 27 is set to 0.7 mm as an example.

Further, the stencil mold 27A is formed by piercing one side of a flat plate member with a suturing portion type hole 29 having a predetermined shape corresponding to the suturing portion 13 formed in the sewn product sheet material 5A. In the present embodiment, the thickness of the stencil mold 27A is set to 0.3 as an example.
mm.

Then, as shown in FIG.
5, the knitted cloth 11 is placed, and the stencil mold 27A is further placed thereon. Then, the liquid raw material P is injected into the stitching portion mold hole 29 and, if necessary, subjected to a squeegee treatment.
The stencil mold 27 is placed on A. Then, the liquid material P is injected into the reinforcing portion mold hole 28, and after squeegee processing as necessary, the liquid material P is hardened by pressurizing and further heating, so that the reinforcing portion 12 which is a molded resin layer is formed. And suture part 1
3 is released from the sheet material 5A for a sewn product.

(2) Post-placing method of knitted fabric Next, the case of post-placing of the knitted fabric 11 will be described.
As shown in (b), the stencil mold 27 is placed on the base 25, the liquid raw material P is injected into the reinforcing part mold holes 28, and squeegee processing is performed as necessary. Put 27A. Then, after injecting the liquid raw material P into the stitching portion type hole 29 and performing a squeegee treatment as necessary, the knitted cloth 11 is placed on the stencil die 27A, pressurized by the pressing plate 26, and further heated to obtain the liquid raw material P. The P is cured, and the sheet material 5A for a sewn product having the reinforcing portion 12 and the stitching portion 13, which are formed resin layers, is released.

In the above embodiment, the intermediate reinforcing member 1
In the method for manufacturing the sheet material 5A for a sewn product having the step No. 4, after obtaining the primary reinforcing base material 15 having the intermediate reinforcing body 14 using the intaglio mold 20A, the reinforcing portion 12 is attached to the primary reinforcing base material 15. And the sewn portions 13 are formed.
The reinforcing portion 12, the suturing portion 13, and the intermediate reinforcing member 14 can be formed at one time for one.

Specifically, an intaglio mold 20B as shown in FIG.
Is used, which is on one side of the flat plate member,
A reinforcing portion type groove 21 having a predetermined shape corresponding to the reinforcing portion 12 formed in the sheet material 5A for the sewn product is formed in a pattern. In the present embodiment, the depth of the reinforcing portion type groove 21 is set to 1 as an example. 0.7 mm. A suturing portion groove 22 is formed around the reinforcing portion groove 21. The suturing portion groove 22 is formed to be shallower than the reinforcing portion groove 21. In the present embodiment, the depth of the suture portion type groove 22 is set to 1.3 mm as an example. Furthermore, an intermediate reinforcing body type groove 24 having a honeycomb pattern shape is formed on one surface of the flat plate member as an example, and the depth of the intermediate reinforcing body type groove 24 is set to 1 mm as an example.

Then, as shown in FIG.
The liquid undiluted solution P is injected into the reinforcing portion type groove 21, the suture portion type groove 22, and the intermediate reinforcing member type groove 24 in B.

Next, as shown in FIG. 8B, using a squeegee tool 23, excess liquid material P protruding from the ridge surface of the intaglio mold 20B is removed.

Next, the intaglio mold 20B into which the liquid raw material P has been injected and subjected to the squeegee treatment is placed and fixed on a base 25 provided with an appropriate heating mechanism in a press as shown in FIG. 8 (c). I do. Then, the knitted cloth 11 is placed on the intaglio mold 20B, and the knitted cloth 11 is pressed against the intaglio mold 20B by being pressed by the pressure plate 26 (the above-described pressure condition). To the knitted cloth 11 (for example, the first cloth 11s, the jumping yarn 11m, and the second cloth 11
b), and the liquid material P is cured by heating (in the above temperature condition) in this state.

When the liquid raw material P has hardened, the heating under pressure is released, and the reinforcing portions 12 which are formed resin layers,
The sheet material 5A for a sewn product including the sewn portion 13 and the intermediate reinforcing member 14 is released from the intaglio mold 20B.

The honeycomb-patterned intermediate reinforcing member 14 is disclosed in Japanese Patent Application No. 10-1217 by the present applicant.
It is preferable to apply No. 69 “Adhesion structure between cloth and surface resin and method for bonding surface resin to cloth”. In this case, by positioning the adhesive resin between the intermediate reinforcing member 14 and the knitted cloth 11, the delicate intermediate reinforcing member 14 can be combined with the knitted cloth 11 firmly and in a desired shape.

In the above embodiment, the knitted cloth 11
The first fabric 11s, the jumping yarn 11m and the second fabric 11
Although a three-layer mesh fabric consisting of b is used, a mesh fabric consisting of only the first fabric 11s can be used as the knitted fabric 11.

