JP2006241605A - Three dimensional cloth product having crease and method for forming the crease - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a three dimensional cloth product having a crease, without requiring the preparations of many cloth members for constituting products, also without requiring complex sewing works for sewing up each of the cloth members for forming the crease, and capable of improving the appearance and quality of the product, and a method for forming the crease. <P>SOLUTION: This crease is formed without sewing up a multiple number of cloth members constituting a surface skin material. The crease is formed by swelling up or caving in from the surface of the surface skin material. The crease is formed by bending a groove part, hole part or gap part formed at the reverse surface side of a cloth forming the surface skin material. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a three-dimensional fabric product, and more particularly to a product having a fold in the fabric and a method for forming a fold in the fabric.
Here, the three-dimensional fabric product refers to a product produced by using leather fabric, fabric, synthetic resin fabric, etc., for example, handbags or wallets such as leather bags, fabrics, fabrics, etc. And clothes such as hats that are used as fabrics.

  For example, as a three-dimensional fabric product, a handbag manufactured using leather as a skin material may have poor freshness in design as a bag when the front body portion of the bag body is formed with a flat surface structure. .

  Therefore, in order to improve the appearance quality of the bag, the front body part or the gusset part of the side surface part is provided with a fold that bulges outward or sinks inward to the skin material, giving a three-dimensional effect, A handbag formed with a volumetric surface configuration has also been proposed.

  Conventionally, when providing a three-dimensional feeling to the skin material as a product by providing a fold that bulges outward or sinks inward as described above, the skin material 41 of the handbag 40 is provided as shown in FIG. A plurality of constituent fabric members 42, 43 are prepared and prepared in advance according to the pattern, the fabric members 42, 43 are joined together by stitching at the peripheral edge, and bent at the joining portion 44. In general, the crease 45 is formed by the above method.

However, when the fold 45 is formed by stitching the fabric members 42 and 43 as described above, the design of the entire bag may be restricted because the stitch 46 appears on the surface.
Further, in order to prevent the stitch 46 from appearing on the surface, the fabric members 42 and 43 are sewn on the back surface side so that the stitched portion does not appear on the surface, but the stitching operation is complicated. .

  Furthermore, when performing the surface configuration of a fabric with a large volume, the fabric members 42 and 43 having peripheral edges formed by curves are sewn together while aligning the peripheral edges, but depending on the angle of joining of the respective fabric parts While performing the so-called “fishing” operation, it is necessary to perform the suturing operation while adjusting the curvature of the peripheral portion and adjusting the formation of the heel, and the suturing operation is very complicated.

  Further, as described above, since the fabric members 42 and 43 need to be stitched together, the number of fabric members 42 and 43 prepared in advance according to the pattern is large, and the number of manufacturing processes is also large. There is also a problem that the manufacturing is complicated and the manufacturing cost increases.

In addition, when searching the prior art from such a viewpoint, Patent Document 1 has been discovered, but in Patent Document 1, the boundary portion of different constituent parts, for example, the boundary part of the front torso part and the bottom part, Although the manufacturing method of the bag which formed the unevenness | corrugation by the embossing process and made it into a folding part is described, the crease is formed in the same component part instead of the boundary part of a different component part, and there is a volume The technical idea of manufacturing a bag having a surface configuration is not disclosed.
JP-A-8-275809

  Therefore, the object of the present invention is to eliminate the need for preparing dough members constituting a large number of products, and eliminate the need for complicated sewing operations for stitching the dough members for forming folds, thereby improving the appearance quality of the products. An object of the present invention is to provide a three-dimensional fabric product having a fold and a method for forming the fold.

  In order to solve the above problems, the three-dimensional fabric product according to the present invention according to claim 1 is characterized in that the folds of the skin material are formed without stitching a plurality of fabric members constituting the skin material. To do.

