WO2018123016A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2018123016A1
WO2018123016A1 PCT/JP2016/089094 JP2016089094W WO2018123016A1 WO 2018123016 A1 WO2018123016 A1 WO 2018123016A1 JP 2016089094 W JP2016089094 W JP 2016089094W WO 2018123016 A1 WO2018123016 A1 WO 2018123016A1
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WO
WIPO (PCT)
Prior art keywords
width direction
absorbent article
pressing
absorbent
absorbent core
Prior art date
Application number
PCT/JP2016/089094
Other languages
English (en)
Japanese (ja)
Inventor
健太 谷口
工藤　淳
望 前谷
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 PCT/JP2016/089094 priority Critical patent/WO2018123016A1/fr
Priority to JP2017565875A priority patent/JP6749349B2/ja
Publication of WO2018123016A1 publication Critical patent/WO2018123016A1/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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/535—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/535—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • A61F13/536—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression

Definitions

  • the present invention relates to an absorbent article.
  • An example of an absorbent article is a sanitary napkin.
  • the napkin of Patent Document 1 is provided with a folding guide line along the longitudinal direction at the center in the width direction of the absorbent body so as to project and bend toward the skin side.
  • a pair of linear pressing part extended in the longitudinal direction is provided in the vicinity of the both ends of the width direction of an absorber. Therefore, when the force of pinching the leg is applied during wearing, the napkin bends at the folding guide line and comes into contact with the wearer's excretion opening (vagina opening).
  • part between a folding induction line and a linear pressing part folds along a wearer's labia part, and favorable fitting property is obtained.
  • This invention is made
  • the main invention for achieving the above object is an absorbent having a longitudinal direction, a width direction, and a thickness direction orthogonal to each other, an absorbent core, and a crotch region located at least in the crotch portion of the wearer when worn. It is an article, and at least a part of the crotch part is thicker than parts on both outer sides of the crotch part in the longitudinal direction, and the absorbent core is bent to protrude toward the skin side at the center in the width direction.
  • a pair of first squeezing parts having a predetermined length in the longitudinal direction are arranged on both sides of the folding guide part in the width direction,
  • a pair of second compressed parts having a predetermined length in the longitudinal direction is arranged outside the first compressed part in the width direction, and in a cross section with the crotch region cut in the width direction, Said first pressing in the width direction
  • There is an absorbent article characterized in that, being disposed at a position close to the center of the absorbent core than the end of the absorbent core.
  • the fit of an absorbent article having a thick crotch region can be improved.
  • FIG. 1 It is a schematic plan view of the napkin 1 of 1st Embodiment. It is a schematic sectional drawing of the crotch part 1A cut in the width direction. It is a figure which shows the basic weight of the absorptive core 11. FIG. It is a figure explaining the 1st linear pressing part 24 and the 2nd linear pressing part 25. FIG. It is a schematic sectional drawing in the case of wearing of the crotch part 1A of the napkin 1.
  • FIG. It is a schematic plan view of the napkin 1 of 2nd Embodiment.
  • An absorbent article having a longitudinal direction, a width direction, and a thickness direction orthogonal to each other, an absorbent core, and a crotch region located at least in a crotch portion of the wearer when worn, and at least one of the crotch regions Part of the crotch part in the longitudinal direction is thicker than the outer part of the crotch part, and the absorbent core is folded along the longitudinal direction in such a manner that the absorbent core is guided to protrude and bend toward the skin at the center part in the width direction.
  • a pair of first pressing parts having a guiding part, having a predetermined length in the longitudinal direction are arranged on both sides of the folding guiding part in the width direction, and the widthwise outer side of each of the first pressing parts
  • a pair of second pressing parts having a predetermined length in the longitudinal direction is arranged, and in the cross section with the crotch part cut in the width direction, the first pressing part absorbs the absorption in the width direction.
  • Absorbability than the end of the conductive core Absorbent article to what is arranged at a position close to the center of the A and characterized.
  • the wearer it is possible to give the wearer an impression of comfort and comfort from the thickness of the crotch region.
