US20230097764A1 - Clothes - Google Patents
Clothes Download PDFInfo
- Publication number
- US20230097764A1 US20230097764A1 US17/908,373 US202117908373A US2023097764A1 US 20230097764 A1 US20230097764 A1 US 20230097764A1 US 202117908373 A US202117908373 A US 202117908373A US 2023097764 A1 US2023097764 A1 US 2023097764A1
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- United States
- Prior art keywords
- joined part
- adhesive
- clothes
- joined
- fabric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004744 fabric Substances 0.000 claims abstract description 92
- 239000000853 adhesive Substances 0.000 claims abstract description 69
- 230000001070 adhesive effect Effects 0.000 claims abstract description 69
- 238000005406 washing Methods 0.000 claims description 13
- 239000011295 pitch Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
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- 239000011347 resin Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000009958 sewing Methods 0.000 description 5
- 239000012943 hotmelt Substances 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229940075065 polyvinyl acetate Drugs 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
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- 229920005992 thermoplastic resin Polymers 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B9/00—Undergarments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/24—Hems; Seams
- A41D27/245—Hems; Seams made by welding or gluing
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/18—Elastic
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B2300/00—Details of shirts, underwear, baby linen or handkerchiefs not provided for in other groups of this subclass
- A41B2300/35—Seams
- A41B2300/52—Seams made by welding or gluing
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2300/00—Details of garments
- A41D2300/50—Seams
- A41D2300/52—Seams made by welding or gluing
Definitions
- This disclosure relates to clothes.
- the joined part between the fabrics is felt to be relatively difficult to stretch when the clothes are actually touched and worn, and thus uncomfortable feeling to the sense of touch and wearing feeling remains, although the numerical elongation properties are provided to the joined part where fabrics are joined together.
- the conventional techniques focused only on the elongation properties at the joined part, whereby the essence of the uncomfortable feeling has not been completely captured when the clothes have been actually touched and worn.
- the cause of the uncomfortable feeling felt when the product is actually touched and worn is that the difference in elongation properties between the joined part and the fabrics adjacent to the joined part is so large that the difference in the outstanding elongation properties of the joined part and the fabrics adjacent to the joined part is felt as the uncomfortable feeling.
- clothes including: fabrics having a stretchability; and a joined part where the fabrics are fixed together using an adhesive.
- a difference between a stress of the joined part at 50% elongation in a longitudinal direction of the joined part and a stress of the fabrics fixed by the joined part at 50% elongation in a direction parallel to the longitudinal direction of the joined part is within 30%.
- the joined part is fixed by a dot adhesive arranged in a single row or multiple rows, and a ratio of an area occupied by the adhesive at the joined part is 35% or less.
- a peeling force at time of opening and peeling the joined part in the longitudinal direction is 10 N/cm or more.
- a peeling force of the joined part in the longitudinal direction after high temperature washing at 92° C. is 75% or more of the peeling force before the washing.
- the joined part is an opening part through which a wearer's human body part passes; and the opening part has a structure in which a fabric edge is folded in two, and the opening part is formed by fixing the fabric edge and a fabric body with a dot adhesive attached in a single row or multiple rows along the fabric edge.
- FIG. 1 is a view illustrating the appearance of clothes according to a first example.
- FIG. 2 is a schematic view of a side joined part in the clothes illustrated in FIG. 1 .
- FIG. 3 is a view illustrating the joined part of the opening part of the clothes illustrated in FIG. 1 through which an arm passes.
- FIG. 4 is a view schematically illustrating how an adhesive arranged at the joined part is attached.
- FIG. 5 is a view illustrating the appearance of clothes according to a second example.
- FIG. 1 is a view schematically illustrating the clothes 1 according to a first example.
- the clothes 1 illustrated in FIG. 1 is an example of the top of a short-sleeved underwear and has opening parts 2 , 3 , and 4 through which a head, arms, and a body pass.
- the clothes 1 are joined at the side, shoulder, and armhole joined parts 5 , 6 , and 7 .
- the clothes 1 are made of stretchable fabrics.
- a circular knitting material and a warp knitting material have a required stretchability and thus materials are not particularly limited as long as the materials are knitted materials provided as the materials for general clothes. Even when the materials are textile materials, materials for clothes have suitable stretchability.
- the clothes 1 can be applied to materials for general underwear and innerwear having cups, and in addition, for outerwear such as T-shirts and cut-and-sews and are not limited thereto.
- FIG. 2 is a view illustrating an example of an aspect of a joined part of the side joined part 5 in the clothes 1 .
- the side joined part 5 is composed by overlapping a fabric edge and a fabric edge and fixing these edges using a dot adhesive 9 between these edges.
- the joined part 5 is composed so that the difference between a stress of the joined part 5 at 50% elongation in the longitudinal direction 10 of the joined part 5 and a stress of the fabric 8 or 8 a fixed by the joined part 5 at 50% elongation in a direction 11 parallel to the longitudinal direction of the joined part 5 is within 30%.
