WO2014196379A1 - 使い捨ておむつ - Google Patents
使い捨ておむつ Download PDFInfo
- Publication number
- WO2014196379A1 WO2014196379A1 PCT/JP2014/063680 JP2014063680W WO2014196379A1 WO 2014196379 A1 WO2014196379 A1 WO 2014196379A1 JP 2014063680 W JP2014063680 W JP 2014063680W WO 2014196379 A1 WO2014196379 A1 WO 2014196379A1
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- WIPO (PCT)
- Prior art keywords
- disposable diaper
- region
- sheet
- backsheet
- product
- Prior art date
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Classifications
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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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
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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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51484—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being inhomogeneous in the plane of the sheet, i.e. having zones of different properties or structures
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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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
- A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
- A61F2013/51421—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours only in special places
Definitions
- the present invention relates to a disposable diaper.
- Patent Document 1 discloses a tape-type diaper, an absorber, a back sheet disposed on the non-skin contact surface side of the absorber, and a cover disposed on the non-skin contact surface side of the back sheet.
- a diaper having a sheet is disclosed.
- the back sheet is made of a liquid-impermeable film
- the cover sheet is made of a nonwoven fabric (see, for example, Patent Document 1, FIG. 2, paragraph 0024, and paragraph 0038).
- a liquid-impermeable back sheet is disposed from the front end to the rear end of the disposable diaper. Therefore, even if it is a case where a bodily fluid leaks from an absorber, the leak of the bodily fluid to the outer surface of a disposable diaper is suppressed with a back seat
- the disposable diaper described above has the following problems.
- the wearing assistant generally fixes the fastening tape to the front waist area at a position where the disposable diaper fits around the waist of the wearer.
- the waist size of the wearer is not always constant and may be increased by the wearer's eating and drinking. Therefore, when the waist size of the wearer is increased, the disposable diaper is too close to the body, and the wearing feeling may be deteriorated.
- the tape type disposable diaper which can cover a wearer's waist circumference appropriately according to the change of the wearer's waist dimension is provided.
- the purpose is to provide.
- a disposable diaper according to the present disclosure includes a front waistline region (front waistline region 20), a rear waistline region (rear waistline region 30), and a product longitudinal direction from the front waistline region to the rear waistline region ( In the product longitudinal direction L), the crotch region (inseam region 25) located between the front waistline region and the back waistline region, straddling the crotch region, and at least one of the front waistline region and the rear waistline region
- An extended absorbent body (absorber 40) and an outer end portion in the product width direction (product width direction W) of the rear waistline region, which is a direction orthogonal to the product longitudinal direction, are fixed to the front waistline region.
- a disposable diaper having a pair of fastening tapes (fastening tape 90) and a liquid-impermeable back sheet (back sheet 60a) disposed on the non-skin contact surface side of the absorber,
- the disposable diaper is located in a plan view in a backsheet arrangement area (backsheet arrangement area R1) in which the backsheet is arranged, and on the outer side in the product longitudinal direction from the backsheet arrangement area.
- a non-arranged backsheet non-arrangement area (backsheet non-arrangement area R2), and the backsheet non-arrangement area includes a front end of the disposable diaper (front end 10F of the disposable diaper) and the disposable It is arrange
- the waist circumference of the wearer can be appropriately covered in accordance with the change in the size of the wearer's waist circumference.
- FIG. 2 is a cross-sectional view of the disposable diaper along the line F1-F1 shown in FIG.
- FIG. 2 is a cross-sectional view of the disposable diaper along the line F2-F2 shown in FIG. It is an expansion
- FIG. 1 and 2 are developed plan views of the disposable diaper 10 according to the present embodiment.
- FIG. 3 is a sectional view of the disposable diaper 10 taken along line F1-F1 shown in FIG. 4 is a cross-sectional view of the disposable diaper 10 taken along line F2-F2 shown in FIG.
- the elastic members 81 of the leg stretchable part 75 and the leg side gathers 80 are extended until the top sheet 50, the side flap 70, etc. constituting the disposable diaper are not formed. It is a figure of a state.
- the disposable diaper 10 is a tape-type disposable diaper.
- the tape type diaper means that the outer end of the front waistline in the product width direction and the outer end of the rear waistline in the product width direction are not joined before use, and fastening tape etc. is used during use.
- the disposable diaper 10 has a front waistline region 20, a crotch region 25, and a back waistline region 30.
- the front waistline region 20 is a portion in contact with the wearer's front waistline portion (abdomen portion).
- the back waistline area 30 is a part which contacts a wearer's back waistline part (back part).
- the crotch region 25 is located between the front waistline region 20 and the rear waistline region 30.
- the disposable diaper 10 includes an absorber 40 that straddles the crotch region 25 and extends from the crotch region 25 toward at least one of the front waistline region 20 and the rear waistline region 30.
- the absorber 40 is comprised by the absorptive core 40a and the core wrap 40b.
- the absorbent core 40a is the same as the absorbent core of a conventional disposable diaper, and can be appropriately configured using a known member or material such as pulverized pulp or a superabsorbent polymer.
- the absorbent core 40a is wrapped with a sheet-like core wrap 40b.
- the core wrap 40b is a sheet that covers the absorbent core 40a. At least a part on the skin surface side of the core wrap 40b is constituted by various fiber nonwoven fabrics or tissue sheets having liquid permeability. For example, the mass of about 10g / m 2 ⁇ 30g / m 2 of air-through fibrous nonwoven fabric, spunbonded nonwoven fabric, SMS (spunbond - meltblown - spunbonded) nonwoven or mass of about 10g / m 2 ⁇ 30g / m 2 tissue sheet, Can be used.
- a liquid-impermeable polyethylene film having a basis weight of 10 g / m 2 to 30 g / m 2 can be used.
- a material for the exterior sheet a spunbond nonwoven fabric, a through-air nonwoven fabric, a point bond nonwoven fabric, or the like made of polyethylene / polypropylene fibers having a basis weight of 10 g / m 2 to 35 g / m 2 can be used.
