WO2019193785A1 - Couche jetable à enfiler - Google Patents

Couche jetable à enfiler Download PDF

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Publication number
WO2019193785A1
WO2019193785A1 PCT/JP2018/043996 JP2018043996W WO2019193785A1 WO 2019193785 A1 WO2019193785 A1 WO 2019193785A1 JP 2018043996 W JP2018043996 W JP 2018043996W WO 2019193785 A1 WO2019193785 A1 WO 2019193785A1
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WO
WIPO (PCT)
Prior art keywords
high pressure
pressure region
pants
disposable diaper
type disposable
Prior art date
Application number
PCT/JP2018/043996
Other languages
English (en)
Japanese (ja)
Inventor
圭 村上
賢一 笹山
大貴 近藤
唯 永山
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to CN201880091910.1A priority Critical patent/CN111971006B/zh
Publication of WO2019193785A1 publication Critical patent/WO2019193785A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs

Definitions

  • the present invention relates to a pants-type disposable diaper.
  • Patent Document 1 describes a pants-type disposable diaper in which the lower side from the waistline opening is divided into three upper and lower sections, and a plurality of elastic elastic members are arranged in each section to set the elastic elastic force of each section. Has been.
  • the strength of the horizontal pressure is distributed up and down with respect to the wearer's torso, and even if pressure is applied, the head side and the foot side of the body The internal pressure (vertical direction) escapes. For this reason, it is difficult to increase intra-abdominal pressure effectively. Further, when wearing and moving, there is a possibility that the position of the diaper is shifted and pressure cannot be applied to the aimed position. On the other hand, if the pressure is wide enough to cover the entire circumference of the torso, the intra-abdominal pressure is increased, but the circumference of the wearer's torso is tightened as a whole, making it difficult and uncomfortable to wear.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a pants-type disposable diaper that can increase the intra-abdominal pressure and can maintain the target position at a high pressure.
  • the main invention for achieving the above object has a front side belt portion disposed on the wearer's belly side, and a rear belt portion disposed on the wearer's back side, having a vertical direction, a horizontal direction, and a front-rear direction intersecting each other.
  • a pants-type disposable diaper comprising a side belt portion, wherein a waistline opening is formed at an upper end by the front belt portion and the rear belt portion, and a stretchable region along an edge of the waistline opening; and the front belt portion A base region adjacent to the stretchable region at the center in the left-right direction from below, a first high pressure region and a second high pressure region provided below the stretchable region, and having a unit width
  • the force for extending the first high pressure region by the unit length in the left-right direction is larger than the force for extending the base region of the unit width in the left-right direction by the unit length.
  • the force for extending the unit length in the left-right direction is larger than the force for extending the base length of the unit width in the left-right direction, and the first high pressure region and the Each of the second high pressure regions is provided in a circumferential shape across the front belt portion and the rear belt portion, and at both ends in the left-right direction, the first high pressure region is the second high pressure region.
  • the first high pressure region on the rear side is spaced from the pressure region, and is disposed on the upper side of the second high pressure region, and the lower end of the first high pressure region on the rear side is at the front side in the first high pressure region. It arrange
  • a pants-type disposable diaper that can increase the intra-abdominal pressure and maintain the target position at a high pressure.
  • FIG. 1 is a perspective view of a pants-type disposable diaper 1.
  • FIG. It is a schematic plan view of the diaper 1 of the unfolded and extended state.
  • FIG. 3 is a schematic cross-sectional view taken along line II (the center in the left-right direction) in FIG. 2.
  • 4A to 4C are conceptual diagrams showing a state where the diaper 1 of the present embodiment is worn.
  • 4A is a view seen from the front side (abdominal side)
  • FIG. 4B is a view seen from the rear side (back side)
  • FIG. 4C is a view seen from the side (side view).
  • the front belt portion has a vertical direction, a horizontal direction, and a front-rear direction intersecting with each other, and includes a front belt portion disposed on the wearer's belly side, and a rear belt portion disposed on the wearer's back side, A pants-type disposable diaper having a waist opening formed at an upper end by the rear belt portion, and an expansion region along an edge of the waist opening, and the expansion region at the center in the left-right direction of the front belt portion A base region adjacent from the lower side, a first high pressure region provided below the stretchable region, and a second high pressure region, wherein the first high pressure region having a unit width is defined in the left-right direction.
  • the force for extending the unit length is larger than the force for extending the base region of the unit width in the left-right direction, and the second high pressure region of the unit width is The unit length is extended in the left-right direction.
  • the force for increasing the base region of the unit width is larger than the force for extending the unit length in the left-right direction, and the first high pressure region and the second high pressure region are respectively