  • the rigidity of the width direction of a crotch part increases by the 1st pressing part and the 2nd pressing part. Therefore, even when the crotch region is thick, the force of pinching the wearer's leg (crotch tightening force) is transmitted, and the center part in the width direction of the crotch region protrudes to the skin side by the folding induction part, closely contacting the wearer's excretion opening To do.
  • the side part of the width direction bends to the skin side from the 1st pressing part, and adheres to the base of a wearer's leg.
  • Such an absorbent article wherein the thickness of at least a part of the crotch region is 3.5 mm or more and 10 mm or less.
  • Such an absorbent article characterized in that, in the cross section, the second compressed portion is arranged closer to the end of the absorbent core than the center of the absorbent core in the width direction.
  • rigidity is increased to a position close to the end of the absorbent core at the side portion in the width direction of the crotch region, so that the side portion rises in a plane and adheres closely to the base of the wearer's leg.
  • the folding guide part is provided with a third pressing part on the non-skin side surface of the absorbent core, and the deepest part of the third pressing part has a depth of the deepest part.
  • the absorbent article is larger than the thickness from the absorbent core to the skin side surface.
  • the excretion liquid is easily drawn into the absorbent core by the third pressing part, and is easily diffused in the longitudinal direction. Moreover, even if the crotch region is thick, the absorbent article is easily bent to the skin side at the folding guide portion.
  • Such an absorbent article wherein the absorbent core has a density of 0.1 g / cm 3 or more and 0.2 g / cm 3 or less in the third pressing portion.
  • Such an absorbent article wherein the basis weight of the absorbent core is higher in the central part in the width direction than in the side part in at least a part of the crotch region. .
  • the central portion in the width direction of the crotch region can be thickened, and the absorption capacity of the region in contact with the excretion opening of the wearer is increased, so that it is difficult to leak.
  • this absorbent article Comprising: At least one of the said 1st pressing part and the said 2nd pressing part is curving so that it may become convex in the said width direction, The center part of the said 1st pressing part in the said longitudinal direction.
  • the absorbent article is characterized in that the end portion has a narrower distance in the width direction from the second compressed portion.
  • the side part in the width direction of the crotch region is not easily crushed and the surface shape is easily maintained. Therefore, a side part stands
  • Such an absorbent article wherein the first compressed portion is curved so as to be convex inward in the width direction.
  • the crotch tightening force is likely to act strongly at the center in the longitudinal direction of the crotch region where the first pressing portion is arranged, and therefore the region that contacts the wearer's excretion opening is high on the skin side. It is easily deformed so as to protrude and is closely attached to the excretion opening of the wearer.
  • Such an absorbent article wherein the second compressed portion is curved so as to protrude outward in the width direction.
  • the rigidity of the side part in the width direction is reduced and the rise of the side part is suppressed from the crotch part where the second pressing part is arranged toward the outside in the longitudinal direction. Therefore, the both outer side portions of the crotch portion in the longitudinal direction can easily maintain the surface shape, and fit to the wearer's lower abdomen and buttocks.
  • sanitary napkin as an example of the “absorbent article” of the present invention.
  • the present invention is not limited to this, and the present invention can be applied to other absorbent articles such as a cage sheet and a urine collecting pad.
  • FIG. 1 is a schematic plan view of a sanitary napkin 1 (hereinafter “napkin”) according to a first embodiment.
  • FIG. 2 is a schematic cross-sectional view of the crotch region 1A cut in the width direction.
  • FIG. 3 is a diagram showing the basis weight of the absorbent core 11.
  • the napkin 1 has a longitudinal direction, a width direction, and a thickness direction orthogonal to each other.
  • the side that becomes the wearer's belly side in the longitudinal direction is called “front side”, and the side that becomes the wearer's back side is called “rear side”.
  • the side in contact with the wearer's skin in the thickness direction is called “skin side”, and the opposite side is called “non-skin side”.
  • the napkin 1 has “a crotch region 1 ⁇ / b> A” located at least in the crotch portion of the wearer at the time of wearing at the center in the longitudinal direction.
