Shoulder strap of jacket for sports

Abstract

The invention provides a shoulder strap of a jacket for sports, which is capable of appropriately lifting the body of the jacket by the shoulder strap and dispersing the wearing pressure applied to the shoulders of a wearer at the same time. A shoulder strap of a swimsuit for a swimming game has an extension-side stress of 7.7 N or more and 28 N or less when the shoulder strap is extended by 30%, is connected to the front side and the rear side of the torso part of the swimsuit for a swimming game, and has an opening extending in the longitudinal direction along a center line C1 at a position including the center line C1 in the width direction of the shoulder strap. In the longitudinal direction of the shoulder strap, the opening portion is longer than the non-opened portion of the shoulder strap, and the width (W3) of each of an inner portion located on the inner side in the width direction and an outer portion located on the outer side across the opening portion is set to be 1 / 3 or more and 1 / 2 or less of the width (W1) of the shoulder strap.

Description

Technical Field

[0001] The invention relates to shoulder straps for sportswear. Background Art

[0002] Patent Document 1 discloses a shoulder strap for clothes having a plurality of holes disposed offset to one side from the center in the width direction of the shoulder strap in order to prevent the clothes from sliding down. Thus, the tightening force (tensile stress) on the inner side from the center in the width direction of the shoulder strap is lower than the tightening force on the outer side from the center in the width direction of the shoulder strap, thereby reducing the wearing pressure on the shoulders of the wearer by reducing the tightening force (tensile stress) on the inner side from the center in the width direction of the shoulder strap.

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2002-138303 Summary of the invention

[0006] Technical issues

[0007] However, for example, since the wearing pressure of a swimming competition swimsuit as a sports top is higher than that of a normal swimsuit or even the wearing pressure of clothing, the wearing pressure applied to the shoulders by the shoulder straps tends to increase. Therefore, as shown in Patent Document 1, it is difficult to obtain a sufficient effect of reducing the wearing pressure of the shoulder straps of the swimming competition swimsuit by simply providing a plurality of holes in the longitudinal direction of the shoulder straps.

[0008] In addition, if the tensile stress of the shoulder straps is reduced as in Patent Document 1, the lifting effect for preventing the torso of the swimming competition swimsuit held by the shoulder straps from sliding down is reduced. Therefore, it is sometimes difficult to obtain the lifting effect for preventing the torso of the swimming competition swimsuit held by the shoulder straps from intruding water from around the neck, which is the main cause of large water flow resistance.

[0009] The present invention provides a shoulder strap for a sports top that can appropriately pull up the torso of the sports top with the shoulder strap and disperse the wearing pressure applied to the shoulders of the wearer.

[0010] Technical Solution

[0011] One embodiment of the present invention provides a shoulder strap for a sports jacket, wherein the shoulder strap has an elongation side stress of 7.7 N or more and 28 N or less when the shoulder strap is elongated by 30%.

[0012] The shoulder strap is connected to the front and rear sides of the trunk of the sports jacket and has an opening extending in the length direction along the center line at a position including the center line in the width direction of the shoulder strap.

[0013] In the length direction of the shoulder strap, the opening is longer than the non-opening of the shoulder strap.

[0014] The width of each of the inner portion located on the inner side in the width direction and the outer portion located on the outer side across the opening is set to be not less than 1 / 3 and not more than 1 / 2 of the width of the shoulder strap.

[0015] According to the present invention, since the shoulder strap of the portion provided with the opening is divided into the inner portion and the outer portion in the width direction with a predetermined length, it is easier to disperse the predetermined wearing pressure applied to the shoulder by the shoulder strap to the inner portion and the outer portion of the shoulder strap than in the non-opening portion. In addition, since the width of the inner portion and the width of the outer portion are appropriately set, it is also possible to suppress the decrease in the tensile stress of the entire shoulder strap. Thus, the wearing pressure applied to the shoulders of the wearer can be dispersed while the torso is appropriately lifted by the shoulder strap. When the width of the inner portion and the width of the outer portion are less than 1 / 3 of the width of the shoulder strap, the width of the inner portion and the width of the outer portion become too narrow, the surface pressure is likely to increase, and in addition, manufacturing defects such as easy cracking sometimes occur. If the width of the inner portion and the width of the outer portion exceed 1 / 2 of the width of the shoulder strap, the inner portion and the outer portion overlap.

[0016] Technical Effects

[0017] According to the present invention, it is possible to provide a shoulder strap of a sports top that can appropriately lift the trunk area with the shoulder strap and disperse the wearing pressure applied to the shoulders of the wearer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of a swimming competition swimsuit equipped with shoulder straps of the present invention.

[0019] Figure 2 It is a rear view of a swimming competition swimsuit equipped with shoulder straps of the present invention.

[0020] Figure 3 This is the expanded view of the left shoulder strap.

[0021] Figure 4 This is the expanded view of the right shoulder strap.

[0022] Figure 5 Yes Figure 3 A partially enlarged view showing a portion indicated by an arrow V in the middle by enlarging and cross-sectionally showing a portion.

[0023] Figure 6 This is an enlarged rear view schematically showing the portion around the shoulder straps of the swimming competition swimsuit in a state in which the swimsuit is turned inside out.

