JP6462038B2 - Disposable swimsuit for upper body part for infants, set of disposable swimsuit, and method for manufacturing disposable swimsuit for upper body part for infants - Google Patents

Description

  The present invention relates to a disposable swimsuit for an upper body part for infants, a set of disposable swimsuits, and a method for producing a disposable swimsuit for an upper body part for infants.

  Disposable swimsuits are known for infants to wear in pools and water play. Patent Document 1 describes disposable swimsuits 1A and 1B obtained by alternately and continuously producing a lower body disposable swimsuit 1A and an upper body disposable swimsuit 1B.

JP 2009-84735 A

  However, since the shape of the front body F and the back body B of the upper body disposable swimsuit 1B of Patent Document 1 is the same, it is difficult to distinguish the front side and the rear side of the upper body disposable swimsuit 1B. When trying to wear, it was difficult to recognize the front side and the rear side. In addition, the body of an infant is generally a body whose front is rounder than the back. In the disposable swimsuit 1B for the upper body of Patent Document 1 in which the front body F and the back body B have the same shape, there is a fear that the body of the infant who is the wearer does not fit.

  This invention is made | formed in view of the above problems, Comprising: It aims at making the front-and-back recognition of a disposable swimsuit easy. More preferably, it is an object of the present invention to provide a disposable swimsuit that conforms to the body shape of an infant whose body shape is different between before and after, while facilitating the recognition of the disposable swimsuit before and after.

The main invention for achieving the above object is located in the up-down direction, the left-right direction, the front-rear direction perpendicular to the up-down direction and the left-right direction, the front body located on the front of the infant when worn, and the back It is a disposable swimsuit of the upper body part for infants provided with an elastic member that expands and contracts in the left-right direction from the back body, the shape of the front body and the back body is different, and the elastic member is rubber thread, The disposable swimsuit of the upper body part for infants , wherein the number of the rubber bands provided in the back body is larger than the number of the rubber bands provided in the front body .
Other features of the present invention will become apparent from the description of the present specification and the accompanying drawings.

  According to the present invention, it becomes easier for an infant or a person who is trying to wear it to recognize the front side and the rear side of the disposable swimsuit of the upper body part for infants, so that the wearing is easier. Moreover, since it can be made into the shape according to the infant's body shape which has a different body shape before and behind, it can be made to make it easier to fit to the infant's body.

FIG. 1A is a front view of a disposable swimsuit 100 in a worn state. FIG. 1B is a view of the disposable swimsuit 100 in a worn state as viewed from the back. FIG. 2A is a schematic plan view of the disposable swimsuit 1 of the upper body portion in the unfolded state and in the stretched state as seen from the skin side surface side. 2B is a schematic cross-sectional view taken along the line AA in FIG. 2A. FIG. 3A is a schematic plan view of the shoulder strap constituting member 30 in the unfolded state and in the stretched state as seen from the skin side surface. FIG. 3B is a schematic plan view indicated by arrows BB in FIG. 3A. FIG. 4 is a schematic diagram illustrating the configuration of the schematic plan view of FIG. 3A. FIG. 5 is a side view of the disposable swimsuit 100 in a worn state. FIG. 6 is a flowchart of each process in manufacturing the disposable swimsuit 1 of the upper body part. FIG. 7 is a diagram illustrating a manufacturing apparatus 200 that manufactures the disposable swimsuit 1 of the upper body part. FIG. 8 is a diagram illustrating a state in which the equipment of the disposable swimsuit 1 in the upper body part is transported in the transport direction. FIG. 9 is a diagram for explaining a state in which the hole 38 is formed after FIG.

At least the following matters will become apparent from the description of the present specification and the accompanying drawings.
Up-down direction, left-right direction, front-rear direction perpendicular to the up-down direction and left-right direction, a front body located on the front of the infant when worn, and a rear body located on the back, and elasticity that expands and contracts in the left-right direction A disposable swimsuit for an upper body part for infants provided with a member, wherein the shape of the front body and the rear body are different.

  According to such a disposable swimsuit for the upper body part for infants, it becomes easier for an infant or a person trying to wear it to recognize the front side and the rear side of the disposable swimsuit for the upper body part for infants. . Moreover, since it can be made into the shape according to the infant's body shape which has a different body shape before and behind, it can be made to make it easier to fit to the infant's body.

  In such a disposable swimsuit for the upper body part for infants, the area of the front body is larger than the area of the back body when the elastic member is extended.

  According to such a disposable swimsuit for the upper body part for infants, it becomes easier for an infant or a person trying to wear it to recognize the front side and the rear side of the disposable swimsuit for the upper body part for infants, It can be made into the shape according to the body shape of the infant who has a shape.

  In such a disposable swimsuit for the upper body part for infants, in the state where the elastic member is extended, the length of the longest part of the front body is longer than the length of the longest part of the back body in the vertical direction. Long is desirable.

  According to such a disposable swimsuit for the upper body part for infants, it becomes easier for an infant or a person trying to wear it to recognize the front side and the rear side of the disposable swimsuit for the upper body part for infants, It can be made into the shape according to the body shape of the infant who has a shape.

  In such a disposable swimsuit for the upper body part for infants, in the vertical direction, the lower end of the front body and the lower end of the rear body are in the same position, and the uppermost front body end located on the uppermost side of the front body is the It is desirable to be located above the uppermost end of the back body located on the uppermost side of the back body.

  According to such a disposable swimsuit for the upper body part for infants, it becomes easier for an infant or a person trying to wear it to recognize the front side and the rear side of the disposable swimsuit for the upper body part for infants, It can be made into the shape according to the body shape of the infant who has a shape.

  In such a disposable swimsuit for the upper body part for infants, in the state in which the elastic member is extended, the shape of the upper end from one side to the other in the left-right direction of the front body is from the one to the other of the rear body It is desirable that the shape is different from the shape of the upper end.

  According to such a disposable swimsuit for the upper body part for infants, it becomes easier for an infant or a person trying to wear it to recognize the front side and the rear side of the disposable swimsuit for the upper body part for infants. .

  In such a disposable swimsuit for the upper body part of an infant, the length in the vertical direction between the upper end of the front body in the center in the left-right direction and the uppermost end of the front body is the upper end in the center in the left-right direction of the rear body. It is desirable that the length in the vertical direction is longer than the upper end of the back body.

  According to such a disposable swimsuit for the upper body part for infants, the design can be improved and the shape can be made like a general clothes or swimsuit, so that the front side and the rear side can be more easily recognized. .

  Such a disposable swimsuit for an upper body part for infants, wherein the elastic member is a rubber thread, and the number of the rubber bands provided in the front body is different from the number of the rubber threads provided in the back body. It is desirable that

  According to such a disposable swimsuit for the upper body part for infants, the contraction force of the front body and the back body can be made different, so that it can be more easily fitted to infants having different body shapes in the front and rear. it can.

  In such a disposable swimsuit for the upper body part for infants, it is desirable that the number of the rubber bands provided in the back body is larger than the number of the rubber bands provided in the front body.

  According to such a disposable swimsuit for the upper body of an infant, since the infant has a rounded body on the front rather than the back, the front body with a smaller number of rubber bands is loosely placed on the front of the infant's body. The back of the body with a larger number of rubber bands is easier to fit on the back of the infant.

  In such a disposable swimsuit for the upper body part for infants, it is desirable that the elastic member is provided in the back body and not in the front body.