  That is, in the three-dimensional fabric product according to the first aspect of the present invention, a plurality of fabric members are stitched together, and a fold is formed in the skin material without forming a fold by bending the joint portion. It is what. Therefore, it is not necessary to prepare and prepare a plurality of fabric members in advance, and it is not necessary to join the plurality of fabric members by stitching.

  Moreover, the three-dimensional fabric product according to the second aspect of the present invention is characterized in that the folds are formed to bulge from the surface of the skin material.

  That is, in the three-dimensional fabric product according to the second aspect of the present invention, a volumetric three-dimensional feeling can be obtained by the folds bulging from the surface of the skin material.

  The three-dimensional fabric product according to the present invention described in claim 3 is characterized in that the crease is formed by being depressed from the surface of the skin material.

  That is, in the three-dimensional fabric product according to the third aspect of the present invention, a smart three-dimensional feeling without waste meat appears by forming the folds from the surface of the skin material, and an accented appearance is formed. can do.

  Further, in the three-dimensional fabric product according to the present invention as set forth in claim 4, the fold is provided with a groove portion that can form a crease on the back side of one fabric forming the skin material along the surface direction. It is formed by bending the cloth along the groove.

  That is, in the three-dimensional fabric product according to the fourth aspect of the present invention, since the groove forming portion provided in the skin material is thin and easy to bend, the fabric is bent along the groove. Thus, a fold can be easily formed.

  Further, in the three-dimensional fabric product according to the present invention described in claim 5, the crease has a hole portion having a bottom portion along the thickness direction at a predetermined interval on the back surface side of one fabric forming the skin material. And a plurality of the cloths are formed along the hole.

  That is, in the three-dimensional fabric product according to the fifth aspect of the present invention, since the hole forming portion provided in the skin material is thin and easy to bend, the fabric is bent along the hole. By doing so, a crease can be easily formed.

  Further, in the three-dimensional fabric product according to the present invention described in claim 6, the crease has a constant interval between holes passing through from the back surface side to the front surface side along the thickness direction in one fabric forming the skin material. A plurality are formed, and the dough is formed by bending the plurality of holes along the plurality of holes.

  That is, in the three-dimensional fabric product according to the present invention as set forth in claim 6, a gap portion is formed at a constant interval along the hole portion by the hole portion provided in the skin material at a constant interval. Since it becomes easy to bend | fold, it can form a crease | fold easily by bending the said cloth | dough along the said hole.

  Further, in the three-dimensional fabric product according to the present invention described in claim 7, the crease has a predetermined gap portion along the site where the crease is formed on the back side of one fabric forming the skin material. A plurality of lining materials are fixed, and the dough is formed in the gap portion by bending in the back side direction.

  That is, in the three-dimensional fabric product according to the present invention described in claim 7, the gap portion is formed by fixing a plurality of backing materials with a certain gap portion on the back side of the skin material. Since the portion thus formed is thinner and easier to bend than the other portions because there is no backing material, the fold can be easily formed by bending the fabric along the gap.

  The three-dimensional fabric product according to the present invention described in claim 8 is characterized in that the skin material is leather and a bag is produced.

  That is, in the three-dimensional fabric product according to the eighth aspect of the present invention, a fold can be formed on a bag such as a leather handbag or wallet without sewing a plurality of fabric members.

  The three-dimensional fabric product according to the present invention described in claim 9 is characterized in that the skin material is leather and clothing is produced.

  That is, in the three-dimensional fabric product according to the ninth aspect of the present invention, a crease can be formed in a clothing such as a leather jacket or hat without sewing a plurality of fabric members.

  Moreover, the three-dimensional fabric product according to the present invention described in claim 10 is characterized in that the skin material is a fabric.

  That is, in the three-dimensional fabric product according to the present invention, the crease can be formed without stitching the plurality of fabric members even when the fabric skin material is used.

The three-dimensional fabric product according to the present invention as set forth in claim 11 is characterized in that the skin material is a synthetic resin fabric.
That is, in the three-dimensional fabric product according to the present invention as set forth in claim 11, even if a synthetic resin ground skin material is used, a fold can be formed without sewing a plurality of fabric members. .