- the elongation rate of the back sheet can be made lower than the elongation rates of other sheet materials (the exterior sheet 60, the top sheet 50, and the side flaps 70) constituting the disposable diaper.
- the disposable diaper is located in the backsheet arrangement region R1 in which the backsheet is arranged and the product sheet longitudinal direction outside (front side or rear side) of the backsheet arrangement region in the plan view of the developed plan view shown in FIGS. And a backsheet non-arrangement region R2 in which the backsheet is not arranged.
- FIG. 2 shows the backsheet arrangement area R1 and the backsheet non-arrangement area R2 with different oblique lines in the backsheet arrangement area R1 and the backsheet non-arrangement area R2.
- the backsheet non-arrangement region R2 is disposed at the front end 10F of the disposable diaper and the rear end 10R of the disposable diaper.
- region R2 is arrange
- region R2 is arrange
- region R2 may be arrange
- region R2 may be arrange
- the expansion rate of the backsheet non-arrangement area is higher than that of the backsheet arrangement area.
- the elongation ratio of the backsheet arrangement region is preferably 1.01 times to 1.12 times.
- the elongation ratio of the backsheet non-arrangement region is preferably 1.14 times to 1.35 times.
- the expansion ratio of the backsheet arrangement area and the expansion ratio of the backsheet non-arrangement area mean the degree of expansion of the backsheet arrangement area and the degree of expansion of the backsheet non-arrangement area, and are defined as follows. .
- Stretch rate of backsheet placement area (length of backsheet placement area after stretching) ⁇ (length of backsheet placement area before stretching)
- Elongation ratio of backsheet non-arrangement area (length of backsheet non-arrangement area after expansion) ⁇ (length of backsheet non-arrangement area before expansion)
- the elongation rate of the backsheet arrangement area and the elongation ratio of the backsheet non-arrangement area are measured, for example, as follows.
- the disposable diaper 10 is taken out from the package.
- the length of each sample before stretching Measure Specifically, a mark (position corresponding to the distance between the clips) between a pair of clips described later is marked, and the distance between the marks is measured. This distance is defined as “the length of the backsheet arrangement area before extension” and “the length of the backsheet non-arrangement area before extension”.
- a sample of the backsheet placement region R1 where the backsheet is placed is cut out. At this time, it cuts out also including the exterior sheet joined to a back sheet. Further, a sample of the backsheet non-arrangement region R21 that has no backsheet and is located on the front side or the rear side of the backsheet arrangement region is cut out. Specifically, the exterior sheet, the top sheet, and the side flap 70 are cut out, or the exterior sheet and the top sheet are cut out.
- the length (width) in the short direction of the sample is 25 mm, and the length in the longitudinal direction of the sample is greater than or equal to the length that can be sandwiched by clips described later. Specifically, the length of the sample in the longitudinal direction is 95 mm or more. In the region where the waist stretchable part is disposed, the waist stretchable part is also cut out.
- the elongation percentage is measured by calculating with the above formula.
- the “length” in this specification is measured by using a spring measure (tape: glass fiber-containing polyvinyl chloride coating) manufactured by Shinwa Measurement Co., Ltd. so as to be along the region to be measured. Ten samples are subjected to the above-described measurement in each state, and the average value is defined as the length as the above-described measurement result.
- Side flaps 70 are respectively provided on both side edges of the absorbent body 40 in the product width direction W.
- the side flaps 70 straddle the front waistline region 20, the crotch region 25, and the rear waistline region 30, and are disposed outside the absorbent body 40 in the product width direction.
- the side flap 70 is configured by one or a plurality of non-woven fabrics.
- a pair of leg openings 35 are formed in the side flap 70 of the disposable diaper 10.
- the leg opening 35 is provided at each of both end portions in the product width direction of the disposable diaper, and is a portion that is disposed around the leg of the wearer while the disposable diaper is worn by the wearer. .
- the leg opening 35 is recessed toward the center in the product width direction of the absorbent main body.
- a fastening tape 90 is provided on each of the pair of side flaps 70.
- the fastening tape 90 extends along the product width direction W in the rear waistline region 30, and is fastened to the non-skin contact surface of the front waistline region 20, thereby bringing the disposable diaper 10 into close contact with the wearer's body.
- the target portion 95 is disposed on the non-skin contact surface in the front waistline region, and is configured such that the pair of fastening tapes 90 are fixed to each other.
- the front waistline region 20, the rear waistline region 30, and the fastening tape 90 constitute a waistline holding portion.
- the waistline holding portion of the rear waistline region 30 is a portion extending in the product width direction from the region where the engaging portion of the fastening tape 90 is provided.
- the waistline holding portion of the front waistline region 20 is a portion extending in the product width direction from the region where the target portion 95 is provided.
- the side flap 70 is provided with a pair of leg stretchable parts 75 that are disposed on the inner side in the product width direction than the leg opening 35 and can be stretched in the product longitudinal direction L.
- the leg expansion / contraction part 75 should just be comprised so that the leg opening part 35 can be expanded-contracted in a product longitudinal direction, may be arrange
- an auxiliary stretchable part 77 that is disposed across the crotch region 25 and the rear waistline region 30 and that stretches in the product longitudinal direction is disposed.
- the leg stretchable part 75 and the auxiliary stretchable part 77 are both disposed between the back sheet 60 a and the exterior sheet 60.
- leg stretchable part 75 and the auxiliary stretchable part 77 are parts that substantially shrink in the longitudinal direction of the product by thread rubber or the like, and are a concept that excludes a part where the elastic member is disposed in a state where the shrinkage force is not exerted.
- the leg expansion / contraction part 75 is arrange
- the leg stretchable part 75 is located on the inner side in the product width direction than the center point O2 in the product width direction between the inner end portion 35I in the product width direction of the leg opening 35 and the outer end portion 40T in the product width direction of the absorber 40.
- the elastic member according to the present embodiment is made of polyurethane elastic fiber or natural rubber.
- the auxiliary expansion / contraction part 77 is configured by a predetermined number of elastic members (in the example of FIG. 1, one elastic member).
