JP6429624B2 - Open-type disposable wearing articles - Google Patents

Description

  The present invention relates to an open-type disposable wearing article.

  2. Description of the Related Art Conventionally, an open-type disposable wearing article in which a front waist region and a rear waist region are connected via a connecting means to form a pants type is known. For example, Patent Document 1 discloses an open-type disposable wear in which a tape-like first connecting member located on the rear waist region side is connected to a second connecting member located on the front waist region side to form a pants-type form. An article is disclosed.

JP 2007-268216 A (P2007-268216)

  According to the open-type disposable wearing article disclosed in Patent Document 1, the first connecting member is inserted through the insertion portion formed in the second connecting member, folded back, and the locking portion located at the tip is moved back. By engaging the outer surface of the waist region, the front waist region and the rear waist region are connected, and the diaper is worn on the wearer's body.

  However, although the first connecting member has a length dimension enough to connect the front and rear waist regions, the first connecting member has a tape shape. Therefore, the first connecting member has a relatively large size around the waist. Cannot be hung around the body and cannot be connected to the second connecting member. In addition, since the second connecting member is located on the front waist region, when the wearer performs the wearing operation in the sleeping state, the operator lifts the wearer's back while holding the tip of the first connecting member. It is necessary to pass through the insertion part of the second connecting member, and the wearing operation is not easy.

  The present invention is an improvement of a conventional open-type disposable wearing article that can fit the front and rear waist regions even for a relatively large wearer and is relatively easy to wear. The present invention relates to the provision of disposable wearing articles.

An open-type disposable wearing article according to the first, second, third and fourth inventions of the present application has a longitudinal direction and a transverse direction perpendicular thereto, and is a skin facing surface and a non-skin facing surface located on the opposite side. A diaper main body having a first waist region that is one of the front and rear waist regions, a second waist region that is the other of the front and rear waist regions, a crotch region located between the first and second waist regions, and an absorber And a connecting means for connecting the first waist region and the second waist region.

In the open-type disposable wearing article according to the first invention of the present application, the connecting means includes a proximal end portion located in the first waist region, and extends from the proximal end portion, and a locking portion is provided at least in part. A pair of first connecting members having a free part positioned; and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body. In the state where the first connecting member is connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region, and the second connecting member is It has an insertion part by which the tip of the free part of the 1st connecting member is inserted, and the insertion part is a slit prolonged in the transverse direction .

In the open-type disposable wearing article according to the second invention of the present application, the connecting means includes a base end portion located in the first waist region, and extends from the base end portion. A pair of first connecting members having a free part positioned; and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body. In the state where the first connecting member is connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region, and the second connecting member is The first connecting member has an insertion part through which the tip of the free part is inserted, and the insertion part has a cross shape in which the slit extending in the vertical direction and the slit extending in the horizontal direction intersect. It is characterized by.
In the open-type disposable wearing article according to the third invention of the present application, the connecting means includes a base end portion located in the first waist region, and extends from the base end portion. A pair of first connecting members having a free part positioned; and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body. In the state where the first connecting member is connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region, and the base of the first connecting member The end portion includes an inner edge extending in the vertical direction, an outer edge extending in the vertical direction and having a larger dimension in the vertical direction than the inner edge, and the inner edge and the outer edge on the crotch region side. And an inclined edge connecting the two.
In the open-type disposable wearing article according to the fourth invention of the present application, the connecting means includes a base end portion located in the first waist region, and extends from the base end portion, and a locking portion is provided at least in part. A pair of first connecting members having a free part positioned; and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body. In the state where the first connecting member is connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region, and the diaper main body is the vertical direction. And a barrier cuff having a distal-end-oriented distal edge, the first connecting member being fixed to the barrier cuff, and a part of the base end portion. Is located at the distal edge.

  In the open-type disposable wearing article according to one or more embodiments of the first invention, a base end portion located in the first waist region, and extending from the base end portion, the locking portion is located at least partially. A pair of first connecting members having a free part and a pair of second connecting members that extend laterally outward in the second waist region and separate from the diaper main body, Since the first and second waist regions are coupled, the coupling operation can be performed outside the body even when the wearer is in the supine state, and the coupling operation is easy. In addition, the belt-like first connecting member is pulled to the second waist region side to be connected to the second connecting member, and then folded back and locked to the first waist region side, so the first connecting member itself is formed by a side panel or the like. Compared to the case, the material cost can be kept low. Moreover, in the open-type disposable wearing article according to one or more embodiments of the second invention, the wearing article is relatively wide, and both sides are positioned outside the body in a state where the wearer is supine. Therefore, a pair of 1st connection members which have a length dimension larger than the dimension of the longitudinal direction of a 1st waist area at least can be connected with the 2nd connection part located in the both sides of a 2nd waist area, and connection Easy to operate.

The drawings illustrate specific embodiments of the invention and include selective and preferred embodiments as well as the essential features of the invention.
The perspective view in the use condition of the diaper concerning a 1st embodiment shown as an example of the open type disposable wearing article of the present invention. The partial fracture | rupture expansion | deployment top view of the diaper extended to the vertical direction and the horizontal direction until the maximum expansion | extension of each elastic body which comprises a diaper main body (to the extent that the gathers by the contraction effect | action of an elastic material (except a belt elastic body) disappear). FIG. 3 is a schematic cross-sectional view taken along line III-III in FIG. 2. The top view of the back waist area of a diaper . The top view of a 1st connection member. (1) The enlarged plan view near the base end of the first connecting member. (2) A reference view showing a state in which a part of the barrier cuff sheet stands up in conjunction with the first connecting member. (1)-(4) The figure which shows the mode of wearing operation of a diaper. (1) The same figure as FIG. 4 which concerns on the example 1 of a change, (2) Explanatory drawing in an example of the manufacturing process of the 2nd connection member of the diaper which concerns on the example 1 of a change. (1) The top view of the back waist area of the diaper in the example 2 of a change. (2) A plan view of the rear waist region when the intermediate portion of the second connecting member is pulled outward in the lateral direction. (1)-(4) The figure which shows the mode of the wearing operation of the diaper in the example 3 of a change. The expansion | deployment top view similar to FIG. 2 of the diaper which concerns on 2nd Embodiment. The expansion | deployment top view similar to FIG. 2 of the diaper which concerns on 3rd Embodiment. The expansion | deployment top view similar to FIG. 2 of the diaper which concerns on 4th Embodiment.

  Each of the following embodiments relates to an open-type wearing article shown in FIGS. 1 to 13 and includes not only an indispensable structure of the invention but also a selective and preferable structure.

<First Embodiment>
1 to 4, a disposable diaper 10 shown as an example of an open-type wearing article according to the present invention has a longitudinal direction Y and a transverse direction X orthogonal thereto, and a longitudinal axis P along the longitudinal direction, Horizontal axis Q along direction X, skin facing surface and non-skin facing surface, front waist region (first waist region or second waist region) 11 and rear waist region (second waist region or first waist region) 12, a crotch region 13 positioned between the front and rear waist regions 11, 12, a diaper main body 14, and a connecting means 15 attached to the front and rear waist regions 11, 12. In the present embodiment, the connecting means 15 is attached to the diaper main body 14. As shown in FIG. 1, the front waist region 11 and the rear waist region 12 of the diaper main body 14 are connected by a connecting means 15, thereby defining a waist opening 16 and a pair of leg openings 17. It exhibits the shape of

<Diaper body>
The diaper main body 14 includes a front and rear end edges 14a and 14b extending in the horizontal direction X and facing each other in the vertical direction Y, and both side edges 14c extending in the vertical direction Y between the front end edge 14a and the rear end edge 14b. 14d and a substantially longitudinal shape. The diaper main body 14 includes a liquid-permeable surface sheet 21 located on the skin facing surface side, a liquid-impermeable back sheet 22 located on the non-skin facing surface side, and between the surface sheet 21 and the back sheet 22. The intervening absorbent body 23 and a pair of barrier cuff sheets 24 arranged to face each other in the lateral direction X on the skin facing surface side of the topsheet 21 are included.

  The surface sheet 21 is formed from various known fiber nonwoven fabrics such as spunbond fiber nonwoven fabrics and air-through fiber nonwoven fabrics, porous plastic films, and laminate sheets of fiber nonwoven fabrics and plastic films. The back sheet 22 forms the outer shape of the diaper 10 and is formed from a moisture-permeable plastic film, various known fiber nonwoven fabrics, and laminate sheets thereof. The dimension in the lateral direction X of the back sheet 22 is slightly larger than the dimension in the lateral direction X of the top sheet 21, and the extending portion extending from the both side edges of the top sheet 21 of the back sheet 22 to the outside in the lateral direction X is It is bent and fixed to the skin facing surface side of the top sheet 21.