  A crease forming method for a three-dimensional fabric product according to the present invention according to claim 12 is formed by a step of placing a skin material for forming a fabric member on a support base, and a material having a hardness higher than that of the skin material. A step of placing a groove portion forming member capable of forming a groove portion having a desired planar shape on the skin material on one side surface portion of the skin material, and a roller toward the skin material from the groove portion forming member. Forming a groove portion along the thickness direction on one side surface side of the skin material by the groove portion forming member by pressurizing and forming a ridge on the other side surface side; and the other side surface portion of the skin material A step of cutting the ridge portion formed on the side along the plane of the other side surface portion of the skin material, and bending along the groove portion to form a crease in the skin material.

In the crease formation method in the three-dimensional fabric product according to the present invention according to claim 12, the skin material is made of a skin material, and a groove portion for forming a crease on the skin material simultaneously when the skin material is spread. Is formed.
The apparatus to be used is a peeling machine that is generally used for spreading a skin material. In addition, it is only necessary to prepare a groove forming member made of a material having a hardness higher than that of the skin material. Is placed between the skin material and the roller of the peeler and pressed by the roller, and the skin having a groove for forming a crease can be easily obtained by cutting off the protruding portion of the other side portion with a cutter of the peeler A material can be formed.

In the invention of claim 13, the groove forming member is constituted by a plate-like member that has a ridge that can form the groove and is placed along the surface direction of the skin material. Features.

In the three-dimensional fabric product according to the first aspect of the present invention, since the folds of the skin material are formed without stitching the plurality of fabric members constituting the skin material, the edges of the plurality of fabric members are connected to each other. The troublesome work of performing “fishing work” and sewing while adjusting the heel can be omitted. Therefore, manufacturing is easy and cost reduction can be achieved.
In addition, since the crease is formed without stitching, the stitch as a result of stitching does not appear on the surface, so the design of the entire fabric member is not restricted, and a design with excellent appearance quality is formed. Can increase product value.
In addition, since the number of dough members to be used is reduced, it is not necessary to prepare a plurality of dough members in advance, and the manufacturing cost can be reduced.

  In the three-dimensional fabric product according to the second aspect of the present invention, since the fold is formed to bulge from the surface of the skin material, the crease can be a novel design having a volumetric three-dimensional effect. it can.

  Further, in the three-dimensional fabric product according to the third aspect of the present invention, since the crease is formed by being depressed from the surface of the skin material, the crease has a novel design having a compact and smart three-dimensional effect. Can do.

  Further, in the three-dimensional fabric product according to the present invention as set forth in claim 4, the fold is provided with a groove portion that can form a crease on the back side of one fabric forming the skin material along the surface direction. Since the cloth is formed by being bent along the groove, the groove forming portion is thin and easy to bend. Therefore, it is easy to fold the cloth by bending the cloth along the groove. It is possible to eliminate the inconvenience of forming a crease by stitching a plurality of fabric members. As a result, a fabric product having folds can be easily manufactured.

  Further, in the three-dimensional fabric product according to the present invention described in claim 5, the crease has a hole portion having a bottom portion along the thickness direction at a predetermined interval on the back surface side of one fabric forming the skin material. The hole portion is formed by bending the fabric along the hole portion, so that the hole forming portion provided in the skin material is thin and easy to be bent. A crease can be easily formed by bending the cloth along the line, and the trouble of forming a crease by stitching a plurality of cloth members can be eliminated.

In the three-dimensional fabric product according to the present invention as set forth in claim 6, the fold has a plurality of holes that penetrate from the back surface side to the front surface side along the thickness direction in a single fabric forming the skin material at regular intervals. Since the dough is formed and bent along the plurality of hole portions, the positions along the hole portions are constant intervals by the hole portions provided in the skin material at constant intervals. Therefore, it becomes easy to bend and the crease can be easily formed by folding the fabric along the hole, and a plurality of fabric members can be sewn together to fold the crease. The complexity of forming can be eliminated.
In the invention described in claim 6, since the hole appears on the surface of the fabric, the hole becomes a design accent.