[0024] Explanation of symbols

[0025] 1: Swimming competition swimsuit (sports top)

[0026] 2: Torso 31: Left shoulder strap (shoulder strap)

[0027] 31a: Base fabric part

[0028] 31b: Folded piece 31c: Left core material (core material)

[0029] 35: Left opening (opening)

[0030] 35e: Open end

[0031] 35f: Open end 36: Left non-opening portion (non-opening portion)

[0032] 37: Inner part

[0033] 38: Outer part 41: Right shoulder strap (shoulder strap)

[0034] 41c: Right core material (core material)

[0035] 45: Right opening (opening)

[0036] 45e: Open end

[0037] 45f: Open end 46: Right non-opening portion (non-opening portion)

[0038] 47: Inner part

[0039] 48: Outer part

[0040] C1: Centerline

[0041] L: Length

[0042] L1: Length

[0043] L2: Length

[0044] P1: Shoulder point (position)

[0045] P2: Shoulder point (position)

[0046] W1: Width

[0047] W3: Width

[0048] W4: Width DETAILED DESCRIPTION

[0049] The invention relates to shoulder straps of a swimming competition swimsuit.

[0050] Figure 1It is a front view of a swimming competition swimsuit (hereinafter, simply referred to as a "swimsuit") 1 as a sports top equipped with shoulder straps according to the present invention. Figure 2 is a rear view of the swimsuit 1. Figure 1 and Figure 2 As shown, the swimsuit 1 includes a torso 2 that covers the body of the wearer, and a pair of left and right shoulder straps 31 and 41 that extend from the front side of the torso 2 to the back side.

[0051] The torso 2 has a front part 21 covering from the chest to the knees on the front side of the wearer, and a rear part 22 covering from the back to the knees on the rear side. The torso 2 is made of stretchable fabric as a whole and has a predetermined wearing pressure.

[0052] It is assumed that the stretch fabric is worn in a state of being in close contact with the wearer 9. It is preferable that the stretch side stress of the stretch fabric when it is stretched by 30% in the body length direction (warp direction) is 3.2N or more and 15.6N or less, and in this embodiment, for example, it is 7.5N. It is preferable that the stretch side stress of the stretch fabric when it is stretched by 30% in the body width direction (weft direction) is 2.4N or more and 19.0N or less, and in this embodiment, for example, it is 6.5N. It should be noted that in this embodiment, the recovery side stress of the stretch fabric when it is stretched by 30% in the body length direction is 0.297N, and the recovery side stress when it is stretched by 30% in the body width direction is 1.036N.

[0053] The stress of the stretch fabric when stretched in the length direction and width direction of the body is measured in the following manner: prepare a piece of fabric with a width of 50 mm and a length of 200 mm in warp and weft, set the clamping width to 65 mm up and down, and make the clamping interval 100 mm, fix the fabric piece to a tensile testing machine (Shimadzu Corporation: Autograph AGS-X), stretch it at a stretching speed of 200 mm / min, read the stress at an elongation of 30% and set it as the "stretching side stress", and when the elongation reaches 100%, recover it at a recovery speed of 200 mm / min, read the stress at an elongation of 30% during recovery and set it as the "recovering side stress". The stretch fabric for measuring the tensile stress is equivalent to the fabric located on the front side of the wearer and covering the chest, more specifically, the fabric cut out Figure 1 The fabric obtained by testing the test piece in the area indicated by a in the middle is equivalent to that of the fabric for the thigh area and is made of the same raw material.

[0054] like Figure 1 and Figure 2 As shown, the shoulder straps 31, 41 are wound around the front side portion 21 and the rear side portion 22 of the trunk portion 2. The pair of left and right shoulder straps 31, 41 includes a left shoulder strap 31 arranged on the left shoulder of the wearer, and a right shoulder strap 41 arranged on the right shoulder.

[0055] The left shoulder strap 31 is connected to the left upper edge 21a in the width direction of the upper edge of the front side portion 21 and the upper end 22a in the width direction center of the rear side portion 22. The right shoulder strap 41 is connected to the right upper edge 21b in the upper edge of the front side portion 21 and the upper end 22a in the width direction center of the rear side portion 22. In the present embodiment, the rear end of the left shoulder strap 31 and the rear end of the right shoulder strap 41 are connected to the back center C.

