CN1229089C - Absorbent article - Google Patents
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- CN1229089C CN1229089C CN 00102821 CN00102821A CN1229089C CN 1229089 C CN1229089 C CN 1229089C CN 00102821 CN00102821 CN 00102821 CN 00102821 A CN00102821 A CN 00102821A CN 1229089 C CN1229089 C CN 1229089C
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- safe edge
- dimensional safe
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- elastomer
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Abstract
This absorptive article includes an absorptive body which has a liquid permeable front surface sheet, a liquid impermeable leakproof sheet and a liquid holdable absorber and is substantially longitudinally long. Both longitudinal right and left side and both longitudinal end sides of the body are respectively provided with three-dimensional guards and the respective guards are respectively provided with broad elastic parts. The lateral three-dimensional guards and disposed on both right and the left sides of the diaper and rear side three-dimensional guards and abdomen side three-dimensional guards disposed on the abdomen side part A are disposed as the three-dimensional guards. The lateral elastic parts disposed at the lateral three-dimensional guards, the rear side elastic parts disposed at the abdomen side three-dimensional guards and the abdomen side elastic parts 64A disposed at the abdomen side three-dimensional guards are disposed as the elastic parts.
Description
The present invention relates to have the absorbent commodity of suitable property of good subsides and good leakageresistance, as disposable diaper.
Existing people proposes and has used variously to have gauffer and/or have the absorbent commodity of three-dimensional safe edge at waist, as disposable diaper.
But, these conventional absorbent commodities are still having weak point aspect the suitable property of subsides, and thereby produce following problem: when wearer is dressed, can produce side leakage to the zone of dorsal part, and when wearer uses, can produce side leakage owing to moving down also of absorbent commodity by the lower limb fork.
In addition, the conventional disposable diaper of other that propose all has three-dimensional safe edge at shank part, veutro and dorsal part place, and has suitable property of good subsides and good anti-side leakage performance (Japanese Patent Application Publication 2517622).These conventional disposable diapers use the strip elastomer as the elastomer that is used for three-dimensional safe edge.
But in the conventional disposable diaper that so constitutes, three-dimensional safe edge can not produce the suitable property of good subsides to wearer in some cases.That is to say that in having the conventional disposable diaper of three-dimensional safe edge, this safe edge is holded up on the material side direction of the top layer of diaper, make the free end portion of safe edge contact, produce the suitable property of good subsides thus and prevent leakage with the skin of wearer.But, if since the situation safe edge of wearer when upwards not holding up, just can not form the suitable property of good subsides and prevent leakage.
Therefore, the purpose of this invention is to provide a kind of absorbent commodity that can produce suitable property of good subsides and good anti-leak performance, the absorbent commodity that particularly has anti-side leakage performance.
The present invention is by providing following absorbent commodity to realize above-mentioned purpose, described absorbent commodity comprises an absorber and a pair of three-dimensional safe edge, described absorber comprises liquid permeability top layer material, non-liquid permeability leakproof sheet material and liquid-keeping absorbent cores, and described three-dimensional safe edge has and is formed at described absorber to a vertical left side, three-dimensional safe edge elastomer on the right both sides relatively, described absorber is provided with the scalable part of dorsal part on posterior components, described posterior components is positioned at the dorsal part of wearer in use, and the scalable part of described dorsal part is to form by a plurality of dorsal part elastomers are set on the width of absorbent commodity, wherein, three-dimensional safe edge elastomer is separately positioned between the free margins acies and three-dimensional safe edge bottom and free margins acies of three-dimensional safe edge, free margins acies along three-dimensional safe edge is provided with a plurality of three-dimensional safe edge elastomers with predetermined interval, and each three-dimensional safe edge elastomer is connected with the scalable part of dorsal part at the end margin place that it is positioned on posterior components one side, and makes or assist dorsal part elastomer stretching motion.
Absorbent commodity of the present invention can provide good anti-shank leaking performance.