  Further, in the three-dimensional fabric product according to the present invention described in claim 7, the crease has a predetermined gap portion along the site where the crease is formed on the back side of one fabric forming the skin material. A plurality of backing materials are fixed and the dough is bent in the direction of the back side in the gaps, so that a plurality of gaps are provided on the back side of the skin material. By fixing the lining material, the portion where the gap is formed becomes relatively thinner and easier to bend than the other portions because there is no lining material, so the fabric is bent along the gap. By doing so, a crease can be easily formed, and the trouble of forming a crease by sewing a plurality of fabric members can be eliminated.

  In addition, the three-dimensional fabric product according to the present invention described in claim 8 is the novel material obtained by the high-quality feeling of the material and the three-dimensional effect caused by the fold because the skin material is leather and a bag is manufactured. The high-quality handbags and wallets can be easily manufactured by the simple design.

  Further, the three-dimensional fabric product according to the present invention according to claim 9 is obtained by the high-quality feeling of the material and the three-dimensional effect caused by the fold because the skin material is leather and clothing is produced. The innovative design makes it easy to produce high-quality jackets and hats.

  Further, the three-dimensional fabric product according to the present invention of claim 10 is easy to get close to by the gentleness of the material and the novel design obtained by the three-dimensional effect caused by the folds because the skin material is a fabric. Products can be manufactured easily.

  Further, the three-dimensional fabric product according to the present invention according to claim 11 is characterized in that since the skin material is a synthetic resin fabric, the material is easy to handle and has a novel design obtained by the three-dimensional effect caused by the folds. This makes it possible to easily produce an affordable and easy-to-use product.

  Moreover, in the crease forming method for a three-dimensional fabric product according to the present invention as set forth in claims 12 and 13, the groove portion can be formed simultaneously in the step of spreading the skin material. By folding, the folds can be manufactured very efficiently, and the manufacturing cost can be reduced.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, in the three-dimensional fabric product 11 according to the present embodiment, a fold 13 of the skin material 12 is formed without sewing a plurality of fabric members constituting the skin material 12.
Further, the crease 13 is formed to bulge from the surface of the skin material 12 as shown in FIGS. 1 and 3. The crease 13 may be formed by being depressed from the surface of the skin material 12.
Further, as shown in FIG. 2, the crease 13 is provided with a groove portion 15 that can form the crease 13 along the surface direction on the back side of one piece of fabric 14 that forms the skin material 12, and in FIG. As shown, the dough 14 is bent along the groove 15.
As shown in FIG. 4, the fold line 13 includes a plurality of hole portions 17 having a bottom portion 16 along the thickness direction on the back surface side of one piece of fabric 14 forming the skin material 12. In some cases, the dough 14 is formed along the hole 17 by bending.
Further, as shown in FIG. 5, the fold line 13 is formed with a plurality of hole portions 18 penetrating from the back surface side to the front surface side along the thickness direction in one cloth 14 forming the skin material 12 at a constant interval. In some cases, the fabric 14 is bent along the plurality of holes 18.
Further, as shown in FIG. 6, the crease 13 is provided with a certain gap portion 19 along the portion where the crease 13 is formed on the back side of the single fabric 14 forming the skin material 12. In some cases, the plurality of backing materials 20 and 21 are fixed, and the cloth 14 is bent in the back surface side direction in the gap portion 19.
Moreover, the said skin material 12 is the leather 22, and the bag thing is manufactured. The skin material 12 may be leather, and clothing may be produced. Further, the skin material 12 may be a fabric. The skin material 12 may be a synthetic resin fabric.
Further, according to the method of forming a crease in the three-dimensional fabric product of the present embodiment, as shown in FIGS. 7 to 9, the skin material 25 that forms the fabric 14 is placed on the support base 24 with the back side facing up. At the same time, a step of placing a mold material 27 having a convex portion 26 formed of a material harder than the skin material 25 and projecting downward on the skin material 25, and a roller 29 of a skinning machine 28 on the mold material 27. Forming a concave portion 30 along the thickness direction on the back surface side of the skin material 25 at the convex portion 26 and forming a convex portion 31 on the front surface side, and on the surface side of the skin material 25 By the step of cutting the formed convex portion 31, the groove portion 15 is formed on the back surface side of the skin material 25, and the crease 13 is formed by bending along the groove portion 15.