  The absorber 23 includes curved front and rear end edges 23a and 23b, both side edges 23c and 23d extending in the vertical direction Y in a concave shape between the front and rear end edges 23a and 23b, front and rear end portions 20A and 20B, It has a central portion 20C located between the end portions 20A and 20B, and extends to the front and rear waist regions 11 and 12 with the crotch region 13 as the center. The absorbent body 23 is formed of a mixture of fluffed wood pulp and superabsorbent polymer (SAP) particles, and the like. The absorbent core is shaped into a required shape, and a liquid diffusible tissue enveloping the absorbent core. And a core wrap sheet formed of paper or the like. The amount of water absorption required for the absorber 23 varies depending on the application used for infants and adults. For example, in the case of a diaper used for adults, the amount of water absorption of the absorber is 300 g or more. Is preferred. For example, even when a relatively large amount of excrement is excreted in a relatively high absorption amount of a worn article, the diaper 10 can be placed in a proper position by using the connecting means 15 according to the present invention. To prevent the leakage of excrement. In order to realize such a water absorption amount, it is possible to form the absorber 23 with only SAP particles. However, in order to adjust the water retention amount, it is preferable to contain a required proportion of the pulp material, and the pulp material to be contained The thickness of the absorbent body can be changed according to the mass.

  The diaper main body 14 was formed by superimposing and joining a top sheet 21, a back sheet 22 and a barrier cuff sheet 24 extending from the front and rear end edges 23a and 23b of the absorbent body to the outside in the longitudinal direction Y. The end flaps extending in the lateral direction X, the top sheet 21 extending from the both side edges of the absorbent body to the outside in the lateral direction X, the back sheet 22 and the barrier cuff sheet 24 are overlapped and joined to each other. And a side flap extending in the longitudinal direction.

  The pair of barrier cuff sheets 24 are formed of a liquid-impervious fiber nonwoven fabric, are symmetrical with respect to the vertical axis, and are positioned to be opposed to each other in the lateral direction X, respectively. It extends in the longitudinal direction Y between the proximal edge portion 26 to be formed, the front and rear fixed end portions 27A and 27B fixed to the skin facing surface of the topsheet 21 in the front and rear waist regions 11 and 12, and the front and rear fixed end portions 27A and 27B. And a distal edge 28 formed by folding the inner edge of the barrier cuff sheet 24 inward. Further, the outer edge portion of the barrier cuff sheet 24 is bent and fixed to the non-skin facing surface side of the back surface sheet 22, and a plurality of portions extending in the longitudinal direction Y between the bent portion and the back surface sheet 22. A string-like or strand-like leg elastic body 25 is attached so as to be retractable in an extended state. The distal edge 28 is provided with a plurality of strand-like or string-like cuff elastic bodies 29 extending in the longitudinal direction Y so as to be contractible. When the diaper 10 is worn, the distal edge portion 28 is separated from the skin-facing surface of the topsheet 21 by the contracting action of the cuff elastic body 29, and a pair of barrier cuffs for preventing side leakage of excrement are formed. .

<Connecting means>
The connecting means 15 includes a pair of first connecting members (belt portions) 30 extending in the longitudinal direction Y between the front and rear waist regions 11 and 12 on both sides of the diaper main body 14 in the unfolded state of the diaper 10, and the rear waist region 12. It is comprised from the 2nd connection member (connection flap) 40 extended to the outer side of the horizontal direction X from a both-sides edge part. The first connecting member 30 has a belt shape, and includes a base end portion 31 fixed to the front waist region 11 of the diaper main body 14 and a free portion 32 extending from the base end portion 31. In the present embodiment, the base end portion 31 is the skin facing surface side of the front waist region 11 and is fixed to the front end fixing portion 27A of the barrier cuff sheet 24, as long as the effects of the present invention described later are exhibited. You may be fixed to the surface sheet 21, and may be fixed to the non-skin opposing surface side (back surface sheet 22) of the front waist region 11. Moreover, in this embodiment, the 1st connection member 30 is located in the front waist region 11, the 2nd connection member 40 is located in the back waist region 12, the 1st connection member 30 is the back waist region 12, and the 1st. The two connecting members 40 may be located in the front waist region 11.

  The second connecting member 40 is provided with a slit (insertion portion) 41 extending in the lateral direction X, and the first connecting member 30 and the second connecting member are inserted through the slit 41 through the tip 33 of the first connecting member 30. 40, the tip 33 of the first connecting member 30 is folded back toward the outer surface of the front waist region 11, and the first locking portion 34 located at the tip 33 is locked to the outer surface, thereby making a diaper. 10 exhibits a pants type.

Referring to FIG. 5, the first connecting member 30 includes a first sheet 35 located on the skin facing surface side, a second sheet 36 located on the non-skin facing surface side, and the first and second sheets 35 and 36. A plurality of string-like or strand-like belt elastic bodies 37 fixed so as to be contractible in an extended state therebetween. The first and second sheets 35 and 36 have a mass of about 10 to 30 g / m ² and preferably have a hydrophobic property, in addition to known fiber nonwoven fabrics such as spunbond fiber nonwoven fabrics and air-through fiber nonwoven fabrics. It is formed from a conductive fiber nonwoven fabric. A first locking portion 34 that can be locked to the outer surface of the front waist region 11 is located on the skin facing surface side of the tip 33 of the first connecting member 30. The free portion 32 is located between the non-stretchable portion 38 and the non-stretchable portion 38 between the non-stretchable portion 38 and the non-stretchable portion 38 that are not substantially expressed with the contraction force of the belt elastic body 37. It has the expansion-contraction part 39 in which contraction force is expressed substantially. By extending the stretchable portion 39 of the free portion 32 in the vertical direction Y, as described later, the first connecting member 30 is folded back in a state of being connected to the second connecting member 40, and the tip 33 is formed on the outer surface of the front waist region 11. Can be locked.

As described above, the first locking portion 34 having the hook element of the mechanical fastener is disposed at the tip of the first connecting member 30. The first locking portion 34 includes a hook sheet on which hook elements are arranged, and a base material sheet joined to the hook sheet via a hot melt adhesive applied in a dot shape, a line shape, or a spiral shape. The It is preferable to prevent the peripheral edge portion of the hook sheet and the hook sheet from being separated by a known welding means such as a sonic seal. The base sheet of the first locking portion 34 is made of a known fiber nonwoven fabric such as a spunbond fiber nonwoven fabric so as to have a total basis weight of about 30 to 120 g / m ² , preferably 40 to 90 g / m ^2. Alternatively, a plurality of stacked layers are formed. In addition, a second locking that can lock a first locking portion (hook portion, loop portion, or the like) 34 located at the tip 33 of the first connecting member 30 on the outer surface of the waist opening edge portion of the front waist region 11. A part (loop part or hook part) 50 is arranged. The base sheet forming the second locking portion 50 is, for example, a fiber nonwoven fabric or a polyolefin-based thermoplastic synthetic resin film made from a polyolefin-based thermoplastic synthetic resin fiber, and the loop element is a polyolefin-based thermoplastic synthetic resin. Are preferably used. When a relatively bulky nonwoven fabric is used as the base material sheet of the second locking portion 50, the surface of the base material sheet may be embossed to prevent fluffing.

  In the present invention, the hook portion of the mechanical fastener is used as an example of the first locking portion 34. However, the first locking portion 34 may have both a hook portion and a loop portion. Further, it may be a loop portion that can be locked to the hook portion arranged on the diaper main body 14 side or a fiber nonwoven fabric that forms the first connecting member 30 (in that sense, the locked portion), and the first connecting member. 30 means a part that can be detachably locked with a predetermined part of the diaper 10, and means a wider concept including an adhesive than a general locking part that only means a hook part. Is. Similarly, as long as the second locking portion 50 is detachably engaged with the first locking portion 34, any of the hook portion, the loop portion, an adhesive or the like that can be engaged or fastened is used. It may be.

  The first locking portion 34 of the first connecting member 30 may be disposed not in the distal end 33 of the first connecting member 30 but in any part of the free portion 32, or may be disposed in a plurality. . In the case where a plurality of first locking portions 34 are arranged in the free portion 32, the central region in the length direction of the free portion 32 including the tip 33 can be locked to the outer surface of the front waist region 11. The locked state can be made more stable. Further, the first connecting member 30 is provided with the first locking portions 34 at a part or a plurality of locations, and the entire free portion 32 is formed of, for example, a fiber nonwoven fabric, and is a locking portion made of a hook element. May be formed only by a target portion that can be locked. Further, the first connecting member 30 may be provided with a target portion in addition to the first locking portion 34. For example, the first locking portion 34 and a target portion are arranged at the tip 33 so as to surround it. And the 2nd latching | locking part 50 and the 1st latching | locking part 34 which has a hook sheet | seat are arrange | positioned in the outer surface of the front waist area 11, and the free part 32 is made to engage mutually, and the front waist area is made. 11 may be brought into contact with the outer surface. In addition to the engagement by the mechanical fastener, a pressure-sensitive adhesive sheet coated with a pressure-sensitive adhesive is disposed on the surface as a hook sheet of the first locking portion 34, and the back sheet 22 formed of a waterproof plastic film is disposed on the back sheet 22. You may fasten.