- the elastic member according to the present embodiment is made of polyurethane elastic fiber or natural rubber. Since the whole area
- the product longitudinal direction center O3 of the leg stretchable part 75 is located in front of the product longitudinal direction center O1 of the disposable diaper in the extended state of the disposable diaper.
- the center O4 in the product longitudinal direction of the leg opening 35 is located in front of the center O1 in the product longitudinal direction of the disposable diaper.
- the front end 77F of the auxiliary expansion / contraction part 77 is arranged on the rear side of the front end 75F of the leg expansion / contraction part 75. Therefore, the region behind the front end portion 75F of the leg expansion / contraction portion 75 contracts by the auxiliary expansion / contraction portion 77.
- the rear side end 77R of the auxiliary elastic part 77 is arranged on the rear side of the rear side end part of the leg elastic part. Therefore, the area behind the leg expansion / contraction part 75 contracts by the auxiliary expansion / contraction part 77.
- a frill-like contraction part contracted by the leg extension part 75 and the auxiliary extension part 77 is formed.
- the leg stretchable part 75 and the auxiliary stretchable part 77 can bring the frill-like shrinkage part into close contact with the body.
- the distance between the inner end portion 35I located at the innermost side in the product width direction and the leg stretchable portion in the leg opening is shorter than the distance between the leg stretchable portion and the auxiliary stretchable portion. Therefore, it is possible to suppress the inner end portion of the leg opening from being caught by the leg stretchable portion.
- the auxiliary stretchable part from the crotch part to the rear waistline region, it becomes easy to maintain the shape in which the entire area where the auxiliary stretchable part of the side flap is placed is widened.
- the frill formed by the leg elastic part 75 and the auxiliary elastic part 77 expands and contracts in the product longitudinal direction, the frills (wrinkles) extend along the product width direction.
- This frill (wrinkle) can be a support, and the product width direction end of the rear waistline region can be prevented from being caught inside the product width direction.
- the elongation ratio of the leg stretchable part 75 is preferably 1.7 times to 2.4 times. In the present embodiment, the expansion ratio of the leg stretchable part 75 is set to 1.9 times to 2.2 times.
- the elongation rate means the degree of elongation of the leg stretchable part, and is defined as follows.
- Stretch rate of leg stretchable part (length of stretchable leg stretched part) ⁇ (length of leg stretchable part in natural state)
- the extension rate of the auxiliary stretchable part 77 is preferably 1.6 to 2.4 times.
- the extension rate of the auxiliary stretchable part 77 means the degree of extension of the auxiliary stretchable part, and is defined as follows.
- Elongation ratio of auxiliary expansion / contraction part (length of auxiliary expansion / contraction part in the extended state) ⁇ (length of auxiliary expansion / contraction part in the natural state)
- the extension rate of the leg stretchable part and the extension rate of the auxiliary stretchable part are measured as follows.
- the disposable diaper 10 is enclosed in a package or the like, the disposable diaper 10 is taken out from the package. Subsequently, the arrangement
- each sample is left for 60 minutes in an atmosphere of 20 ° C. ⁇ 2 ° C. and a relative humidity of 60% ⁇ 5% RH. Then, the length of a leg expansion-contraction part is measured along an expansion / contraction direction. This length is defined as “the length of the leg expansion / contraction part in the natural state”.
- the length of the desired region in the stretch direction in such a state ie, the natural state
- the length of the desired region in the direction of expansion and contraction is measured. This length is defined as “the length of the leg stretchable part in the extended state” or “the length of the auxiliary stretchable part in the extended state”.
- the elongation percentage is measured by calculating with the above formula.
- a leg side gather 80 as a pair of side gathers extending along the product longitudinal direction L is provided inside the pair of leg stretchable portions 75 (near the center in the product width direction W).
- the leg side gathers 80 are provided at the inner end of the side flap 70 in the product width direction, and are erecting expansion and contraction gathers arranged on the inner side in the product width direction than the leg expansion / contraction part 75.
- the leg side gathers 80 are arranged on the inner side in the product width direction than the leg stretchable parts 75.
- the pair of leg side gathers are spaced apart in the product width direction.
- the leg side gather 80 includes a side flap 70 as a side seat and an elastic member 81 as a stretchable member.
- the side flap 70 is folded starting from a fold along the product longitudinal direction.
- the elastic member 81 is disposed in an expanded state between the folded side sheet portions, and expands and contracts in the product longitudinal direction.
- the side flap 70 is arrange
- the side gathers are provided not in the entire region in the product longitudinal direction of the side flap 70 but in a part of the region including the center in the product longitudinal direction.
- the leg side gather 80 can adopt a conventionally well-known configuration, and specifically, may be configured by a sheet material different from the side flap 70.
- a waist stretchable portion 85 that can be stretched in the product width direction is provided.
- the waist elastic part 85 contracts in the product width direction between the fastening tapes.
- the waist elastic part 85 is constituted by an elastic sheet.
- the member constituting the waist elastic part 85 is not particularly limited, but it is preferable to use a member that is as thin as possible, has low bending rigidity, and has a small width entering rate.
- the waist stretchable portion 85 can easily bend along the body, and the waist stretchable portion 85 is placed along the body without applying a load to the wearer's body. Can be fitted.
- the waist stretchable portion 85 with a material having a small width, the contraction of the disposable diaper in the product longitudinal direction when the disposable diaper extends in the product width direction is suppressed, and the disposable diaper is placed around the wearer's waist Can be prevented from being pulled down to the crotch side.
- a stretchable film having a basis weight of 20 g / m 2 to 45 g / m 2 is used as the waist stretchable portion 85.
- the waist stretchable portion 85 is stretched by 1.5 to 2.5 times the length in the non-stretched state (natural state), and then adhered to the exterior sheet 60 by a hot melt adhesive or heat treatment.
- the waist elastic part 85 is disposed between the exterior sheet 60 and the back sheet 60a.
- the waist stretchable portion 85 is disposed between the core wrap 40b and the back sheet 60a or the exterior sheet 60. It may be.