  1 to 3 show a three-dimensional fabric product 11 according to the first embodiment. As this three-dimensional fabric product 11, a handbag 32 is shown as a representative example of a bag.

  As shown in FIG. 1, the handbag 32 includes a front body portion 33, a rear body portion 34, left and right gusset portions 35 and 36, a bottom portion 37, and a pair of handle portions 38 and 39. The part is opened.

  The skin material 12 in each component part of the handbag 32 is formed of a single cloth 14, and leather 22 is used as the material of the cloth 14.

  As shown in FIG. 1, the handbag 32 is formed so that a fold line 13 is provided in the front body part 33 and the rear body part 34, and the fold line 13 bulges outward.

  Further, as shown in FIG. 1, the crease 13 is formed not in a straight line but in an arc.

  Therefore, the handbag 32 has a volumetric stereoscopic effect and has a novel design.

  The fold lines 13 provided in the front body portion 33 and the rear body portion 34 of the handbag 32 are formed as shown in FIGS.

  First, as shown in FIG. 2, a groove portion 15 is formed along the surface direction on the back surface side of the skin material 12 of the front body portion 33 and the rear body portion 34, and then, as shown in FIG. The fold 13 is formed by bending the skin 12 along the line 15 so as to close the inner surface side.

  The fold line 13 is formed so as to bulge outward. However, if the skin material 12 is bent in the opposite direction along the groove portion 15, the fold line 13 is depressed inward, although not shown. Can be formed.

  Moreover, although the leather 22 is used for the cloth 14 of the skin material 12, it is also possible to carry out using cloth or synthetic resin.

  Next, the handbag 32 as the three-dimensional fabric product 11 according to the second embodiment will be described with reference to FIG. Since the shape of the handbag 32 is the same as that of the handbag 32 according to the first embodiment, description of the shape is omitted, and only differences in structure will be described.

  Leather 22 is also used for the skin material 12 of the handbag 32 according to the second embodiment, and the skin material 12 has a fold line 13 similar to that of the first embodiment, but the formation method of the fold line 13 is different. ing.

  That is, as shown in FIG. 4, a plurality of hole portions 17 having bottom portions 16 along the thickness direction are formed on the back surface of the single fabric 14 forming the skin material 12 at a predetermined interval. The fabric 14 is bent along the hole 17 to form a fold line 13.

  Next, the handbag 32 as the three-dimensional fabric product 11 according to the third embodiment will be described with reference to FIG. Since the shape of the handbag 32 is the same as that of the handbag 32 according to the first embodiment, description of the shape is omitted, and only differences in structure will be described.

  Leather 22 is also used for the skin material 12 of the handbag 32 according to the third embodiment, and the skin material 12 is formed with a fold 13 similar to that of the first embodiment, but the method of forming the fold 13 is different. ing.

  That is, as shown in FIG. 5, a single fabric 14 forming the skin material 12 has a plurality of holes 18 that penetrate through the fabric 14 from the back surface side to the front surface side along the thickness direction at regular intervals. The crease 13 is formed by bending the fabric 14 along the plurality of holes 18.

  Next, the handbag 32 as the three-dimensional fabric product 11 according to the fourth embodiment will be described with reference to FIG. Since the shape of the handbag 32 is the same as that of the handbag 32 according to the first embodiment, description of the shape is omitted, and only differences in structure will be described.