  In this embodiment, the 2nd latching | locking part 50 is arrange | positioned on the outer surface of the front waist region 11 as a different body from the back surface sheet 22, However, The back surface sheet made of a waterproof plastic film which forms the outer surface of the front waist region 11 A relatively bulky fiber non-woven fabric may be joined to 22 and the entire outer surface of the back sheet 22 or a part thereof may be used as the second locking portion 50. When the entire outer surface of the back sheet 22 is formed from such a relatively bulky fiber nonwoven fabric, the first locking portion 34 of the first connecting member 30 can be locked to any one of the outer surfaces and the touch is improved. . It is preferable that the engaging force by the 2nd latching | locking part 50 arrange | positioned at the front waist area 11 and the 1st latching | locking part 34 of the 1st connection member 30 is 0.2-1.5 N / 20mm.

<Method of measuring engagement force>
The engagement force was measured using an autograph tester (AG-X10plus) manufactured by Shimadzu Corporation . First, the diaper 10 together when the first locking portion 34 of the first coupling member 30 cut out in a width 20 mm, the second locking portion 50 of the second connecting member 40 of the outer dimensions than the first locking portion 34 Samples were cut out with large dimensions. Next, the sample was laminated so that the hook elements and the loop elements of the first and second locking portions 34 and 50 were opposed to each other, and a 700 g weight roller (diameter: 85 mm, width: 45 mm) was added from the top to 300 mm / The load was applied by moving at a speed of minutes. Both samples were set in an autograph tester, measured at a tensile speed of 300 mm / min and at an inclination angle of 135 ° between both samples, and the engaging force of both samples was measured (N / 20 mm). If the stop 34 cannot be cut out to a width of 20 mm, the measured value is calculated by converting it to a width of 20 mm).

  The dimension (width dimension) W2 in the lateral direction X of the first connecting member 30 is about 10 to 120 mm, preferably 40 to 60 mm, and the dimension (length dimension) L2 in the longitudinal direction Y at the maximum extension is about 100 to 1200 mm. The thickness is preferably 400 to 800 mm. The dimension L3 in the longitudinal direction Y of the entire free part 32 is approximately 200 to 600 mm, preferably 350 to 500 mm, the dimension L4 in the longitudinal direction Y of the stretchable part 39 of the free part 32 is approximately 50 to 1000 mm, and the longitudinal dimension of the non-stretchable part 38. The direction dimension L5 is about 20 to 200 mm. Since the first connecting member 30 has a relatively long dimension as described above, even a wearer having a relatively large size can be hung around in a state of fitting to the body. The first connecting member 30 is required to have a required width dimension (10 to 200 mm, in this embodiment, about 50 mm) and / or a thickness dimension in order to stably operate the first connecting member 30. When the thickness dimension is relatively large, it becomes difficult to operate when it is inserted through the slit 41 of the second connecting member 40 and turned back.

  Moreover, the length dimension L2 at the time of the maximum expansion | extension of the 1st connection member 30 is substantially the same as the length dimension of the diaper main body 14. FIG. Thus, by making the former approximately the same size as the latter, both can be manufactured by conveying them in the machine direction on the production line of the diaper 10 and excellent in continuous productivity. However, the length dimension L2 of the 1st connection member 30 in the vertical direction Y may be smaller than the diaper main body 14, and may be larger than it. Further, the belt elastic body 37 is not disposed on the free portion 32 of the first connecting member 30 and the stretchable portion 39 may not be formed. However, the first connecting member 30 has a length dimension of the diaper main body 14. When it is smaller, it is preferable that the stretchable portion 39 is provided and stretched about 1.5 to 2.0 times as compared with the contracted state (natural state). Since the first connecting member 30 is inserted through the slit 41 of the second connecting member 40 and folded back, the proximal end portion 31 and the distal end 33 are fixed at least to the rear waist region 12 in the worn state when extended. It is necessary to have a size of about twice the dimension in the direction around the waist from the position of the outer end edge of the slit 41 of the second connecting member 40 to the front waist region 11.

  Referring to FIGS. 2 to 4, the second connecting member 40 includes an inner edge 40 a and an outer edge 40 b facing each other in the longitudinal direction Y, a center portion fixed to the skin facing surface of the rear waist region 12, It has a pair of extending parts 43A and 43B extending from both sides to the outside in the lateral direction X. The central portion extends in a series in the lateral direction X on the skin facing surface side of the rear waist region 12, and a pair of base side portions 42 that overlap with the rear end fixing portion 27B of the barrier cuff sheet 24 in a plan view of the diaper 10, An outer edge 40 b of the second connecting member 40 that overlaps the diaper main body 14 is fixed to the diaper main body 14. In the present embodiment, the second connecting member 40 is formed of a flap member extending in a series in the lateral direction X, and the central portion is not joined between the distal edges 28 of the barrier cuff sheet 24. Between the non-joining portion and the diaper body 14, a space capable of accommodating excrement is defined.

The second connecting member 40 can be expanded from the state of being stacked on the diaper main body 14 with the base side portion 42 as a base point to the outside in the lateral direction X of the side edges 14c and 14d. In a state before the diaper 10 is worn, the extending portions 43A and 43B are folded inward along the base side portion 42 and temporarily fixed on the skin facing surface of the diaper main body 14. As the extension parts 43A and 43B are temporarily fixed in this way, the extension parts 43A and 43B extend outward from the side edge of the rear waist region 12 when the diaper 10 is transported or accommodated in the accommodation bag. It is possible to avoid troubles that hinder the connection with the first connecting member 30 such as being expanded so as to be extended and greatly deformed or the inner and outer edges of the slit 41 are torn. Further, although not shown in the drawing, the extending portions 43A and 43B of the second connecting member 40 are further arranged on the skin facing surface of the diaper main body 14 so that the edge in the length direction faces outward in the lateral direction X. They may be folded and stacked. In this way, by arranging the second connecting member 40 in a folded state so as to form a plurality of stacked modes, the second diaper 10 has a relatively large size ratio with respect to the size in the lateral direction X. The connecting member 40 can be attached to the rear waist region 12. A hot melt adhesive having a mass of about 30 g / m ² is applied to the base side portion 42, and the dimension in the longitudinal direction Y is the same as the dimension L 6, and the second connecting member 40 in the fixed region has the same dimension. The entire width is fixed to the diaper body 14.

  Speaking of the required strength related to the second connecting member 40, the second connecting member 40 prevents the base side portion 42 from peeling off when the second connecting member 40 is pulled forward by the first connecting member 30. It is necessary to have strength to prevent the flap member itself forming the sheet from being damaged or the sheet tearing from the edge of the slit 41 when the first connecting member 30 is inserted and connected to the slit 41. Therefore, it can be said that the 2nd connection member 40 is at least 30N or more, Preferably, the tensile strength of 50N or more is required.

<Method of measuring tensile strength of second connecting member 40>
The tensile strength of the second connecting member 40 was measured using an autograph tester (AG-X10plus) manufactured by Shimadzu Corporation . The tensile strength of the 2nd connection member 40 requires the intensity | strength which can be used in the usage condition in the wearing condition of the diaper 10, ie, the state which connected the 1st connection member 30 to the 2nd connection member 40, and turned up. Means. Therefore, as a measuring method, first, the first connecting member 30 extending in the crossing direction through the slit 41 with the first connecting member 30 inserted and folded through the slit 41 of the second connecting member 40 of the diaper 10. The first portion 32A and the second portion 32B are gripped by one chuck, and the inside of the base end portion 31 of the second connecting member 40 fixed to the diaper main body 14 is gripped by the other chuck. It was set in a testing machine. Depending on the size of the diaper 10, the first connecting member 30 and a part of the diaper main body 14 may be cut out from the diaper 10 so as to include the proximal side portion 42 of the second connecting member 40. Under such conditions, the tensile strength (maximum strength) of the sample at a tensile strength of 300 mm / min was determined (unit: N).