- the position of the waist elastic part is not particularly limited. Moreover, in the area
- the waist stretchable part according to the present embodiment is configured to stretch in the product width direction
- the waist stretchable part may be configured to stretch in the product width direction and the product longitudinal direction.
- the waist stretchable portion 85 is disposed across the back seat arrangement region R1 and the back seat non-location region R2 in the rear waist region 30.
- FIG. 2 shows the stretchable sheet placement region R3 by hatching the stretchable sheet placement region R3 where the waistline stretchable portion 85 is placed.
- the extension rate of the stretchable sheet placement region R3 in the backsheet non-placement region R2 is higher than the stretch rate of regions other than the stretchable sheet placement region R3 in the backsheet non-placement region R2.
- the expansion ratio of the stretchable sheet arrangement region R3 is set to 1.15 times to 1.3 times.
- the stretch rate of the stretchable sheet placement area means the degree of stretch of the stretchable sheet placement area and is defined as follows.
- Expansion rate of stretchable sheet placement area (length of stretched sheet placement area in the stretched state) ⁇ (length of stretchable sheet placement area in the natural state)
- region R3 can be measured with the measuring method similar to the expansion
- Fastening tape 90 is attached to the region of side flap 70 corresponding to rear waistline region 30.
- the fastening tape 90 includes a base sheet 91 connected to the side flap 70 and a plurality of engaging members (not shown) that are members that engage with the front waistline region, and are hooks fixed to the base sheet 91.
- the hook sheet 92 constitutes an engaging portion provided with an engaging member.
- the waistline holding portion in the above-described rear waistline region is an area extending from the hook sheet 92 in the product width direction.
- the hook sheet 92 is fixed to the base sheet 91, specifically, bonded.
- the hook sheet 92 and the base sheet 91 are preferably joined so that the fastening tape 90 does not have an unnecessarily high rigidity.
- it is preferable that the hook sheet 92 and the base sheet 91 are joined by a hot melt adhesive applied intermittently such as a dot shape, a line shape, or a spiral shape.
- the hook sheet 92 and the base sheet 91 may be joined by heat sealing or the like.
- the base sheet 91 is composed of one or more non-woven fabrics.
- a nonwoven fabric manufactured by a manufacturing method such as spunbond (SB) or spunbond-meltblown-spunbond (SMS) can be used.
- the basis weight of the nonwoven fabric constituting the base sheet 91 (the total basis weight in the case of a plurality of sheets) is 30 g / m 2 to 120 g / m 2 , preferably 40 g / m 2 to 90 g / m 2 .
- the target part 95 is provided on the surface on the non-skin contact side of the exterior sheet 60 in the front waistline region.
- the target portion 95 is configured so that the engaging member of the fastening tape is hooked, and functions as a loop of a locking system including a hook and a loop.
- the target portion for example, an air-through nonwoven fabric can be used.
- a fiber nonwoven fabric made of a polyolefin-based thermoplastic synthetic resin fiber or a polyolefin-based thermoplastic synthetic resin film can be used.
- the loop attached to the target portion can be formed of a polyolefin-based thermoplastic synthetic resin.
- a bulky nonwoven fabric that is embossed with a part thereof and prevented from fluffing on the nonwoven fabric surface may be used.
- the exterior sheet 60 of the disposable diaper is formed of a non-woven fabric, and a pattern indicating the attachment position of the fastening tape 90 is printed on the back sheet 60a or the non-skin contact side surface of the exterior sheet 60, or the pattern sheet is printed on the back sheet. It can also be set as a target part by arrange
- the area of the region between the rear leg opening 35R and the straight line L1 passing through the center in the product width direction and parallel to the product longitudinal direction is the product length passing through the front leg opening 35F and the center in the product width direction. It is wider than the area between the straight line L1 parallel to the direction. Therefore, since the side flap located on the rear side of the product longitudinal direction center of the leg opening extends to the outside in the product width direction than the side flap located on the front side of the product longitudinal direction center of the leg opening, The area that can cover the body is large.
- the straight line L1 passing through the center in the product width direction and parallel to the product longitudinal direction is a straight line L1 passing through the center in the product width direction of the disposable diaper and parallel to the product longitudinal direction.
- the said area is an area in the expansion
- the wearer's body is not symmetric in the front-rear direction and has a larger surface area on the back side than on the abdominal side. This is because there is a buttock on the outside on the back side of the wearer.
- the product longitudinal center O4 of the leg opening 35 is likely to be a position corresponding to the product longitudinal center of the wearer's crotch.
- the area of the region between the rear leg opening located behind the product longitudinal center of the leg opening and a straight line passing through the center in the product width direction and parallel to the product longitudinal direction is defined as the first area.
- the area of the region between the front leg opening located forward of the product longitudinal direction center of the leg opening and the straight line passing through the center in the product width direction and parallel to the product longitudinal direction is defined as the second area.
- the first area is the same as the second area or the first area is smaller than the second area.
- the disposable diaper cannot be disposed so as to cover the body that is asymmetrical in the front-rear direction. Therefore, a disposable diaper will be in the state stretched in the part of a wearer's back
- the position in the product width direction of the side flap 70 located behind the center O4 in the product longitudinal direction of the leg opening and the side flap 70 located in front of the center O4 in the product longitudinal direction of the leg opening Suppose that is substantially the same.
- the leg opening 35 is stretched at the position on the back side of the wearer, the leg opening 35 on the rear waistline side is turned up in the attached state, and the buttocks of the wearer are exposed. There is.
- the product width direction edge part of a back waist area may be wound inside at the time of mounting
- a disposable diaper can be arrange
- the rear leg opening 35R a plurality of convex portions 36 that are convex outward in the product width direction are formed.
- the convex portion 36 is a portion protruding outward in the product width direction from the front and rear regions of the leg opening.
- the leg opening 35 is a portion that hits the wearer's leg and is a portion that easily enters the inside of the disposable diaper 10. Therefore, it is preferable that the leg opening 35 covers the body more widely, and it is particularly desirable that the rear leg opening 35R be disposed so as to cover the body widely.