  According to such a disposable swimsuit for the upper body of an infant, since the infant has a rounded body at the front rather than the back, the front body without an elastic member gently follows the front of the infant's body. It becomes easy and the back body which provided the elastic member becomes easy to fit the back of an infant.

  Such a disposable swimsuit for the upper body part for infants, wherein the front body and the rear body are joined at a pair of joints, and in the natural state of the disposable swimsuit for the upper body part for infants, the pair of joints is It is desirable that the upper body part for infants is provided on the rear side of the disposable swimsuit.

  According to such a disposable swimsuit for the upper body part for infants, when the wearer is viewed from the front, the joint is provided in a place where the joint cannot be visually recognized, so that the beauty is improved. In addition, since the joint portion is provided on the back of the armpit where there is a lot of movement or on the back where there is less movement than the front of the body, it is possible to make it difficult for the wearer to feel uncomfortable.

  Such an infant's upper body disposable swimsuit, wherein the front body and the rear body are joined at one joint, and in the natural state of the disposable swimsuit of the infant upper body part, the joint is It is desirable to be provided in the center portion in the left-right direction on the rear side of the disposable swimsuit of the upper body part for infants.

  According to such a disposable swimsuit for the upper body part for infants, when the wearer is viewed from the front, the joint is provided in a place where the joint cannot be visually recognized, so that the beauty is improved. In addition, since the joint portion is provided on the back surface with less movement than the front surface or armpit of the body with much movement, it is possible to make it difficult for the wearer to feel uncomfortable.

  In such a disposable swimsuit for the upper body part for infants, the central part in the left-right direction of the front body has a recessed part recessed downward, and the recessed part located at the lowest side of the recessed part is the uppermost part. It is desirable that the lower end is positioned above the upper end of the joint.

  According to such a disposable swimsuit for the upper body part for infants, even when an elastic member is stretched or a lateral force is applied at the time of wearing, the possibility of the front body being damaged can be reduced.

  Such a disposable swimsuit for an upper body part for infants, comprising a shoulder strap provided with a shoulder strap elastic member extending and contracting in the vertical direction on one side and the other side in the left-right direction, and an end of the shoulder strap Are fixed to the front body and the back body, respectively, and at least a part of the shoulder strap elastic member preferably overlaps the elastic member in the front-rear direction.

  According to such a disposable swimsuit for the upper body part for infants, even if the shoulder strap is extended in the vertical direction in the worn state, the shoulder strap and the front body or the back body can be more firmly fixed.

  Such a disposable swimsuit for the upper body part for infants has a frill with heels, and the number of the heels is preferably different between the front side and the rear side of the disposable swimsuit for the upper body part for infants. .

  According to such a disposable swimsuit of the upper body part for infants, the aesthetics when the wearer is viewed from the front can be improved by making the number of front and rear frills different.

  In such a disposable swimsuit for the upper body part for infants, it is preferable that the number of the heels is larger on the front side than on the rear side.

  According to such a disposable swimsuit for the upper body part for infants, it is possible to improve the aesthetics when the wearer is viewed from the front by providing a frill with more heels on the front side.

  In such a disposable swimsuit for the upper body part for infants, it is desirable that a plurality of the heels are provided on the front side and the heels are not provided on the rear side.

  According to such a disposable swimsuit for the upper body part for infants, by providing a frill with a heel on the front side, the beauty when the wearer is viewed from the front can be improved.

  A set of disposable swimsuits comprising a disposable swimsuit for an upper body part for infants and a disposable swimsuit for a lower body part for infants having an absorbent main body, a pair of waistline parts, a waistline opening part, and a pair of leghole openings.

  According to such a set of disposable swimsuits, an infant can wear a disposable swimsuit in a state where the upper body and the lower body are protected in the same manner as a general swimsuit.

  Up-down direction, left-right direction, front-rear direction perpendicular to the up-down direction and left-right direction, a front body located on the front of the infant when worn, and a rear body located on the back, and elasticity that expands and contracts in the left-right direction A method for manufacturing a disposable swimsuit for an upper body part for infants provided with a member, wherein the front body and the rear body are formed in different shapes.

  According to the disposable swimsuit of the upper body part for infants manufactured by such a manufacturing method, it is easy for a person who is trying to wear to an infant or an infant to recognize the front side and the rear side of the disposable swimsuit of the upper body part for infants, It becomes easier to wear. Moreover, since it can be made into the shape according to the infant's body shape which has a different body shape before and behind, it can be made to make it easier to fit to the infant's body.

=== Embodiment ===
An embodiment of a disposable swimsuit for infants according to the present invention will be described. FIG. 1A is a front view of a disposable swimsuit in a worn state. FIG. 1B is a view of the disposable swimsuit in a worn state as viewed from the back.

  As shown in FIG. 1A and FIG. 1B, the infant disposable swimsuit 100 is a set of a disposable swimsuit 1 for the upper body part for infants and a disposable swimsuit 2 for the lower body part for infants. In the following, disposable swimsuits for infants are also referred to as "swimsuits" and "sets of swimsuits", disposable swimsuits for upper body parts for infants are referred to as "swimsuits for upper body parts", and disposable swimsuits for lower body parts for infants are also referred to as "swimsuits for lower body parts" . The disposable swimsuit 100 for infants is intended for infants, especially girls, and is more suitable for 2-4 year olds. Hereinafter, the infant wearing the swimsuit 100 is also referred to as a “wearer”.

  In the wearing state shown in FIG. 1A and FIG. 1B, the swimsuit 100 has a vertical direction, a horizontal direction, and a front-rear direction, the wearer's head side is “upper”, and the leg side is “lower”, The abdomen side of the wearer is referred to as “front side” or “front side”, and the back side is referred to as “rear side” or “back side”.

  The swimsuit 1 of the upper body has a shape similar to a camisole with no sleeves and shoulder straps provided on the left and right. As shown in FIG. 1A and FIG. 1B, in the wearing state, the swimsuit 1 of the upper body part is located above the swimsuit 2 of the lower body part, and is located above the navel of the wearer. Details of the swimsuit 1 of the upper body part will be described later.

  The lower body swimsuit 2 is a general pants-type disposable diaper. In the present embodiment, a so-called three-piece type pant having an absorbent main body disposed between the wearer's crotch, a pair of waistline portions covering the waistline of the wearer, a waistline opening portion, and a pair of leghole opening portions Type disposable diaper.

  The absorbent main body includes a top sheet, an absorbent body, a back sheet, and an exterior sheet in order from the skin side in the thickness direction. The top sheet is a liquid-permeable sheet, and a hydrophilic air-through nonwoven fabric or spunbonded nonwoven fabric can be used. The back sheet is a liquid-impermeable sheet, and a polyethylene film, a polypropylene film, or the like can be used. The top sheet and the back sheet are large enough to cover the absorber.

  The pair of waistline portions are a stomachside waistline portion that covers the wearer's stomach side and a backside waistline portion that covers the back side. Each of the abdominal side waistline part and the back side waistline part includes two flexible sheet members such as non-woven fabrics and a plurality of waistline elastic members such as thread rubbers that expand and contract in the left-right direction. The plurality of waistline elastic members are arranged side by side in the vertical direction and are fixed between the two sheet members in a state of extending in the left-right direction. Thereby, the abdominal side waistline part and the back side waistline part can be expanded-contracted in the left-right direction, and fit a wearer's waistline.

  Join the non-skin side of the upper side of the abdominal side of the absorbent main body and the skin side of the side of the abdominal waist with an adhesive, etc. Bond with an adhesive or the like, fold the absorbent main body in half so that the abdominal waistline and the back waistline face each other, and the lateral side of the abdominal waistline and the side of the back waistline By joining the two, the swimsuit 2 of the lower body part of the pants type is obtained.