The second connecting member 40 has an inner surface sheet 44 positioned on the skin facing surface side, an outer surface sheet 45 positioned on the non-facing surface side, and a surface facing the diaper body 14 of the inner surface sheet 44 in the extending portions 43A and 43B. The reinforcing sheet 46 is fixed. The inner and outer sheets 44 and 45, for example, spunbonded nonwoven fabric of weight 10 to 40 g / ^{m 2} having a hydrophobic, the reinforcing sheet 46 is, for example, an air-impermeable mass approximately polyethylene 20 to 40 g / ^{m 2} A made plastic film can be suitably used. Further, in order to improve the tensile strength of the second connecting member 40 when connected to the first connecting member 30, the inner and outer surface sheets 44 and 45 may be formed from a relatively bulky fiber nonwoven fabric having high sheet strength. However, by partially disposing the reinforcing sheet 46, the material cost can be reduced as compared with the case where the reinforcing sheet 46 is disposed as a whole or when a fiber nonwoven fabric having high sheet strength is used as the inner and outer surface sheets 44 and 45. . Further, the reinforcing sheet 46 may be fixed between the inner and outer surface sheets 44 and 45.

  A slit 41 extending in the lateral direction X is formed in a region where the reinforcing sheet 46 is disposed in the extending portions 43A and 43B. The slit 41 has a length dimension (dimension in the lateral direction X) of about 40 to 60 mm, and the slit 41 has a relatively high sheet strength in which the inner and outer surface sheets 44 and 45 and the reinforcing sheet 46 are laminated. By forming it in the region of the layer structure, it is possible to prevent the vicinity of the slit 41 and the tearing from both edges thereof. Further, the slit 41 is located at a given distance from the end edge of the second connecting member 40. In this embodiment, the slit 41 in the lateral direction X between the end edge of the slit 41 and the end edge of the second connecting member. The separation dimension R is 15 to 30 mm. Thus, by separating the slit 41 from the end edge of the second connecting member by a predetermined dimension, even if the sheet tears slightly outside the lateral direction X starting from the outer end edge of the slit 41, the outer end The edge does not reach the end edge of the second connecting member and part of the sheet is not completely separated.

  In the present embodiment, the slit 41 has a line shape extending in series in the horizontal direction X, but various known types such as a line shape extending in the vertical direction Y, a cross shape, a hook shape, a sublingual shape, a curved shape, and the like. The opening may be cut out in an elliptical or triangular shape, or a plurality of extensions 43A and 43B may be formed. However, when the slit 41 is in a line shape extending in the longitudinal direction Y, the first connecting member 30 inserted through the slit 41 approaches the lower end side of the slit 41 and the sheet is easily torn from the lower end. When the connecting member 40 is pulled diagonally downward, the rear waist region 12 may not fit the body. If the connecting member 40 is a line extending in the lateral direction X, the free portion 32 of the first connecting member 30 is slit. Since it can be pulled forward as it is in contact with the outer end edge of 41, the second connecting member 40 is not inclined and the rear waist region 12 can be fitted to the body. In addition, the slit 41 may extend in a direction intersecting the fiber orientation (orientation of more than half of the constituent fibers) of the inner and outer surface sheets 44 and 45 made of a fiber nonwoven fabric forming the second connecting member 40. preferable. In such a case, sheet tearing from the inner and outer edges can be suppressed as compared with the case where the slit 41 extends in the fiber orientation.

In the present embodiment, the slit 41 is located approximately at the center in the longitudinal direction Y of the second connecting member 40, but may be located on the outer edge 40b side. In such a case, since the first connecting member 30 inserted through the slit 41 and folded back is fitted to the wearer's upper waist, the fastening by the connecting means 15 is hindered by the movement of the lower body of the wearer. Therefore, the diaper 10 can be stably worn on the body. In addition, a plurality of slits 41 may be arranged in the vertical direction Y in each second connecting member 40, or a plurality of slits 41 may be arranged in the horizontal direction X. A plurality of slits 41, when it is disposed Oite a predetermined interval in the transverse direction X may be a wider dimensional adjustment of the waist.

  In this embodiment, the 2nd connection member 40 is formed from the flap member extended in a row in the horizontal direction X in the outer end of the vertical direction Y of the back waist region 12, and is the base side fixed to the diaper main body 14. You may form from a pair of flap member comprised from the part 42 and the extension parts 43A and 43B extended from the base side part 42 so that expansion | deployment to the outer side of the horizontal direction X was possible. Moreover, in this embodiment, although the 1st connection member 30 is penetrated by the slit 41 of the 2nd connection member 40, and is mutually connected, for example, the center in the length direction of the free part 32 of the 1st connection member 30 The first connecting member 30 and the second connecting member 40 may be connected by attaching a button in the vicinity of the region and engaging the button hole formed in the second connecting member 40. You may connect mutually by arrange | positioning the latching | locking part which has a hook sheet | seat in the center area vicinity, and arrange | positioning the target part which has a loop element in the 2nd connection member 40. FIG.

  Referring to FIG. 6, the base end portion 31 of the first connecting member 30 is fixed to the diaper main body 14 through a joining region formed by applying a hot melt adhesive, and an inner edge 31 a extending in the longitudinal direction Y. The outer edge 31b extends in the longitudinal direction Y and has a dimension in the longitudinal direction Y larger than that of the inner edge 31a, and the inclined edge 31c that connects the inner edge 31a and the outer edge 31b on the crotch region 13 side. When the first connecting member 30 is deployed outward in the lateral direction X, the first connecting member 30 has a substantially triangular region in which the base end portion 31 and the free portion 32 of the first connecting member 30 overlap. Since the base end portion 31 has such a shape, the first connecting member 30 can be easily developed obliquely downward from the inclined edge 31c, and can be easily pulled toward the second connecting member 40. Further, compared to the case where the base end portion 31 does not have the inclined edge 31c and extends linearly in the lateral direction X, the size of the portion of the free portion 32 near the boundary with the base end portion 31 becomes longer, While maintaining the required peel strength of the sheet member at the base end portion 31, the length of the free portion 32 can be made as long as possible to improve fit to the body. In addition, in the vicinity of the boundary with the free portion 32 in the base end portion 31, a hot melt adhesive is applied so that the mass per unit area is higher than that in other regions, or fixing with the hot melt adhesive, Alternatively, by applying welding means using a sonic seal, when the free portion 32 is pulled rearward, the peel strength can be improved so that the sheet does not break starting from the portion.

  Referring to FIG. 2, the second locking portion 50 to which the first locking portion 34 is locked is located near the outer end portion in the longitudinal direction Y of the front waist region 11. The inclined edge 31c of the end 31 extends further to the crotch region 13 side. Therefore, as shown in FIG. 1, in the state where the first connecting member 30 is connected to the second connecting member 40, folded back, and locked to the front waist region 11, the portion (the first portion) pulled backward in the free portion 32. The first portion 32A) and the portion folded back forward (second portion 32B) do not overlap with each other in a side view of the diaper 10, and the free portion 32 has a substantially V shape.

  A portion of the proximal end portion 31 of the first connecting member 30 near the inner edge 31a is positioned so as to overlap with the distal edge portion 28 of the barrier cuff sheet 24 in a plan view of the diaper 10, and is fixed to the portion. Has been. As described above, when a part of the base end portion 31 is fixed to the distal edge portion 28 of the barrier cuff sheet 24, the barrier when the first connecting member 30 is pulled toward the second connecting member 40. A force to raise the cuff sheet 24 is applied to the distal edge 28 of the cuff sheet 24, and the barrier cuff can be stably formed in combination with the contraction action by the cuff elastic body 29. Further, when the barrier cuff sheet 24 stands by the contraction force of the cuff elastic body 29, the first connecting member 30 fixed to the barrier cuff sheet 24 moves rearward, so that the connecting operation with the second connecting member 40 becomes easier. I can say that. As described above, as long as the interlocking between the first connecting member 30 and the barrier cuff sheet 24 is possible, the area of the joint portion may be relatively large. For example, the barrier cuff sheet 24 It may be larger than the area of the rear end fixing portion 27B.

  The base end portion 31 of the first connecting member 30 fixed to the distal edge portion 28 of the barrier cuff sheet 24 is a non-stretchable portion 38 in which the contraction force of the belt elastic body 37 is not substantially expressed. Therefore, even if the belt elastic body 37 contracts in the longitudinal direction Y, the force to peel it off from the base end portion 31 does not act directly. Unlike the present embodiment, the base end portion 31 of the first connecting member 30 may be disposed on the non-skin facing surface side of the front waist region 11. In such a case, since the base end portion 31 is fixed to the back sheet 22, the first connecting member 30 is not interlocked with the barrier cuff sheet 24, and the first connecting member 30 is pulled rearward. Sometimes, the proximal end portion 31 acts to bring the front waist region 11 into contact with the body, and the fit of the front waist region 11 is improved.

  The base end portion 31 of the first connecting member 30 needs to have a peel strength that prevents a part of the base end portion 31 from peeling when the connecting operation is performed while pulling the first connecting member 30. Specifically, the base end portion 31 preferably has a peel strength of 10 N or more per 25 mm width, preferably a bond strength of 15 N / 25 mm.