- the clothes 1 is composed so that the difference is preferably set within 25% and more preferably set within 20% and thus the clothes 1 generating no uncomfortable feeling at the joined part 5 and having excellent wearing feeling can be obtained.
- the description is made using the joined part 5 as an example, the above description is also applicable to the joined parts 6 and 7 .
- the elongation rates of the fabrics may differ on both sides of the joined part 7 . In such an example, when the fabric having the lower stress at 50% elongation is used as a comparison target, the difference in elongation properties between the adjacent joined part and the fabric becomes smaller and thus the uncomfortable feeling is less likely to be felt.
- the joined part composed of a structure in which the fabric edge is folded in two and the formed by fixing the fabric edge and the fabric body with the dot adhesive 9 attached in a single row or multiple rows along the fabric edge is also composed so that the difference between a stress of the joined part at 50% elongation in the longitudinal direction of the joined part and a stress of the fabrics fixed by the joined part at 50% elongation in a direction parallel to the longitudinal direction of the joined part is within 30%.
- FIG. 3 is a view illustrating the joined part of the opening part 3 of the clothes 1 through which an arm passes.
- the opening part 3 is a structure in which the fabric edge is folded in two. The folded fabric edge and the fabric body are fixed by the adhesive 9 that is arranged in two rows at the fabric edge.
- the opening part 3 is also composed so that the difference between a stress of the joined part at 50% elongation in the longitudinal direction 16 of the joined part and a stress of the fabric 18 in which the fabric edge and the fabric body are fixed by the joined part at 50% elongation in a direction 17 parallel to the longitudinal direction of the joined part is within 30%, whereby the clothes 1 generating no uncomfortable feeling at the joined part and having excellent wearing feeling can be obtained.
- the stress at 50% elongation is important.
- elongation properties are frequently represented by an elongation ratio at a load of 1.5 kg.
- the elongation load to this level is rarely applied when the clothes 1 are actually worn or light exercise is performed.
- the elongation required for actually wearing the clothes 1 is an elongation ratio of about 50% and thus the difference in the stresses in this region is important.
- the direction of stretch of a single fabric stretching the single fabric in a direction parallel to the longitudinal direction of the comparing joined part 5 in the state of the clothes 1 is important.
- the direction of elongation is not always a warp direction or a weft direction of the fabric.
- the direction differs depending on the cut shape of the fabric composing the clothes 1 and the direction where the fabric is taken.
- the measurement method of the stress at 50% elongation is performed in accordance with the grab method of elongation rate described in JIS-L-1096 ( 2010 ).
- the measurement may be performed by reducing the sample size to 5 cm in width and 10 cm in length and setting the gripping spacing to 5 cm.
- the sample may be taken by joining the joined part and the fabric region connecting to the joined part. In an aspect in which fabric edges are overlapped and joined, the sample is taken so that the joined part is centered. On the other hand, in an aspect in which the fabric edge is folded and connected, the same is true for collectively taking the sample the joined part and the fabric region connecting to the joined part. It is important that the adhesive region is gripped when the sample is gripped with a tensile tester. The sample is gripped at the position where the edge of the grip and the folded edge are aligned as much as possible and the measurement is performed.
- a sample may be taken at any part of the same fabric as long as the part is in a direction parallel to the longitudinal direction of the joined part. It is important that the sample does not include other components including the joined part that worsen the elongation properties.
- the adhesive 9 is arranged in two rows of dots along the edge of the fabric 8 or 8 a .
- the preferable size of the adhesive 9 is different depending on the structure and thickness of the fabrics 8 and 8 a composing the clothes 1 . Dots having a diameter of about 1.0 mm to about 2.0 mm can easily provide relatively strong adhesive strength. However, in a thin fabric, the adhesive may seep through to the front side of the fabric and stand out and thus appearance may deteriorate. Consequently, the dots are preferably smaller in a range where required bonding strength is achieved.
- an adhesive having a diameter of 1.0 mm or less is preferable because the adhesive is less likely to seep through to the front side of the fabric.
- an adhesive having a diameter of 0.6 mm or less is preferable because the seepage of the adhesive is less likely to stand out.
- the adhesive 9 is in the shape of a circle in the first example but is not limited to this shape.
- the shape of the adhesive 9 may be any shape as long as the adhesive 9 can be repeatedly attached in a separated state.
- the shape may be a linear shape as long as the linear shape is not continuous.
- the shape may also be geometric shapes such as triangular, square, oval, or the like and may also be a combination of these shapes.
- Synthetic resins are more preferable than natural resins as the resins that compose the adhesive 9 used in the clothes 1 .
- thermoplastic resins are more preferable.
- the resins are not particularly limited as long as the resins are made of macromolecule compounds such as polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyvinyl ace-tate, polyurethane, polytetrafluoroethylene, polyacrylic, polyamide, polyacetal, polycarbonate, polyphenylene ether, polyester, polyphenylene sulfide, polysulfone, polyethersulfone, poly-etheretherketone, polyimide, and polyamideimide and various macromolecule compounds can be used.
- the resin composing the adhesive 9 is preferably a reactive hot melt.