Below with reference to accompanying drawing the present invention is described in more detail, wherein:
Fig. 1 is the axonometric chart of top layer material side that shows the disposable diaper of first embodiment according to the present invention, and this disposable diaper is in freedom (perhaps loosening) state;
Fig. 2 is that wherein elastomer is in extended state along the sectional view of Fig. 1 center line X-X;
Fig. 3 is that wherein elastomer is in extended state along the sectional view of Fig. 1 center line Y-Y;
Fig. 4 is the axonometric chart that shows the disposable diaper of another embodiment according to the present invention, and it is observable by top layer material side, and wherein this disposable diaper is in freedom (perhaps loosening) state;
Fig. 5 is the sectional view along Fig. 4 center line X-X;
Fig. 6 is the sectional view along Fig. 4 center line Y-Y; And
Fig. 7 is the schematic representation of apparatus that is used for the waterproof experiment.
A preferred embodiment according to absorbent commodity of the present invention below will be described.
Absorbent commodity as first embodiment, as Fig. 1, shown in 2 and 3, disposable diaper 1 comprises absorber 10 and a pair of three-dimensional safe edge 6, this absorber 10 comprises liquid permeability top layer material 2, non-liquid permeability leakproof sheet material 3 and liquid-keeping absorbent cores 4, and three-dimensional safe edge 6 has the vertically left side of the absorber of being formed at 10 respectively, three-dimensional safe edge elastomer 64 on the right relative side marginal portion, absorber 10 is provided with the scalable part 9 of dorsal part at posterior components B place, described posterior components B is positioned on the dorsal part of wearer in use, and the scalable part 9 of this dorsal part is by the width along absorbent commodity 1 a plurality of dorsal part elastomers 91 to be set to form.Owing to be provided with three-dimensional safe edge elastomer 64, can on three-dimensional safe edge 6, form gauffer.
In the disposable diaper 1 of this embodiment, absorbent cores 4 is clamped between them securely by top layer material 2 and leakproof sheet material 3.Top layer material 2 and leakproof sheet material 3 extend beyond the vertical left and right opposite edges of absorbent cores 4, form thus a pair of in use with the contacted left and right shank part 7 of the shank of wearer.
A pair of waist opening part 8 is respectively equipped with waist elasticity body 81, and form the waist gauffer thereon, one of them waist opening partly is in the veutro part A, this part is positioned on the veutro of wearer in use, another waist opening partly is among the posterior components B, and this part is positioned on the dorsal part of wearer in use.Left and right relatively marginal area B1, the B2 of posterior components B are respectively equipped with the banded fixture 11 that is used for fixing disposable diaper 1.
Each three-dimensional safe edge 6 is to form by strip sheet material 61 being set at veutro waist opening edge 82A to the zone of dorsal part waist opening edge 82B.Each sheet material 61 is securely fixed on the top layer material 2 of waist opening part 8 sides in its longitudinal end edge, and on its vertical side portion office is connected top layer material 2 in the respective leg portions part 7 securely.Therefore, the bottom 60 of three-dimensional safe edge 6 is arranged on the top layer material 2 of shank part 7.
In disposable diaper 1 according to the present embodiment, three-dimensional safe edge elastomer 64 is separately positioned on the free margins acies 63 of three-dimensional safe edge 6 and between the bottom 60 and free margins acies 63 of three-dimensional safe edge 6, with predetermined interval a plurality of three-dimensional safe edge elastomers 64 are set along free margins acies 63, each three-dimensional safe edge elastomer 64 is connected with the scalable part 9 of dorsal part at the free margins acies place that it is positioned at posterior components B one side, and makes or assist dorsal part elastomer 91 stretching motions.
More specifically, the scalable part 9 of dorsal part (part that is represented by dotted lines among the figure) is meant the part that is provided with dorsal part elastomer 91 and directly forms gauffer.Part 9 comprises the zone of being started at 0-20mm by dorsal part elastomer 91.
The width W of the scalable part 9 of dorsal part is 30-200mm, and along the width setting of disposable diaper 1.Between scalable part 9 of dorsal part and the dorsal part waist opening edge 82B apart from T
1Be preferably 0-50mm.
The lateral length of three-dimensional safe edge 6 is defined as " L ", and this length L is preferably 10-150mm.
Single three-dimensional safe edge elastomer 64 is set at free margins acies 63 places, and 4 three-dimensional safe edge elastomers 64 are set between free margins acies 63 and bottom 60.That is to say that the usage of above-mentioned " a plurality of " is meant at each three-dimensional safe edge 6 place a plurality of three-dimensional safe edge elastomers 64 are set, rather than refers to a plurality of three-dimensional safe edge elastomers 64 must be set at free margins acies place.Three-dimensional safe edge elastomer 64 is fixed between the part that sheet material 61 turns back in free margins acies 63 places in the interlayer mode securely with binding agent respectively.Three-dimensional safe edge elastomer 64 parallels with free margins acies 63 respectively and along the longitudinal direction setting of disposable diaper 1.