  As shown in FIG. 1A and FIG. 1B, the disposable swimsuit 100 includes an upper body swimsuit 1 and a lower body swimsuit 2 to protect the wearer's upper and lower body in the same manner as a general swimsuit. can do. In addition, it is more preferable that the swimsuit 1 of the upper body part and the swimsuit 2 of the lower body part have a visually unified feeling. For example, it is preferable that the swimsuit 1 of the upper body part and the swimsuit 2 of the lower body part have the same color or pattern or have a characteristic shape. Thereby, the aesthetics can be further improved.

=== Configuration of Disposable Swimsuit 1 for Upper Body for Infants ===
FIG. 2A is a schematic plan view of the disposable swimsuit 1 of the upper body portion in the unfolded state and in the stretched state as seen from the skin side surface side. 2B is a schematic cross-sectional view taken along the line AA in FIG. 2A. FIG. 3A is a schematic plan view of the shoulder strap constituting member 30 in the unfolded state and in the stretched state as seen from the skin side surface. FIG. 3B is a schematic plan view indicated by arrows BB in FIG. 3A. The “deployed state” is a state in which the joint 1B of the swimsuit 1 of the upper body part of the camisole type is separated and opened, and the entire swimsuit 1 of the upper body part is developed in a plane. The “extended state” indicates a state in which the elastic member included in the swimsuit 1 of the upper body part is extended to such an extent that the wrinkles of the swimsuit 1 of the upper body part cannot be visually recognized. Specifically, it is in a state where each member (for example, a back body 20 described later) constituting the swimsuit 1 of the upper body portion is extended until the size of the member coincides with or close to the size of the member itself. The CC line in FIG. 2A is a center line in the left-right direction.

  The upper and lower directions of the swimsuit 1 of the upper body part in the state of FIG. 2A and FIG. 2B (deployed state and extended state) are referred to as “longitudinal direction”, and one side in the longitudinal direction is “front”, “front” or “lower” The other side is also referred to as “rear surface”, “rear surface”, or “lower side”, and the central portion C10 side in the longitudinal direction is referred to as “upper side”. Moreover, the swimsuit 1 of an upper body part has thickness direction, and makes the side which contacts a wearer the "skin side", and makes the other side the "non-skin side". The “thickness direction” in the expanded state and in the extended state corresponds to the “front-rear direction” in the wearing state.

  As shown in the unfolded state of FIG. 2A, the swimsuit 1 of the upper body part has a symmetrical shape with respect to the center line CC, and the front body 10, the back body 20, and a pair of shoulder straps 35, 35. Have The front body 10 is folded in half at the central portion C10 so that the lower end portion 10b of the front body 10 and the lower end portion 20b of the rear body 20 are opposed to each other, and both the left and right side portions 10e of the front body 10 and the both side portions 20e of the rear body 20 are By joining and making it a pair of junction part 1B, it becomes the swimsuit 1 of the upper body part of a camisole type.

  As shown in FIGS. 2A and 3A, the shoulder strap constituting member 30 has a pair of shoulder strap portions 35 (also referred to as “shoulder strap 35”) and a shoulder strap fixing portion 36. The pair of shoulder strap portions 35 are portions constituting a camisole-type shoulder strap in the worn state. The two shoulder strap portions 35 are substantially the same size and have the same rectangular shape. The shoulder strap portion 35 is provided at one end and the other end in the left-right direction of the shoulder strap constituting member 30, and is provided from the front end in the longitudinal direction of the shoulder strap constituting member 30 to the rear end. Yes. The shoulder strap fixing portion 36 is a portion for fixing each end portion of the shoulder strap constituting member 30 in the longitudinal direction to the front body 10 and the back body 20, and the shoulder strap fixing portion 36 and the front body 10 or the back body 20. It is the part where and are overlapped. In the present embodiment, each end portion in the longitudinal direction of the shoulder strap constituting member 30 and each end portion in the left-right direction are a shoulder strap portion 35 and a shoulder strap fixing portion 36.

  As shown in FIG. 3B, the shoulder strap constituting member 30 includes a top sheet 31 on the most skin side, a back sheet 32 and an exterior sheet 33 on the non-skin side from the top sheet 31, and includes a plurality of shoulder strap elastic members 34. ing. The top sheet 31 is a liquid-permeable sheet, and examples thereof include a hydrophilic air-through nonwoven fabric and a spunbond nonwoven fabric. The back sheet 32 may be a liquid impermeable sheet, and examples thereof include a polyethylene film and a polypropylene film. The exterior sheet 33 may be a liquid permeable sheet or a liquid impermeable sheet. However, in this embodiment, a liquid-impermeable sheet is used in order to increase hydrophobicity. The exterior sheet 33 is folded at the end in the left-right direction toward the skin side, and the back sheet 32 and the shoulder strap elastic member 34 are disposed inside the folded exterior sheet 33.

  As shown in FIG. 3A, the shoulder strap portion 35 penetrates the shoulder strap constituent member 30 in which the constituent members (31, 32...) Are superimposed on the front body 10 and the back body 20. It is provided by forming the hole 38 formed. The hole 38 has a substantially oval shape that is long in the longitudinal direction and has a collar 15 at the front end. The manufacturing method of the swimsuit 1 of the upper body part including the shoulder strap component 30 will be described later.

  The front body 10 includes two flexible sheet members 11 and 12 such as nonwoven fabric. As shown in FIG. 2B, the non-skin side sheet member 12 is located on the non-skin side with respect to the skin side sheet member 11. The non-skin side sheet member 12 has its lower end folded back upward, and the end of the folded non-skin side sheet in the left-right direction is located on the skin side from the skin side sheet member 11. In the present embodiment, the skin-side sheet member 11 located on the skin side is a liquid-permeable sheet, and may be exemplified by a hydrophilic air-through nonwoven fabric or a spunbond nonwoven fabric, and the non-skin-side sheet member 12 located on the non-skin side. Is a liquid-impermeable sheet, and examples thereof include a polyethylene film and a polypropylene film. The two sheet members 11 and 12 are overlapped and fixed with an adhesive or the like.

  The front body 10 has a shape similar to a substantially trapezoidal shape in which the short side is located on the upper side and the long side is located on the lower side, and is a shape obtained by removing the collar portion 15 from the substantially trapezoidal shape. The collar portion 15 has a shape in which the inner side in the left-right direction is cut upward from the shoulder strap portion 35 toward the upper side, and the center portion in the left-right direction is most depressed. In the wearing state, the collar portion 15 is substantially V-shaped. The front body 10 is not provided with an elastic member.

  The back body 20 includes flexible sheet members 21 and 22 such as a nonwoven fabric such as a nonwoven fabric, and a plurality of elastic members 23 such as a thread rubber that expands and contracts in the left-right direction. In this embodiment, the skin side sheet member 21 located on the skin side is a liquid-permeable sheet similarly to the skin side sheet member 11, and the non-skin side sheet member 22 located on the non-skin side is a non-skin side sheet. Like the member 12, it is a liquid-impermeable sheet. The plurality of elastic members 23 are arranged side by side at intervals in the vertical direction, and are fixed between the two sheet members (21, 22) in a state of extending in the left-right direction. As shown in FIG. 2B, the non-skin side sheet member 22 is positioned on the non-skin side with respect to the skin side sheet member 21, and the lower end portion of the non-skin side sheet member 22 is folded upward and folded. The part is located on the skin side from the skin side sheet member 21. The elastic member 23 is fixed with an adhesive or the like while being sandwiched between the two sheet members 21 and 22. Therefore, the back body 20 can be expanded and contracted in the left-right direction, and fits the wearer's back.