- the convex portion 36 is formed so that the pressure on the skin can be more dispersed. Is preferred. Specifically, at a position close to the proximal end of the fastening tape 90, stress is likely to concentrate, and when the disposable diaper 10 is worn, it is a portion that may overlap in the front and back. Therefore, it is preferable to make the rear part of the rear leg opening 35R convex so that the pressure on the skin can be dispersed.
- a recess is formed that is recessed toward the inside in the product width direction.
- the recessed portion 37 is a portion that is recessed inward in the product width direction from the front and back regions of the leg opening. Since the recessed part 37 is concave shape, it will be in the state which follows a wearer's ridge part. For this reason, the side flap 70 and the leg expansion-contraction part 75 fit by a wearer, and the crotch region 25 from the front waistline area 20 of the disposable diaper 10 can be stably followed by a body irrespective of a wearer's movement.
- the concave portion 37 continues to fit the ridge portion, and the width of the absorber 40 is maintained without being narrowed. it can.
- the convex portion 36 and the concave portion 37 need to be along the wearer's body in addition to the pressure relief on the skin.
- the leg opening 35 has a convex shape that extends from the outer side in the product width direction toward the inner side in the product width direction, and the inner end portion 35I that is located on the innermost side in the product width direction in the leg opening portion 35 in the extended state of the disposable diaper 10
- the distance D2 to 75 is shorter than the distance in the product width direction between the leg stretchable part and the auxiliary stretchable part, and is 15 mm or less.
- the distance between the inner end 35I of the leg opening 35 and the leg stretchable part 75 in the extended state of the disposable diaper 10 is longer than 15 mm.
- the contraction force by the leg expansion / contraction part 75 does not act to the inner side edge part of the leg opening part 35, and there exists a possibility that the leg opening part 35 cannot be contracted appropriately by the leg expansion / contraction part 75.
- the inner side edge part 35I of the leg opening part 35 is a part pinched
- the distance between the inner end 35I of the leg opening 35 and the leg stretchable part is 15 mm or less, at least a portion of the leg opening that is in close contact with the wearer can be contracted and arranged along the legs of the wearer.
- the wearing state of the disposable diaper configured as described above will be described.
- the hook sheet 92 of the fastening tape 90 is fastened to the target portion 95, and the disposable diaper is held around the wearer's waist.
- back sheet non-arrangement field R2 arranged at front end 10F of a disposable diaper is arranged in a wearer's abdomen.
- positioned at the rear side edge part 10R of a disposable diaper is arrange
- the waist size of the wearer is not always constant, and may be increased by eating and drinking.
- the region extending from the fastening tape of the disposable diaper in the product width direction may be too close to the body.
- the front end and the rear end of the disposable diaper may be in close contact with each other. At this time, the pulling force in the product width direction is applied to the front end and the rear end of the disposable diaper.
- a backsheet non-arrangement region R2 is disposed at the front end portion 10F and the rear end portion 10R of the disposable diaper. Since the extension rate of the backsheet non-arrangement region R2 is higher than the extension rate of the backsheet arrangement region R1, the backsheet non-arrangement region R2 is easier to extend than the backsheet arrangement region R1. When the wearer's waistline size is increased and a force pulling in the width direction is applied to the front end and rear end of the disposable diaper, the front end and rear end of the disposable diaper extend in the product width direction. .
- the backsheet arrangement region R1 is made of a non-extensible film and hardly stretches when a pulling force acts in the width direction. That is, the length of the backsheet arrangement region R1 is almost the same in the state where the force in the width direction is applied and the state where the force is not applied due to the change in the waist size of the wearer.
- the backsheet non-arrangement region R2 extends more than the state in which the force in the width direction does not act, and becomes longer than the designed dimension.
- the dimensions of the front end portion and the rear end portion 10R of the disposable diaper can be changed in accordance with the change in the waist size of the wearer. Accordingly, the wearer's waistline can be appropriately covered in response to a change in the size of the wearer's waistline. It can suppress that the front side edge part and rear side edge part of a disposable diaper stretch, and can suppress the deterioration of a wearing feeling.
- the front end portion 10F and the rear end portion 10R of the disposable diaper are in direct contact with the wearer's skin in a mounted state, and are easily in close contact with the wearer's body.
- An outer sheet 60 and a top sheet 50 are laminated on the front end 10F and the rear end 10R of the disposable diaper.
- the nonwoven fabric constituting the exterior sheet 60 and the top sheet 50 has higher flexibility than the film constituting the back sheet. Since the flexibility of the portion that is in direct contact with the wearer's skin is increased, the irritation to the skin is reduced and the wearing feeling is improved. Furthermore, since the film constituting the backsheet is not arranged, the moisture permeability is good and the skin irritation can be reduced.
- the backsheet arrangement region R1 is more than the rear end 40R of the absorber 40. Also extends backwards. Therefore, even when body fluid leaks from the rear end portion 40R of the absorber 40, the body fluid can be prevented from leaking to the exterior sheet 60 side by the liquid-impermeable back sheet 60a.
- the back sheet arrangement region R1 extends rearward from the product longitudinal direction center O5 of the hook sheet 92 of the fastening tape 90.
- the back sheet arrangement region extends rearward from the product longitudinal direction center O5 of the hook sheet 92 of the fastening tape. Therefore, more than half of the regions in the product longitudinal direction are in close contact with the wearer's body.
- region has extended 5 mm or more back from the rear side edge part of an absorber, and it is more preferable that it has extended 10 mm or more back from the rear side edge part of the absorber. .
- the back sheet arrangement area only needs to extend beyond the product longitudinal direction center O5 of the hook sheet 92 of the fastening tape.
- the length of the hook sheet 92 of the fastening tape in the longitudinal direction of the product is preferably 20 mm or more, and more preferably 25 mm or more.
- the waist stretchable portion 85 that constitutes at least a stretchable sheet that stretches in the product width direction is disposed across the backsheet placement region R1 and the backsheet non-placement region R2 in the rear waistline region.