<Peel strength of the first connecting member>
The peel strength of the first connecting member 30 was measured using an autograph tester (AG-X10plus) manufactured by Shimadzu Corporation . Including the diaper main body 14 that overlaps the first connecting member 30 located on the base end 31 side and the free part 32 side from the diaper 10 in the thickness direction Z at the boundary part between the base end 31 and the free part 32, A sample was cut out in the vertical direction of the line so that the region fixed along the line of the boundary part (inclined edge 31c) had a width of 25 mm. In a state where the free part 32 of the first connecting member 30 is gripped by one chuck and the diaper main body 14 that overlaps the free part 32 in the thickness direction Z is gripped by the other chuck, the sample is set in an autograph testing machine, The peel strength (maximum strength) of the sample at a pulling speed of 300 mm / min was obtained (in the case where the region cannot be cut out with a width of 25 mm, it is calculated by converting to a width of 25 mm based on the measurement result).

  FIGS. 7 (1) to (4) show the operation procedure when the diaper 10 is worn by the wearer in the supine state. First, as shown in FIG. 7 (1), the front and rear waist regions 11 and 12 of the diaper 10 are opposed to the wearer's back side and abdomen side, respectively, with the first and second connecting members 30 and 40 deployed. Arrange so that The arrangement positions of the front and rear waist regions 11 and 12 and the development mode of the first and second connecting members 30 and 40 are adjusted so as to be in an appropriate position in consideration of the fitting property of the diaper 10 and the operability of the connecting means 15. It is preferable to do. As shown in FIG. 7 (2), from such a state, on one side of the diaper 10, the operator (a wear assistant such as a mother) lifts the second connecting member 40 with one hand while the first with the other hand. The connecting member 30 is gripped and pulled backward, the tip 33 is inserted into the slit 41 of the second connecting member 40, and the inserted tip 33 is further pulled backward with one hand. As described above, the first connecting member 30 is pulled through the slit 41 before being turned forward, and the second connecting member 40 and the free portion 32 of the first connecting member 30 tighten the wearer's body. Acting in this way, the diaper 10 is securely fitted to the wearer's body.

  Next, as shown in FIGS. 7 (3) and (4), the first connecting member 30 is pulled up, and the free part 32 is kept tightened to the body, and is passed through the outer edge of the slit 41. Folded forward, the first locking portion 34 located at the tip 33 is locked to the second locking portion 50 located on the outer surface of the front waist region 11. When the first connecting member 30 is folded back, the length dimension of the portion (first portion) 32A pulled rearward of the free portion 32 and the portion when the first connecting member 30 is folded back and pulled forward via the second connecting member 40 (second portion). It is preferable to adjust the length dimension of 32B to be substantially the same in order to maintain the arrangement balance of the front and rear waist regions 11 and 12 in the wearing state. By performing the same operation on the other side of the diaper 10, the pair of first connecting members 30 are respectively locked by the second locking portions 50 facing each other, and the diaper 10 is stably fitted to the body. The When the entire second connecting member 40 is located in the rear waist region 12, the first connecting member 30 must be inserted through the second connecting member 40 while maintaining the state where the wearer's body is lifted. In the embodiment, since the second connecting member 40 of the connecting means 15 extends outward in the lateral direction X from the rear edge of the diaper main body 14, an operation that takes place outside the body of the wearer in the supine state. It can be performed.

  According to the connecting means 15 according to the present embodiment, the front and rear waist regions 11 and 12 are connected by connecting the second connecting member 40 to the second connecting member 40 after pulling the first connecting member 30 rearward and folding it forward. The front and rear waist regions 11 and 12 are excellent in fit as compared to a conventional diaper in which a belt member disposed in the front waist region is simply fastened to the rear waist region to form a pants-type configuration. In addition, since the free portion 32 of the first connecting member 30 has elasticity, the first connecting member 30 can be freely expanded and contracted according to the size of the wearer's waist and fitted to the body. Even if the base end portion 31 of the first connecting member 30 is not positioned overlapping the absorber 23 and the diaper 10 in a plan view in the waist region 11, each side flap is pulled outward in the lateral direction due to its stretchability. The front end portion 20A of the absorbent body 23 is pulled in the lateral direction X, so that the force to move away from the body caused by the movement of the wearer is suppressed, and the fit is improved. In order to increase the size adaptability in the connecting means 15 and to improve the fit at the time of wearing, not only the first connecting member 30 but also the extending portion of the second connecting member 40 is at least stretchable in the lateral direction X. You may have. In such a case, the force to deform the second connecting member 40 caused by the wearer's movement is buffered by the stretchable portions of the extending portions 43A and 43B, and the deformation of the second connecting member 40 and the absorption caused by the deformation thereof are buffered. The position shift of the body 23 can be suppressed.

Further, since the first connecting member 30 folded back from the back is brought into contact with the vicinity of the wearer's hip bone, the diaper is compared with the case where it is brought into contact with the vicinity of the lower waist having a relatively small outer peripheral dimension. 10 sliding down can be effectively prevented. Moreover, it is located in the outer surface of the front waist area 11 which latches the base end part 31 of the 1st connection member 30, the base side part 42 of the 2nd connection member 40, and the 1st latching | locking part 34 of the 1st connection member 30 . Since the 2nd latching | locking part 50 is respectively located in the waist opening side of the front-and-back waist areas 11 and 12, even if it does not arrange | position the waist elastic body which has elastic elasticity in a waist opening edge part, a wearer The waist opening edge of the diaper 10 that is in contact with the waist of the diaper can be fitted to the wearer's body to prevent the entire diaper 10 from sliding down. Accordingly, the connecting means 15 has a function of fitting the front and rear waist regions 11 and 12 to the body in addition to a connecting function of connecting the front and rear waist regions 11 and 12 to the open diaper 10 to form a pants shape. Is.

  Further, as described above, the boundary line (inclined edge 31 c) between the base end portion 31 of the first connecting member 30 and the free portion 32 and the front waist region 11 for locking the first locking portion 34. Since the positions of the second locking portions 50 in the vertical direction Y are shifted, they are substantially V-shaped in a side view of the diaper. Specifically, the second locking portion 50 of the front waist region 11 is located near the outer end portion of the front waist region 11, and the base end portion 31 of the first connecting member 30 is outside the front waist region 11. It is located on the side of the crotch region 13 separated from the end portion in the longitudinal direction Y. When the first portion 32A and the second portion 32B overlap each other, the free portion 32 is fitted to the body in a relatively narrow range, so that there is a gap between the diaper 10 (or the absorbent body) and the body. Is likely to occur. On the other hand, in order to prevent such disadvantages, when the first connecting member 30 is formed of a relatively wide belt-like member or in place of the first connecting member 30, a side panel that covers the side portion of the wearer is provided. In the case of arrangement, the material cost becomes high. By disposing the base end portion 31 and the second locking portion 50 so that the first portion 32A and the second portion 32B do not overlap each other as in the present embodiment, the free portion 32 has a relatively narrow width. Even if it has a dimension, a fitting property can be improved and material cost can be suppressed low.

  Although not shown, the thickness of the front and rear end portions 20A and 20B is set to be larger than that of the central portion 20C of the absorber 23 in order to bring the front and rear end portions 20A and 20B of the absorber 23 closer to the wearer's body. The rigidity can be made relatively low by a method such as reducing the size. In such a case, when the first and second connecting members 30 and 40 are connected, the front and rear end portions 20A and 20B of the absorbent body 23 are more closely attached to the wearer's body, and the absorbent body 23 is moved by the wearer's movement or the like. It is possible to prevent the front and rear end portions 20A, 20B from being separated from the body. Moreover, in the part (center part 20C) located in the crotch area 13 of the absorber 23, the center bending part located in the center of the horizontal direction X and both side foldings located on both sides in the lateral direction of the center bending part And a part of the absorbent body is deformed starting from each bent part in the wearing state, and specifically, deformed so as to have a substantially W-shaped cross section. A shape can be formed along and the fit can be further improved. In such a case, each bent portion capable of deforming the absorber 23 partially removes the absorber 23, or lowers the mass per unit of the absorber 23 in the portion compared to other portions, Alternatively, the absorber can be embossed, or the absorber 23 can be formed from two layers, an upper layer and a lower layer, and formed by the boundary line.

<Modification 1>
8 (1) and (2) show an example of a modified example of the diaper 10 according to the present invention. In this modified example, the second connecting member 60 extends straight in the longitudinal direction Y. It has the base side part 62 and the extension part 63 extended from the base side part 62 to the outer side of the horizontal direction X in the shape of a convex curve. A slit 61 extending in the lateral direction X is disposed at the center of the extending portion 63. In the case where the second connecting member 60 is rectangular, there is a risk of irritation when the sharp corners touch the skin of the wearer. According to this modification, the extension of the second connecting member 60 Since the protruding portion 63 has a shape extending in a convex shape toward the outside in the lateral direction X, the tip is curved and there are no sharp corners. There is no risk.