- the resin is the reactive hot melt, an adhesive structure having excellent heat resistance, solvent resistance and the like can be formed by softening or melting the resin to penetrate between structures at the bonding sites, cooling and solidifying the resin, and thereafter developing cross-linking by reacting the resin with the surrounding moisture.
- the ratio of an area where the adhesive 9 is attached at the joined part is 35% or less.
- the area is preferably 30% or less and more preferably 25% or less. This allows the difference between the stress of the joined part at 50% elongation in the longitudinal direction and the stress of the fabrics fixed by the joined part at 50% elongation in the direction parallel to the joined part to be easily retained within 30% and thus the uncomfortable feeling can be reduced.
- the ratio of the area where the adhesive is attached at the joined part is preferably 5% or more from the viewpoint of retaining the bonding strength at the joined part. The ratio is more preferably 10% or more and further preferably 15% or more.
- FIG. 4 is a view schematically illustrating how the adhesive 9 arranged at the joined part is attached.
- the ratio of the area of adhesive 9 at the joined part can be calculated from the following formula as the ratio of the area of the adhesive 9 in the area determined from the width 12 of the joined part and the pitch 13 at which the adhesive 9 is attached:
- Ratio of area of adhesive in joined part ((Area of adhesive between unit pitches)/(Width 12 of joined part x Pitch 13 at which adhesive is attached)) ⁇ 100%.
- the ratio can be produced from the area of adhesive attached in the gripping spacing in the stress measurement method at 50% elongation described above and is determined to be an average value measured at any five positions. Namely, as follows:
- Ratio of area of adhesive in joined part ((Area of adhesive attached in gripping spacing)/(Width 12 of joined part x Gripping spacing)) ⁇ 100%.
- the peeling force when the joined part is opened and peeled off in the longitudinal direction is 10 N/cm or more.
- the peeling force is more preferably 20 N/cm or more.
- reduction in the area occupied by the adhesive at the joined part may be exemplified.
- the peeling force is preferably 10 N/cm or more and preferably 20 N/cm or more in terms of per 1 cm width of the joined part.
- the strength when the joined part is pulled in the direction orthogonal to the longitudinal direction of the joined part is used.
- the desired pulling test may not be reproducible depending on the design of the clothes. Consequently, it is suitable that the peeling force when the joined part is opened and peeled in the longitudinal direction of the joined part is evaluated as the bonding strength.
- the method of measurement is performed in accordance with the test method for peeling strength described in JIS-L-1086 ( 2013 ) and the obtained results are represented by converting the peeling strength per width of the joined part into the peeling strength per 1 cm.
- peeling force measured by opening and peeling the joined part in a longitudinal direction after high-temperature washing at 92° C. is preferably 75% or more of the peeling force before the washing. This ratio is more preferably 80% or more and further preferably 90% or more.
- the washing method is equivalent to 5-times washing of the 9 N method specified in JIS-L-1930 ( 2014 ). This allows sufficient durability to be secured even when the repeated wear and washing are performed when the area occupied by the adhesive 9 is reduced to reduce the above-described stress at 50% elongation. In addition, the clothes 1 can secure sufficient durability to the high temperature washing that is commonly performed in Europe.
- FIG. 5 is a view illustrating the form of the clothes according to the second example.
- the clothes 20 illustrated in FIG. 5 are an example of an underwear such as a pair of shorts having opening parts 22 and 23 through which the body and both legs pass.
- the clothes 20 are also joined at the side joined parts 21 . It goes without saying that in the second example, the same point of view as the first example can be adopted to achieve the desired effects.
- the dot adhesive 9 having a diameter of 0.8 mm (1 mm after bonding) was applied along the edge of a fabric for the neckline opening 2 and the fabric edge was folded in two in the manner illustrated in FIG. 3 .
- the adhesive 9 was applied in three rows. Both of the pitch of the row spacing and the pitch in the longitudinal direction of the application were set to a spacing of 2 mm.
- the width of the region to which adhesive 9 was applied was 5 mm.
- the folded width of the fabric edge was set to 7 mm.
- the test specimen of Example 1 was obtained by bonding the fabric edge with a general flat plate heat press machine.
- As the adhesive a reactive hot melt PU resin having a viscosity of about 12,000 mPas at 120° C. was used.
- the obtained test specimen was evaluated for an elongation ratio at 1.5 Kg load, stress difference at 50% elongation between the joined part and the fabric, peeling force, peeling force retention ratio after high temperature washing, and resistance feeling when the joined part was stretched.
- the results are listed in Table 1.
- the resistance feeling when the joined part is stretched is the uncomfortable feeling when a fabric including the joined part is stretched by hand “o” means that the joined part is stretched together with the fabric when the fabric is stretched and no resistance exists, whereas “x” means that resistance exists at the joined part when the fabric is stretched.
- the dot adhesive 9 having a diameter of 0.8 mm (1 mm after bonding) was applied along the edge of a fabric for the side joined part 5 .
- the adhesive was applied in three rows.