  • the longitudinal range in which the wing part 2 is arranged corresponds to the crotch region 1A.
  • part located in a wearer's buttocks is long. Therefore, a slightly forward portion at the center in the longitudinal direction corresponds to the crotch portion 1A.
  • the central portion in the longitudinal direction corresponds to the crotch region 1A.
  • the liquid-permeable top sheet 3, the absorber 10, and the liquid-impermeable back sheet 4 are laminated
  • Each of these members 3, 10, and 4 is joined to a member adjacent in the thickness direction by an adhesive (not shown) or the like.
  • top sheet 3 and the back sheet 4 form the outline of the napkin 1. Both sheets 3 and 4 contain the absorber 10, and the outer peripheral edge part is joined by adhesion
  • top sheet 3 an air through nonwoven fabric etc. can be illustrated, and as the back sheet 4, a polyethylene film etc. can be illustrated.
  • the absorbent body 10 includes an absorbent core 11 and two core wrap sheets 12 that respectively cover the skin side surface 11c and the non-skin side surface 11d of the absorbent core 11.
  • the absorptive core 11 what contains superabsorbent polymer in liquid absorptive fibers, such as a pulp fiber, can be illustrated.
  • the core wrap sheet 12 include liquid-permeable tissue paper.
  • the planar shape of the absorbent body 10 shown in FIG. 1 is a substantially rectangular shape in which both ends in the longitudinal direction are curved. However, the shape is not limited to this, and may be, for example, a shape in which the crotch region 1A is constricted in the width direction. Moreover, the form without the core wrap sheet
  • the absorbent body 10 (absorbent core 11) has a “folding guide portion 13” along the longitudinal direction that guides it to protrude and bend toward the skin at the center in the width direction.
  • the folding guide portion 13 only needs to be provided at least at a part of the crotch region 1A. In the napkin 1 of the present embodiment, the folding guide portion 13 is provided over the entire region in the longitudinal direction.
  • the pressing part 131 (the 3rd pressing part of this invention) which squeezed the absorber 10 from the non-skin side is distribute
  • the process of lowering the basis weight of the absorbent core 11 along the longitudinal direction or bending the absorbent body 10 along the longitudinal direction is a manufacturing process.
  • the folding induction part 13 may be formed by applying to the absorbent body 10 or applying a hot melt adhesive along the longitudinal direction.
  • the some linear pressing part 20 is formed in the skin side surface of the napkin 1.
  • the linear pressing part 20 is a linear part where the top sheet 3 and the absorbent body 10 are pressed and integrated in the thickness direction from the skin side by embossing or the like. Therefore, in the linear pressing part 20, the density of the absorptive core 11 is high compared with the adjacent site
  • a substantially annular outer annular pressing portion group 21 that is long in the longitudinal direction is arranged along the outer peripheral edge portion of the absorbent body 10, and is located inside the outer annular pressing portion group 21 and mainly in the crotch region 1 ⁇ / b> A in the longitudinal direction A long, substantially annular inner annular pressing portion group 22 is disposed, and a pair of pressing portions 23 that are convex outward in the longitudinal direction are disposed on both outer sides of the inner annular pressing portion group 22 in the longitudinal direction.
  • the inner annular pressing portion group 22 has a pair of first linear pressing portions 24 (first pressing portions of the present invention) having a predetermined length in the longitudinal direction on both sides in the width direction of the folding guide portion 13.
  • the outer annular pressing part group 21 is a pair of second linear pressing parts 25 having a predetermined length in the longitudinal direction outside the width direction of each first linear pressing part 24 (second pressing part of the present invention).
  • Have The 1st linear pressing part 24 and the 2nd linear pressing part 25 should just be provided in a part of 1 C of crotch parts. Further, in the longitudinal direction, it is preferable that the center CL1 of the crotch region 1A (wing portion 2) and the centers of the first linear pressing portion 24 and the second linear pressing portion 25 are aligned.