  • the first high pressure region is spaced apart from the second high pressure region at both ends in the left-right direction, and is provided circumferentially across the front belt portion and the rear belt portion.
  • a pants-type disposable diaper characterized by that.
  • the lower abdomen can be tightened diagonally upward, and the intra-abdominal pressure can be increased.
  • the upper anterior iliac spine the ledge that touches the finger when the hand is placed on the waist
  • the lower end of the second high pressure region on the rear side is disposed above the lower end of the second high pressure region on the front side in the center in the left-right direction. desirable.
  • the intra-abdominal pressure in the lower part can be further increased with the upper anterior iliac spine interposed therebetween.
  • the first high pressure region of the front belt portion is provided so as to protrude downward.
  • the second high pressure region of the rear belt portion is provided so as to protrude upward.
  • Such a pants-type disposable diaper is easy to follow the shape of the buttocks.
  • the first high-pressure region and the second high-pressure region are both centered in the vertical direction of the pant-type disposable diaper. It is desirable that it is disposed on the upper side.
  • Such a pants-type disposable diaper having an absorbent core, comprising an absorbent main body folded in two in the longitudinal direction and provided between the front belt portion and the rear belt portion, the first high pressure It is desirable that the region is provided above the upper end of the absorbent core.
  • Such a pants-type disposable diaper can prevent intra-abdominal pressure from being released.
  • Such a pants-type disposable diaper is preferably characterized in that the second high pressure region is also provided above the upper end of the absorbent core.
  • the absorbent core is more resistant to wrinkles and the absorbability can be prevented from being lowered.
  • the intra-abdominal pressure can be further increased.
  • the first high pressure region and the second high pressure region overlap each other at the center of the rear belt portion in the left-right direction, and the first high pressure region on the rear side
  • the central position in the vertical direction of the overlapping portion between the pressure region and the second high pressure region is greater than the central position in the vertical direction of the overlapping portion between the first high pressure region and the second high pressure region on the front side. It is desirable to be above.
  • Such a pants-type disposable diaper is easy to pull up more diagonally.
  • each of the first high pressure region and the second high pressure region is continuous in a circumferential direction around the waist.
  • Such a pants-type disposable diaper can generate a tightening pressure around the waist.
  • the first high pressure region and the second high pressure region are each formed of a plurality of elastic members arranged at intervals in the vertical direction. desirable.
  • the number of members in the thickness direction where there is no elastic member can be reduced, and air permeability and comfort are improved.
  • an elastic coefficient of at least one of the elastic members is larger than an elastic coefficient of another part in a predetermined range including the center in the left-right direction of the front belt portion.
  • the predetermined range including the center in the left-right direction on the front side is more difficult to deform than other parts, and it is difficult to follow the deformation of the lower abdomen due to a change in posture such as when sitting. This makes it easier to maintain the tightening pressure.
  • the elastic member is preferably a sheet-like member.
  • the base region has elasticity in at least the left-right direction.
  • Such a pants-type disposable diaper improves fit in the base region.
  • FIG. 1 is a perspective view of a pants-type disposable diaper 1 (hereinafter also referred to as diaper 1).
  • FIG. 2 is a schematic plan view of the diaper 1 in the unfolded and extended state.
  • the extended state of the diaper 1 is a state in which the diaper 1 is extended without any wrinkles, and the dimensions of each member constituting the diaper 1 (for example, a sheet constituting the outer package 20) are the same as the dimensions of the single member. Or it is the state extended until it became the length near it.
  • FIG. 3 is a schematic cross-sectional view taken along the line II (the center in the left-right direction) of FIG.
  • the diaper 1 has an up-down direction, a left-right direction (width direction), and a front-rear direction intersecting with each other, and has a thickness direction in which the respective members are stacked as shown in FIG.
  • the side that becomes the wearer's trunk side is the upper side
  • the side that becomes the wearer's crotch is the lower side
  • the side that becomes the wearer's stomach side is the front side
  • the side that becomes the wearer's back side is the rear side.
  • the side in contact with the wearer is the skin side
  • the opposite side is the non-skin side.
  • the diaper 1 has an absorbent main body 10 that is rectangular in plan view and an exterior body 20 that is located on the non-skin side of the absorbent main body 10.
  • the exterior body 20 includes a ventral-side exterior body 21 (corresponding to the front belt portion) positioned on the front side in the front-rear direction, a back-side exterior body 22 (corresponding to the rear belt portion) positioned on the rear side in the front-rear direction, and And a crotch outer body 23 connecting the two.
  • the members adjacent to each other in the thickness direction are joined with an adhesive or the like.