- the rear end portion of the waistline stretchable portion 85 is located at the rear end portion 10R of the disposable diaper, and the front end portion of the waistline stretchable portion 85 is located within the backsheet arrangement region R1.
- the waist stretchable portion 85 is located in the backsheet arrangement region R1, the backsheet that prevents leakage of bodily fluids can be brought into close contact with the body, and the leakage prevention effect can be improved. Moreover, since the waist elastic part 85 has reached the rear end 10R of the disposable diaper beyond the backsheet arrangement area R1, an area beyond the backsheet arrangement area R1 (backsheet non-arrangement area R2) is also included. Close contact with the wearer's body.
- the waist stretchable portion 85 makes it easier for the backsheet non-arrangement region R2, particularly the rear end portion 10R of the disposable diaper, to extend in the product width direction, and the operability when worn is improved.
- the waist stretchable portion 85 is provided, so that the fit of the region located on the outer side in the longitudinal direction from the waistline holding portion is maintained in the waistline position of the wearer (wearing state).
- the disposable diaper is easily maintained at the waistline position of the wearer due to the contraction of the stretchable portion 85.
- the waist elastic part 85 may be provided not only in the rear waist area but also in the front waist area. It is preferable that the waist elastic part 85 provided in the front waistline region is disposed across the backsheet placement region R1 and the backsheet non-placement region R2 in the front waistline region. Specifically, the front end portion of the waistline stretchable portion 85 may be located at the front end portion 10F of the disposable diaper, and the rear end portion of the waistline stretchable portion 85 may be located within the backsheet arrangement region R1. preferable.
- the waist stretchable portion 85 as the stretchable sheet extends outward in the product width direction from the backsheet placement region.
- a region on the outer side in the product width direction from the backsheet arrangement region is easily extended in the product width direction by the waist stretchable portion 85. Therefore, it becomes easier to pull the region outside the product width direction than the backsheet arrangement region when attached to the outside in the product width direction, and the operability during attachment is improved.
- the backsheet non-arrangement region R2 is provided at the front end 10F of the disposable diaper and the rear end 10R of the disposable diaper.
- a backsheet non-arrangement region R2 having a high elongation rate is provided on both the front end 10F of the disposable diaper and the rear end 10R of the disposable diaper. Therefore, when the force pulled in the product width direction is applied, both the front end portion 10F of the disposable diaper and the rear end portion 10R of the disposable diaper are easily stretched.
- the length L12 in the product longitudinal direction of the back sheet non-arrangement region in the rear waistline region is longer than the length L11 in the product longitudinal direction of the backsheet non-arrangement region in the front waist region (see FIG. 2). Since the fastening tape is disposed in the rear waistline region, a force that pulls more outward in the product width direction acts on the backsheet non-arrangement region R2 in the rear waistline region than in the backsheet non-arrangement region in the front waistline region. Since the length L12 of the product longitudinal direction of the back seat
- the side flaps are not joined at the front end of the disposable diaper and the rear end of the disposable diaper. Therefore, it can suppress that the front side edge part of a disposable diaper and the rear side edge part of a disposable diaper become hard, and can ensure a softness
- the embossing rate of the exterior sheet is 5% or more and 15% or less. If the embossing rate of the exterior sheet is less than 5%, it is advantageous in terms of elongation, but inconvenience is likely to occur in terms of the difficulty of fluffing necessary as the exterior sheet. Generation
- the embossing rate here is the ratio of the area where embossing is formed to the entire area.
- the absorbent body 40 is formed with a low-rigidity portion including the rear end portion of the absorbent body in which the absorbent core constituting the absorbent body does not exist or the basis weight of the absorbent core is lower than other portions. .
- a low-rigidity portion at the rear end of the absorber, the flexibility of the rear end of the absorber is enhanced, and when the rear waistline side is drawn toward the front waistline side, The rear end portion is also easily spread in the width direction.
- the manufacturing method of a disposable diaper includes at least a component forming process, a component placing process, a leg-hole forming process, and a cutting process.
- the components constituting the disposable diaper are formed.
- the absorber 40 is formed by stacking absorption materials.
- the elastic sheet constituting the leg stretchable part 75 On the web constituting the back sheet, the elastic sheet constituting the leg stretchable part 75, the other web such as the web constituting the top sheet, the leakproof sheet, the absorber, the leg stretchable part 75, the components which comprise the disposable diaper 10, such as the auxiliary elastic part 77, are placed.
- the top sheet 50, the exterior sheet 60, and the back sheet 60a are cut. Thereby, the front side edge part 77F of the auxiliary
- the continuous body in which the top sheet 50, the back sheet 60a, the absorber 40, and the like are arranged is cut into the size of one product along the product width direction W. Thereby, the disposable diaper 10 is manufactured.
- FIG. 5 is a developed plan view of a disposable diaper 10A according to a modification.
- the disposable diaper 10A according to the modified example is configured such that the extension rate of the side flaps 70 is substantially equal to that of the back sheet.
- the region overlapping the side flap 70 is unlikely to extend in the product width direction, like the backsheet arrangement region R1.
- the top sheet of the disposable diaper according to the modification can be a non-woven fabric sheet having alternately high and low weight parts in the product width direction.
- the force concentrates on the boundary between the high basis weight portion and the low basis weight portion, which is preferable for extension of the extensible portion, and extension is promoted.
- the disposable diaper according to the modified example is configured such that, in the backsheet non-arrangement region R2, a region R4 that does not overlap with the side flaps 70 (region between the side flaps 70) R4 has a higher expansion rate than the backsheet disposition region R1.
- a region R4 that does not overlap with the side flaps 70 (region between the side flaps 70) R4 has a higher expansion rate than the backsheet disposition region R1.
- the rear side edge part of a disposable diaper can be extended in the width direction, and it can control that the front side edge part and rear side edge part of a disposable diaper are stretched.
- the nonwoven fabric sheet constituting the top sheet or the exterior sheet in the modification is constituted by a sheet that does not have a heat fusion point by dots or line embossing, or a sheet that has an area ratio of dots or line embossment of 5% to 15%.