  FIG. 8 (2) is an example of a part of the manufacturing process of the second connecting member 60 in this modified example, and a continuous sheet 65 formed by laminating two fiber nonwoven fabrics is conveyed in the machine direction MD, and the machine A hot melt adhesive is applied to both side edges facing each other in the direction CD crossing the direction MD to form a joining area 67, and a slit 61 extending in the cross direction CD is formed so as to be separated by a given dimension in the machine direction MD. To do. By cutting the continuous sheet 65 along a cutting line 66 extending in a wave shape in the machine direction MD so as to surround each slit 61, the continuous sheet 65 is separated into a first portion 65A and a second portion 65B. And the 2nd part 65A, 65B is cut | disconnected at intervals so that the slit 61 may be pinched | interposed in the machine direction MD, and the several 2nd connection member 60 is formed. According to this modification, the plurality of second connecting members 60 can be manufactured relatively easily from the continuous sheet 65 conveyed in the machine direction MD. In addition, the second connecting member 60 is cut from the first and second portions 65A and 65B and transferred to both sides of the diaper main body 14 flowing in the machine direction MD, so that the attaching operation is facilitated.

<Modification 2>
9 (1) and 9 (2), in the present modification, the second connecting member 70 is formed from a belt-like sheet member extending in the vertical direction Y. The second connecting member 70 includes an outer end fixing portion 71 located on the side portion of the rear waist region 12 and an inner end fixing portion 72 that is opposed to the outer end fixing portion 71 in the longitudinal direction Y. The second connecting member 70 is fixed to the skin facing surface side of the barrier cuff sheet 24 at the outer end fixing portion 71 and the inner end fixing portion 72, and an intermediate portion 73 located between the inner and outer end fixing portions 71, 72. Is a non-fixed area that is not fixed to the barrier cuff sheet 24.

  Referring to FIG. 9 (2), when the diaper 10 is worn, first, the operator grips the intermediate portion 73 of the second connecting member 70 and pulls it outward in the lateral direction X, so that the intermediate portion 73 is bent. Thus, the insertion portion is formed between the second connecting member 70 and the diaper main body 14. Next, the first connecting member 30 is pulled rearward, and the tip 33 of the first connecting member 30 is inserted through the insertion portion from the inner edge side to the outer edge side in the lateral direction X of the second connecting member 70 and folded forward. Thus, the first and second connecting members 30 and 70 are connected. In the present modified example, since the dimension in the longitudinal direction Y of the insertion portion defined between the intermediate portion 73 of the second connecting member 70 and the diaper main body 14 is relatively large, the longitudinal direction Y of the front waist region 11 is increased. The first connecting member 30 that has been folded back can be locked to the front waist region 11. Specifically, the length dimension Y (vertical dimension of the intermediate part 73) L7 of the insertion part of the 2nd connection member 70 is about 50-250 mm, Preferably, it is about 80-200 mm. Moreover, it is preferable that the 2nd connection member 70 is what has elastic elasticity. In such a case, when the intermediate portion 73 is pulled outward in the lateral direction X, it can be extended to form a larger insertion portion, and the rear waist region 12 can follow the movement of the wearer's body. The occurrence of misalignment can be suppressed. When the 2nd connection member 70 has elastic elasticity, it is preferable to have an expansion ratio of 1.5 to 3.0 times.

<Modification 3>
Referring to FIG. 10 (1), in the present modification, the first connecting member 30 is formed entirely from a fiber non-woven sheet, and the entire engaging portion can engage with the engaging portion having the hook element. (Target part). In addition, a pair of locking portions (hook portions) 81 are disposed in the vicinity of the center portion in the lateral direction X of the front waist region 11, and a pair of locking portions ( A hook part) 82 is arranged. The first connecting member 30 can function as a target portion that is detachably locked with the locking portions 81 and 82 as a whole.

  Referring to FIGS. 10 (2) to 10 (4), the first connecting member 30 is inserted through the slit 41 of the second connecting member 40 and pulled up, and then folded forward and free part 32 on the outer surface of the front waist region 11. When fixing the body, the length is adjusted in accordance with the size of the wearer's body, and the portion closer to the center of the free portion 32 than the tip 33 of the free portion 32 is locked to the locking portion 82. . For example, when the length dimension of the second portion 32 </ b> B that is folded and pulled is relatively long with respect to the size of the body, the locking portion 81 is in a state where the tip 33 side of the first connecting member 30 is struck. Lock to. Thereby, the entire free part 32 is fixed to the outer surface of the front waist region 11. In such a case, the central portion of the second portion 32B that is first locked to the locking portion 81 and then locked to the locking portion 81 is engaged with the distal end 33 side of the second portion 32B that has been folded and pulled. The length of the second portion 32B may be adjusted to fit the size of the body while pulling the closer portion toward the front waist region 11, and the second portion 32B may be locked to the locking portion 82. .

  In this way, by arranging the pair of locking portions 81 and 82 on the outer surfaces of both side edge portions of the front waist region 11, the entire free portion 32 can be stopped without fluttering in a state in which the length is adjusted according to the size. The diaper 10 can be fitted to the body, and can be firmly fixed as compared with the case where the diaper 10 is fixed by one locking portion. As an example of a wearing method of the diaper 10, for example, the tip 33 of the first connecting member 30 is temporarily locked to one of the locking portions 81 and 82 as described above to form a pants-shaped form, and to the leg opening. When the leg portion is inserted into the wearing state, the temporary locking of the tip 33 of the first connecting member 30 is released to adjust the length thereof, and the first connecting member 30 is adjusted to an appropriate length. A part is locked to the locking portions 81 and 82. According to such a wearing method, the wearing operation can be performed in an upright state in the same manner as when the underwear is worn, and the body can be fitted by adjusting the length dimension of the first connecting member 30. Can be made.

Second Embodiment
FIG. 11 is a partially developed plan view similar to FIG. 2 of the diaper 10 in the second embodiment. Since the basic configuration of the diaper 10 according to the present embodiment is substantially the same as that of the diaper 10 according to the first embodiment, only differences will be described below.

  In this embodiment, the 1st connection member 90 is fixed to the skin opposing surface side of the front waist region 11 of the diaper main body 14, and the bifurcated free part 92 extended from the base end part 91. And have. The free part 92 has a first free part 92A located above in the worn state and a second free part 92B located below. Similar to the first embodiment, the free portion 92 has elastic elasticity, and a locking portion is disposed at the tip thereof. On the other hand, the second connecting member 95 includes a base side portion 97 fixed to the non-skin facing surface side of the rear waist region 12 and an extension portion 98 that extends from the base side portion 97 so as to be deployable outward in the lateral direction X. And have. The extension portion 98 is formed with first and second slits 96 </ b> A and 96 </ b> B that are separated from each other in the vertical direction Y and extend in the horizontal direction X.

  In the connecting means 15 having such a configuration aspect, the first and second free portions 92A and 92B of the first connecting member 90 are pulled rearward to form the first slit 96A and the second slit 96B of the second connecting member 95. The tip is inserted and pulled up, folded back to the front as it is, and the tip is fixed to the outer surface of the front waist region 11. In the present embodiment, the first free portion 92A of the first connecting member 90 that can contact the waist of the wearer, and the second free portion 92B that can contact the waist of the wearer. And a relatively wide range of the waist of the wearer can be tightened by the second connecting member 95 connected to them, so that the diaper 10 can be compared with the connecting means 15 according to the first embodiment. The sliding down can be effectively prevented, and the fit of the diaper 10 to the body can be further improved.

  Further, in the connecting means 15 according to the first embodiment and the second embodiment, one or a plurality of locking regions (the first connecting member 30 of the first connecting member 30) between the first connecting members 30, 90 and the second connecting members 40, 95 are used. A region where the first locking portion 34 and the second locking portion (target portion) 50 arranged on the outer surface of the front waist region 11 are engaged is located at the side edge of the front waist region 11. By positioning the locking region at the side edge of the front waist region 11, it is easy to adjust the length according to the size of the body as compared with the case where the locking region is positioned at the center. Further, since the locking region is located at the outer end of the side edge portion of the front waist region 11, the locking region is positioned in the vicinity of the hip bone, which is the most stable part of the body. Compared with the case where it is located on the inner end side of the part, the diaper 10 can be fitted to the body. Moreover, since the corner | angular part of the front waist area 11 is pressed, there is no possibility that it may bend or bend. Furthermore, the side edges 23c and 23d of the absorber 23 can be pressed against the body by positioning the locking region so as to overlap the side edges 23c and 23d of the absorber 23 in plan view.