  • the abdominal exterior body 21 is located on one end side in the longitudinal direction of the absorbent main body 10, and the back side exterior body 22 is located on the other end side in the longitudinal direction of the absorbent main body 10.
  • the side where the ventral-side exterior body 21 is located is the front side
  • the side where the back-side exterior body 22 is located is the rear side.
  • the crotch outer body 23 is located on the skin side with respect to the abdominal side outer body 21 and the back side outer body 22.
  • the exterior body 20 is composed of three members (the abdominal exterior body 21, the back exterior body 22, and the crotch exterior body 23), but is not limited thereto.
  • the abdominal-side exterior body 21, the back-side exterior body 22, and the crotch exterior body 23 may be configured by one member.
  • the absorbent main body 10 is folded in half at the longitudinal center CL, and both left and right end portions of the ventral side exterior body 21 and both left and right end portions of the back side exterior body 22 are arranged. Are joined by welding or the like, so that the pants shape shown in FIG. 1 is obtained. That is, the longitudinal direction of the absorbent main body 10 is along the vertical direction of the diaper 1, and the ventral-side exterior body 21 and the back-side exterior body 22 are connected in an annular shape to form the waistline opening 1 a and the pair of leg-hole openings 1 b. .
  • end joint regions 24 are referred to as end joint regions 24.
  • the absorbent main body 10 includes an absorbent core 11, a top sheet 12 positioned on the skin side of the absorbent core 11, and a back sheet 13 positioned on the non-skin side of the absorbent core 11.
  • the absorbent core 11 is a member that absorbs and holds excretory fluid such as urine, and is formed of liquid absorbent fibers such as pulp fibers mixed with a super absorbent polymer (SAP), for example.
  • SAP super absorbent polymer
  • the outer peripheral surface of the absorbent core 11 may be covered with a liquid-permeable sheet such as tissue paper or nonwoven fabric.
  • the top sheet 12 is a liquid-permeable sheet, and for example, a hydrophilic air-through nonwoven fabric or a spunbond nonwoven fabric is used.
  • the back sheet 13 has a two-layer structure of a liquid impermeable sheet 13a and a liquid permeable sheet 13b disposed on the non-skin side thereof.
  • the liquid-impermeable sheet 13a for example, a resin film or the like is used
  • the liquid-permeable sheet 13b for example, a flexible nonwoven fabric or the like is used.
  • the back sheet 13 may be a single layer structure of the liquid impermeable sheet 13a.
  • three-dimensional gather portions 14 that can stand on the skin side may be provided on both sides in the left-right direction of the absorbent main body 10.
  • the abdominal side exterior body 21 and the back side exterior body 22 are respectively lower than the waistline regions 211 and 221 in which the end joint regions 24 are positioned in the vertical direction and the waistline regions 211 and 221.
  • the waistline regions 211 and 221 have a rectangular shape in plan view.
  • the waistline region 211 of the backside exterior body 22 is a center BCL between the center CL of the absorbent main body 10 (in other words, the lower end of the diaper 1) and the upper end of the backside exterior body 22 (in other words, the upper end of the diaper 1). Is located above.
  • the crotch side regions 212 and 222 have a substantially trapezoidal shape, and the lateral width (length in the left-right direction) becomes narrower toward the lower side.
  • the back side exterior body 22 has a larger crotch region 222 and can cover the wearer's buttocks.
  • the ventral-side exterior body 21 and the back-side exterior body 22 are respectively skin-side sheets 213 and 223 positioned on the skin side, and non-skin-side sheets 214 and 224 positioned on the non-skin side.
  • the elastic nonwoven fabrics 215 and 225 which are located between them and have elasticity in at least the right and left direction of the diaper 1.
  • the skin side sheets 213 and 223 and the non-skin side sheets 214 and 224 are preferably flexible sheets, and for example, a spunbond nonwoven fabric or an SMS nonwoven fabric is used.
  • the stretchable nonwoven fabrics 215 and 225 include, for example, a polyurethane elastomer that is a thermoplastic elastomeric fiber having elasticity and a polypropylene (PP) of a polyolefin resin that is a thermoplastic resin fiber having inelasticity.
  • the nonwoven fabric is subjected to an appropriate stretching process such as gear stretching. By this stretching treatment, the stretchable nonwoven fabrics 215 and 225 have the stretchability in the left-right direction and the up-down direction of the diaper 1.
  • stretching process may perform a extending
  • the skin side sheets 213 and 223, the non-skin side sheets 214 and 224, and the stretchable nonwoven fabrics 215 and 225 are joined by a plurality of welded portions (not shown). For this reason, compared with the case where it joins with the adhesive agent which solidifies, for example, the touch is soft.
  • the elastic nonwoven fabrics 215 and 225 contract between the welded portions, so that the skin side sheets 213 and 223 and the non-skin side sheets 214 and 224 are curved and protrude outward in the thickness direction. That is, since the skin side sheets 213 and 223 and the non-skin side sheets 214 and 224 swell between the welded portions, the touch becomes softer and a visually soft impression can be given to the user. Since the welded portions are scattered at a relatively narrow interval, the diaper 1 of the present embodiment extends in many directions, and a fine bulge is generated. Since the occurrence of vertical warp etc. can be prevented, the beauty of the diaper 1 is good.