- the pitch of the row spacing was set to 2 mm and the pitch in the longitudinal direction of the adhesive application was set to 1.8 mm.
- the structure of joined part 5 was determined to be an aspect in which the adjacent fabrics were overlapped as illustrated in FIG. 2 .
- the number of rows and the application pitch of the adhesive 9 were the same as those in Example 1.
- the overlap width between the adjacent fabrics was set to 7 mm.
- the bonding was performed by the same method as the method in Example 1 to give a test specimen of Example 2. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- Example 3 The test specimen of Example 3 was obtained by the same manner as the manner in Example 2 except that the pitch of the application of the adhesive 9 in the longitudinal direction was set to 1.6 mm. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- Example 4 The test specimen of Example 4 was obtained by the same manner as the manner in Example 1 except that the diameter of the adhesive 9 was set to 0.4 mm (0.5 mm after bonding). The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- the side joined part 21 is composed in an overlapped aspect as illustrated in FIG. 2 .
- the joined part in which the dot adhesive having a diameter of 2.0 mm was applied in a region having a width of 5 mm in two rows and in a pitch in a longitudinal direction of 2.0 mm was used as the test specimen of Comparative Example 2. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- Comparative Example 3 in a commonly sold underwear as illustrated in FIG. 1 , a joined part in which a shoulder joined part was formed by bonding in a zig-zag pattern was used as the test specimen of Comparative Example 3. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- Comparative Example 4 the specimen was obtained in the same manner as the manner in Example 1 except that the pitch of the adhesive application in the longitudinal direction was set to 1.0 mm. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Details Of Garments (AREA)
Abstract
Description
- This disclosure relates to clothes.
- Conventionally, a technique of joining fabrics together by an adhesive instead of join-ing fabrics together by using a sewing machine to compose clothes has been known. For example, in Japanese Patent Application Laid-open No. 2005-264394, a related technique of composing the hem part of a swimsuit or the like by bonding outer fabrics together with a hot-melt sheet when the outer fabrics such as the hem of a swimsuit or the like are folded has been developed.
- On the other hand, as a technique of providing elongation properties to a joined part where fabrics are joined together using an adhesive, a technique of joining fabrics composing clothes together using an adhesive attached in the form of dots has been known. For example, in Japanese Patent No. 6249821, a technique of bonding fabrics together with an adhesive repeatedly provided in a dot or zigzag shape has been developed when the body and sleeves of an undershirt are joined.
- Even for clothes composed using those techniques, however, the joined part between the fabrics is felt to be relatively difficult to stretch when the clothes are actually touched and worn, and thus uncomfortable feeling to the sense of touch and wearing feeling remains, although the numerical elongation properties are provided to the joined part where fabrics are joined together. This is because the conventional techniques focused only on the elongation properties at the joined part, whereby the essence of the uncomfortable feeling has not been completely captured when the clothes have been actually touched and worn. In other words, the cause of the uncomfortable feeling felt when the product is actually touched and worn is that the difference in elongation properties between the joined part and the fabrics adjacent to the joined part is so large that the difference in the outstanding elongation properties of the joined part and the fabrics adjacent to the joined part is felt as the uncomfortable feeling. Even when the elongation properties of the joined part are excellent, the sense of touch and wearing feeling have not been always satisfactory. In particular, not only when the closes are worn but also in the sense of resistance and hand feeling in a relatively low-stretch region such as when the clothes are held by hands and lightly stretched, the elongation properties of the adjacent fabrics usually have a further better state even if the elongation properties of the joined part are excellent. Consequently, the outstanding difference between the joined part and the adjacent fabrics has caused uncomfortable feeling to be generated. In particular, when the edge of the opening part is folded back and fixed with an adhesive, the difference in the elongation properties between the joined part and the fabrics adjacent to the joined part is easily felt when the clothes are worn and thus this difference has caused deterioration in the wearing feeling.
- It could therefore be helpful to provide clothes that can improve an uncomfortable feeling when the joined part is actually touched and the clothes are worn, even when fabrics are joined using an adhesive to compose the clothes.
- We thus provide clothes including: fabrics having a stretchability; and a joined part where the fabrics are fixed together using an adhesive. A difference between a stress of the joined part at 50% elongation in a longitudinal direction of the joined part and a stress of the fabrics fixed by the joined part at 50% elongation in a direction parallel to the longitudinal direction of the joined part is within 30%.
- The joined part is fixed by a dot adhesive arranged in a single row or multiple rows, and a ratio of an area occupied by the adhesive at the joined part is 35% or less.
- A peeling force at time of opening and peeling the joined part in the longitudinal direction is 10 N/cm or more.
- A peeling force of the joined part in the longitudinal direction after high temperature washing at 92° C. is 75% or more of the peeling force before the washing.
- The joined part is an opening part through which a wearer's human body part passes; and the opening part has a structure in which a fabric edge is folded in two, and the opening part is formed by fixing the fabric edge and a fabric body with a dot adhesive attached in a single row or multiple rows along the fabric edge.