  Leather 22 is also used for the skin material 12 of the handbag 32 according to the third embodiment, and the skin material 12 is formed with a fold 13 similar to that of the first embodiment, but the method of forming the fold 13 is different. ing.

  That is, as shown in FIG. 6, the single fabric 14 forming the skin material 12 is provided with a constant gap portion 19 on the back side of the fabric 14 along the site where the fold line 13 is formed. A plurality of the backing materials 20 and 21 are fixed, and the crease 13 is formed by bending the cloth 14 in the gap portion 19 in the rear surface side direction.

  Example 5 relates to a method for forming a crease in a three-dimensional fabric product. Hereinafter, steps of the method for forming a crease will be described with reference to FIGS. 7 to 9.

  First, as shown in FIG. 7, a skin material 25 that forms the fabric 14 is placed on a support base 24 with the back side facing up, and has a convex portion 26 that projects downward on the skin material 25. A step of placing the mold material 27 is performed. The mold member 27 is made of a material having a hardness higher than that of the skin member 25, such as a metal or a synthetic resin.

  Next, as shown in FIG. 8, a step of pressurizing the mold material 27 with the roller 29 of the peeler 28 is performed. Thereby, since the convex part 26 of the said mold material 27 presses and dents the back surface side of the said skin material 25, the recessed part 30 is formed along the thickness direction in the back surface side of the said skin material 25. FIG. Further, since the meat of the concave portion 30 is pushed out to the surface side, a convex portion 31 is formed on the surface side of the skin material 25.

Next, as shown in FIG. 9, the convex portion 31 formed on the surface side of the skin material 25 is arranged along the general surface of the skin material 25 so as to be flush with the general surface. A step of cutting with the cutter 50 is performed. Thereby, the groove 15 is formed on the back surface side of the skin material 25.
Therefore, the fold 13 can be easily formed by bending along the groove 15.

Next, the operation of the above embodiment will be described.
The front trunk portion 33 and the rear trunk portion 34 of the handbag 32 according to the above embodiment are formed with folds 13 that bulge outward, giving a volumetric stereoscopic effect. It is not formed by stitching the fabric member.
That is, the crease 13 according to the above embodiment is provided with the groove 15, the hole 17, the hole 18, and the gap 19 on the back side of the leather 22 that becomes the fabric 14 of the skin material 12. Since it is formed by folding the leather 22 at those forming portions, stitches do not appear at the forming portion of the crease 13, and a handbag having excellent appearance quality and good appearance is formed.
In addition, since it is formed by bending one piece of fabric 14 and is not formed by joining a plurality of fabric members by stitching, the complexity of the sewing work is eliminated, and a plurality of fabric members are prepared in advance. Therefore, it is not necessary to prepare for the manufacturing process.

In the embodiment of the crease forming method for the three-dimensional fabric product, the groove portion 15 is simultaneously formed in the step of spreading the skin material 25, and the skin material 25 is bent at the groove portion 15, thereby making the crease 13 extremely efficient. Can be manufactured.
Further, as the apparatus to be used, it is only necessary to prepare a mold material 27 having a convex portion 26 which is formed of a material harder than the skin material 25 and protrudes downward, in addition to the above-described skinning machine 28, so that the equipment cost can be reduced. The manufacturing cost can be reduced.