  • a plurality of waistline elastic members 26 are disposed in the region along the edge of the waistline opening 1a in the ventral side exterior body 21 and the back side exterior body 22.
  • the region where the waistline elastic member 26 is provided is also referred to as an expansion / contraction region 26s.
  • the region surrounded by the broken line below the stretchable region 26s in FIG. 2 is also referred to as the base region 21s.
  • the base region 21s is a region in which a stretchable nonwoven fabric 215 is provided between the skin side sheet 213 and the non-skin side sheet 214, and is located below the stretch region 26s at the center in the left-right direction of the abdominal exterior body 21. Is an adjacent area.
  • leg-hole elastic members 27 are arranged in a region along the edge of the leg-hole opening 1b.
  • the legline elastic member 27 is made of, for example, rubber thread.
  • the waist circumference and leg circumference of the diaper 1 are firmly adhered to the wearer by the waist circumference elastic member 26 and the leg circumference elastic member 27. Therefore, the diaper 1 can be prevented from slipping out and leaking from the legs. Further, the positions of high pressure regions (first high pressure region 33s and second high pressure region 35s) described later are also difficult to shift.
  • the region where the elastic nonwoven fabrics 215 and 225 are provided fits the wearer gently over the entire surface.
  • the fit in the base region 21s is improved.
  • pressure can be applied evenly to the skin, the feeling of tightening can be reduced, and the feeling of strangeness can be suppressed (comfort is good).
  • stretchable films 33 and 35 are also disposed on the ventral exterior body 21 and the back exterior body 22 of the diaper 1 of the present embodiment.
  • the first high pressure region 33 s and the second high pressure region 35 s are formed by the stretchable films 33 and 35, respectively. Details of the stretchable films 33 and 35 and the high pressure regions (the first high pressure region 33s and the second high pressure region 35s) will be described later.
  • the crotch outer body 23 has a substantially hourglass shape in plan view that is curved inward in the left-right direction at the central portion in the longitudinal direction. Moreover, as shown in FIG. 3, the crotch outer body 23 is located between the skin side sheet 231 located on the skin side, the non-skin side sheet 232 located on the non-skin side, and the upper and lower sides of the diaper 1. And a stretchable nonwoven fabric 233 having stretchability in the direction (longitudinal direction of the absorbent main body 10). The skin side sheet 231, the non-skin side sheet 232, and the stretchable nonwoven fabric 233 are joined together by a plurality of welded portions (not shown).
  • the elastic nonwoven fabric 233 of the crotch outer body 23 allows the absorbent core 11 to be in close contact with the wearer's crotch, and even if the weight of the absorbent core 11 increases due to excretion, the diaper 1 can be prevented from sagging.
  • the stretchable nonwoven fabric 233 may be stretchable in the left-right direction of the diaper 1, or may be stretchable in the up-down direction and the left-right direction of the diaper 1.
  • a crotch elastic member 28 is disposed in a region along the leg opening 1b in the crotch outer body 23.
  • the crotch elastic member 28 is made of rubber thread or the like, like the waistline elastic member 26 and the legline elastic member 27. As a result, the crotch outer body 23 comes into close contact with the wearer's legs.
  • FIGS. 4A to 4C are conceptual diagrams showing a state where the diaper 1 of the present embodiment is worn.
  • 4A is a view seen from the front side (abdominal side)
  • FIG. 4B is a view seen from the rear side (back side)
  • FIG. 4C is a view seen from the side (side view).
  • the portions (arrangements) where the first high pressure region 33s and the second high pressure region 35s are provided are shown surrounded by alternate long and short dash lines.
  • the diaper 1 of the present embodiment is provided with two high pressure regions (first high pressure region 33s and second high pressure region 35s) below the stretchable region 26s.
  • region is an area
  • the force for extending the unit width of the high-pressure region (the first high-pressure region 33 s and the second high-pressure region 35 s) in the left-right direction extends the unit width of the base region 21 s in the left-right direction. It means that it is bigger than the force to make it.
  • the first high pressure region 33 s is provided so as to cross the waist region 211 of the ventral exterior body 21 and the waist region 221 of the back exterior body 22 between the end joint regions 24 at both ends in the left-right direction. It has been. Similarly, the second high pressure region 35s also crosses the waistline region 211 of the abdominal exterior body 21 and the waistline region 221 of the backside exterior body 22 between the end joint regions 24 at both ends in the left-right direction. Is provided as
  • the first high pressure region 33s is configured by a plurality of (three in the present embodiment) stretchable films 33 arranged at intervals in the vertical direction.
  • the second high pressure region 35s is configured by a plurality of (three in the present embodiment) stretchable films 35 arranged at intervals in the vertical direction.
  • the stretchable films 33 and 35 are elastic members having stretchability by melting an elastomer resin such as urethane or styrene to form a sheet having a uniform thickness.
  • the three stretchable films 33 on the ventral side exterior body 21 side (front side) and the three stretchable films 33 on the back side exterior body 22 side (rear side) corresponding to the stretchable film 33 are respectively end joint regions 24.