[0056] exist Figure 3 The left shoulder strap 31 is shown in the unfolded state. Figure 4 The right shoulder strap 41 is shown in the unfolded state. Figure 3 and Figure 4 , the left shoulder strap 31 and the right shoulder strap 41 have elasticity at least in the length direction. The elongation side stress of the left shoulder strap 31 and the right shoulder strap 41 when they are elongated by 30% can be set to 7.7N or more and 28N or less, for example, 27.5N. The left shoulder strap 31 and the right shoulder strap 41 have a predetermined stress when they are elongated in the length direction at a predetermined ratio corresponding to the elongation when worn. In the present embodiment, the elongation of the left shoulder strap 31 in the length direction when worn is 47%. The recovery side stress of the left shoulder strap 31 when it is elongated by 47% can be set to 6.9N or more and 11.03N or less, for example, 7.9N. The left shoulder strap 31 on which the tensile stress has been measured is equivalent to Figure 3 The portion indicated by the arrow V in the middle. In the present embodiment, the elongation rate of the right shoulder strap 41 in the longitudinal direction when worn is 42%. The restoring side stress of the right shoulder strap 41 when elongated by 42% can be set to 6.2N or more and 9.21N or less, for example, 6.64N. It should be noted that in the present embodiment, the elongation side stress when the left shoulder strap 31 and the right shoulder strap 41 are elongated by 30% in the longitudinal direction is 27.5N. The stress of the left shoulder strap 31 and the right shoulder strap 41 when each is stretched is measured by the following method: the two left openings 35 or the right openings 45 are clamped and the clamping width is set to 5 mm respectively, and the fabric piece is fixed to a tensile testing machine (Shimadzu Corporation: Autograph AGS-X), stretched at a stretching speed of 200 mm / min, and the stress at the elongation rate of each elongation (42% or 47%) is read as the "stretching side stress", and when the elongation reaches 100%, it is restored at a recovery speed of 200 mm / min, and the elongation rate at the time of recovery is read as the stress at the elongation rate of each elongation (42% or 47%) and is set as the "restoring side stress". The restoring side stress of the left and right shoulder straps 31 and 41 when stretched by 42% to 47% can also be, for example, 7.7N or more and 29.1N or less.

[0057] like Figure 3As shown, the left shoulder strap 31 includes a left shoulder strap main body 32, a left front connecting portion 33 connected to the front portion 21, a left rear connecting portion 34 connected to the rear portion 22, and a left opening 35 extending in the longitudinal direction.

[0058] The left shoulder strap main body 32 has a substantially constant width W1, which is set to 22 mm, for example. Figure 1 and Figure 3 The position P1 corresponding to the top of the shoulder in a flat state (hereinafter also referred to as the "shoulder point") indicated by the two-dot chain line is closer to the front side.

[0059] like Figure 3 As shown, the left front connecting portion 33 is continuous at one end of the left shoulder strap main body 32 in the length direction. The left front connecting portion 33 is formed in a manner that it expands outward in the width direction from one end of the left shoulder strap main body 32. As for the width of the left front connecting portion 33, the front end is the widest, and the width W2 of the front end is set to 159% of the width W1 of the left shoulder strap main body 32, for example, 35 mm. Figure 1 As shown, the left front connecting portion 33 is connected to the left upper edge portion 21a of the front portion 21. The left upper edge portion 21a is a portion connecting the neck portion 21c and the left side opening 21d.

[0060] like Figure 3 As shown, the left rear connecting portion 34 is continuous at the other end of the other side in the length direction of the left shoulder strap main body 32. The left rear connecting portion 34 is a rectangular portion extending from the other end of the left shoulder strap main body 32 to both outer sides in the width direction of the swimsuit 1 and extending outward in the width direction.

[0061] like Figure 2 As shown, the left rear connecting portion 34 is connected to the central portion in the width direction of the rear portion 22. In the present embodiment, the left rear connecting portion 34 is arranged between the left rear portion 22b and the right rear portion 22c divided by the back center C of the rear portion 22. The left rear portion 22b and the right rear portion 22c are connected via the left rear connecting portion 34. The left edge 34a and the right edge 34b of the left rear connecting portion 34 are connected to the left rear portion 22b and the right rear portion 22c, respectively. The rear opening portion 23 is provided at the rear portion 22, and the lower edge 34c of the left rear connecting portion 34 constitutes the central portion in the width direction of the rear opening portion 23.

[0062] like Figure 4 As shown, the right shoulder strap 41 has a right shoulder strap main body 42, a right front connecting portion 43 connected to the front side portion 21, a right rear connecting portion 44 connected to the rear side portion 22, and a right opening portion 45 extending in the longitudinal direction.

[0063] The width W1 of the right shoulder strap main body 42 is substantially constant like the left shoulder strap 31, and is set to 22 mm, for example. Figure 1 and Figure 4 The shoulder point P2 indicated by the double-dashed line is closer to the front side.

[0064] like Figure 4 As shown, the right front connecting portion 43 is continuous at one end of the right shoulder strap main body 42 in the length direction. The right front connecting portion 43 is formed in a manner that it expands outward in the width direction from one end of the right shoulder strap main body 42. As for the width of the right front connecting portion 43, the front end is the widest, and the width W2 of the front end is set to 159% of the width W1 of the right shoulder strap main body 42, for example, 35 mm. Figure 1 As shown, the right front connecting portion 43 is connected to the right upper edge portion 21b of the front portion 21. The right upper edge portion 21b is a portion connecting the neck surrounding portion 21c and the right side opening 21e.

[0065] like Figure 4 As shown, the right rear connecting portion 44 is continuous at the lower end of the right shoulder strap main body 42. The right rear connecting portion 44 is a skirt-like portion extending from the other end of the right shoulder strap main body 42 to both outer sides in the width direction of the swimsuit 1. Figure 2 As shown, the right rear connecting portion 44 is connected to the central portion in the width direction of the rear portion 22. In the present embodiment, the right rear connecting portion 44 is connected to the inner side of the swimsuit 1 more than the left rear connecting portion 34 so that the center in the width direction coincides with the center in the width direction of the left rear connecting portion 34. The lower edge 44a of the right rear connecting portion 44 and the lower edge 34c of the left rear connecting portion 34 together constitute the central portion in the width direction of the back opening 23.