[0058]

According to the present invention, a novel "sheet material for sewn products, a method for producing the same, and a method for using the same, which are excellent in breathability, and excellent in reinforcement, shape retention, design and sutability, are used. Sewing products "can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a sports shoe as an example of a sewn product to which the sheet material for a sewn product of the present invention is applied, which is partially enlarged and broken.

FIG. 2 is a perspective view showing a type of sheet material for a sewn product having no intermediate reinforcing body and a cross-sectional view showing an enlarged part thereof.

FIG. 3 is a perspective view and a cross-sectional view of a sheet material for a sewing product of a type having an intermediate reinforcing body.

FIG. 4 is an explanatory view showing step by step a method of manufacturing a sheet material for a sewn product of the present invention.

FIG. 5 is an explanatory view showing step by step a method of manufacturing a sheet material for a sewn product using a primary reinforcing base material.

FIG. 6 is a cross-sectional perspective view showing a state in which a base sheet for a sewn product is sewn to another member.

FIG. 7 is a longitudinal side view showing a state in which a knitted fabric is used in a method of manufacturing a sheet material for a sewn product having no intermediate reinforcing body, and a state in the middle of manufacturing when the knitted fabric is put in a rear place. FIG.

FIG. 8 is an explanatory view showing step by step a method of manufacturing a sheet material for a sewn product of a type having an intermediate reinforcing member, which forms a reinforcing portion, a stitching portion, and an intermediate reinforcing member at a time with respect to a knitted fabric.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sports shoe 1A Sewing product 2 Upper 3 Sole 4 Toe part 5 Body shell 5A Sewing product sheet material 6 Eyelet decoration 7 Velo 8 Toe guard 9 Heel guard 10 Stripe (reinforcement part) 11 Knitted cloth 11a Transparent 11s First cloth 11m Crossover thread 11b Second fabric 12 Reinforcing part (stripe) 13 Stitching part 14 Intermediate reinforcing body (honeycomb pattern) 14a Opening 15 Primary reinforcing base material 16 Sewing thread 20 Intaglio type 20A Intaglio type 20B Intaglio type 21 Reinforcing part type groove 22 Suture part Mold groove 23 Squeegee tool 24 Intermediate reinforcing body mold groove 25 Base 26 Press plate 27 Stencil mold 27A Stencil mold 28 Reinforcement mold hole 29 Suture mold hole P Liquid material

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4F050 AA01 BC03 BC45 BF11 HA19 HA20 HA26 HA30 HA33 HA56 HA57 HA59 HA60 JA01 KA04 KA06 4F100 AJ02 AJ06 AJ08 AK01B AK15 AK16 AK48 AK51 AK52 AL09 AT00D BA10 BA10 BA10 BA10 BA10 BA10 BA10 BA10 DG15 DG18 DJ00C EC082 EC091 EH311 EJ082 EJ822 GB72 GB74 GB87 HB00 JB04C JD02A JK01 JK08A JL01 JL04 4L002 AB01 AB02 CA01 CB02 EA02 EA05 EA06 FA06

Claims (8)

[Claims] 1. A sewn product wherein a reinforcing portion of a resin layer is integrally combined on a knitted fabric, and the reinforcing portion has a smaller thickness at a sewn portion with another member than at other portions. Sheet material. 2. The sheet material for a sewn product according to claim 1, wherein the knitted fabric has a transparent mesh, and has elasticity and air permeability. 3. A method according to claim 1, wherein a porous intermediate reinforcing member having an affinity for the reinforcing portion is integrally provided between the knitted fabric and the reinforcing portion so as to be spread over substantially the entire surface of the knitted fabric. The sheet material for a sewn product according to claim 1 or 2, 4. An intaglio mold having a reinforcing portion type groove and a suturing portion type groove, wherein the depth of the suturing portion type groove is formed smaller than the depth of the reinforcing portion type groove. And then squeegeeing it, then applying a knitted cloth to the upper part of the squeegeeed surface, infiltrating and curing the resin stock solution into the knitted cloth, thereby integrating the two to form a reinforcing part and a stitching part. A method of manufacturing a sheet material for a sewn product, wherein the sheet material for the sewn product has a thickness smaller than that of the reinforcing portion. 5. A sewn product in which a porous intermediate reinforcing member having an affinity for the reinforcing portion is integrally provided between the knitted fabric and the reinforcing portion so as to be spread over substantially the entire surface of the knitted fabric. The method for producing a sheet material for a sewn product according to claim 4, wherein a sheet material for a sewing product is obtained. 6. A sheet material for a sewn product is formed by integrally combining a reinforcing portion of a resin layer on a knitted fabric, wherein the reinforcing portion has a smaller thickness at a seam portion with another member than at the other portion. A sewn product formed and sewn with the sheet material for sewn product and another member. 7. The sewn product according to claim 6, wherein the sewn product sheet material is applied to an upper of a shoe. 8. The height of the reinforcing portion from the surface of the suture portion is:
The sewn product according to claim 6 or 7, wherein the thickness of the other member to be sewn to the sewn product sheet material is substantially equal to the thickness of the other member.