  • the edge part of the left-right direction of the three elastic films 33 in other words, 1st high voltage
  • the left and right ends of the stretchable film 33 (in other words, the first high-pressure region 33 s) of the book are connected. Thereby, as shown in FIG.
  • the first high pressure region 33 s on the ventral exterior body 21 side and the first high pressure region 33 s on the back side exterior body 22 side are continuous in the end joint region 24.
  • the first high pressure region 33 s is formed in a circumferential shape across the ventral-side exterior body 21 and the back-side exterior body 22.
  • the three stretchable films 35 on the abdominal exterior body 21 side and the three stretchable films 35 on the backside exterior body 22 side corresponding thereto are respectively arranged in the vertical direction in the end joint region 24. They are arranged so that their positions are the same. And in the edge part junction area
  • the second high pressure region 35 s on the ventral exterior body 21 side and the second high pressure region 35 s on the back exterior body 22 side are connected so as to be continuous in the end joint region 24.
  • the second high pressure region 35 s is formed in a circumferential shape across the ventral-side exterior body 21 and the back-side exterior body 22.
  • the first high pressure region 33s passes near the region (expandable region 26s) along the edge of the waistline opening 1a, and the second high pressure region 35s is on the edge of the leg periphery opening 1b. It passes near the region along which the leg elastic member 27 is formed. Further, in the end joint region 24, the first high pressure region 33s and the second high pressure region 35s do not overlap. That is, in the end joint region 24, the first high pressure region 33s is separated from the second high pressure region 35s and is disposed above the second high pressure region 35s.
  • the first high pressure region 33 s is arranged so that at least the upper end is above the upper anterior iliac spine of the wearer, and the second high pressure region 35 s is at least the lower end of the upper front. It is arranged so that it is below the iliac spine.
  • the lower end of the first high pressure region 33s is arranged to pass over the superior anterior iliac spine.
  • the upper anterior iliac spine is a protruding portion of the iliac bone that is the largest bone of the pelvis, and is a ledge that touches a finger when a hand is placed on the waist.
  • the wearer's upper anterior iliac spine can be sandwiched between the first high pressure region 33s and the second high pressure region 35s.
  • the upper anterior iliac spine is sandwiched between the first high pressure region 33s and the second high pressure region 35s, so that it is difficult for the misalignment to occur when the diaper 1 is worn, and the target position is reliably high pressure. Can be held in.
  • the first high pressure region 33 s is curved and arranged so as to protrude downward on the ventral exterior body 21 side (see FIGS. 2 and 4A), and the stretchable region on the back side exterior body 22 side. It is arranged almost horizontally near the lower part of 26s (see FIGS. 2 and 4B). For this reason, at the center C in the left-right direction of the diaper 1, the lower end of the first high pressure region 33s on the back side exterior body 22 side (rear side) is the first high pressure region 33s on the ventral side exterior body 21 side (front side). It is arrange
  • the abdominal exterior body 21 is convex downward, so that the intraabdominal pressure can be easily increased.
  • the function of the muscles (abdominal muscle etc.) around the pelvis can be assisted and the pelvis can be stabilized.
  • the walking performance such as a foot rise and a stride.
  • the first high pressure region 33 s is disposed above the upper end of the absorbent core 11 (does not overlap with the absorbent core 11). Thereby, it is possible to prevent the intra-abdominal pressure from being released.
  • the second high pressure region 35 s is disposed substantially horizontally on the ventral exterior body 21 side (see FIGS. 2 and 4A), and is curved so as to protrude upward on the back exterior body 22 side. (See FIGS. 2 and 4B).
  • the lower end of the second high pressure region 35s on the back side exterior body 22 side (rear side) is the second high pressure region 35s on the ventral side exterior body 21 side (front side). It is arrange
  • the second high pressure region 35 s is disposed above the upper end of the absorbent core 11 (does not overlap with the absorbent core 11). Thereby, a wrinkle is harder to the absorptive core 11, and it can prevent so that absorptivity falls.
  • the first high pressure region 33 s and the second high pressure region 35 s are provided in the waistline region 221.
  • the waistline region 221 is located above the center BCL in the vertical direction of the diaper 1 (see FIG. 2). That is, on the back exterior body 22 side (rear side), the first high pressure region 33 s and the second high pressure region 35 s are both disposed above the center BCL in the vertical direction of the diaper 1. Thereby, it can tighten
  • region 33s has protruded below by the abdominal side exterior body 21 side, in the center C of the left-right direction of the front side of the diaper 1, the 1st high pressure area
  • the center position Jf shown in FIG. 4A is the center in the vertical direction of the overlapping portion of the first high pressure region 33s and the second high pressure region 35s in the center C in the left-right direction on the front side of the diaper 1.
  • the second high pressure region 35 s is convex upward on the backside exterior body 22 side, the first high pressure region 33 s and the second high pressure are also present at the center C in the left-right direction on the rear side of the diaper 1.