[0066] Reference Figures 3 to 6 , the shoulder straps 31, 41 and the openings 35, 45 are described.

[0067] Reference Figure 3 The left opening portion 35 is a slit formed by a laser processing machine (so-called laser cutting). The cross section of the left opening portion 35 is welded during laser processing and has a welded cross section. The left opening portion 35 extends along the center line in the length direction at a position including the center line C1 in the width direction of the left shoulder strap 31. In the present embodiment, the left opening portion 35 is composed of a plurality of left opening portions 35. Each left opening portion 35 is intermittently provided along the length direction of the left shoulder strap 31. Each left opening portion 35 is arranged at equal intervals in the length direction. A left non-opening portion 36 where no left opening portion 35 is provided is formed between adjacent left opening portions 35.

[0068] The plurality of left openings 35 include a first left opening 35a provided across the left front connecting portion 33 and the left shoulder strap main body 32, and a second left opening 35b, a third left opening 35c, and a fourth left opening 35d provided in the left shoulder strap main body 32. The length L1 of each left opening 35 in the longitudinal direction is formed to be a certain length, for example, set to 40 mm. The length L1 of each left opening 35 is the length between the left opening upper end 35e located at the upper end of each left opening 35 and the left opening lower end 35f located at the lower end. The length L1 may also be set to 43 mm.

[0069] The length L1 of each left opening portion 35 is set to be greater than the length L2 of the left non-opening portion 36 in the longitudinal direction. It is preferred that the ratio of the length L2 of the left non-opening portion 36 to the length L1 of each left opening portion 35 is 0% or more and 50% or less, and the length L2 of the left non-opening portion 36 is set to 10 mm, for example. The length L2 of the left non-opening portion 36 is the length between adjacent left opening portions 35, for example, the length between the left opening lower end portion 35f of the third left opening portion 35c and the left opening upper end portion 35e of the fourth left opening portion 35d.

[0070] The ratio of the length of the portion where the plurality of left openings 35 are provided (the total length of the plurality of left openings 35) to the length L of the left shoulder strap 31 in the longitudinal direction can be set to 50% or more and 93% or less, for example, 78%. In the present embodiment, the length L of the left shoulder strap 31 is set to the length L of the left shoulder strap main body 32 and the left front connecting portion 33 having a substantially constant width in the left shoulder strap 31. The substantially constant width means that the portion is set to 27% or more and 159% or less with respect to the width W1 of the left shoulder strap main body 32.

[0071] like Figure 3 and Figure 5 As shown, the portion of the left shoulder strap 31 provided with the left opening 35 is divided into an inner portion 37 and an outer portion 38 by the left opening 35. In the present embodiment, the width W3 of the inner portion 37 is substantially the same as the width W3 of the outer portion 38, and is preferably 1 / 3 or more and 1 / 2 or less of the width W1 of the left shoulder strap 31, and is set to 11 mm, for example.

[0072] like Figure 1 and Figure 3 As shown in FIG. 1 , when the swimsuit 1 is laid flat, the left opening 35 is arranged at a position corresponding to the top of the left shoulder of the wearer. More specifically, the shoulder point P1 is located at the middle part of the first left opening 35a in the longitudinal direction.

[0073] like Figure 3As shown, a left core material 31c for suppressing the twisting of the left shoulder belt 31 in the width direction is arranged in the center part of the left shoulder belt 31 in the width direction. The left core material 31c extends in the length direction of the left shoulder belt 31 and is arranged in a portion corresponding to the left front connecting portion 33 and the left shoulder belt main body portion 32. In this embodiment, the length L of the left shoulder belt 31 is consistent with the length of the portion of the left shoulder belt 31 where the left core material 31c is arranged. The left core material 31c is arranged at least in a position corresponding to the opening end of each left opening portion 35 in the length direction. More specifically, the left core material 31c is arranged in a position overlapping with the left opening upper end 35e and the left opening lower end 35f.

[0074] In the present embodiment, the left opening 35 and the right opening 45 have substantially the same shape, and therefore the right opening 45 will be briefly described.

[0075] like Figure 4 As shown, the right opening portion 45 has substantially the same structure as the left opening portion 35. The right opening portion 45 has a first right opening portion 45a, a second right opening portion 45b, a third right opening portion 45c, a fourth right opening portion 45d, which are intermittently provided along the length direction of the right shoulder strap 41, and a right non-opening portion 46 located between adjacent right opening portions 45.

[0076] like Figure 4 and Figure 5 As shown, the portion of the right shoulder strap 41 provided with the right opening 45 is divided into an inner portion 47 and an outer portion 48 by the right opening 45. In the present embodiment, the width W3 of the inner portion 47 is substantially the same as the width W3 of the outer portion 48, and is preferably 1 / 3 or more and 1 / 2 or less of the width W1 of the right shoulder strap 41, for example, set to 11 mm.