  As shown in FIGS. 2A and 4, the shapes of the front body 10 and the back body 20 are different. FIG. 4 is a schematic diagram illustrating the configuration of the schematic plan view of FIG. 3A. In FIG. 4, the elastic member 23 and the like are omitted from the schematic plan view of FIG. 2A. The front body 10 and the back body 20 both have a symmetrical shape, but the back body 20 is a rectangle having a longer length in the longitudinal direction than a length in the left-right direction. On the other hand, the front body 10 has a substantially trapezoidal shape having a short side on the upper side and a long side on the lower side. Thus, the shape of the front body 10 and the back body 20 is different, so that the wearer or the person who is trying to wear can easily recognize the front side and the back side of the swimsuit 1 of the upper body part. In particular, an infant who is a wear target is in the process of starting to develop an ego, and may try to wear a disposable swimsuit by himself. Therefore, by providing the front body 10 and the back body 20 having different shapes, the infant can easily distinguish the front side and the rear side of the swimsuit 1 of the upper body part, and the infant can be easily worn alone. In addition, the general body type of infants has a larger stomach than the back. Therefore, by making the shapes of the front body 10 and the back body 20 different, it is possible to make the swimsuit 1 of the upper body part suitable for the baby's body shape.

  Furthermore, the shape of the upper end 10f from one side to the other in the left-right direction of the front body 10 is different from the shape of the upper end 20f from one side to the other in the left-right direction of the back body 20, so that the front body 10 and the back body 20 It is easy to recognize. That is, as shown in FIGS. 2A and 4, the upper end 20 f of the back body 20 is a substantially straight line along the left-right direction, whereas the upper end 10 f of the front body 10 is the uppermost end (the front body) The uppermost end) 10t, the curved portion 16 curved inward from the uppermost end 10t to the upper end of the side portion 10e, and the collar portion 15 having a shape recessed downward from the uppermost end 10t. The bending portion 16 has a shape curved inward so that the upper arm of the wearer can be easily moved in the wearing state. Usually, since a human often performs an operation of moving his / her arm forward, providing the bending portion 16 can reduce the possibility of hindering the wearer's movement. The collar part 15 is a part which covers a wearer's collar in a wearing condition. In the present embodiment, the collar portion 15 has a plurality of curved shapes, the center portion in the left-right direction is located on the lowermost side, and is located on the upper side from the center portion in the left-right direction toward the outside. It is substantially V-shaped when worn. At this time, the vertical length Lc between the upper end 10c and the uppermost end 10t of the front body 10 in the left-right direction is the vertical length Lc between the upper end 20c and the uppermost end 20t of the rear body 20. Longer than the length. That is, as shown in FIG. 4, the upper end 10c at the center in the left-right direction of the front body 10 is located below the uppermost end 10t, so Lc is greater than zero. On the other hand, the upper end 20c at the center in the left-right direction of the back body 20 is substantially the same as the uppermost end 20t in the vertical direction, so the vertical length is zero.

  Different shapes of the upper end 10f and the upper end 20f make it easier for an infant or the like to recognize the front side and the rear side of the swimsuit 1 in the upper body part. In addition, since it has a predetermined vertical length (Lc) between the upper end 10c and the uppermost end 10t at the center in the left-right direction, it can be shaped so that the neck is released in the worn state. Can be improved, and the beauty when the wearer is viewed from the front can be improved.

  In the present embodiment, the upper end 10f of the front body 10 has the uppermost end 10t, the curved portion 16, and the collar portion 15, and the upper end 20f of the rear body 20 is substantially straight, but is not limited thereto. Both the upper end 10f and the upper end 20f may be linear, may have only a shape in which a plurality of curved portions are continuous, or the center in the left-right direction of the rear body 20 as well as the front body 10 The shape may be depressed toward the lower side. Each of the upper end 10f and the upper end 20f can have an arbitrary shape.

  As shown in FIGS. 2A and 4, the front body 10 is larger than the back body 20. That is, the area of the front body 10 is larger than the area of the back body 20. In the vertical direction, the length (L10) of the longest part of the front body 10 is longer than the length (L20) of the longest part of the back body 20 (L10> L20). As shown in FIG. 4, in the present embodiment, the longest portion of the front body 10 in the vertical direction is the portion that overlaps the shoulder strap portion 35, and is the lowest portion located on the lowermost side of the front body 10. The length in the vertical direction from the lower end 10b to the uppermost end (front end uppermost end) 10t located on the uppermost side is L10. Since the rear body 20 has a substantially constant vertical length, the rear body 20 extends in the vertical direction from the lowermost end 20b positioned on the lowermost side to the uppermost end (uppermost end of the rear body) 20t positioned on the uppermost side. The length is L20 over the entire region in the left-right direction. The lowermost end 10b of the front body 10 and the lowermost end 20b of the rear body 20 are substantially parallel straight lines along the left-right direction.

  In the present embodiment, the vertical lengths of the side portion 10e and the side portion 20e are substantially the same. Therefore, as described above, when the side part 10e of the front body 10 and the side part 20e of the back body 20 are joined to form the camisole-type upper body swimsuit 1, the length LM that becomes the part that covers the collar when worn An area | region will be located above the upper end of the side part 10e of the front body 10. FIG. That is, if the vertical position of the lowermost end 10b of the front body 10 and the lowermost end 20b of the rear body 20 are the same, the upper end 10t of the front body 10 is positioned above the uppermost end 20t of the rear body 20. Become. In the present embodiment, in the vertical direction, the difference between the longest part (L10) of the front body 10 and the longest part (L20) of the back body 20 is the length LM (L10-L20). = LM).

  By having the front body 10 and the back body 20 like this, the infant can more easily recognize the front body 10 and the back body 20. Furthermore, in view of covering the wearer's chest, which is one of the purposes of wearing the swimsuit 1 of the upper body part, the front body 10 is made larger than the back body 20 to correspond to the body shape of the infant. Can properly cover the wearer's chest.

  Further, as shown in FIG. 2A, the back body 20 is provided with a plurality of elastic members 23, but the front body 10 is not provided with elastic members. That is, the back body 20 expands and contracts in the left-right direction, but the front body 10 hardly stretches in the left-right direction. Therefore, in the wearing state, when the wearer is viewed from the front, as shown in FIG. 1A, almost no wrinkles due to the elastic member can be seen in the swimsuit 1 of the upper body part, but when the wearer is viewed from the back, Like 1B, a plurality of wrinkles can be visually recognized in the swimsuit 1 of the upper body part.

  FIG. 5 is a side view of the disposable swimsuit 100 in a worn state. FIG. 5 shows a state where the worn infant is viewed from the right side, and the infant raises both hands up. As shown in FIG. 5, the back surface of the infant is in a state of being appropriately fitted by the elastic member, while the front surface of the infant is not tightened by the elastic member, so the front body 10 simply covers the infant's body. It becomes such a state and becomes a shape along the front of the infant.