Interval T between the adjacent three-dimensional safe edge elastomer 64
2Be preferably 2-100mm, but there is no need to make all intervals all identical.
In the present embodiment, each three-dimensional safe edge 6 is 0-50mm apart from dorsal part elastomer 91a, the following lower limb fork on the scalable part 9 of the most close dorsal part of this dorsal part elastomer 91a.It is the location of 2-20mm that three-dimensional safe edge elastomer 64 preferably is fixed on apart from dorsal part elastomer 91a.
The stress of free margins acies 63 is greater than the stress in the zone that all the other three-dimensional safe edge elastomers 64 are set.In the present embodiment, the stress of three-dimensional safe edge elastomer 64 that is arranged on each free marginal end 63 place is greater than the stress that is arranged on all the other the three-dimensional safe edge elastomers 64 between free margins acies 63 and the bottom 60.
Particularly, the stress that is arranged on the three-dimensional safe edge elastomer 64 at free margins acies 63 places is preferably 10-1000gf, and preferably than the big 5-500gf of stress of all the other three-dimensional safe edge elastomers 64.
The stress of dorsal part elastomer 91 is preferably 500-3000gf.
Described " stress " is following mensuration.
Measure the method for elastomer stress
It is 150mm that elastomer is cut into length, and use Tensilon stretching testing machine (OrienticCorp. manufacturing) that this sample is carried out stretching experiment, its condition is: the chuck distance is 100mm, and draw rate is 300mm/min, the stress when recording 100% stretching then.
The material of the composition member of the disposable diaper 1 that constitutes the present embodiment below will be described.
Material for forming top layer material 2, leakproof sheet material 3 and absorbent cores 4, waist elasticity body 81 and fixing band 11 can not have any normally used material in the conventional disposable diaper that specifically restrictedly uses.
The water pressure resistance of sheet material 61 (repellency) is preferably 3.0g/cm
2Or higher, 5.0g/cm more preferably
2Or it is higher.Making water pressure resistance is 3.0g/cm
2Or higher, can prevent that Excreta from oozing out and by leaking in the three-dimensional safe edge.
Water pressure resistance
Water pressure resistance is to use the device 100 shown in Fig. 7 to record, and wherein will test sheet material 110 (non-woven fabrics or flaky material) is 9.6cm by rubber blanket 102,102 ' be clamped in internal diameter for about 3.5cm, sectional area
2Two cylindrical tube 101,101 ' between, then with anchor clamps (not shown)s fixed cylinder pipe 101,101 ', rubber blanket 102,102 ' and test sheet material 110, last cylindrical tube 101 is provided with in the top manages 103.Inject normal saline by managing 103 in cylindrical tube 101, speed is 4g/min, measures normal saline then and leaks to down the cylindrical tube time in 101 ' time by the test sheet material.The time data that so obtains is applied in the following measure equation, obtains water pressure resistance.
Water pressure resistance (g/cm
2)=Measuring Time (second) * (4g/60 second)/9.6cm
2
That the material that satisfies above-mentioned condition comprises is spunbond/molten blow/melt blow/spun-bonded non-woven fabrics (SMMS), hot-rolling press non-woven fabrics, airthrough non-woven fabrics, spun-bonded non-woven fabrics, spunbond/as to melt and blow/spun-bonded non-woven fabrics (SMS) etc.
For preventing that liquid from by oozing out in the safe edge, can use the diaphragm that comprises following material: the laminate of non-liquid permeability film and non-woven fabrics.Spendable non-liquid permeability film comprises polyolefin, as polyethylene and polypropylene, polyester, polyvinyl alcohol, and walking to the described non-porous permeability sheet material of the 4th hurdle the 27th row as the 3rd hurdle the 1st among the Japanese Patent Application Publication 9-201909, this sheet material comprises the elastomer of polyurethanes and/or ester and thermoplastic polyolefin resin.When using laminate, might produce stimulation to skin.For preventing this stimulation, the hardness that reduces film is very effective; For example, can use basis weight to be lower than 20g/m
2Film.Preferred film is the saturating wet-sheet of above-mentioned imporosity.Can use hotmelt Method for bonding, heat sealing method, the ultrasonic sealing method of conventional use in the disposable diaper field that non-woven fabrics and non-liquid permeable film layer are forced together, these methods are without any concrete restriction.