[0077] like Figure 1 and Figure 4 As shown in FIG. 1 , when the swimsuit 1 is laid flat, the right opening 45 is arranged at a position corresponding to the top of the right shoulder of the wearer. More specifically, the shoulder point P2 is located at the middle part of the first right opening 45a in the longitudinal direction.

[0078] A right core material 41c is disposed in the center portion in the width direction of the right shoulder strap 41. The right core material 41c extends in the length direction of the right shoulder strap 41 and is disposed in a portion corresponding to the right front connecting portion 43 and the right shoulder strap main body portion 42. In this embodiment, similarly to the left shoulder strap 31, the length L of the right shoulder strap 41 is consistent with the length of the portion of the right shoulder strap 41 where the right core material 41c is disposed. The right core material 41c is disposed at least in a position corresponding to the opening end portion in the length direction of each right opening portion 45. More specifically, the right core material 41c is disposed in a position overlapping with the right opening upper end portion 45e and the right opening lower end portion 45f.

[0079] Figure 5 Yes Figure 3 The part indicated by the arrow V in the figure is enlarged and cut away to show a part of the part. For the convenience of explanation, Figure 5 In the embodiment, since the structures of the left shoulder strap 31 and the right shoulder strap 41 are roughly the same, only the left shoulder strap 31 is described, and Figure 5 The symbol of the right shoulder strap 41 is marked in brackets.

[0080] like Figure 5 As shown, the left shoulder strap 31 has: a base fabric portion 31a, which extends in the length direction; a pair of folding piece portions 31b, which are continuous on both sides of the base fabric portion 31a in the width direction and folded toward the inside in a manner opposite to the base fabric portion 31a; a left core material 31c, which is arranged between the base fabric portion 31a and the pair of folding piece portions 31b; and a belt member T, which overlaps with the inner side of the pair of folding piece portions 31b.

[0081] The left shoulder strap 31 is formed by sequentially laminating a left core material 31c, a pair of folded-back pieces 31b, and a belt member T inside a base fabric portion 31a. Hot melt adhesive H is disposed between each of these members 31a, 31c, 31b, and T.

[0082] In more detail, the inner surface of the base fabric portion 31a is joined to the outer surface of the left core material 31c by hot melt adhesive H, the inner surface of the left core material 31c is joined to the outer surface of the folding piece portion 31b by hot melt adhesive H, and the inner surface of the folding piece portion 31b is joined to the outer surface of the belt component T by hot melt adhesive H.

[0083] The base fabric portion 31a is made of knitted fabric or cloth and has a belt shape. The base fabric portion 31a extends in the length direction. In the present embodiment, the width W1 of the base fabric portion 31a is set to 22 mm, for example, but the width W1 according to the regulations of the swimsuit for swimming competitions may be 25 mm or less, for example. The width W1 of the base fabric portion 31a is consistent with the width of the left shoulder strap 31. It is preferred that the base fabric portion 31a is made of a woven base fabric belt.

[0084] Reference Figure 3 and Figure 5The left core material 31c is formed by a base fabric tape bonded by hot melt adhesive. In the present embodiment, the left core material 31c extends along the length direction throughout the entire left shoulder strap main body 32 and the left front connecting portion 33. The left core material 31c is configured in such a way that the center of the left core material 31c in the width direction coincides with the center line C1 of the left shoulder strap 31. Preferably, the width W4 of the left core material 31c is set to a width of not less than 45% and not more than 98% relative to the width W1 of the left shoulder strap 31, for example, to 90%. In the present embodiment, the width W4 of the left core material 31c is set to 20 mm.

[0085] A pair of folding pieces 31b are folded from both sides of the left core material 31c in the width direction toward the inner side of the width direction across the center line C1, and are joined to the inner surface of the left core material 31c. The width W5 of each folding piece 31b is set to 10 mm, for example. Both ends of the left core material 31c in the width direction are covered by the folding piece 31b.

[0086] If the pair of folding pieces 31b are folded back toward the inside of the base fabric portion 31a, the ends of the pair of folding pieces 31b are arranged opposite to each other. The ends of the pair of folding pieces 31b are separated from each other in the width direction, and no folding piece 31b is arranged near the center line C1. The folding pieces 31b do not overlap in the width direction. The gap G between the ends of the pair of folding pieces 31b is arranged at a position including the center line C1 and extends in the length direction. The belt member T is stacked on the folding piece 31b in a manner that covers the gap G from the inside.

[0087] The belt member T is composed of a base fabric tape of a woven fabric or a knitted fabric. Preferably, the belt member T is composed of a base fabric tape of a knitted fabric. In the present embodiment, the belt member T extends along the length direction over the entire left shoulder belt main body 32. The belt member T is arranged so that the center of the belt member T in the width direction coincides with the center line C1 of the left shoulder belt 31. The width W6 of the belt member T is larger than the width of the gap G between the ends of the folded-back piece 31b, and is set to 15 mm, for example.

[0088] Figure 6 FIG. 2 is a schematic rear view schematically showing the left and right shoulder straps 31, 41 of the swimsuit 1 after being turned inside out. Figure 6 As shown, in this embodiment, the belt member T has: a first belt member T1, which is arranged across the left and right shoulder belts 31, 41; a second belt member T2, which is provided at the left side opening 21d; and a third belt member T3, which is provided from the right shoulder belt main body 42 to the right rear side connecting portion 44. Figure 6 In FIG. 1 , the portion to which the first tape member T1 is attached is indicated by gray, and the portion to which the second tape member T2 and the third tape member T3 are attached is indicated by hatching.