  Infants generally have a body shape with the abdomen protruding forward, so the front is rounder than the back, and the front is larger than the chest, and the body swells from the chest to the abdomen. Yes. For example, if an elastic member is disposed on the front body 10 in the same manner as the back body 20, the elastic member tends to move to a portion that is more easily contracted. Therefore, the elastic member moves to the chest with a small bulge in the front of the body. As a result, the front body 10 is pulled upward and rises to the chest, and a plurality of elastic members gather in a narrow region, and the chest may be tightened excessively. Further, when the front body 10 is provided with an elastic member, the lower part of the front body 10 is easily lifted upward according to the movement of the infant, and the infant is wearing the swimsuit 1 of the upper body part. There is a fear that the upper body of the child cannot be properly covered, and there is a risk that the raised front body 10 may hinder the movement of the infant.

  On the other hand, the swimsuit 1 of the upper body part of this embodiment includes the elastic member 23 in the back body 20 and does not include the elastic member in the front body 10, so that the front body 10 is pulled upward by the elastic member. It is possible to prevent the elastic member from being collected at the chest and being excessively contracted. Moreover, since the front body 10 which does not have an elastic member in a wearing state can have a part which does not contact | adhere with the infant's body, the possibility that the front body 10 will be pulled up by the movement of the infant is reduced and lifted. The risk of the infant's movement being restricted by the front body 10 can be reduced. Thereby, it is possible to make the swimsuit 1 of the upper body portion of the shape corresponding to the body shape of the infant while appropriately covering the upper body portion of the infant.

  Further, in the natural state of the swimsuit 1 of the upper body part, a pair of joint parts 1B in which the side part 10e of the front body part 10 and the side part 20e of the rear body part 20 are joined are provided on the rear side of the swimsuit 1 of the upper body part. ing. The “natural state” of the swimsuit 1 of the upper body part is defined as follows. First, after taking out the swimsuit 1 of the upper body part packed as a product from the package, the front body 10 and the back body 20 are pulled to both outer sides in the left-right direction, and the front body 10 and the back body 20 are respectively the dimensions of each member. Extend until matched or close. After this stretched state is continued for 15 seconds, the stretched state of the swimsuit 1 in the upper body is released and placed on a flat surface such as a desk. And the state which passed for 5 minutes in the state put on this plane is the natural state of the swimsuit 1 of an upper body part.

  Since the swimsuit 1 of the upper body part does not include the elastic member in the front body 10 and includes the plurality of elastic members 23 in the back body 20, in the natural state, when the elastic member 23 contracts, the back body 20 Shrink in the direction. As a result, as a natural state, in a state where the front body 10 is placed on the lower surface and the rear body 20 is placed on the flat surface for 5 minutes, the pair of locking portions 1B are located on the upper side. A part (at least a part of the end in the left-right direction) is also located on the upper side.

  When this upper body swimsuit 1 is worn, as shown in FIG. 5, the joint 1 </ b> B is located on the back side of the wearer. The position of the joint 1B is apparent when compared with the swimsuit 2 of the lower body part. The lower body swimsuit 2 includes elastic members that expand and contract in the left-right direction at both the front waistline portion and the rear waistline portion, and the joint portion 2B that joins the waistline portion and the rear waistline portion is the front and back surfaces of the wearer. It is located almost at the boundary. That is, it can be seen that the joint 1B of the swimsuit 1 of the upper body part is located behind the joint 2B of the swimsuit 2 of the lower body part.

  Since the joint portion 1B is located on the rear side, the joint portion 1B is provided at a position where it is difficult to visually recognize. Therefore, when the wearer wearing the swimsuit 1 of the upper body portion is viewed from the front, the beauty from the front is obtained. Can be improved. In addition, since the joint portion 1B is hardened by joining such as welding, it is felt when the joint portion 1B is provided in a portion having a lot of movement such as the front surface or the armpit of the body by providing the joint portion 1B on the back surface. It is possible to further reduce the sense of incongruity when wearing by a feared wearer.

  Further, as shown in FIG. 4 and the like, the most recessed portion of the collar portion 15 is provided at the center in the left-right direction, and the lowermost end 15b of the lowermost recessed portion is the upper end 10f of the front body 10. This is the lowermost part. The lowermost end 15b is preferably located above the upper end of the joint 1B of the swimsuit 1 of the upper body part of the camisole type. That is, it is preferable that the upper end 10f of the front body 10 does not have a portion located below the upper end of the joint 1B. In the swimsuit 1 of the upper body portion of the camisole type, the lowermost end 15b of the collar portion 15 is positioned above the elastic member 23 in the extended state. Since the front body 10 and the back body 20 are connected in an annular shape by the one-side locking portion 1B and the other-side locking portion 1B in the left-right direction, when wearing or trying to wear, the pair of locking portions 1B The pulling force works. Here, if the lowermost end 15b of the collar portion 15 is positioned below the upper end of the joint portion 1B, the lowermost end 15b of the collar portion 15 is likely to be a starting point of breakage due to the pulling force. In this respect, by providing the lowermost end 15b of the collar portion 15 above the upper end of the joint portion 1B, the possibility that the lowermost end 15b of the collar portion 15 becomes a starting point of damage can be reduced.

  Furthermore, as shown to FIG. 2A, the edge part by the side of the back body 20 of the shoulder strap elastic member 34 of the shoulder strap part 35 has overlapped with the elastic member 23 of the back body 20 in the thickness direction. Thus, for example, even if the shoulder strap elastic member 34 is pulled strongly in the vertical direction and the shoulder strap elastic member 34 tries to extend excessively, the elastic member 23 of the back body 20 that overlaps the shoulder strap elastic member 34 moves in the left-right direction. Therefore, excessive extension of the shoulder strap elastic member 34 in the vertical direction can be reduced. Therefore, it is possible to reduce the risk that the shoulder strap portion 35 is damaged due to the extension in the vertical direction or is separated from the back body 20, and the shoulder strap constituting member 30 and the back body 20 are more firmly fixed. Can be.

  In addition to the basic configuration of the swimsuit 1 of the upper body part, decoration such as frills may be added. Since the person to be worn is mainly a girl child, the interest of the wearer and the like can be further increased by adding a cute decoration or the like. For example, the front body 10 and the back body 20 can be provided with frills (not shown) having a plurality of heels. At this time, the number of heels of the front frill provided on the front body 10 and the number of heels of the back frill 20 provided on the back body 20 may be different. By providing the frills with different numbers of heels, the infant can easily recognize the front side and the rear side of the swimsuit 1 of the upper body part.

  Furthermore, it is more preferable that the number of front ruffle wrinkles is larger than the number of rear frill wrinkles. By providing more heels on the front side, it is possible to improve the beauty when the wearer is viewed from the front. In addition, the infant can more easily recognize the front side and the rear side of the swimsuit 1 in the upper body part.

  Further, only the front frill may be provided and the rear frill may not be provided. By providing the frill at least on the front side, it is possible to improve the beauty when the wearer is viewed from the front.

  In addition, the decoration added to the swimsuit 1 of an upper body part is not restricted only to a frill. Decorations that children enjoy, such as symbols, sequins, and rhinestones, can be added as appropriate.

  In addition, it is more preferable that the number of materials stacked in the thickness direction of the shoulder strap portion 35 of the upper body swimsuit 1 is larger than the number of materials stacked in the thickness direction of the front body 10 and the back body 20. . Although the shoulder strap portion 35 is shorter in the left-right direction than the front body 10 and the back body 20, a large amount of force in the vertical direction is applied during wearing or during wearing due to the movement of the wearer. It is easy to break because it is a part. Therefore, by increasing the number of materials stacked in the thickness direction of the shoulder strap portion 35, the risk of the shoulder strap portion 35 being damaged can be further reduced.