- We thus provide the clothes that can improve uncomfortable feeling when the joined part is actually touched and the clothes are worn, even when fabrics are joined using an adhesive to compose the clothes.
-
FIG. 1 is a view illustrating the appearance of clothes according to a first example. -
FIG. 2 is a schematic view of a side joined part in the clothes illustrated inFIG. 1 . -
FIG. 3 is a view illustrating the joined part of the opening part of the clothes illustrated inFIG. 1 through which an arm passes. -
FIG. 4 is a view schematically illustrating how an adhesive arranged at the joined part is attached. -
FIG. 5 is a view illustrating the appearance of clothes according to a second example. -
- 1 Clothes
- 2 Opening part through which head passes
- 3 Opening part through which arm passes
- 4 Opening part through which body passes
- 5 Side joined part
- 6 Shoulder joined part
- 7 Armhole joined part
- 8, 8 a, 18 Fabric
- 9 Adhesive
- 10, 16 Longitudinal direction of joined part
- 11, 17 Direction parallel to longitudinal direction of joined part
- 12 Width of joined part
- 13 Pitch where adhesive is attached
- 20 Clothes
- 21 Side joined part
- 22 Opening part through which body passes
- 23 Opening part through which leg passes
- Hereinafter, our clothes (hereinafter, referred to as “examples”) will be described with reference to the attached drawings. The drawings are merely schematic.
-
FIG. 1 is a view schematically illustrating theclothes 1 according to a first example. Theclothes 1 illustrated inFIG. 1 is an example of the top of a short-sleeved underwear and has openingparts clothes 1 are joined at the side, shoulder, and armhole joinedparts - The
clothes 1 are made of stretchable fabrics. For example, a circular knitting material and a warp knitting material have a required stretchability and thus materials are not particularly limited as long as the materials are knitted materials provided as the materials for general clothes. Even when the materials are textile materials, materials for clothes have suitable stretchability. Theclothes 1 can be applied to materials for general underwear and innerwear having cups, and in addition, for outerwear such as T-shirts and cut-and-sews and are not limited thereto. -
FIG. 2 is a view illustrating an example of an aspect of a joined part of the side joinedpart 5 in theclothes 1. In theclothes 1, instead of sewing afabric 8 and afabric 8 a composing the main front piece and the main back piece together using a sewing machine, the side joinedpart 5 is composed by overlapping a fabric edge and a fabric edge and fixing these edges using a dot adhesive 9 between these edges. The joinedpart 5 is composed so that the difference between a stress of the joinedpart 5 at 50% elongation in thelongitudinal direction 10 of the joinedpart 5 and a stress of thefabric part 5 at 50% elongation in adirection 11 parallel to the longitudinal direction of the joinedpart 5 is within 30%. This allows thejoined part 5 to be less likely to be felt as a hard-to-stretch part and thus the uncomfortable feeling during wearing to be reduced when theclothes 1 is actually touched and worn. Theclothes 1 is composed so that the difference is preferably set within 25% and more preferably set within 20% and thus theclothes 1 generating no uncomfortable feeling at thejoined part 5 and having excellent wearing feeling can be obtained. Although the description is made using the joinedpart 5 as an example, the above description is also applicable to the joinedparts part 7, the elongation rates of the fabrics may differ on both sides of the joinedpart 7. In such an example, when the fabric having the lower stress at 50% elongation is used as a comparison target, the difference in elongation properties between the adjacent joined part and the fabric becomes smaller and thus the uncomfortable feeling is less likely to be felt. - In addition, in the
opening parts dot adhesive 9 attached in a single row or multiple rows along the fabric edge is also composed so that the difference between a stress of the joined part at 50% elongation in the longitudinal direction of the joined part and a stress of the fabrics fixed by the joined part at 50% elongation in a direction parallel to the longitudinal direction of the joined part is within 30%. -
FIG. 3 is a view illustrating the joined part of theopening part 3 of theclothes 1 through which an arm passes. Theopening part 3 is a structure in which the fabric edge is folded in two. The folded fabric edge and the fabric body are fixed by the adhesive 9 that is arranged in two rows at the fabric edge. Theopening part 3 is also composed so that the difference between a stress of the joined part at 50% elongation in thelongitudinal direction 16 of the joined part and a stress of thefabric 18 in which the fabric edge and the fabric body are fixed by the joined part at 50% elongation in adirection 17 parallel to the longitudinal direction of the joined part is within 30%, whereby theclothes 1 generating no uncomfortable feeling at the joined part and having excellent wearing feeling can be obtained. - With respect to the
clothes 1, the stress at 50% elongation is important. In general, as an index representing the elongation ratio of the clothes materials, elongation properties are frequently represented by an elongation ratio at a load of 1.5 kg. However, the elongation load to this level is rarely applied when theclothes 1 are actually worn or light exercise is performed. The elongation required for actually wearing theclothes 1 is an elongation ratio of about 50% and thus the difference in the stresses in this region is important. - As the direction of stretch of a single fabric, stretching the single fabric in a direction parallel to the longitudinal direction of the comparing joined
part 5 in the state of theclothes 1 is important. In other words, the direction of elongation is not always a warp direction or a weft direction of the fabric. The direction differs depending on the cut shape of the fabric composing theclothes 1 and the direction where the fabric is taken. - The measurement method of the stress at 50% elongation is performed in accordance with the grab method of elongation rate described in JIS-L-1096 (2010). When a sample having a desired size cannot be taken depending on the design of the
clothes 1, the measurement may be performed by reducing the sample size to 5 cm in width and 10 cm in length and setting the gripping spacing to 5 cm. For the stress measurement at the joined part, the sample may be taken by joining the joined part and the fabric region connecting to the joined part. In an aspect in which fabric edges are overlapped and joined, the sample is taken so that the joined part is centered. On the other hand, in an aspect in which the fabric edge is folded and connected, the same is true for collectively taking the sample the joined part and the fabric region connecting to the joined part. It is important that the adhesive region is gripped when the sample is gripped with a tensile tester. The sample is gripped at the position where the edge of the grip and the folded edge are aligned as much as possible and the measurement is performed. - In addition, in the stress measurement of the single fabric, a sample may be taken at any part of the same fabric as long as the part is in a direction parallel to the longitudinal direction of the joined part. It is important that the sample does not include other components including the joined part that worsen the elongation properties.