  INDUSTRIAL APPLICABILITY The present invention is applicable to all fabric products including bags and clothing manufactured so that a crease appears using the fabric.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows one embodiment which shows the three-dimensional fabric product which concerns on this invention, and shows the external appearance of the handbag which concerns on Example 1. FIG. Similarly, it is sectional drawing which shows the back surface side of the skin material which concerns on Example 1. FIG. Similarly, it is sectional drawing which shows the skin material in which the crease | fold based on Example 1 was formed. Similarly, it is the perspective view of the back surface side of the skin material which concerns on Example 2. FIG. Similarly, it is the perspective view of the back surface side of the skin material which concerns on Example 3. FIG. Similarly, it is the perspective view of the back surface side of the skin material which concerns on Example 4. FIG. In the crease formation method which concerns on Example 5, it is sectional drawing which shows the process of arrange | positioning a mold material on a skin material. In the crease formation method which concerns on Example 5, it is sectional drawing which shows the process of forming a recessed part and a convex part in the back surface side and surface side of a skin material, respectively. In the crease formation method which concerns on Example 5, it is sectional drawing which shows the process of excising the convex part formed in the surface side of a skin material. It is sectional drawing of the fold formation part of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Three-dimensional fabric product 12 Skin material 13 Fold 14 Dough 15 Groove part 16 Bottom part 17 Hole part 18 Hole part 19 Gap part 20 Lining material 21 Lining material 22 Leather 24 Support base 25 Skin material 26 Convex part 27 Mold material 28 Skinning machine 29 Roller 30 Concave part 31 Convex part 32 Handbag 33 Front torso part 34 Rear torso part 35 gusset part 36 gusset part 37 bottom part 38 handle part 39 handle part 40 handbag 41 skin material 42 dough member 43 dough member 44 joint part 45 crease 46 stitch 50 cutter

Claims (13)

  A three-dimensional fabric product characterized in that a fold of the skin material is formed without stitching a plurality of fabric members constituting the skin material.   2. The three-dimensional fabric product according to claim 1, wherein the fold is formed to bulge from the surface of the skin material.   2. The three-dimensional fabric product according to claim 1, wherein the fold is formed by being depressed from the surface of the skin material.   The crease is formed by forming a groove portion that can form a crease along the surface direction on the back side of one piece of fabric forming the skin material, and bending the fabric along the groove portion. The three-dimensional fabric product according to claim 1, wherein:   The crease is formed with a plurality of hole portions having a bottom portion along the thickness direction on the back surface side of a piece of fabric forming the skin material, and the fabric is bent along the hole portion. The three-dimensional fabric product according to claim 1, wherein the three-dimensional fabric product is formed.   The crease is formed with a plurality of hole portions that penetrate from the back surface side to the front surface side along the thickness direction in a single fabric forming the skin material, and the fabric is formed along the plurality of hole portions. The three-dimensional fabric product according to claim 1, wherein the three-dimensional fabric product is formed by being bent.   A plurality of lining materials are fixed to each other on the back surface side of a piece of fabric forming the skin material along a portion where the crease is formed with a fixed gap portion between the folds, and the fabric in the gap portion. The three-dimensional fabric product according to claim 1, wherein the three-dimensional fabric product is formed by being bent in the rear side direction.   The three-dimensional fabric product according to claim 1, wherein the skin material is leather and a bag is manufactured.   The three-dimensional fabric product according to claim 1, wherein the skin material is leather and clothing is manufactured.   The three-dimensional fabric product according to claim 1, wherein the skin material is a fabric.   The three-dimensional fabric product according to claim 1, wherein the skin material is a synthetic resin fabric. Placing a skin material forming a fabric member on a support base; and
A step of placing a groove forming member formed of a material having a hardness higher than that of the skin material and capable of forming a groove portion having a desired planar shape on the skin material on one side surface portion of the skin material;
A groove is formed along the thickness direction on one side surface side of the skin material by the groove portion forming member by applying pressure from above the groove forming member to the skin material with a roller, and a ridge portion on the other side surface side. Forming a step;
Cutting the ridges formed on the other side surface side of the skin material along the plane of the other side surface portion of the skin material; and
A method for forming a crease in a three-dimensional fabric product, wherein the crease is formed in the skin material by bending along the groove.   13. The three-dimensional fabric product according to claim 12, wherein the groove forming member is constituted by a plate-like member that has a ridge that can form the groove and is placed along the surface direction of the skin material. Forming method of folds in

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