For three-dimensional safe edge elastomer 64, can use elastomer known in the art and do not have any concrete restriction, as long as they can satisfy above-mentioned condition respectively.The three-dimensional safe edge elastomer 64 and remaining the three-dimensional safe edge elastomer 64 that are arranged on free margins acies 63 places can be made with different materials, make their stress difference, perhaps make with identical materials, but should be different on stress.
The disposable diaper 1 of the present embodiment can use according to the mode identical with conventional flat type disposable diaper.
In the disposable diaper of the present embodiment, interconnect to scalable part 9 of dorsal part and three-dimensional safe edge 6 operability, and collaborative having an effect.Therefore, when the scalable part 9 of dorsal part and three-dimensional safe edge 6 fitted in wearer, the direction of pressure vector tilted.Reason for this reason, although the stress of scalable part 9 of dorsal part and three-dimensional safe edge 6 a little less than, they still can fit in wearer well.So this disposable diaper can get off hardly in landing, has prevented side leakage, particularly prevented the leakage that produces by the zone between lower limb fork and the back.
Because shape pouch part between adjacent three-dimensional safe edge elastomer 64, the Excreta that originally might rise on the three-dimensional safe edge drops in this bag shape part, therefore can more effectively prevent the leakage by the shank part.
The disposable diaper of this embodiment can followingly obtain: the mode with interlayer is clamped in waist elasticity body 81, dorsal part elastomer 91 and absorbent cores 4 between them with top layer material and leakproof sheet material securely, is provided with a plurality of elastomeric sheet materials with being bonded in it on the methods known in the art preposition then.
Though described the disposable diaper 1 that does not have gauffer in the shank part in the first embodiment, the present invention is not limited to this.On the contrary, in the shank part, elastomer is set suitably, can be formed with the disposable diaper of leg creases thus.So under the situation, under the effect of leg creases, can strengthen the anti-leak performance.
Though flat type disposable diaper only has been described in first embodiment, the present invention is equally applicable to Breeches type disposable diaper (wherein longitudinal direction is the direction up and down of disposable diaper), sanitary towel etc.
Though only described the disposable diaper that the bottom 60 of each three-dimensional safe edge wherein is arranged in shank part 7 in the first embodiment, that is to say that bottom 60 is not positioned on the absorbent cores, the present invention is not limited to this.Bottom 60 can be positioned on the absorbent cores 4.So under the situation, even Excreta is climbed up three-dimensional safe edge, they also can be absorbed by the absorption portion that is in outside the described bottom.Therefore, can further strengthen the anti-leak effect.
In addition, can on the one or both sides in posterior components and the veutro part, formation have the three-dimensional safe edge of the elastomeric waist part of three-dimensional safe edge, to prevent the leakage of waist part.
What can also accept is, three-dimensional safe edge or the elastomer that is arranged on three-dimensional safe edge place can be crooked, makes three-dimensional safe edge or be arranged on the elastomer end parts at three-dimensional safe edge place and the support sector of banded fixture divides adjacent.
In addition, but the three-dimensional safe edge zone lamination between bottom part and the free end portion has liquid permeability or non-liquid permeability film.
The available Stretchable sheet of three-dimensional safe edge itself forms.
Moreover, on the free margins acies, tie up a plurality of elastomers, perhaps, can make the elastomeric stress of three-dimensional safe edge that is arranged on free margins acies place thus greater than all the other elastomeric stress by additive method.
Material for constituting absorbent cores can use waterproof fixed body (mount), non-woven fabrics and non-liquid permeability film.The bottom of absorption portion and sidepiece can cover with these materials.So under the situation, can when absorbing Excreta, more effectively prevent because the pressure of wearer's body makes Excreta by oozing out in the absorbent cores.
Also acceptablely be, the leakproof sheet material only extends to the bottom part of three-dimensional safe edge or the side edge of absorbent cores, and does not extend to the shank part, and described shank part is made of sheet material 61, and outer non-woven fabrics is set on the outer surface of leakproof sheet material.So under the situation, the shank part can provide better breathability, and therefore enhancing prevents to produce sultry effect.In the case, sheet material 61 is preferably 1000cN/50mm or higher in the intensity of crossing on machine (across machine) direction, and 1200cN/50mm more preferably.