  • the linear pressing part 20 shown in FIG. 1 is formed by arranging many point-like pressing parts with a narrow space
  • the linear pressing part 20 may be a groove-like pressing part whose entire area is compressed.
  • the inner side annular pressing part group 22 and the outer side annular pressing part group 21 which are shown in FIG. 1 are formed in the substantially cyclic
  • the linear pressing part 20 is formed by pressing a part of the top sheet 3 and the absorber 10 from the skin side.
  • the present invention is not limited to this, and it is only necessary that at least a part of the absorbent body 10 is compressed and recessed in the linear compressed part 20.
  • the linear compressed part 20 is formed only in the absorbent body 10, or the absorbent body 10. May be squeezed from the non-skin side.
  • FIG. 4 is a diagram illustrating the first linear pressing unit 24 and the second linear pressing unit 25.
  • FIG. 5 is a schematic cross-sectional view of the napkin 1 during wearing of the crotch region 1A.
  • the top sheet 3, the absorbent body 10, and the like are illustrated in an integrated manner and the wing portion 2 and the like are omitted in order to prevent complexity.
  • a part of the crotch region 1A is thicker than the front end 1B and the rear end 1C.
  • the product thickness at the center in the width direction of the crotch region 1A is thicker than the product thickness of the front end 1B and the rear end 1C. Therefore, from the appearance of the napkin 1, it is possible to give the user a sense of security that it is difficult to leak and an impression that the cushioning property is comfortable and comfortable to wear.
  • the thickness of at least a part of the crotch region 1A is preferably 3.5 mm or more and 10 mm or less, and preferably about 6 mm to 8 mm.
  • the thickness of the central portion in the width direction of the crotch region 1A is about 6.5 mm to 7 mm, and the thickness of the front end portion 1B and the rear end portion 1C is about 4.5 mm to 5 mm. Therefore, as shown in FIG.
  • the basis weight of the absorbent core 11 is such that the center part 1A1 in the width direction of the crotch region 1A (for example, 700 g / m 2 ) has a front end part 1B and a rear end part 1C (for example, 400 g / M 2 ).
  • the basis weight of the absorbent core 11 in the crotch region 1A is higher in the central portion 1A1 (for example, 700 g / m 2 ) in the width direction than in the side portion 1A2 (for example, 400 g / m 2 ). Therefore, the absorption capability of the area
  • the napkin 1 of the present embodiment is a thick napkin in which the basis weight of the absorbent core 11 is relatively high. It should be noted that the relationship between the product thickness and the basis weight of the absorbent core 11 need only be established at least at a part of the crotch region 1A.
  • the comparison of the product thickness between the crotch region 1A, the front end 1B, and the rear end 1C may be performed by a known method.
  • a dial thickness gauge ID-C1012C manufactured by Mitutoyo Co., Ltd. or its equivalent is used, the area of the contact is set to 20 cm 2 , the contact pressure is set to 3 gf / cm 2 , and the target part is pressurized and measured. Is the method.
  • the basis weight of the absorbent core 11 between the center portion 1A1 and the side portion 1A2 in the width direction of the crotch region 1A may be compared by a known method.
  • the target part is cut out from the napkin 1 as a sample, and the mass of each sample is measured with a direct balance (for example, an electronic balance HF-300 manufactured by Kensei Kogyo Co., Ltd.). Then, the area of each sample is measured, and the mass per unit area is calculated and compared.
  • a direct balance for example, an electronic balance HF-300 manufactured by Kensei Kogyo Co., Ltd.
  • the folding guide portion 13 is provided in the crotch region 1A of the napkin 1. Therefore, when the crotch part 1A of the napkin is sandwiched between the wearer's thighs when worn, and the crotch tightening force toward the inside in the width direction acts, the crotch part 1A is long so that the center part in the width direction protrudes to the skin side. Bend along the direction. As shown in the cross section of FIG. 5, the central portion in the width direction of the crotch region 1 ⁇ / b> A is deformed into a mountain shape that is convex toward the skin side, and is easily in close contact with the wearer's excretion opening (vagina opening).