  In each embodiment and each modification, the base end part 31 of the 1st connection member 30 has shown the aspect fixed to the diaper main body 14, However, You may be fixed to the sheet member different from the diaper main body 14. What is necessary is just to be fixed to the front waist region 11. For example, it is fixed to the outer end portion of the front waist region 11 and has a dimension in the horizontal direction X similar to that of the second connecting member 40 and extends outward from the side edge of the front waist region 11 in the horizontal direction X. You may fix the base end part 31 of the 1st connection member 30 on both sides of a flap part. Moreover, you may fix the base end part 31 of the 1st connection member 30 to a pair of flap part fixed to the both-sides edge part of the diaper main body 14, and expand | deployed to the outer side of the horizontal direction X from a both-sides edge part. In the case of these embodiments, compared with the case where the base end portion 31 is fixed to the diaper main body 14, the first connecting member 30 can be extended to the outside in the lateral direction X, which is suitable for the size. Length adjustment is easy.

  Moreover, in each embodiment and each modification, the 1st and 2nd connection members 30 and 40 are directly attached to the diaper main body 14 which has the absorber 23, but the front waist panel which defines a front waist area And a rear waist panel that defines a rear waist region, wherein the front and rear ends of the diaper body are fixed to the front and rear waist panels, and the first and second connecting members 30 and 40 are front and rear, respectively. You may have the structure attached to the waist panel. Moreover, the base end part 31 of the 1st connection member 30 may be attached to the diaper main body 14 so that engagement / disengagement is possible. Specifically, engagement means for detachably attaching them to the proximal end portion 31 and the front waist region 11 to which it is attached can be arranged.

<Third Embodiment>
The basic configuration of the wearing article according to this embodiment is the same as that of the first embodiment, and only different configurations will be described below. FIG. 12 is an exploded plan view similar to FIG. 2 of the diaper 10 in the third embodiment.

  In the present embodiment, unlike the other embodiments, the first connection member 30 extending from the front waist region 11 is connected to the second connection portions 140 located on both sides of the rear waist region 12 of the diaper body 14. The Specifically, a separate flap member is not attached to the rear waist region 12 of the diaper main body 14, and the second connecting portion 140 is formed of a substantially cross-shaped slit that penetrates the diaper main body 14 in the thickness direction. The front waist region 11 and the rear waist region 12 are coupled by pulling the first coupling member 30 toward the rear waist region 12 and inserting the first coupling member 30 through the second coupling part 140 from the tip 33. be able to.

  In the present embodiment, the dimension of the diaper 10 in the lateral direction X (the dimension of the diaper main body 14 in the lateral direction X) is about 250 mm or more, preferably 300 mm or more, even when used as an adult diaper. It is relatively wide. Therefore, as shown in FIGS. 7 (1) to (4) and FIGS. 10 (1) to (4), in the case where the diaper 10 is worn while the wearer is supine, both sides of the diaper 10 are worn by the wearer. The second connecting portion 140 is not covered with the body. The wearing assistant lifts both sides of the diaper 10 with one hand, grasps the first connecting member 30 with the other hand, pulls it backward, and inserts the tip 33 into the second connecting part 140 and is inserted. The first connecting member 30 is pulled back further with one hand, the first connecting member 30 is folded forward with the second connecting portion 140 inserted, and the first locking portion 34 is positioned on the outer surface of the front waist region 11. It fastens to the 2nd latching | locking part 50 to do.

  Thus, in order to connect the 1st connection member 30 to the 2nd connection part 140 located in the both sides of the back waist area 12 of the diaper main body 14, the 1st connection member 30 is the back waist area from the base end part 31. 12 having a free part 32 extending toward 12 and having a length dimension at least larger than the dimension of the front waist region 11 in the longitudinal direction Y. Similarly to the first embodiment, in the diaper 10 according to the present embodiment, in consideration of the efficiency of continuous production of the diaper 10, the dimension L <b> 2 at the maximum extension of the first connecting member 30 is the diaper body 14. It is preferable that it is equivalent to the dimension of the vertical direction Y. In addition to the cross shape, the second connecting portion 140 may have various known shapes such as a line extending in the horizontal direction X or the vertical direction Y, a bowl shape, a tongue piece, a curved shape, an oval shape, The opening cut out into the triangle may be sufficient. Further, in order to prevent the sheet from being broken at the second connecting portion 140, a reinforcing sheet formed from a plastic film or a relatively bulky fiber nonwoven fabric may be disposed.

  Because the free portion 32 of the first connecting member 30 that is folded back and pulled forward in a state of being connected to the second connecting portion 140 is detachably attached to the non-skin facing surface of the front waist region 11. The locking portion 182 is disposed along both side edges 14c and 14d of the diaper main body 14. The locking portion 182 does not overlap each other in the plan view of the diaper 10 and the inclined edge 31c that is the boundary line between the base end portion 31 of the first connecting member 30 and the free portion 32, and the base end portion 31 and both side edges 14c. , 14d. Thus, the latching | locking part 182 has not overlapped with the inclined edge 31c in planar view. In particular, since the position in the vertical direction Y is shifted, when the first connecting member 30 is folded forward and locked to the locking portion 182, the free portion 32 of the free portion 32 is similar to the diaper 10 according to the first embodiment. The portion pulled backward and the portion folded back forward do not overlap each other in a side view of the diaper 10, and the free portion 32 has a substantially V shape. Since the locking portion 182 is disposed in the flap portion located between the base end portion 31 and the side edges 14c and 14d, the free portion 32 of the first connecting member 30 is locked to the locking portion 182. By pressing against the body, it is possible to suppress deformation of the flap portion due to flickering or bending.

  Referring to FIG. 12, the second connecting portion 140 is located on an extension of the imaginary line K that bisects the dimension in the lateral direction X of the base end portion 31 of the first connecting member 30. Thus, when the 2nd connection part 140 is located facing the center of the base end part 31 in the vertical direction Y, when connecting the 1st connection member 30 to the 2nd connection part 140, the 1st connection member 30 can be inserted without being inclined or twisted.

<Fourth embodiment>
The basic configuration of the wearing article according to this embodiment is the same as that of the first embodiment, and only different configurations will be described below. FIG. 13 is an exploded plan view similar to FIG. 2 of the diaper 10 in the fourth embodiment.

  Referring to FIG. 13, in this embodiment, the connecting means for connecting the front waist region 11 and the rear waist region 12 is composed of a pair of belt members 200 extending in the longitudinal direction Y. The belt member 200 has a plurality of laterally extending front and rear end fixing portions 200A and 200B fixed to the skin facing surface side of the diaper main body 14 facing each other in the longitudinal direction Y, and a non-fixing portion positioned between the both end fixing portions. And a separation portion 201 formed from a slit. The belt member 200 is separated at the separation part, and is divided into a first connecting part 230 located on the front end fixing part 200A side and a second connecting part 240 located on the rear end fixing part 200B side.

  The first connecting portion 230 includes a base end portion (front end fixing portion 200A) fixed to the skin facing surface of the front waist region 11, a free portion extending from the base end portion, and a first portion located at the tip of the free portion. And a locking portion 233. The second connecting portion 240 includes a base end portion (rear end fixing portion 200B) fixed to the skin facing surface of the rear waist region 12, a free portion extending from the base end portion, and a first end located at the front end of the free portion. 2 locking portions 241. The second locking portion 241 is formed from a substantially cross-shaped slit that passes through the second connecting portion 240.

  In the connecting means having such a configuration, as in the other embodiments, that is, as shown in FIGS. 7 (1) to (4) and FIGS. When the diaper main body 14 is entirely covered with the body, the second connecting part 240 extends from the diaper main body 14 to the outside in the lateral direction X, so that the wearer can easily grip the diaper main body 14. Can do. Therefore, the wear assistant holds the second connecting part 240 with one hand and lifts it up, holds the first connecting part 230 with the other hand, and inserts the tip of the free part into the second locking part 241. Then, the inserted tip is pulled back further with one hand, and the first connecting portion 230 is folded forward with the first connecting portion 230 being inserted into the second connecting portion 240, so that the first locking portion 233 is moved to the front waist region 11. It attaches to the receiving part (not shown) located in the outer surface of the.

  Since the connecting means is composed of the first and second connecting portions 230 and 240 that are separate from the diaper main body 14, the wearing operation is easy and in the connected state as in the first embodiment. Since the first connecting portion 230 and the second connecting portion 240 do not overlap each other in a side view of the diaper 10 (see FIG. 7 (4)), the diaper main body 14 can be stably attached to the wearer's body in a relatively wide range. Can be retained. Moreover, since the 1st and 2nd connection parts 230 and 240 are formed by isolate | separating the belt member 200 continuous to the vertical direction Y, compared with the case where they are manufactured separately and fixed to the diaper main body 14. Thus, the manufacturing process is simple and the manufacturing cost can be reduced.