  • the region 35s overlaps.
  • the center position Jb shown in FIG. 4B is the midpoint in the vertical direction of the overlapping portion of the first high pressure region 33s and the second high pressure region 35s at the center C in the left-right direction on the rear side of the diaper 1.
  • the center position Jf of the overlapping portion (the overlapping portion of the first high pressure region 33 s and the second high pressure region 35 s) at the center C in the left-right direction on the front side.
  • the center position Jb of the overlapping portion at the center C in the left-right direction on the rear side is at a higher position (upper side). Thereby, it is easy to pull up a wearer's lower abdomen more diagonally upward.
  • the diaper 1 of the present embodiment includes the base region adjacent to the stretchable region 26s along the edge of the waistline opening 1a and the stretchable region 26s at the center in the left-right direction of the ventral-side exterior body 21 from below. 21 s, and a first high pressure region 33 s and a second high pressure region 35 s provided below the stretchable region 26 s.
  • the first high pressure region 33 s and the second high pressure region 35 s are circumferentially provided across the abdominal exterior body 21 and the back exterior body 22, and the first high pressure region is provided in the end joint region 24.
  • the region 33s is separated from the second high pressure region 35s and is disposed above the second high pressure region 35s.
  • the lower end of the first high pressure region 33 s on the backside exterior body 22 side is disposed above the lower end of the first high pressure region 35 s on the abdominal exterior body 21 side.
  • the second high-pressure region 35s on the ventral-side exterior body 21 side is substantially horizontal, but may be arranged so as to protrude downward.
  • the second high pressure region 35 s on the backside exterior body 22 side is convex upward, but may be disposed horizontally (not necessarily convex upward).
  • the first high pressure region 33 s and the second high pressure region 35 s may be disposed substantially in parallel around the waist. In this case, the first high pressure region 33 s and the second high pressure region 35 s do not overlap each other on the front side and the rear side.
  • the target position can be maintained at a high pressure and the intraabdominal pressure is increased by sandwiching the upper anterior iliac spine of the wearer between the first high pressure region 33s and the second high pressure region 35s. be able to.
  • the first high pressure region 33 s and the second high pressure region 35 s are each composed of a plurality (three) of the stretchable films 33 and 35, but are not limited thereto. .
  • stretchable films 33, 35 by forming a plurality of stretchable films (stretchable films 33, 35) at intervals in the vertical direction as in the above-described embodiment, the number of members in the thickness direction of the places where there is no stretchable film can be reduced. Improves breathability and comfort.
  • the member constituting the high pressure region is not limited to a stretchable film, and a thread-like or belt-like elastic member made of polyurethane resin or natural rubber may be used.
  • each high pressure region (the first high pressure region 33 s and the second high pressure region 35 s) is connected in the end joint region 24 so as to be completely continuous.
  • the part should just be continuous in the circumferential direction around the waist.
  • the front high-pressure region and the rear high-pressure region are arranged in the horizontal direction, and the rear high-pressure region is disposed above the front high-pressure region, and the end joint region 24 is arranged.
  • a step may be provided and a part thereof may be connected.
  • the first high pressure region 33 s and the second high pressure region 35 s can be tightened in the circumferential direction because at least a part of the first high pressure region 33 s and the second high pressure region 35 s are continuous with each other. Since the high pressure region on the side is disposed above the high pressure region on the front side, the lower abdomen can be tightened obliquely upward.
  • At least one elastic coefficient of the stretchable films 33 and 35 is set to other portions.
  • the value may be larger than the value.
  • the elastic coefficient is a proportional constant between stress and displacement (strain) in elastic deformation, and the larger the elastic coefficient, the smaller the displacement amount for the same stress. That is, when the same force is applied, the above-mentioned predetermined range portion may be less likely to be deformed than other portions. As a result, it becomes difficult to follow the deformation of the lower abdomen due to a change in posture such as when sitting, and it becomes easier to maintain the tightening pressure.
  • a method of increasing the elastic modulus of a part of the stretchable film for example, a method of reducing a stretchability (increasing the elastic modulus) by heating a part of the stretchable film (the predetermined range). is there.
  • 1 pants-type disposable diapers 10 absorbent body, 11 absorbent core, 12 top sheet, 13 back sheet, 14 solid gather part, 20 exterior body, 21 ventral exterior body (front belt part), 21s base region, 22 Back exterior body (rear belt part), 23 inseam exterior body, 24 end joint region, 26 waist elastic member, 26s stretchable region, 27 leg elastic member, 28 inseam elastic member, 33 stretchable film (elastic member), 33s first high pressure region, 35 Elastic film (elastic member), 35s Second high pressure region