  • the napkin 1 of the present embodiment is thick, compared to a thin type, the crotch tightening force is absorbed by the absorbent core 11 and is difficult to be transmitted, or the absorbent core 11 collides with the inside of the mountain. Or Therefore, the bending at the folding guide portion 13 becomes gradual simply by providing the folding guide portion 13. If it does so, it is difficult to obtain the height which the napkin 1 adheres to a wearer's excretion opening.
  • a pair of 1st linear pressing parts 24 are distribute
  • a pair of second linear pressing parts 25 are arranged.
  • the density of the absorbent core 11 sandwiched between the first linear pressing part 24 and the second linear pressing part 25 increases, and the rigidity of the side part in the width direction of the crotch region 1A increases. Therefore, the side portion can be prevented from being crushed by the crotch tightening force, and the crotch tightening force is easily transmitted to the folding guide portion 13.
  • the napkin 1 is bent from the pair of first linear compressed parts 24 by the crotch tightening force, and the pair of first linear compressed parts 24 tries to approach, so the center of the crotch region 1A in the width direction The part is pushed up to the skin side while being bent by the folding guide part 13. Therefore, the bend of the napkin 1 at the folding guide portion 13 is stable and abrupt.
  • the 1st linear pressing part 24 is distribute
  • the bottom of the mountain (L3 in FIG. 5) is shortened, and the bend of the napkin 1 at the folding guide portion 13 becomes steeper. Therefore, the center part of the crotch part 1A in the width direction protrudes high toward the skin side, and is more easily adhered to the wearer's excretion opening.
  • the napkin 1 of the present embodiment has the first linear pressing portion. There are 24. Therefore, when the underwear to which the napkin 1 is fixed is pulled up and the rubber around the leg of the underwear comes into close contact with the base of the wearer's leg and the crotch force acts, as shown in FIG. 5, the width direction of the crotch region 1A The side part of the first part folds from the first linear pressing part 24 and rises to the skin side.
  • the side part in the width direction of the crotch region 1A rises into a planar shape, wraps around the wearer's labia and can adhere to the base of the wearer's leg.
  • the napkin 1 since the napkin 1 has good fit, it is hard to leak and is comfortable to wear.
  • the end 11a of the width direction of the 1st linear pressing part 24 or the absorptive core 11 may be curving or inclining.
  • the 1st linear pressing part 24 should just be distribute
  • the 1st linear pressing part 24 has a width
  • the crotch part of the target napkin is cut in the width direction, and the positions of the end 11a and the center 11b of the absorbent core 11 in the width direction are specified in the cross section.
  • the inner end 24a in the width direction of the first linear squeezing portion 24 only needs to be located inside the intermediate position between the two points (11a, 11b).
  • the length (L1 of FIG. 2) from the center 11b of the absorptive core 11 to the inner end 24a of the width direction of the 1st linear pressing part 24 is the inner end 24a of the width direction of the 1st linear pressing part 24.
  • To the end 11a of the absorbent core 11 (L2 in FIG. 2) may be longer.
  • the end 11 a of the absorbent core 11 is more than the center 11 b of the absorbent core 11 in the width direction. (L4> L5).
  • the above relationship is established in a cross section at the center CL1 in the longitudinal direction of the crotch region 1A.
  • the rigidity increases to a position close to the end 11a of the absorbent core 11 at the side portion in the width direction of the crotch region 1A, and the collapse due to the crotch tightening force can be prevented. Therefore, the side portion in the width direction of the crotch region 1A rises in a planar shape as shown in FIG. 5 and wraps around the wearer's labia and can be in close contact with the base of the wearer's leg.
  • the 2nd linear pressing part 25 has a width
  • the thick napkin 1 delamination of the absorbent core 11 that has absorbed the excretory fluid is likely to occur, but delamination is prevented by the first linear pressing portion 24 and the second linear pressing portion 25, and the absorbent body 10 kinks can be prevented.