[0089] like Figure 6As shown, one end T11 of the first belt member T1 is joined to the right shoulder strap main body 42, and the other end T12 is joined to the right rear side connection part 44. The first belt main body T10 between the one end T11 and the other end T12 is wound around the rear side part 22 from the right shoulder strap main body 42 through the right front side connection part 43 and the right side opening 21e, passes through the left rear side connection part 34 of the left shoulder strap 31, the left shoulder strap main body 32, the left front side connection part 33 and the neck circumference part 21c, overlaps with the one end T11 at the right front side connection part 43, extends along the right shoulder strap main body 42 via the shoulder point P2 of the right shoulder strap 41, and is further connected to the other end T12 at the right rear side connection part 44.

[0090] In this embodiment, the one end portion T11 is a portion overlapping the first right opening portion 45a in the length direction. The one end portion T11 is disposed at the shoulder point P2. Near the shoulder point P2, the right shoulder strap 41 has a five-layer structure of a base fabric portion 41a, a right core material 41c, a folding piece 41b, the one end portion T11, and a first belt body T10.

[0091] One end T21 of the second belt member T2 is joined to a portion of the left shoulder strap main body 32 on the left front connecting portion 33 side, and the other end T22 is joined to a portion of the left shoulder strap main body 32 on the left rear connecting portion 34 side. The second belt main body T20 between the one end T21 and the other end T22 passes through the left side opening 21d from the left front connecting portion 33 and is wound around the rear portion 22, overlaps with the first belt member T1 at the left rear connecting portion 34, and is connected to the other end T22 at the left shoulder strap main body 32. One end T21 of the second belt member T2 overlaps with the first belt member T1 at the left front connecting portion 33 from the left shoulder strap main body 32, and the other end T22 overlaps with the first belt member T1 at the left shoulder strap main body 32.

[0092] The one end portion T21 is a portion overlapping with the first left opening portion 35a in the length direction. The other end portion T22 is a portion overlapping with the fourth left opening portion 35d in the length direction. The one end portion T21 and the other end portion T22 are arranged between the first belt member T1 and the folding piece portion 31b. More specifically, the one end portion T21 and the other end portion T22 have a five-layer structure of the base fabric portion 31a, the left core material 31c, the folding piece portion 31b, the one end portion T21 or the other end portion T22, and the second belt member T2.

[0093] One end T31 of the third belt member T3 is joined to a portion of the right shoulder strap main body 42 on the right rear connecting portion 44 side, and the other end T32 is joined to the right rear connecting portion 44. The third belt member T3 overlaps with the first belt member T1 at the right shoulder strap main body 42, separates from the first belt member T1 downward, and terminates at the right rear connecting portion 44.

[0094] The one end portion T31 is a portion overlapping with the fourth right opening portion 45d in the length direction. The one end portion T31 is disposed between the first belt member T1 and the folding piece 41b. More specifically, the one end portion T31 has a five-layer structure of the base fabric portion 41a, the right core material 41c, the folding piece 41b, the one end portion T31, and the third belt member T3.

[0095] The swimsuit 1 of this embodiment has the following effects.

[0096] (1) The shoulder straps 31, 41 of the swimming competition swimsuit 1, whose stress at 30% elongation is set to be not less than 7.7N and not more than 28N, are connected to the front and rear sides of the torso 2 of the swimming competition swimsuit 1, and have openings 35, 45 extending in the length direction along the center line C1 at a position of the shoulder straps 31, 41 including the center line C1 in the width direction, the openings 35, 45 are longer than the non-openings 36, 46 in the length direction of the shoulder straps 31, 41, and the width W3 of the inner parts 37, 47 located on the inner side in the width direction and the outer parts 38, 48 located on the outer side across the openings 35, 45 are set to be not less than 1 / 3 and not more than 1 / 2 of the width W1 of the shoulder straps 31, 41.

[0097] According to this structure, the shoulder straps 31 and 41 of the portion provided with the openings 35 and 45 are divided into the inner portion 37 and 47 and the outer portion 38 and 48 in the width direction by a predetermined length, so that the predetermined wearing pressure applied to the shoulders by the shoulder straps 31 and 41 is easily dispersed to the inner portion 37 and 47 and the outer portion 38 and 48 of the shoulder straps 31 and 41 compared with the non-opening portion 36 and 46. In addition, since the width W3 of the inner portion 37 and 47 and the width W3 of the outer portion 38 and 48 are appropriately set, it is also possible to suppress the decrease in the tensile stress of the entire shoulder strap. As a result, the wearing pressure applied to the shoulders of the wearer can be dispersed while the torso 2 is appropriately lifted by the shoulder straps 31 and 41. When the width W3 of the inner portion 37, 47 and the width W3 of the outer portion 38, 48 are less than 1 / 3 of the width W1 of the shoulder straps 31, 41, the width W3 of the inner portion 37, 47 and the width W3 of the outer portion 38, 48 become too narrow, the surface pressure is likely to increase, and manufacturing defects such as easy cracking may occur. If the width W3 of the inner portion 37, 47 and the width W3 of the outer portion 38, 48 exceed 1 / 2 of the width W1 of the shoulder straps 31, 41, the inner portion 37, 47 and the outer portion 38, 48 overlap.