- the area ratio of the emboss is a ratio of the area where the emboss is formed to the area of the entire sheet. For example, the area of the portion where the embossing of the exterior sheet is formed with respect to the entire area of the exterior sheet.
- the sheets that form the region (region between the side flaps 70) R4 that does not overlap with the side flaps 70 are joined.
- an adhesive hot melt adhesive
- Intermittent application refers to a state where a linear adhesive is applied while drawing a meandering / spiral shape, etc., rather than being applied in a planar shape.
- the joint point between sheets reduces and joining does not inhibit the expansion
- the back sheet arrangement region may be located in front of the rear end portion of the absorber, or may be arranged in front of the product longitudinal direction center of the hook sheet 92.
- the outer end of the stretchable sheet in the product longitudinal direction may be disposed behind the front end of the disposable diaper or in front of the rear end of the disposable diaper.
- the inner side edge part of the product longitudinal direction of an elastic sheet may be arrange
- the stretchable sheet may be disposed on the outer side in the product width direction than the outer end portion in the product width direction of the backsheet arrangement region.
- region may correspond in the product width direction.
- the backsheet arrangement region may be arranged at the front end of the disposable diaper, or may be arranged at the rear end of the disposable diaper.
- the length in the product longitudinal direction of the back sheet non-arranged region in the rear waistline region may be the same as the length in the product longitudinal direction of the back sheet non-arranged region in the front waistline region, It may be short.
- the side flap may be arranged in a partial region in the product longitudinal direction of the disposable diaper. Further, the folded side flap portions may be joined at the front end of the disposable diaper and the rear end of the disposable diaper.
- the exterior sheet may not have an emboss.
- the embossing rate of the exterior sheet may be less than 8% or may be greater than 16%.
- Example 1 and Example 2 used a sample in the backsheet arrangement region R1
- Example 3 and Example 4 used a sample in the backsheet non-arrangement region R2.
- Each sample was a symmetric region on the outer side in the product width direction with a straight line L1 passing through the center in the product width direction and parallel to the product longitudinal direction.
- the short direction of each sample is the product longitudinal direction of the disposable diaper, and the longitudinal direction of each sample is the product width direction of the disposable diaper.
- the length of each sample in the longitudinal direction is 20 mm longer than the “length before extension” in Table 1.
- Each sample 10 mm in the longitudinal direction is provided as a clip margin.
- the sample of Example 1 is a sample in a region where the backsheet is arranged behind the absorber 40 and where both ends in the longitudinal direction of the sample overlap the side flaps. Therefore, in the sample of Example 1, the top sheet, the waist stretchable part, the back sheet, and the exterior sheet are laminated, and the top sheet, the waist stretchable part, the side flap, the back sheet, and the exterior sheet are laminated. And having a portion.
- the sample of Example 2 is a backsheet arrangement area behind the absorber 40, and is an area between a pair of side flaps. Therefore, in the sample of Example 2, the top sheet, the waist elastic part, the back sheet, and the exterior sheet are laminated.
- the sample of Example 3 is a sample in the stretchable sheet placement region R3 in the back seat non-placement region in the rear waistline region, where both ends in the longitudinal direction of the sample overlap the side flaps. Therefore, the sample of Example 3 includes a portion where the top sheet, the waist stretchable portion, and the exterior sheet are laminated, and a portion where the top sheet, the waist stretchable portion, the side flap, and the exterior sheet are laminated. .
- the sample of Example 4 is a stretchable sheet placement region R3 in the backsheet non-placement region in the rear waistline region, and is a sample in a region between a pair of side flaps. Therefore, in the sample of Example 4, the top sheet, the waist stretchable part, and the exterior sheet are laminated.