  Moreover, in order to further reduce the possibility of the shoulder strap portion 35 being damaged, it is preferable that the end portion in the left-right direction of the single exterior sheet 33 is folded toward the skin side. Furthermore, it is preferable to interpose a film in the folded portion of the outer layer sheet 33. In the embodiment described above, as shown in FIG. 3B, the rigidity is further enhanced by stacking the exterior sheet 33, the back sheet 32, and the exterior sheet 33 in order from the skin side. Further, the shoulder strap portion 35 includes a back sheet 32 made of a liquid-impermeable film sheet such as a polyethylene film or a polypropylene film having a rigidity higher than that of the exterior sheet 33, thereby further reducing damage to the shoulder strap portion 35. ing.

  Furthermore, the shoulder strap portion 35 is provided with a shoulder strap elastic member 34 to give the shoulder strap portion 35 elasticity in the vertical direction. The rigidity of the shoulder strap elastic member 34 prevents damage to the shoulder strap portion 35 due to the force in the vertical direction, and adjustment by expansion and contraction is possible to cope with the difference in the size of the wearer's body.

  In the present embodiment, one shoulder strap constituting member 30 includes a pair of shoulder strap portions 35, and one shoulder strap portion 35 and the other shoulder strap portion 35 are connected by a shoulder strap fixing portion 36. However, the present invention is not limited to this. The shoulder strap portion 35 on one side and the shoulder strap portion 35 on the other side may be separated. Thereby, since the shoulder strap part 35 of arbitrary shapes can be provided in arbitrary places, the comfort and design property of the swimsuit 1 of an upper body part can be improved. However, one shoulder strap constituting member 30 includes a pair of shoulder strap portions 35, and the shoulder strap portion 35 on one side and the shoulder strap portion 35 on the other side are connected by a shoulder strap fixing portion 36. Thus, the shoulder strap fixing portion 36 can be made wider, and the bonding strength between the shoulder strap portion 35 and the front body 10 or the back body 20 can be further improved.

=== Method for Producing Disposable Swimsuit 1 for Upper Body ===
Then, the manufacturing method of the swimsuit 1 of an upper body part is demonstrated. FIG. 6 is a flowchart of each process in manufacturing the disposable swimsuit 1 of the upper body part. FIG. 7 is a diagram illustrating a manufacturing apparatus 200 that manufactures the disposable swimsuit 1 of the upper body part.

  As shown in FIG. 6, the swimsuit 1 of the upper body part includes base material conveyance (S 201), adhesion region formation (S 202), elastic member arrangement (S 203), superposition of base materials (S 204), and elastic member cutting (S 205). , Base material cutting (S206), shoulder strap constituting member arrangement (S207), hole cutout (S208), base material folding (S209), welding (S210), and base material cutting (S211) Is done.

  Hereinafter, each process will be described with reference to the manufacturing apparatus 200. The manufacturing apparatus 200 shown in FIG. 7 manufactures the swimsuit 1 of the upper body part continuously by performing each said process (S201-S211). The manufacturing apparatus 200 includes a transport mechanism 201, an adhesion region forming mechanism 210, an elastic member arrangement mechanism 220, an overlapping mechanism 230, an elastic member cutting mechanism 240, a base material cutting mechanism 250, and a shoulder strap constituent member joining mechanism. 260, a hole cutout mechanism 270, a folding mechanism 280, a welding mechanism 290, and a separation mechanism 300.

  First, the base material a (b) (hereinafter also simply referred to as “base material”) of the swimsuit 1 in the upper body part is transported by the transport mechanism 201 at a predetermined transport speed. The “base material of the swimsuit 1 of the upper body part” is a state in which the non-skin side sheet members 12 and 22 (or the skin side sheet members 11 and 21) constituting the front body 10 and the back body 20 are arranged side by side in the vertical direction. The base material a is a belt-like sheet member in which the non-skin-side sheet member is continuous, and the base material b is made of the skin-side sheet member in succession. It is a strip-shaped sheet member. The “transport direction” is a direction along the left-right direction of the front body 10 and the back body 20 in FIG. 2A. In the following description, a direction that intersects the conveyance direction (that is, a direction along the vertical direction of the front body 10 and the back body 20) is also referred to as a “crossing direction”.

  FIG. 8 is a diagram for explaining a state in which the base material of the swimsuit 1 in the upper body part is transported in the transport direction, and shows a state after the shoulder strap constituent member arranging step (S207) is performed. When the swimsuit 1 of the upper body part is made into a camisole type, a cutting point CL that is a part constituting the left and right ends of the swimsuit 1 of the upper body part is set, and the operation of each process is controlled based on this cutting part CL Is done. Note that the cutting points CL are set at an interval (pitch) of P1 in the transport direction. This interval P1 corresponds to the lateral length of the front body 10 and the back body 20 before contraction.

  Next, in the adhesion region forming mechanism 210, a hot melt adhesive is attached to a predetermined region corresponding to the back body 20 on the conveyed substrate a to form an adhesion region (S202). The adhesion region forms a pair of adhesion regions on both sides in the transport direction across the cut portion CL on the base material a.

  Subsequently, in the elastic member arrangement mechanism 220, a plurality of elastic members 23 are arranged in an extended state in the transport direction (S203). At this time, it arrange | positions so that at least one part area | region of the some elastic member 23 may overlap with an adhesion | attachment area | region, and it adhere | attaches on the base material a.

  Then, in the superposition mechanism 230, the base material b is superposed on the base material a and the plurality of elastic members 23 (S204). Thereby, the some elastic member 23 is fixed in the state pinched | interposed into the base material a and the base material b in the thickness direction.

  Next, the elastic member cutting mechanism 240 cuts the elastic member 23 at the center between the adjacent cut portions CL. The elastic member cutting mechanism 240 cuts the elastic member 23 at a predetermined location by the cutter and the member supporting the cutter performing a predetermined operation.

  Then, the base material cutting mechanism 250 separates the base material a and the base material b into a belt-like front body 10z in which the front body 10 is continuous and a belt-like back body 20z in which the back body 20 is continuous. At this time, the belt-like front body 10z and the belt-like back body 20z are cut so that the lengths in the crossing direction are different.

  Thereafter, the shoulder strap constituting member joining mechanism 260 arranges and joins the shoulder strap constituting member 30 so as to be bridged between the belt-like front body 10z and the belt-like rear body 20z (S207). The joining of the belt-like front body 10z and the belt-like back body 20z and the shoulder strap constituting member 30 is performed using a hot melt adhesive or the like. A region joined by a hot melt adhesive or the like is a shoulder strap fixing portion 36. As shown in FIG. 8, the hole portion 38 and the shoulder strap portion 35 are not formed in the shoulder strap constituting member 30 in this state. In this step, the lengths of the front body 10 and the back body 20 (the belt-like front body 10z and the back body 20z) in the left-right direction are the same so as to straddle each end in the longitudinal direction of the shoulder strap component 30. A certain sheet member 14, 24 may be overlapped from the skin side. By providing the sheet members 14 and 24, the touch when worn can be improved.