Described intensity is following mensuration.
The width that the specimen sheet is cut on the machine direction (MD) is 25mm, and (cross-machine direction, CD) length on is 150mm perpendicular to the direction of MD.Use Tensilon stretching testing machine (Orientic Corp. manufacturing) that this sample strip is carried out stretching experiment, its condition is: the chuck distance is 50mm, and the draw rate on the CD direction is 300mm/min, the intensity of specimen sheet when measuring fracture then.
Second embodiment according to absorbent commodity of the present invention below will be described in more detail.
Particularly, below will only describe in detail and the first embodiment difference.When omitting detailed description, can suitably use the explanation of first embodiment.
Shown in Fig. 4,5 and 6, as the absorber 10 that the disposable diaper 1 of the absorbent commodity of this embodiment has elongated shape, it comprises liquid permeability top layer material 2, non-liquid permeability leakproof sheet material 3 and liquid-keeping absorbent cores 4.
The surface of leakproof sheet material 3 is provided with outer non-woven fabrics 5.This skin non-woven fabrics 5 extends makes its both sides of the edge be positioned at outside the side edge 4a of absorbent cores 4.The extension of non-woven fabrics 5 forms a pair of left and right shank part 7.
Therefore, the disposable diaper 1 of the present embodiment has three-dimensional safe edge respectively on the vertical left and right relative side edge of absorber 10 and longitudinal relative end edge.Each three-dimensional safe edge has wide elastic part 64.That is to say, on posterior components, be provided with the three-dimensional safe edge that has as the wide telescopic section of the scalable part of dorsal part.
For three-dimensional safe edge 6, the disposable diaper 1 of this embodiment comprises the three-dimensional safe edge 6C of the side on the left and right relative side that is arranged on diaper, 6C, is arranged on the dorsal part safe edge 6B on the posterior components B, and is arranged on the veutro safe edge 6A on the veutro part A.In addition, elastic part 64 comprises the side elastic part 64C that is arranged on the three-dimensional safe edge 6C of side, the 6C, is arranged on the dorsal part elastic part 64B on the three-dimensional safe edge 6B of dorsal part, and is arranged on the veutro elastic part 64A on the three-dimensional safe edge 6A of veutro.
More specifically, the three-dimensional safe edge 6C of side, 6C form on the left and right relative side of this diaper by the sheet material 61 that forms three-dimensional safe edge is set.Sheet material 61 extends beyond absorbent cores 4 relative sides, is sealed in then on the outer non-woven fabrics 5.
Three-dimensional safe edge 6B of dorsal part and the three-dimensional safe edge 6A of veutro are formed on posterior components B and the veutro part A by sheet material 61 is set respectively, and its set-up mode is that the outer end edges 61a of this sheet material is positioned at the end margin place of waist opening part 8.
Three-dimensional safe edge 6A, 6B, 6C and 6C are bonded in respectively on the top layer material 2 of absorbent cores 4 upsides securely, and form bottom 60 thus.
Side elastic part 64C, 64C, dorsal part elastic part 64B and veutro elastic part 64A form by being provided at predetermined intervals a plurality of strip elastomer 64a.Each elastomer 64a is provided with along the longitudinal direction, and runs through the whole longitudinal direction of three-dimensional safe edge.
Width for each three-dimensional safe edge, promptly, from free margins acies 63 to the bottom 60 length, preferably, the width of the three-dimensional safe edge 6C of side, 6C is 20-100mm, the width of the three-dimensional safe edge 6B of dorsal part is 20-100mm, and the width of the three-dimensional safe edge 6A of veutro is 20-80mm.
The width of elastic part 64A, 64B and 64C is preferably 10mm or wideer respectively.10mm or wideer width can strengthen the suitable property of subsides of diaper surface and contact skin, and represent advantage of the present invention fully.
Side elastic part 64C, 64C form by 4 elastomer 64a are set respectively, and dorsal part elastic part 64B forms by 4 elastomer 64a are set, and veutro elastic part 64A forms by 3 elastomer 64a are set.
Make each elastomeric tensile property not be both possible.For example, in elastic part 64C, be higher than elastomer, further strengthened thus and pasted suitable property near free margins acies 63 near the elastomeric stress of bottom 60.