- Table 1 shows the measurement results of the elongation rate of each sample.
- the present invention relates to a tape-type diaper having an absorbent body, a back sheet disposed on the non-skin contact surface side of the absorbent body, and a cover sheet disposed on the non-skin contact surface side of the back sheet. Can be applied.
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Abstract
Description
バックシート非配置領域の伸長率=(伸長後のバックシート非配置領域の長さ)÷(伸長前のバックシート非配置領域の長さ)
本明細書において、バックシート配置領域の伸長率及びバックシート非配置領域の伸長率は、例えば、次のように測定されるものとする。
また、補助伸縮部77の伸長率は、1.6倍~2.4倍であることが好ましい。なお、補助伸縮部77の伸長率とは、補助伸縮部の伸長の程度を意味し、以下のように規定される。
レッグ伸縮部の伸長率及び補助伸縮部の伸長率は、例えば、次のように測定されるものとする。
なお、伸縮シート配置領域R3の伸長率は、バックシート非配置領域R2の伸長率と同様の測定方法によって測定できる。
バックシート配置領域R1は、吸収体40の後側端部40Rよりも後方に延びている。よって、吸収体40の後側端部40Rから体液が漏れた場合であっても、液不透過性のバックシート60aによって外装シート60側に体液が漏れることを抑制できる。
次に、本実施形態に係る使い捨ておむつの製造方法の一例について説明する。なお、本実施形態において説明しない工程については、既存の方法を用いることができる。また、以下に説明する製造方法は、一例であり、他の製造方法によって前述の使い捨ておむつを製造することもできる。使い捨ておむつの製造方法は、構成部品形成工程と、構成部品載置工程と、脚回り形成工程と、切断工程とを少なくとも含む。
上述したように、本発明の実施形態を通じて本発明の内容を開示したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかとなる。
本実施の形態に係る使い捨ておむつの実施例1~4のサンプルを用いて、バックシート配置領域の伸長率と、バックシート非配置領域の伸長率と、を測定した。
本発明は、ここでは記載していない様々な実施の形態などを含むことは勿論である。したがって、本発明の技術的範囲は、上述の説明から妥当な特許請求の範囲に係る発明特定事項によってのみ定められるものである。
20:前胴回り域
25:股下域
30:後胴回り域
35:レッグ開口部
35I:内側端部
35F:前側レッグ開口部
35R:後側レッグ開口部
40:吸収体
40a:吸収性コア
40b:コアラップ
50:トップシート
60:外装シート
60a:バックシート
70:サイドフラップ(サイドシート)
75:レッグ伸縮部
77:補助伸縮部
80:レッグサイドギャザー
81:弾性部材
85:腰回り伸縮部
90:ファスニングテープ
91:基材シート
92:フックシート(係合部)
95:ターゲット部
R1:バックシート配置領域
R2:バックシート非配置領域
L:製品長手方向
W:製品幅方向
Claims (8)
- 前胴回り域と、
後胴回り域と、
前記前胴回り域から前記後胴回り域に向かって延びる製品長手方向において前記前胴回り域と前記後胴回り域との間に位置する股下域と、
前記股下域を跨ぎ、かつ前記前胴回り域と前記後胴回り域の少なくとも一方に延びる吸収体と、
前記製品長手方向と直交する方向である前記後胴回り域の製品幅方向の外側端部に配置され、前記前胴回り域に係合する一対のファスニングテープと、
前記吸収体の非肌当接面側に配置された液不透過性のバックシートと、を有する使い捨ておむつであって、
前記使い捨ておむつは、その平面視において、前記バックシートが配置されたバックシート配置領域と、前記バックシート配置領域よりも前記製品長手方向外側に位置し、前記バックシートが配置されていないバックシート非配置領域と、を有し、
前記バックシート非配置領域は、前記使い捨ておむつの前側端部及び前記使い捨ておむつの後側端部の少なくとも一方に配置されており、
前記バックシート非配置領域の伸長率は、前記バックシート配置領域の伸長率よりも高い、使い捨ておむつ。 - 前記ファスニングテープは、前記前胴回り域に係合する部材が配置された係合部を有し、
前記バックシート配置領域は、前記吸収体の後側端部よりも後方、かつ前記係合部の前記製品長手方向中心よりも後方に延びている、請求項1に記載の使い捨ておむつ。 - 前記製品幅方向に伸縮する伸縮性シートをさらに有し、
前記伸縮性シートの前記製品長手方向の外側端部は、前記使い捨ておむつの前記前側端部及び前記使い捨ておむつの前記後側端部の少なくとも一方に配置され、
前記伸縮性シートの前記製品長手方向の内側端部は、前記バックシート配置領域内に配置されている、請求項1又は請求項2に記載の使い捨ておむつ。 - 前記伸縮性シートは、前記バックシート配置領域よりも前記製品幅方向外側に延出している、請求項3に記載の使い捨ておむつ。
- 前記バックシート非配置領域は、前記使い捨ておむつの前記前側端部及び前記使い捨ておむつの前記後側端部に配置されている、請求項1から請求項4のいずれかに記載の使い捨ておむつ。
- 前記後胴回り域における前記バックシート非配置領域の前記製品長手方向の長さは、前記前胴回り域における前記バックシート非配置領域の前記製品長手方向の長さよりも長い、請求項5に記載の使い捨ておむつ。
- 前記吸収体の肌当接面側に配置された起立性の一対のサイドギャザーをさらに有し、
前記一対のサイドギャザーは、前記製品幅方向に離間して配置されており、
前記一対のサイドギャザーのそれぞれは、前記製品長手方向に沿った折り目を起点に折り畳まれたサイドシートと、前記折り畳まれたサイドシートの部分同士の間に配置された伸縮性部材と、を有し、
前記サイドシートは、前記使い捨ておむつ前記前側端部から前記後側端部まで配置されており、
前記折り畳まれたサイドシートの部分同士は、前記使い捨ておむつの前記前側端部及び前記使い捨ておむつの前記後側端部において接合されていない、請求項1から請求項6のいずれかに記載の使い捨ておむつ。 - 前記バックシートの前記非肌当接面側に配置された外装シートを備え、
前記外装シートのエンボス率は、5%以上15%以下である、請求項1から請求項7のいずれかに記載の使い捨ておむつ。
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JP6382101B2 (ja) * | 2014-12-26 | 2018-08-29 | ユニ・チャーム株式会社 | 吸収性物品の製造方法 |
JP5922288B1 (ja) * | 2015-08-19 | 2016-05-24 | 株式会社アルバ | 使い捨て着用物品及び使い捨て着用物品の製造方法 |
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EP2532332B2 (en) * | 2011-06-10 | 2017-10-04 | The Procter and Gamble Company | Disposable diaper having reduced attachment between absorbent core and backsheet |
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- 2014-05-23 WO PCT/JP2014/063680 patent/WO2014196379A1/ja active Application Filing
- 2014-05-23 AU AU2014276039A patent/AU2014276039B2/en not_active Ceased
- 2014-06-04 TW TW103119362A patent/TWI619478B/zh active
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JP2001095838A (ja) * | 1999-09-29 | 2001-04-10 | Daio Paper Corp | 使い捨て紙おむつ |
JP2003235892A (ja) * | 2002-02-19 | 2003-08-26 | Kao Corp | 使い捨ておむつ |
JP2004337388A (ja) * | 2003-05-16 | 2004-12-02 | Kao Corp | 吸収性物品 |
JP2008104873A (ja) * | 2006-09-29 | 2008-05-08 | Daio Paper Corp | 紙おむつ、及び紙おむつの製造における止着部を有する伸縮性胴回り部の形成方法 |
JP2008272250A (ja) * | 2007-04-27 | 2008-11-13 | Daio Paper Corp | 使い捨て紙おむつ及びその製造方法 |
JP2011135985A (ja) * | 2009-12-28 | 2011-07-14 | Kao Corp | 使い捨ておむつ |
Also Published As
Publication number | Publication date |
---|---|
AU2014276039A1 (en) | 2016-01-21 |
JP2014233553A (ja) | 2014-12-15 |
AU2014276039B2 (en) | 2018-06-21 |
TWI619478B (zh) | 2018-04-01 |
CN105263453B (zh) | 2018-10-19 |
TW201515644A (zh) | 2015-05-01 |
CN105263453A (zh) | 2016-01-20 |
JP6212289B2 (ja) | 2017-10-11 |
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