  • derivation part 13 is formed in the pressing part (henceforth, folding induction pressing part 131)
  • the delamination of the absorptive core 11 can also be prevented by the folding induction pressing part 131.
  • the folding induction squeezing part 131 having a high density of the absorbent core 11 makes it easy for the excretory liquid to be drawn into the absorbent core 11 and to diffuse in the longitudinal direction. Therefore, the excretory liquid hardly remains on the skin side surface of the napkin 1, and the wearing comfort is improved.
  • the folding induction pressing part 131 is compressed from the non-skin side, and the depth L6 of the deepest part 131a is a thickness L7 from the deepest part 131a to the skin side surface 11c of the absorbent core 11. Is preferably larger. That is, it is preferable that the deepest part 131a of the folding induction pressing part 131 is located on the skin side with respect to the center CL2 in the thickness direction of the part of the adjacent absorbent core 11.
  • the central portion in the width direction of the crotch region 1A is easily bent so as to protrude toward the skin side, and is easily adhered to the wearer's excretion opening.
  • the depth L6 and the thickness L7 may be compared by a known method.
  • the cross section of the crotch region 1A cut in the width direction may be compared based on an image obtained by enlarging and photographing with an electron microscope.
  • the 1st linear pressing part 24 is squeezed from the skin side.
  • the side part of the crotch part 1A in the width direction can easily bend to the skin side starting from the first linear compressed part 24.
  • the density of the absorbent core 11 in the fold induction compressing portion 131 is 0.1 g / cm 3 or more 0.2 g / cm 3 or less.
  • the density of the absorbent core 11 is 0.1 g / cm 3 or more, the excretory fluid is easily drawn into the absorbent core 11 and easily diffuses in the longitudinal direction.
  • the density of the absorbent core 11 is 0.2 g / cm 3 or less, it is possible to prevent the folding guide portion 13 from becoming too hard and lowering the wearing comfort.
  • the absorptive core 11 located in the folding induction part 13 is cut out from the napkin 1 as a sample.
  • the basic weight of a sample is measured with the measuring method of basic weight mentioned above
  • the thickness of a sample is measured with the measuring method of thickness mentioned above
  • the basic weight (g / cm ⁇ 2 >) of a sample is the thickness of a sample.
  • the density is calculated by dividing by (cm).
  • the first linear pressing portion 24 and the second linear pressing portion 25 is curved so as to be convex in the width direction.
  • the 2nd linear pressing part 25 site
  • the distance in the width direction between the end portion and the second linear compressed portion 25 is narrower than the central portion of the first linear compressed portion 24 in the longitudinal direction ( L8> L9).
  • region (hatched area
  • the side portions in the width direction are easy to maintain the surface shape.
  • the curved 2nd linear pressing part 25 has length in a longitudinal direction and also has a length in the width direction, it can be said from this that the rigidity of the width direction increases.
  • the side portion in the width direction is not easily crushed by the crotch tightening force, the side portion in the width direction rises in a planar shape, the crotch tightening force is transmitted to the folding guide portion 13, and the napkin 1 has a W-shape with good fit. Deform.
  • the front end 1B and the rear end 1C of the napkin 1 are separated from the base of the wearer's legs. Therefore, at the front end portion 1B and the rear end portion 1C, it is preferable that the rising of the side portions in the width direction is suppressed and the surface shape along the lower abdomen and the heel of the wearer is maintained. Therefore, it is good to curve so that the 2nd linear pressing part 25 may become convex on the outer side of the width direction. Then, as shown in FIG. 4, the distance in the width direction between the second linear compressed portion 25 and the end 11 a of the absorbent core 11 increases from the central portion in the longitudinal direction of the second linear compressed portion 25 toward the outside. Gradually increases (L10 ⁇ L11).
  • the rigidity of the side part in the width direction is increased to a position close to the end 11a of the absorbent core 11 at the position of the center part in the longitudinal direction of the second linear pressing part 25, and the side part in the width direction is firmly secured. stand up.