  Next, in the hole cutout mechanism 270, the hole 38 is formed in the shoulder strap constituting member 30 and the belt-like front body 10z, and at the same time, the curved portion 16 is formed in the belt-like front body 10z (S208). FIG. 9 is a diagram for explaining a state in which the hole 38 is formed after FIG. The hole 38 is a hole penetrating the shoulder strap constituting member 30 and the belt-like front body 10z, and is formed by being sandwiched and passed between a cutter roller and an anvil roller provided in the hole cutout mechanism 270. The curved portion 16 has a semicircular shape provided on both sides in the conveying direction with the cutting point CL as the center, and is recessed toward the outside in the intersecting direction using a cutter roller and an anvil roller that form the hole 38. It is formed. At this time, in the crossing direction, it is preferable that the end of the hole 38 on the belt-shaped front body 10z side is located on the belt-shaped back body 20z side than the most depressed portion u of the belt-shaped front body 10z. Thereby, even when the belt-shaped front body 10z is transported in the transport direction in a state where a certain tension is applied, it is possible to reduce the occurrence of a tear at the end of the hole 38 on the belt-shaped front body 10z side. The belt-like front body 10z can be stably conveyed. Moreover, it is preferable that the belt-shaped front body 10z and the belt-shaped rear body 20z have different shapes. As shown in FIG. 9, the belt-like back body 20z has only sides that are substantially parallel to the transport direction, but the belt-like front body 10z is substantially parallel to the transport direction on the outside in the crossing direction. It has sides, and the inner side in the intersecting direction has curved portions 16 on both sides in the conveying direction with the cutting point CL as the center. In the base material cutting step (S206) and the hole cutout (S208), the front side and the rear side of the swimsuit 1 of the upper body part of the camisole type are made different in shape and size of the belt-like front body 10z and the belt-like back body 20z. The side can be easily recognized. Moreover, since it can be set as the shape of the front body 10 and the back body 20 according to the infant's body from which a body shape differs in the front and back, it can be set as the swimsuit 1 of the upper body part suitable for the infant's body. .

  Subsequently, in the folding mechanism 280, the shoulder strap constituting member 30 is folded at the center in the crossing direction, and the belt-like front body 10z and the belt-like back body 20z are overlapped in the thickness direction (S209).

  A predetermined region is welded to the belt-like front body 10z and the belt-like back body 20z in a superposed state in the welding mechanism 290 to form the joint 1B (S210).

  Finally, in the separation mechanism 300, the front body 10 and the back body 20 are separated from the belt-like front body 10z and the belt-like back body 20z at the cutting point CL (S211), and the swimsuit 1 of the upper body part of the camisole type is formed.

  In this embodiment, by using a hot melt adhesive in the shoulder strap constituent member joining mechanism 260, the front body 10 and the back body 20 and the shoulder strap constituent member 30 are joined by the hot melt adhesive. I can't. In the shoulder strap component joining mechanism 260, welding such as heat sealing or pressure bonding may be performed. In the case where the hot melt adhesive is used for bonding, if the hot melt adhesive is applied to a portion other than the shoulder strap fixing portion 36, the production line may be contaminated, the production apparatus may be damaged, or the swimsuit 1 on the upper body may be removed. When wetted with water, the joining portion by the hot melt adhesive becomes loose, and there is a possibility that the shoulder strap constituting member 30 may be separated from the front body 10 or the back body 20. On the other hand, by joining the front body 10 and the back body 20 and the shoulder strap constituting member 30 by heat sealing or the like, there is a risk that the joint will become loose even if the swimsuit 1 of the upper body part gets wet with water. Can be reduced.

=== Other Embodiments ===
As mentioned above, although embodiment of this invention was described, said embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention. Further, the present invention can be changed or improved without departing from the gist thereof, and needless to say, the present invention includes equivalents thereof. For example, the following modifications are possible.

  In the above-described embodiment, the elastic members 23 and 34 are made of rubber thread, but are not limited thereto. Other elastic members such as an elastic sheet may be used.

  In the above-described embodiment, the elastic member 23 is provided on the back body 20 and the elastic member is not provided on the front body 10, but this is not a limitation. The number of elastic members such as rubber thread provided in the front body 10 may be different from the number of elastic members provided in the back body 20. For example, the number of thread rubbers arranged on the front body 10 may be made larger than the number of thread rubbers arranged on the back body 20. Even if the body shape is different between the front and back of the body like an infant, it can be easily fitted according to the body shape.

  The number of elastic members such as thread rubber included in the front body 10 is different from the number of elastic members included in the back body 20, and the number of thread rubbers included in the back body 20 is greater than the number of thread rubbers included in the front body 10. More is more preferable. As a result, it is possible to make the infant's front surface more round by making the elastic force smaller by the front body 10 with less rubber thread on the more rounded front surface of the infant. On the other hand, more rubber thread is arranged on the back surface that is flatter than the front surface to fit the back surface of the infant, and the entire disposable diaper 1 in the upper body part can be more closely fitted around the infant's chest. In this case, it is preferable that the elastic member that expands and contracts in the left-right direction of the front body 10 is not disposed in the upper part of the front body 10 but in the lower part. Depending on the degree of growth of the infant, the chest circumference is small and a gap is formed between the front body 10 and the front of the infant, and the lower part of the swimsuit 1 in the upper body part may be separated from the body. By adjusting the number of elastic members provided on the back body 20, it is possible to provide fit according to the body shape of the infant.

  Furthermore, in the above-mentioned embodiment, although the shoulder strap elastic member 34 and the elastic member 23 of the back body 20 decided to overlap in the thickness direction, it is not restricted to this. The shoulder strap elastic member 34 does not have to overlap in the thickness direction with the elastic member that expands and contracts in the left-right direction provided in the front body 10 or the back body 20. Further, the front body 10 may be provided with an elastic member, and the shoulder strap elastic member 34 may overlap the elastic member of the front body 10, or the shoulder strap elastic member 34 may be the elastic member of the front body 10 and the back body 20. It may overlap with both the elastic members 23 in the thickness direction. The larger the number of elastic members of the front body 10 that overlap the shoulder strap elastic members 34 in the thickness direction and the number of elastic members 23 of the back body 20, the more firmly the shoulder strap portions 35 are fixed to the front body 10 and the back body 20. can do.

  In the above-described embodiment, the left and right lengths of the front body 10 and the back body 20 are the same in the unfolded state and in the stretched state. Although the joining part 1B is located on the rear side of the swimsuit 1 of the upper body part, it is not limited to this. You may change the dimension of each member, etc. so that the junction part 1B may be previously provided in the back side. For example, the front body 10 and the back body 20 may each be provided with an elastic member, and the length of the front body 10 in the left-right direction may be longer than the length of the back body 20 in the left-right direction.

  Moreover, in the above-mentioned embodiment, although it was the swimsuit 1 of the upper body part provided with a pair of junction part 1B, it is not restricted to this. For example, a single joint may be provided, and the shoulder straps may be fixed to the front body and the back body after the front body and the back body are joined by one joint. In this case, in a natural state, it is preferable that one joining portion is provided in the center portion in the left-right direction on the rear side of the swimsuit 1 of the upper body part. Thereby, since the junction part is provided in the place which cannot be visually recognized when seeing the wearer of a wearing condition from the front, aesthetics improve. Moreover, since the joining part harder than another part is provided in the back surface similarly to the case where a pair of joining part 1B is provided, the discomfort felt by the wearer can be reduced.

  In the above-described embodiment, a so-called 3-piece type pants-type disposable diaper is used for the swimsuit 2 of the lower body part, but the present invention is not limited to this. It may be a so-called two-piece type pants-type disposable diaper or a tape-type disposable diaper. Moreover, it is not always necessary to use the swimsuit 1 of the upper body part and the swimsuit 2 of the lower body part as a set. Only the swimsuit 1 of the upper body part may be used.