- In the joined
part 5 of theclothes 1, the adhesive 9 is arranged in two rows of dots along the edge of thefabric fabrics clothes 1. Dots having a diameter of about 1.0 mm to about 2.0 mm can easily provide relatively strong adhesive strength. However, in a thin fabric, the adhesive may seep through to the front side of the fabric and stand out and thus appearance may deteriorate. Consequently, the dots are preferably smaller in a range where required bonding strength is achieved. In an inner fabric having a fabric thickness of about 0.5 mm to about 0.8 mm, an adhesive having a diameter of 1.0 mm or less is preferable because the adhesive is less likely to seep through to the front side of the fabric. In further thinner fabrics having a fabric thickness of about 0.3 mm to about 0.5 mm, an adhesive having a diameter of 0.6 mm or less is preferable because the seepage of the adhesive is less likely to stand out. The adhesive 9 is in the shape of a circle in the first example but is not limited to this shape. The shape of the adhesive 9 may be any shape as long as the adhesive 9 can be repeatedly attached in a separated state. The shape may be a linear shape as long as the linear shape is not continuous. The shape may also be geometric shapes such as triangular, square, oval, or the like and may also be a combination of these shapes. - Synthetic resins are more preferable than natural resins as the resins that compose the adhesive 9 used in the
clothes 1. Of these resins, thermoplastic resins are more preferable. For example, the resins are not particularly limited as long as the resins are made of macromolecule compounds such as polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyvinyl ace-tate, polyurethane, polytetrafluoroethylene, polyacrylic, polyamide, polyacetal, polycarbonate, polyphenylene ether, polyester, polyphenylene sulfide, polysulfone, polyethersulfone, poly-etheretherketone, polyimide, and polyamideimide and various macromolecule compounds can be used. - The resin composing the adhesive 9 is preferably a reactive hot melt. When the resin is the reactive hot melt, an adhesive structure having excellent heat resistance, solvent resistance and the like can be formed by softening or melting the resin to penetrate between structures at the bonding sites, cooling and solidifying the resin, and thereafter developing cross-linking by reacting the resin with the surrounding moisture.
- In the
clothes 1, it is important that the ratio of an area where the adhesive 9 is attached at the joined part is 35% or less. The area is preferably 30% or less and more preferably 25% or less. This allows the difference between the stress of the joined part at 50% elongation in the longitudinal direction and the stress of the fabrics fixed by the joined part at 50% elongation in the direction parallel to the joined part to be easily retained within 30% and thus the uncomfortable feeling can be reduced. The ratio of the area where the adhesive is attached at the joined part is preferably 5% or more from the viewpoint of retaining the bonding strength at the joined part. The ratio is more preferably 10% or more and further preferably 15% or more. -
FIG. 4 is a view schematically illustrating how the adhesive 9 arranged at the joined part is attached. The ratio of the area of adhesive 9 at the joined part can be calculated from the following formula as the ratio of the area of the adhesive 9 in the area determined from thewidth 12 of the joined part and thepitch 13 at which the adhesive 9 is attached: - Ratio of area of adhesive in joined part=((Area of adhesive between unit pitches)/(
Width 12 of joinedpart x Pitch 13 at which adhesive is attached))×100%. - In addition, when the pitch at which the adhesive 9 is attached at the joined part is not uniform can be considered. In such an example, the ratio can be produced from the area of adhesive attached in the gripping spacing in the stress measurement method at 50% elongation described above and is determined to be an average value measured at any five positions. Namely, as follows:
- Ratio of area of adhesive in joined part=((Area of adhesive attached in gripping spacing)/(
Width 12 of joined part x Gripping spacing))×100%. - With respect to the
clothes 1, it is important that the peeling force when the joined part is opened and peeled off in the longitudinal direction is 10 N/cm or more. The peeling force is more preferably 20 N/cm or more. To reduce the stress of the joined part at 50% elongation described above, reduction in the area occupied by the adhesive at the joined part may be exemplified. However, this results in also reducing the peeling force at the joined part and causing peeling after repeated wear and washing and thus may easily cause a problem. From this result, to secure durability as theclothes 1, the peeling force is preferably 10 N/cm or more and preferably 20 N/cm or more in terms of per 1 cm width of the joined part. - In general, as an indicator of the strength of the joined part represented by sewing with a sewing machine, the strength when the joined part is pulled in the direction orthogonal to the longitudinal direction of the joined part is used. However, the desired pulling test may not be reproducible depending on the design of the clothes. Consequently, it is suitable that the peeling force when the joined part is opened and peeled in the longitudinal direction of the joined part is evaluated as the bonding strength. The method of measurement is performed in accordance with the test method for peeling strength described in JIS-L-1086 (2013) and the obtained results are represented by converting the peeling strength per width of the joined part into the peeling strength per 1 cm.