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

La présente invention concerne une couche jetable à enfiler (1) munie d'une section de ceinture côté avant (21) et d'une section de ceinture côté arrière (22), avec une ouverture côté taille (1a) formée au niveau de l'extrémité supérieure : la couche est munie d'une région d'allongement (26s) le long du bord de l'ouverture côté taille, une région de base (21s) qui est adjacente depuis le dessous vers le centre latéral côté avant de la région d'allongement (26s), et une première région haute pression (33s) et une seconde région haute pression (35s) qui sont disposées en-dessous de la région d'allongement (26s) ; la première région haute pression (33s) et la seconde région haute pression (35s) étant disposées dans la circonférence ; au niveau des sections d'extrémité gauche et droite, la première région haute pression (33s) étant séparée de la seconde région haute pression (35s) et étant disposée au-dessus de la seconde région haute pression (35s) ; et l'extrémité inférieure de la première région haute pression (33s) sur le côté arrière étant disposée, dans le centre latéral, au-dessus de l'extrémité inférieure de la première région haute pression (35s) sur le côté avant.
PCT/JP2018/043996 2018-04-03 2018-11-29 Couche jetable à enfiler WO2019193785A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880091910.1A CN111971006B (zh) 2018-04-03 2018-11-29 短裤型一次性尿布