1 Swimsuit of the upper body part (disposable swimsuit of the upper body part for infants),
2 Lower body swimsuit (disposable swimsuit for infant lower body part),
10 The front body,
10c The upper end at the center in the left-right direction,
10b bottom end, 10t top end (front body top end),
10e side, 10f top,
10z belt-shaped front body,
11 skin side sheet member, 12 non-skin side sheet member,
15 collar, 15b bottom end,
16 curved part,
20 Back body,
20c The upper end at the center in the left-right direction,
20b bottom end, 20t top end (back body top end),
20e side, 20f top,
20z belt-like back body,
21 skin side sheet member, 22 non-skin side sheet member,
30 shoulder strap components,
31 top sheet, 32 back sheet, 33 exterior sheet,
34 Shoulder strap elastic member,
35 shoulder strap part (shoulder strap), 36 shoulder strap fixing part,
38 holes,
100 disposable swimsuit (a set of disposable swimsuits for infants, disposable swimsuits for infants),
200 manufacturing equipment, 201 transport mechanism,
210 adhesive region forming mechanism, 220 elastic member arrangement mechanism,
230 superposition mechanism, 240 elastic member cutting mechanism,
250 base material cutting mechanism, 260 shoulder strap component joining mechanism,
270 hole cutout mechanism, 280 folding mechanism,
290 welding mechanism, 300 separation mechanism,
a base material, b base material

Claims (19)

An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
A front body located on the front of the infant and a back body located on the back when worn;
A disposable swimsuit for the upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
The shape of the front body and the back body are different ,
The elastic member is rubber thread,
The disposable swimsuit of the upper body part for infants , wherein the number of the rubber bands provided in the back body is larger than the number of the rubber bands provided in the front body . The disposable swimsuit of the upper body part for infants according to claim 1,
In a state where the elastic member is extended,
The disposable swimsuit of the upper body part for infants, wherein the area of the front body is larger than the area of the back body. A disposable swimsuit for the upper body part for infants according to claim 1 or 2,
In a state where the elastic member is extended,
A disposable swimsuit for an upper body part for infants, wherein the length of the longest part of the front body is longer than the length of the longest part of the back body in the vertical direction. A disposable swimsuit for an upper body part for infants according to claim 3,
In the vertical direction,
The lower end of the front body and the lower end of the rear body are in the same position,
A disposable swimsuit for an upper body part for infants, characterized in that the uppermost front end located on the uppermost side of the front body is located above the uppermost end of the rear body located on the uppermost side of the rear body. The disposable swimsuit for the upper body part for infants according to any one of claims 1 to 4,
In a state where the elastic member is extended,
A disposable swimsuit for an upper body part for infants, wherein the shape of the upper end of the front body from one side to the other in the left-right direction is different from the shape of the upper end from the one side to the other of the rear body. It is a disposable swimsuit of the upper body part for infants according to claim 5,
The upper and lower lengths of the upper end of the front body at the center in the left-right direction and the uppermost front body end located at the uppermost side of the front body are the upper end at the center of the rear body in the left-right direction and the back body. A disposable swimsuit for an upper body part for infants, characterized in that it is longer than the length in the vertical direction with the uppermost end of the rear body located on the uppermost side of the baby. An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
A front body located on the front of the infant and a back body located on the back when worn;
A disposable swimsuit for the upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
The shape of the front body and the back body are different,
The disposable swimsuit of the upper body part for infants, wherein the elastic member is provided in the back body and is not provided in the front body. A disposable swimsuit for an upper body part for infants according to any one of claims 1 to 7 ,
The front body and the back body are joined by a pair of joints,
In the natural state of the disposable swimsuit for the upper body part for infants, the pair of the joints are provided on the rear side of the disposable swimsuit for the upper body part for infants. A disposable swimsuit for an upper body part for infants according to any one of claims 1 to 7 ,
The front body and the back body are joined at one joint,
In the natural state of the disposable swimsuit for the upper body part for infants, the upper part for infants is characterized in that the joint is provided at the center in the left-right direction on the rear side of the disposable swimsuit for the upper body part for infants. Disposable swimsuit. A disposable swimsuit for an upper body part for infants according to claim 8 or 9 ,
The central portion of the front body in the left-right direction has a recessed portion that is recessed downward,
A disposable swimsuit for an upper body part for infants, characterized in that a lowermost end of the indented part located on the lowermost side of the indented part is located above an upper end of the joined part. An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
A front body located on the front of the infant and a back body located on the back when worn;
A disposable swimsuit for the upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
The shape of the front body and the back body are different,
It has a shoulder strap provided with a shoulder strap elastic member that expands and contracts in the vertical direction on one side and the other side in the left-right direction,
The end portions of the shoulder straps are fixed to the front body and the back body,
A disposable swimsuit for an upper body part for infants, wherein at least a part of the elastic member for the shoulder strap overlaps the elastic member in the front-rear direction. An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
A front body located on the front of the infant and a back body located on the back when worn;
A disposable swimsuit for the upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
The shape of the front body and the back body are different,
Has a frill with a heel,
The disposable swimsuit for the upper body part for infants, wherein the number of the heels is different between the front side and the rear side of the disposable swimsuit for the upper body part for infants. A disposable swimsuit for an upper body part for infants according to claim 12 ,
The disposable swimsuit of the upper body part for infants, wherein the number of the heels is larger on the front side than on the rear side. A disposable swimsuit for the upper body part for infants according to claim 12 or 13 ,
A plurality of the ridges are provided on the front side,
A disposable swimsuit for an upper body part for infants, wherein the back is not provided with the heel. Disposable swimsuit of the upper body part for infants according to any one of claims 1 to 14 ,
A disposable swimsuit set comprising: an absorbent main body, a pair of waistline parts, a waistline opening part, and a disposable swimsuit for a lower body part for an infant having a pair of leghole opening parts. An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
A front body located on the front of the infant and a back body located on the back when worn;
A method for manufacturing a disposable swimsuit for an upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
Forming the front body and the back body in different shapes ,
As the elastic member, rubber thread is used,
A method for producing a disposable swimsuit for an upper body part for infants, characterized in that the number of the rubber bands provided in the back body is increased from the number of the rubber bands provided in the front body . An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
  A front body located on the front of the infant and a back body located on the back when worn;
  A method for manufacturing a disposable swimsuit for an upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
  Forming the front body and the back body in different shapes,
  A method for producing a disposable swimsuit for an upper body part for infants, characterized in that the elastic member is provided in the back body and not in the front body.   An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
  A front body located on the front of the infant and a back body located on the back when worn;
  A method for manufacturing a disposable swimsuit for an upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
  Forming the front body and the back body in different shapes,
  Forming a shoulder strap provided with a shoulder strap elastic member extending and contracting in the vertical direction on one side and the other side in the left-right direction;
  Fix the end of the shoulder strap to the front body and the back body,
  A method for producing a disposable swimsuit for an upper body part for infants, wherein at least a part of the elastic member for the shoulder strap is overlapped with the elastic member in the front-rear direction.   An up-down direction, a left-right direction, a front-rear direction perpendicular to the up-down direction and the left-right direction, and
  A front body located on the front of the infant and a back body located on the back when worn;
  A method for manufacturing a disposable swimsuit for an upper body part for infants, comprising an elastic member that expands and contracts in the left-right direction,
  Forming the front body and the back body in different shapes,
  Forming a frill with folds,
  A disposable swimsuit for an upper body part for infants, characterized in that the number of wrinkles is different between the front side and the rear side of the disposable swimsuit for the upper body part for infants.

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