- With respect to the
clothes 1, peeling force measured by opening and peeling the joined part in a longitudinal direction after high-temperature washing at 92° C. is preferably 75% or more of the peeling force before the washing. This ratio is more preferably 80% or more and further preferably 90% or more. The washing method is equivalent to 5-times washing of the 9N method specified in JIS-L-1930 (2014). This allows sufficient durability to be secured even when the repeated wear and washing are performed when the area occupied by the adhesive 9 is reduced to reduce the above-described stress at 50% elongation. In addition, theclothes 1 can secure sufficient durability to the high temperature washing that is commonly performed in Europe. -
FIG. 5 is a view illustrating the form of the clothes according to the second example. Theclothes 20 illustrated inFIG. 5 are an example of an underwear such as a pair of shorts having openingparts clothes 20 are also joined at the side joinedparts 21. It goes without saying that in the second example, the same point of view as the first example can be adopted to achieve the desired effects. - The examples for implementing our concepts have been described above. This disclosure should not be limited by the examples described above. For example, the same effect may be provided to openings and other joined parts of clothes such as hats, arm covers, and clothes with cups.
- In a
clothes 1 that was a common underwear as illustrated inFIG. 1 , thedot adhesive 9 having a diameter of 0.8 mm (1 mm after bonding) was applied along the edge of a fabric for theneckline opening 2 and the fabric edge was folded in two in the manner illustrated inFIG. 3 . The adhesive 9 was applied in three rows. Both of the pitch of the row spacing and the pitch in the longitudinal direction of the application were set to a spacing of 2 mm. The width of the region to which adhesive 9 was applied was 5 mm. The folded width of the fabric edge was set to 7 mm. The test specimen of Example 1 was obtained by bonding the fabric edge with a general flat plate heat press machine. As the adhesive, a reactive hot melt PU resin having a viscosity of about 12,000 mPas at 120° C. was used. - The obtained test specimen was evaluated for an elongation ratio at 1.5 Kg load, stress difference at 50% elongation between the joined part and the fabric, peeling force, peeling force retention ratio after high temperature washing, and resistance feeling when the joined part was stretched. The results are listed in Table 1. The resistance feeling when the joined part is stretched is the uncomfortable feeling when a fabric including the joined part is stretched by hand “o” means that the joined part is stretched together with the fabric when the fabric is stretched and no resistance exists, whereas “x” means that resistance exists at the joined part when the fabric is stretched.
- In a
clothes 1 that was a common underwear as illustrated inFIG. 1 , thedot adhesive 9 having a diameter of 0.8 mm (1 mm after bonding) was applied along the edge of a fabric for the side joinedpart 5. At this time, the adhesive was applied in three rows. The pitch of the row spacing was set to 2 mm and the pitch in the longitudinal direction of the adhesive application was set to 1.8 mm. The structure of joinedpart 5 was determined to be an aspect in which the adjacent fabrics were overlapped as illustrated inFIG. 2 . The number of rows and the application pitch of the adhesive 9 were the same as those in Example 1. The overlap width between the adjacent fabrics was set to 7 mm. The bonding was performed by the same method as the method in Example 1 to give a test specimen of Example 2. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1. - The test specimen of Example 3 was obtained by the same manner as the manner in Example 2 except that the pitch of the application of the adhesive 9 in the longitudinal direction was set to 1.6 mm. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- The test specimen of Example 4 was obtained by the same manner as the manner in Example 1 except that the diameter of the adhesive 9 was set to 0.4 mm (0.5 mm after bonding). The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
- In a commonly sold underwear as illustrated in
FIG. 1 , a side joined part was used as the test specimen of Comparative Example 1 with respect to an underwear in which the side joined part was joined by a tape-like adhesive. - In a pair of commonly sold shorts as illustrated in
FIG. 5 , the side joinedpart 21 is composed in an overlapped aspect as illustrated inFIG. 2 . The joined part in which the dot adhesive having a diameter of 2.0 mm was applied in a region having a width of 5 mm in two rows and in a pitch in a longitudinal direction of 2.0 mm was used as the test specimen of Comparative Example 2. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1. - In Comparative Example 3, in a commonly sold underwear as illustrated in
FIG. 1 , a joined part in which a shoulder joined part was formed by bonding in a zig-zag pattern was used as the test specimen of Comparative Example 3. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1. - In Comparative Example 4, the specimen was obtained in the same manner as the manner in Example 1 except that the pitch of the adhesive application in the longitudinal direction was set to 1.0 mm. The results that were evaluated in the same manner as the manner in Example 1 are listed in Table 1.