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-071289 2018-04-03
JP2018071289A JP6503489B1 (ja) 2018-04-03 2018-04-03 パンツ型使い捨ておむつ

Publications (1)

Publication Number Publication Date
WO2019193785A1 true WO2019193785A1 (fr) 2019-10-10

Family

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PCT/JP2018/043996 WO2019193785A1 (fr) 2018-04-03 2018-11-29 Couche jetable à enfiler

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Country Link
JP (1) JP6503489B1 (fr)
CN (1) CN111971006B (fr)
TW (1) TWI774912B (fr)
WO (1) WO2019193785A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7423307B2 (ja) * 2019-12-26 2024-01-29 ユニ・チャーム株式会社 パンツ型使い捨ておむつ

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JPH08294510A (ja) * 1995-04-26 1996-11-12 Uni Charm Corp 使い捨て着用物品
JPH10127687A (ja) * 1996-11-01 1998-05-19 Daio Paper Corp パンツ型使い捨て紙おむつ
JP2001258931A (ja) * 2001-02-06 2001-09-25 Kao Corp 使い捨てパンツ型おむつ
JP2003305082A (ja) * 2002-04-15 2003-10-28 Uni Charm Corp ズリ下がり防止可能なパンツ型おむつ
JP2013031535A (ja) * 2011-08-01 2013-02-14 Unicharm Corp 使い捨て着用物品
JP2013031536A (ja) * 2011-08-01 2013-02-14 Unicharm Corp 使い捨て着用物品
JP2015202246A (ja) * 2014-04-15 2015-11-16 ユニ・チャーム株式会社 使い捨ておむつ

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JPH0884747A (ja) * 1994-09-16 1996-04-02 New Oji Paper Co Ltd パンツ型使いすておむつ及びその製造方法
CN2251991Y (zh) * 1996-03-12 1997-04-16 富堡工业股份有限公司 具有弹性元件的纸尿裤
JP4594053B2 (ja) * 2004-11-30 2010-12-08 大王製紙株式会社 パンツ型使い捨ておむつ
KR101262140B1 (ko) * 2004-07-30 2013-05-14 가오 가부시키가이샤 팬츠형 일회용 기저귀
JP4530936B2 (ja) * 2005-07-28 2010-08-25 花王株式会社 パンツ型使い捨ておむつ
JP4401351B2 (ja) * 2005-12-26 2010-01-20 大王製紙株式会社 パンツ型使い捨ておむつカバー
JP5253064B2 (ja) * 2008-09-18 2013-07-31 ユニ・チャーム株式会社 使い捨ておむつ
EP3323396B1 (fr) * 2015-07-13 2021-03-31 Koyo Corporation Sous-vêtement jetable et procédé de fabrication de sous-vêtement jetable

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Publication number Priority date Publication date Assignee Title
JPH08294510A (ja) * 1995-04-26 1996-11-12 Uni Charm Corp 使い捨て着用物品
JPH10127687A (ja) * 1996-11-01 1998-05-19 Daio Paper Corp パンツ型使い捨て紙おむつ
JP2001258931A (ja) * 2001-02-06 2001-09-25 Kao Corp 使い捨てパンツ型おむつ
JP2003305082A (ja) * 2002-04-15 2003-10-28 Uni Charm Corp ズリ下がり防止可能なパンツ型おむつ
JP2013031535A (ja) * 2011-08-01 2013-02-14 Unicharm Corp 使い捨て着用物品
JP2013031536A (ja) * 2011-08-01 2013-02-14 Unicharm Corp 使い捨て着用物品
JP2015202246A (ja) * 2014-04-15 2015-11-16 ユニ・チャーム株式会社 使い捨ておむつ

Also Published As

Publication number Publication date
TWI774912B (zh) 2022-08-21
CN111971006A (zh) 2020-11-20
JP6503489B1 (ja) 2019-04-17
JP2019180514A (ja) 2019-10-24
CN111971006B (zh) 2022-05-13
TW201941754A (zh) 2019-11-01

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