  The 1st connection part 230 and the 2nd connection part 240 are the fastening which can be fastened to the diaper main body 14 in the part by the side of the base end part 200A, 200B of the free part of the surface facing the diaper main body 14, respectively. Parts 205 and 206. Since the fastening portions 205 and 206 are disposed, the first and second connecting portions 230 and 240 overlap the diaper main body 14 in a state of being folded back along the base end portions 200A and 200B. The area can be fixed. In this manner, in a state in which both the connecting portions 230 and 240 are deployed, the fixing portions 205 and 206 are fixed to the diaper main body 14, so that such a mode is easily maintained, and a connecting operation performed by holding them is easier. Can be done.

  Unless otherwise specified, the members constituting the diaper main body 14 and the connecting means 15 are not limited to the materials described in this specification, but are limited to known materials commonly used in this type of field. Can be used. In the present specification, an open-type disposable diaper is used as an example of a wearing article provided with the connecting means 15, but it can also be applied to wearing articles such as an incontinence pad for adults and a sanitary napkin for women. . Further, terms such as “first” and “second” used in the present specification are merely used to distinguish similar elements, positions, and the like.

The disclosure relating to the first invention described above can be organized into at least the following matters.
Having a longitudinal direction and a transverse direction orthogonal thereto, and the non-skin-facing surface located on the skin-facing surface and opposite side, a first waist region, which is one of the front and rear waist regions, the said is the other of the front and rear waist regions 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In the open-type disposable wearing article provided, the connecting means includes a proximal end portion located in the first waist region and a free portion extending from the proximal end portion and having a locking portion located at least partially. The first connecting member includes a pair of first connecting members and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body. Connected to the second connecting member. In a state, the locking portion of the first connecting member A lockable to said first waist region, said second coupling member, through which the tip of the free portion of the first connecting member is inserted And the insertion portion is a slit extending in the lateral direction .

The disclosure relating to the second, third, and fourth inventions described above can be summarized at least as follows.
2nd invention has a vertical direction and the horizontal direction orthogonal to it, the skin opposing surface and the non-skin opposing surface located in the other side, the 1st waist area which is one of the front-back waist areas, and the said front-back waist area The second waist region, the crotch region located between the first and second waist regions, the diaper body having the absorber, and the first waist region and the second waist region. In the open-type disposable wearing article comprising the connecting means, the connecting means extends from the base end portion located in the first waist region, and the locking portion is located at least partially. A pair of first connecting members having a free portion, and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body, The first connecting member is connected to the second In a state of being connected to the linking member, the locking portion of the first connecting member can be locked to the first waist region, and the second connecting member has a tip of the free portion of the first connecting member. It has an insertion part to be inserted, and the insertion part has a cross shape in which the slit extending in the vertical direction and the slit extending in the horizontal direction intersect .
3rd invention has the vertical direction and the horizontal direction orthogonal to it, the skin opposing surface and the non-skin opposing surface located in the other side, the 1st waist area which is one of the front-back waist area, and the said front-back waist area The second waist region, the crotch region located between the first and second waist regions, the diaper body having the absorber, and the first waist region and the second waist region. In the open-type disposable wearing article comprising the connecting means, the connecting means extends from the base end portion located in the first waist region, and the locking portion is located at least partially. A pair of first connecting members having a free portion, and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body, The first connecting member is connected to the second In a state of being connected to the linking member, the locking portion of the first connecting member can be locked to the first waist region, and the base end portion of the first connecting member is an inner edge extending in the longitudinal direction. And an outer edge that extends in the longitudinal direction and has a dimension in the longitudinal direction larger than that of the inner edge, and an inclined edge that connects the inner edge and the outer edge on the crotch region side.
4th invention has a vertical direction and the horizontal direction orthogonal to it, the skin opposing surface and the non-skin opposing surface located in the other side, the 1st waist area which is one of the front-back waist area, and the said front-back waist area The second waist region, the crotch region located between the first and second waist regions, the diaper body having the absorber, and the first waist region and the second waist region. In the open-type disposable wearing article comprising the connecting means, the connecting means extends from the base end portion located in the first waist region, and the locking portion is located at least partially. A pair of first connecting members having a free portion, and a pair of second connecting members that extend outward in the lateral direction in the second waist region and separate from the diaper main body, The first connecting member is connected to the second In a state of being connected to the linking member, the locking portion of the first connecting member can be locked to the first waist region, and the diaper body has both side portions extending in the longitudinal direction, and the both side portions Is provided with a barrier cuff having a distal edge oriented in an upright position, the first connecting member is fixed to the barrier cuff, and a part of the base end is located at the distal edge.

The first, second, third, and fourth inventions disclosed above can include at least the following embodiments. The embodiments can be adopted separately or in combination with each other.
( 1 ) The reinforcement sheet formed from the plastic film or the fiber nonwoven fabric is located in the area | region where the said insertion part is arrange | positioned at least among the said 2nd connection members.
( 2 ) The first connecting member has a plurality of the free portions extending from the base end portion.
( 3 ) The area | region where the said 1st connection member and the said 1st waist area latch is located in the side part of the said horizontal direction of the said 1st waist area in the planar view of a diaper.

10 Disposable diapers (open-type disposable wearing articles)
11 Front waist area (1st waist area or 2nd waist area)
12 Rear waist area (1st waist area or 2nd waist area)
13 Crotch area 14 Diaper body 15 Connecting means 28 Barrier cuff distal edge 30 First connecting member 31 Base end 31a Base end inner edge 31b Base end outer edge 31c Base end inclined edge 32 Free part 33 First connection member tip 34 First locking portion 40 Second connection member 41 Slit (insertion portion)
46 Reinforcing sheet 50 Second locking part (target part)
140 Second connecting portion 182 Locking portion K Virtual line X Horizontal direction Y Vertical direction

Claims (7)

Having a longitudinal direction and a transverse direction orthogonal thereto, and the non-skin-facing surface located on the skin-facing surface and opposite side, a first waist region, which is one of the front and rear waist regions, the said is the other of the front and rear waist regions 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The connection means includes a pair of first connection members having a base end portion located in the first waist region and a free portion extending from the base end portion and having a locking portion positioned at least in part.
In the second waist region, it extends to the outside in the lateral direction, and is composed of a pair of second connecting members separate from the diaper main body,
With the first connecting member connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region ,
The second connecting member has an insertion part through which a tip of the free part of the first connecting member is inserted,
The wearing article , wherein the insertion portion is a slit extending in the lateral direction . It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The connection means includes a pair of first connection members having a base end portion located in the first waist region and a free portion extending from the base end portion and having a locking portion positioned at least in part.
In the second waist region, it extends to the outside in the lateral direction, and is composed of a pair of second connecting members separate from the diaper main body,
With the first connecting member connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region,
The second connecting member has an insertion part through which a tip of the free part of the first connecting member is inserted,
The wearing article, wherein the insertion portion has a cross shape in which a slit extending in the vertical direction and a slit extending in the horizontal direction intersect . It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The connection means includes a pair of first connection members having a base end portion located in the first waist region and a free portion extending from the base end portion and having a locking portion positioned at least in part.
In the second waist region, it extends to the outside in the lateral direction, and is composed of a pair of second connecting members separate from the diaper main body,
With the first connecting member connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region,
The base end portion of the first connecting member includes an inner edge extending in the longitudinal direction, an outer edge extending in the longitudinal direction and having a dimension in the longitudinal direction larger than the inner edge, and the crotch region side. A wearing article comprising an inclined edge connecting the inner edge and the outer edge. It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The connection means includes a pair of first connection members having a base end portion located in the first waist region and a free portion extending from the base end portion and having a locking portion positioned at least in part.
In the second waist region, it extends to the outside in the lateral direction, and is composed of a pair of second connecting members separate from the diaper main body,
With the first connecting member connected to the second connecting member, the locking portion of the first connecting member can be locked to the first waist region,
The diaper main body has both side portions extending in the vertical direction, a barrier cuff having a distal edge portion in a standing posture is provided on both side portions, and the first connecting member is fixed to the barrier cuff. The wearing article, wherein a part of the base end portion is located at the distal edge portion. The wearing article according to claim 1 or 2 , wherein a reinforcing sheet formed of a plastic film or a fiber nonwoven fabric is positioned in at least a region of the second connecting member where the insertion portion is disposed. The wearing article according to any one of claims 1 to 5 , wherein the first connecting member has a plurality of the free portions extending from the base end portion. It locked the region between the first waist region and said first coupling member, according to claim 1 positioned on said lateral side of said first waist region in a plan view of the diaper Wearing articles.

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