[0098] (2) The ratio of the length of the portion where the opening 35, 45 is provided to the length L in the longitudinal direction of the shoulder straps 31, 41 is set to be greater than 50% and less than 93%. According to this structure, since the length of the opening 35, 45 is appropriately set relative to the length L of the shoulder straps 31, 41, the wearing pressure applied to the shoulders of the wearer can be more effectively dispersed. In the case where the length of the opening 35, 45 is less than 50% relative to the length of the shoulder straps 31, 41 in the longitudinal direction, it is difficult to sufficiently reduce the wearing pressure. If the length of the opening 35, 45 exceeds 93% of the length of the shoulder straps 31, 41 in the longitudinal direction, for example, the distance from the end of the core material becomes shorter, and the breaking strength is likely to be reduced.

[0099] (3) Since the openings 35, 45 are provided at the positions P1, P2 corresponding to the tops of the wearer's shoulders when the competitive swimming swimsuit 1 is laid flat, the wearing pressure can be easily and effectively dispersed by providing the openings 35, 45 at the tops of the shoulders where the wearing pressure is likely to increase.

[0100] (4) Since the openings 35 and 45 are provided intermittently along the length direction of the shoulder straps 31 and 41, it is easier to avoid the inner and outer parts from overlapping each other than when they are provided continuously in the length direction, and defects such as increased wearing pressure due to the inner and outer parts overlapping each other can be suppressed. In addition, defects such as breakage at the ends of the openings during wearing can be suppressed.

[0101] (5) The shoulder straps 31, 41 include: a base fabric portion 31a extending in the longitudinal direction; and a pair of folding piece portions 31b which are integrally provided with the base fabric portion 31a and folded back in a manner opposite to the base fabric portion 31a, and core materials 31c, 41c are arranged between the base fabric portion 31a and the pair of folding piece portions 31b, at least at positions corresponding to the opening end portions 35e, 35f, 45e, 45f in the longitudinal direction of the opening portions 35, 45.

[0102] According to this structure, although the breaking strength of the opening ends 35e, 35f, 45e, 45f of the openings 35, 45 is easily reduced, the reduction in the breaking strength at the opening ends 35e, 35f, 45e, 45f can be suppressed by arranging the core materials 31c, 41c.

[0103] (6) Since the ratio of the width W4 of the core material 31c, 41c to the width W1 of the shoulder strap is set to be greater than 45% and less than 98%, the core material 31c, 41c can be set to an appropriate width. For example, it is difficult to generate a gradient portion between the portion where the core material 31c, 41c is arranged and the portion where the core material 31c, 41c is not arranged, and deformation of the shoulder straps 31, 41 in the width direction, such as rolling up of the gradient portion from the outside to the inside in the width direction, can be suppressed. In the case where the ratio of the width W4 of the core material 31c, 41c to the width W1 of the shoulder straps 31, 41 is less than 45%, it is difficult to suppress deformation of the shoulder straps 31, 41 in the width direction. In the case where the ratio of the width W4 of the core material 31c, 41c to the width W1 of the shoulder straps 31, 41 exceeds 98%, it is easy to become difficult to manufacture.

[0104] (7) Since the openings 35 and 45 are formed of slits, it is easier to maintain tensile stress without widening the shoulder straps 31 and 41, compared with a case where the openings are provided in the form of a plurality of holes having a predetermined width. In other words, when the width of the shoulder straps 31 and 41 is set constant, it is possible to suppress a decrease in tensile stress of the shoulder straps 31 and 41, compared with a case where the openings are provided in the form of a plurality of holes having a predetermined width.

[0105] (8) Since the openings 35 and 45 have welded cross sections, cracking of the cross sections of the openings 35 and 45 can be suppressed.

[0106] In the present embodiment, an example in which the openings 35 and 45 are composed of a plurality of slits is described, but the invention is not limited thereto. The openings 35 and 45 may be one or may be composed of a mixture of linear slits and point-shaped through holes. For example, point-shaped through holes may be provided between adjacent slits.

[0107] In the present embodiment, the configuration in which the length L1 of the openings 35 and 45 is constant has been described, but the present invention is not limited thereto, and the length L1 of the openings 35 and 45 may not be constant.

[0108] In the present embodiment, the structure in which the openings 35 and 45 extend along the center line C1 in the width direction of the shoulder straps 31 and 41 is described, but the invention is not limited thereto. The openings 35 and 45 may be, for example, inclined inwardly or outwardly in the longitudinal direction, or may be wavy.

[0109] Although the example in which the openings 35 and 45 are composed of a plurality of slits has been described, the invention is not limited thereto, and the openings 35 and 45 may be arranged in a manner that a plurality of rhombus-shaped openings are arranged in the longitudinal direction of the shoulder strap. In addition, the plurality of rhombus-shaped openings arranged in the longitudinal direction may be arranged in two to three rows in the width direction of the shoulder strap. It should be noted that the shape of the opening may also be designed in a logo shape or the like.