-
TABLE 1 Comparative Comparative Comparative Comparative Example 1 Example 2 Example 3 Example 4 Example 1 Example 2 Example 3 Example 4 Shape of adhesive Dots Dots Dots Dots Tape Dots Zigzag Dots (planar) Structure of joined part Folding Over- Over- Folding Over- Over- Over- Folding fabric lapping lapping fabric lapping lapping lapping fabric edge edge edge in two in two in two Width of joined part mm 5.0 5.0 5.0 5.0 8.0 5.0 6.0 5.0 Pitch of adhesive mm 2.0 1.8 1.6 2.0 — 2.0 2.5 1.0 (longitudinal direction) Diameter (width) of mm 1.0 1.0 1.0 0.5 8.0 mm 2.0 1.0 mm 1.0 adhesive Width Width Ratio of area of adhesive % 23.6% 26.1% 29.4% 5.9% 100.0% 62.8% 43.0% 47.1% Elongation ratio at % 175% 111% 102% 176% 110% 104% 203% 155% 1.5 kg load Stress difference between % 18.4% 22.0% 24.2% 11.5% 70.2% 53.8% 47.1% 32.4% joined part and single fabric at 50% elongation Converted value N/cm 21.6 22.0 22.0 8.8 8.6 31.4 24.2 23.5 of peeling force Peeling force retention % 81.8% 80.5% 81.2% 75.0% 64.3% 75.0% 87.0% 81.0% ratio after washing Resistance feeling when ∘ ∘ ∘ ∘ x x x x stretching joined part
Claims (6)
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JP2020-036129 | 2020-03-03 | ||
PCT/JP2021/007375 WO2021177172A1 (en) | 2020-03-03 | 2021-02-26 | Clothing |
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EP (1) | EP4115759A4 (en) |
JP (1) | JPWO2021177172A1 (en) |
KR (1) | KR20220146610A (en) |
CN (1) | CN115243577A (en) |
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WO (1) | WO2021177172A1 (en) |
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JPS5641720A (en) | 1979-09-10 | 1981-04-18 | Tokyo Shibaura Electric Co | Gate circuit of thyristor converter |
JP2003253510A (en) * | 2002-03-05 | 2003-09-10 | Gunze Ltd | Wear |
US20050000622A1 (en) * | 2003-05-30 | 2005-01-06 | Cano Carlos Alberto | Method of producing garment blanks having seamless trim |
JP2005264394A (en) | 2004-03-19 | 2005-09-29 | Goldwin Technical Center:Kk | Clothes and method for producing the same |
JP2008101304A (en) * | 2006-10-20 | 2008-05-01 | Morito Co Ltd | Seamless garment |
JP6249821B2 (en) | 2013-03-05 | 2017-12-20 | グンゼ株式会社 | Undershirt |
JP6347716B2 (en) * | 2014-10-06 | 2018-06-27 | グンゼ株式会社 | clothing |
JP3210964U (en) * | 2017-04-04 | 2017-06-15 | 日回style株式会社 | underwear |
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2021
- 2021-02-26 KR KR1020227033784A patent/KR20220146610A/en unknown
- 2021-02-26 US US17/908,373 patent/US20230097764A1/en active Pending
- 2021-02-26 CN CN202180018068.0A patent/CN115243577A/en active Pending
- 2021-02-26 JP JP2022505179A patent/JPWO2021177172A1/ja active Pending
- 2021-02-26 EP EP21765239.5A patent/EP4115759A4/en active Pending
- 2021-02-26 WO PCT/JP2021/007375 patent/WO2021177172A1/en unknown
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US20030121586A1 (en) * | 2001-12-11 | 2003-07-03 | 3M Innovative Properties Company | Tack-on-pressure films for temporary surface protection and surface modification |
US20090233042A1 (en) * | 2005-09-20 | 2009-09-17 | Hiroki Sadato | Sealing tape and textile product using the same |
US20110289647A1 (en) * | 2010-05-26 | 2011-12-01 | Avery Dennison Corporation | Pressure sensitive labels for use in a cold transfer method and process for making |
US20180057983A1 (en) * | 2015-04-22 | 2018-03-01 | Carl Freudenberg Kg | Thermofusible sheet material |
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TW202139869A (en) | 2021-11-01 |
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KR20220146610A (en) | 2022-11-01 |
EP4115759A4 (en) | 2024-03-27 |
JPWO2021177172A1 (en) | 2021-09-10 |
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