  • the rigidity of the position near the end 11a of the absorbent core 11 is reduced from the central portion in the longitudinal direction of the second linear compressed portion 25, and the rise of the side portion in the width direction is suppressed. Therefore, the rising of the side part in the width direction is suppressed from the crotch part 1A where the second linear pressing part 25 is arranged toward the outside in the longitudinal direction, and the front end part 1B and the rear end part 1C maintain the surface shape. Easy to fit and good fit.
  • the pressing part which has predetermined length in the width direction in the both ends of the crotch part 1A in a longitudinal direction, or its vicinity.
  • a part of the linear compressed portions 26 of the inner annular compressed portion group 22 extends in the width direction and has a length.
  • the bending at the folding guide portion 13 is suppressed by the linear pressing portion 26, and the front end portion 1B and the rear end portion 1C can easily maintain the surface shape.
  • delamination of the absorptive core 11 can be suppressed over the wide range of the width direction.
  • FIG. 6 is a schematic plan view of the napkin 1 according to the second embodiment.
  • the shape of a linear pressing part mainly differs.
  • the fold induction part 13 is arranged in the crotch region 1A, the pair of first linear pressing parts 24 are arranged on both sides in the width direction of the fold induction part 13, and each first The 2nd linear pressing part 25 is distribute
  • the 2nd linear pressing part 25 is a part of cyclic
  • the 1st linear pressing part 24 is distribute
  • the crotch force is likely to act strongly at the center in the longitudinal direction of the first linear compressed portion 24, and the crotch force is strong at the center in the longitudinal direction of the crotch region 1A where the first linear compressed portion 24 is disposed.
  • Easy to act. Therefore, the crotch tightening force is more easily transmitted to the portion that comes into contact with the wearer's excretion port, and the portion protrudes higher toward the skin side, and is easily adhered to the wearer's excretion port.
  • the 2nd linear pressing part 25 is curving so that it may become convex on the outer side of the width direction. Therefore, the rising of the side part in the width direction is suppressed from the crotch part 1A where the second linear pressing part 25 is arranged toward the outside in the longitudinal direction. Therefore, the front end portion 1B and the rear end portion 1C can easily maintain the surface shape, and can easily fit the wearer's lower abdomen and buttocks.
  • the 1st linear pressing 24 and the 2nd linear pressing part 25 are curving on the opposite side. Therefore, compared with the center part of the 1st linear pressing part 24 in a longitudinal direction, the direction of an end is narrow in the width direction with the 2nd pressing part 25, and the side part of the width direction has a surface shape. Easy to maintain. In particular, since the first linear pressing portion 24 and the second linear pressing portion 25 are continuous and the closed region A is formed, the side portions in the width direction can more easily maintain the surface shape. Yes.
  • the side portion in the width direction is not easily crushed by the crotch tightening force, the side portion in the width direction rises in a planar shape, the crotch tightening force is transmitted to the folding guide portion 13, and the napkin 1 has a W shape with good fit. Deform.
  • 1 napkin (absorbent article), 1A crotch region, 1B front end, 1C rear end, 2 Wing part, 3 Top sheet, 4 Back sheet, 10 absorbent body, 11 absorbent core, 12 core wrap sheet, 13 Folding induction part, 131 Folding induction pressing part (3rd pressing part), 131a deepest part, 14 notch part 20 linear pressing part, 21 outer side annular pressing part group, 22 inner side annular pressing part group, 24 1st linear pressing part (1st pressing part), 25 2nd linear pressing part (2nd pressing part),

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)

Abstract

La présente invention concerne un article absorbant (1) qui comprend, dans au moins une partie de sa région d'entrejambe, une partie de guidage de pliage longitudinale (13) qui est plus épaisse que les régions des deux côtés extérieurs dans une direction longitudinale et qui guide la formation de la saillie et le pliage vers un côté en contact avec la peau au centre dans le sens de la largeur d'un noyau absorbant (11). Une paire de premières parties de compression (24) le long de la direction longitudinale sont agencées des deux côtés dans le sens de la largeur, une paire de secondes parties de compression (25) le long de la direction longitudinale sont agencées vers l'extérieur dans le sens de la largeur, et les premières parties de compression (24) sont agencées au niveau de positions plus proches du centre du noyau absorbant (11) que des extrémités du noyau absorbant (11) dans le sens de la largeur, dans une section transversale obtenue par la découpe de la région d'entrejambe dans le sens de la largeur.