[0110] In this embodiment, the structure in which the left core material 31c and the right core material 41c are arranged along the entire length direction is described, but it is not limited to this. In the length direction of the shoulder strap 31, they can be arranged at least at a position overlapping with the opening end portions 35e, 35f, 45e, and 45f of the opening portions 35 and 45.

[0111] In the present embodiment, the structure in which the rear opening 23 is provided in the rear side portion 22 is described, but the present invention is not limited thereto, and the rear opening 23 may not be provided in the rear side portion 22 .

[0112] In the present embodiment, the case where the shoulder straps of the sports top are applied to a swimsuit for swimming competitions is described, but the shoulder straps of the sports top can be applied to sports tops such as camisole tops.

[0113] It should be noted that the method of wearing the swimsuit of the present invention is not limited to the configuration of the above-described embodiment, and various modifications can be made.

[0114] [Supplementary Notes] The present invention includes the following aspects.

[0115] [Method 1]

[0116] A shoulder strap for a sports jacket, wherein the elongation side stress of the shoulder strap when elongated by 30% is set to be 7.7N or more and 28N or less,

[0117] The shoulder strap is connected to the front and rear sides of the trunk of the sports jacket and has an opening extending in the length direction along the center line at a position including the center line in the width direction of the shoulder strap.

[0118] In the length direction of the shoulder strap, the opening is longer than the non-opening of the shoulder strap.

[0119] The width of each of the inner portion located on the inner side in the width direction across the opening and the outer portion located on the outer side is set to be not less than 1 / 3 and not more than 1 / 2 of the width W1 of the shoulder straps 31 , 41 .

[0120] [Method 2]

[0121] According to the shoulder strap of the sportswear according to aspect 1, a ratio of a length of a portion where the opening is provided to a length in a longitudinal direction of the shoulder strap is set to be 50% or more and 93% or less.

[0122] [Method 3]

[0123] According to the shoulder strap of the sports top according to aspect 1 or 2, the opening is provided at a position corresponding to the top of the wearer's shoulder when the sports top is laid flat.

[0124] [Method 4]

[0125] In the shoulder strap of the sportswear according to any one of aspects 1 to 3, the opening is provided intermittently along the longitudinal direction of the shoulder strap.

[0126] [Method 5]

[0127] A shoulder strap for a sportswear according to any one of the first to fourth aspects, the shoulder strap comprising: a base fabric portion extending in a longitudinal direction; and a pair of folding pieces provided integrally with the base fabric portion and folded back in a manner opposing the base fabric portion,

[0128] A core material is disposed between the base fabric portion and the pair of folding piece portions at least at a position corresponding to an opening end portion in the longitudinal direction of the opening portion.

[0129] [Method 6]

[0130] According to the shoulder strap of the sportswear according to aspect 5, the ratio of the width of the core material to the width of the shoulder strap is set to 45% or more and 98% or less.

[0131] [Method 7]

[0132] In the shoulder strap of the sportswear according to any one of aspects 1 to 6, the opening is formed of a slit.

[0133] [Method 8]

[0134] In the shoulder strap of the sportswear according to any one of aspects 1 to 7, the opening has a welded cross section.

Claims

1. A shoulder strap for a sports jacket, characterized in that: The shoulder strap has a lateral elongation stress of 7.7N or more and 28N or less when it is elongated by 30%. The shoulder strap is connected to the front and rear sides of the trunk of the sports jacket and has an opening extending in the length direction along the center line at a position including the center line in the width direction of the shoulder strap. In the length direction of the shoulder strap, the opening is longer than the non-opening of the shoulder strap. The width of each of the inner portion located on the inner side in the width direction and the outer portion located on the outer side across the opening is set to be not less than 1 / 3 and not more than 1 / 2 of the width of the shoulder strap.

2. The shoulder strap of the sportswear according to claim 1, characterized in that: A ratio of the length of the portion where the opening is provided to the length of the shoulder strap in the longitudinal direction is set to be 50% or more and 93% or less.

3. The shoulder strap of the sportswear according to claim 1 or 2, characterized in that: The opening is provided at a position corresponding to the top of the wearer's shoulder when the sports jacket is laid flat.

4. The shoulder strap of the sportswear according to claim 1 or 2, characterized in that: The openings are intermittently arranged along the length direction of the shoulder straps.

5. The shoulder strap of the sportswear according to claim 1 or 2, characterized in that: The shoulder strap includes: a base fabric portion extending in the longitudinal direction; and a pair of folding pieces provided integrally with the base fabric portion and folded back in a manner opposing the base fabric portion. A core material is disposed between the base fabric portion and the pair of folding piece portions at least at a position corresponding to an opening end portion in the longitudinal direction of the opening portion.

6. The shoulder strap of the sportswear according to claim 5, characterized in that: The ratio of the width of the core material to the width of the shoulder strap is set to 45% or more and 98% or less.

7. The shoulder strap of the sportswear according to claim 1 or 2, characterized in that: The opening is formed by a slit.

8. The shoulder strap of the sportswear according to claim 1 or 2, characterized in that: The opening has a welded cross section formed by welding.

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