PCT/JP2016/089094 2016-12-28 2016-12-28 Article absorbant WO2018123016A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2016/089094 WO2018123016A1 (fr) 2016-12-28 2016-12-28 Article absorbant
JP2017565875A JP6749349B2 (ja) 2016-12-28 2016-12-28 吸収性物品

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/089094 WO2018123016A1 (fr) 2016-12-28 2016-12-28 Article absorbant

Publications (1)

Publication Number Publication Date
WO2018123016A1 true WO2018123016A1 (fr) 2018-07-05

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JP (1) JP6749349B2 (fr)
WO (1) WO2018123016A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020092857A (ja) * 2018-12-13 2020-06-18 花王株式会社 吸収体及び吸収性物品
JP2020124313A (ja) * 2019-02-04 2020-08-20 ユニ・チャーム株式会社 吸収性物品
JP2020188917A (ja) * 2019-05-21 2020-11-26 花王株式会社 吸収性物品
WO2022224479A1 (fr) * 2021-04-20 2022-10-27 ユニ・チャーム株式会社 Article absorbant
WO2023233775A1 (fr) * 2022-05-31 2023-12-07 大王製紙株式会社 Article absorbant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004181085A (ja) * 2002-12-05 2004-07-02 Uni Charm Corp 縦長の吸収性物品
JP2007050137A (ja) * 2005-08-18 2007-03-01 Uni Charm Corp 生理用ナプキン包装体
JP2008125917A (ja) * 2006-11-22 2008-06-05 Uni Charm Corp 吸収性物品及びその製造方法
JP2009131417A (ja) * 2007-11-29 2009-06-18 Kao Corp 吸収性物品及びこの製造方法
JP2012050497A (ja) * 2010-08-31 2012-03-15 Daio Paper Corp 吸収性物品
JP2012120792A (ja) * 2010-12-10 2012-06-28 Daio Paper Corp 吸収性物品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004181085A (ja) * 2002-12-05 2004-07-02 Uni Charm Corp 縦長の吸収性物品
JP2007050137A (ja) * 2005-08-18 2007-03-01 Uni Charm Corp 生理用ナプキン包装体
JP2008125917A (ja) * 2006-11-22 2008-06-05 Uni Charm Corp 吸収性物品及びその製造方法
JP2009131417A (ja) * 2007-11-29 2009-06-18 Kao Corp 吸収性物品及びこの製造方法
JP2012050497A (ja) * 2010-08-31 2012-03-15 Daio Paper Corp 吸収性物品
JP2012120792A (ja) * 2010-12-10 2012-06-28 Daio Paper Corp 吸収性物品

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020092857A (ja) * 2018-12-13 2020-06-18 花王株式会社 吸収体及び吸収性物品
WO2020122160A1 (fr) * 2018-12-13 2020-06-18 花王株式会社 Absorbeur et article absorbant
JP2020124313A (ja) * 2019-02-04 2020-08-20 ユニ・チャーム株式会社 吸収性物品
JP7065049B2 (ja) 2019-02-04 2022-05-11 ユニ・チャーム株式会社 吸収性物品
JP2020188917A (ja) * 2019-05-21 2020-11-26 花王株式会社 吸収性物品
JP7260396B2 (ja) 2019-05-21 2023-04-18 花王株式会社 吸収性物品
WO2022224479A1 (fr) * 2021-04-20 2022-10-27 ユニ・チャーム株式会社 Article absorbant
WO2023233775A1 (fr) * 2022-05-31 2023-12-07 大王製紙株式会社 Article absorbant

Also Published As

Publication number Publication date
JP6749349B2 (ja) 2020-09-02
JPWO2018123016A1 (ja) 2019-10-31

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