Therefore, " wide elastic part " is meant owing to being provided with the zone that elastomer has telescopicing performance.For example, the zone of side elastic part 64C be near the elastomer of free margins acies 63 near the elastomeric zone of bottom.
The three-dimensional safe edge 6C of side, the three-dimensional safe edge 6B of dorsal part and the three-dimensional safe edge 6A of veutro are interconnective.
That is to say, in this embodiment, the three-dimensional safe edge 6C of side, the three-dimensional safe edge 6B of dorsal part and the three-dimensional safe edge 6A of veutro are zonal, the vertical end parts of the three-dimensional safe edge 6C of side is connected with the vertical end parts of three-dimensional safe edge 6B of dorsal part and the three-dimensional safe edge 6A of veutro respectively, forms oblong openings part 12 by each three-dimensional safe edge.
As illustrated in Figures 5 and 6, three-dimensional safe edge 6A, 6B, 6C, 6C are similar to dull and stereotyped three-dimensional safe edge, form the almost plane of level.Three-dimensional safe edge 6A, 6B, 6C, the 6C of dull and stereotyped sample directly carry out the surface with the skin of wearer in use and contact.
The connected mode of three-dimensional safe edge 6A, 6B, 6C, 6C is to make the elastomer 64a that is provided with on it overlapped, that is to say that the vertical end parts of the elastomer 64a among side elastic part 64C, the 64C lays respectively on veutro elastic part 64A and the dorsal part elastic part 64B.By the contraction of elastic part 64A, 64B, 64C, 64C, comprise that the absorber of the disposable diaper of absorbent cores, top layer material and leakproof sheet material is bent, produce the form of cup-shaped basically.Moreover three-dimensional safe edge 6A, 6B, 6C, 6C limit a bag shape part 13 leaning between three-dimensional safe edge 6A, 6B, 6C, the 6C and between three-dimensional safe edge 6A, 6B, 6C, 6C and top layer material 2 in the upper/lower positions.
The size of opening portion 12 can be selected according to baby diaper or adult diaper.
In the disposable diaper 1 of the present embodiment, elastomer is not set in shank part 7.
Preferably, sheet material 61 fracture strength in a longitudinal direction is greater than in a lateral direction fracture strength.
Particularly, the high 500-1000cN/50mm of longitudinal fracture strength ratio cross-breaking strength, more preferably high 500-2000cN/50mm.Longitudinal fracture intensity is preferably 200-8000cN/50mm, and cross-breaking strength is preferably 500-3000cN/50mm.
Following measurement fracture strength (intensity).
Fracture strength: the width that the specimen sheet is cut on the machine direction (MD) is 25mm, and (cross-machine direction, CD) length on is 150mm perpendicular to the direction of MD.Use Tensilon stretching testing machine (Orientic Corp. manufacturing) that this sample strip is carried out stretching experiment, its condition is: the chuck distance is 50mm, and the draw rate on the CD direction is 300mm/min, the intensity of specimen sheet when measuring fracture then.
Can not have any elastomer known in the art that restrictedly uses,, but preferably use the fibrous elasticity body as " Opeton " (trade name of the product that Dupong.Co. makes) as elastomer film, polyurethanes film, polyurethane fibre, natural rubber etc.
The disposable diaper 1 of the present embodiment can use according to the mode identical with flat type disposable diaper.
Because the disposable diaper of the present embodiment 1 constitutes as mentioned above, the surface of three-dimensional safe edge 6A, 6B, 6C, 6C all contacts with the skin of wearer, the suitable property of subsides that is formed by three-dimensional safe edge can not detracted by any wearing condition, and represents the suitable property of good subsides.In addition, the drain site of wearer is positioned at opening portion 12 places, this part has the bag shape part 13 that forms along the peripheral region, make Excreta can be directly drain, and be not absorbed this moment and the Excreta that moves on the material of top layer is stored in this bag shape part 13 a period of time so that be absorbed to the absorbent cores place.Therefore, the disposable diaper 1 of the present embodiment is being very excellent aspect the anti-leak performance.
In view of the foregoing, disposable diaper 1 that we can say the present embodiment is most preferred in absorbent commodity according to the present invention.
The manufacture method of the disposable diaper of the present embodiment is now described.
The method of making the disposable diaper of the present embodiment may further comprise the steps:
Carry the continuum that is used on left and right relative side, forming first and second sheet materials of three-dimensional safe edge in parallel to each other,
The continuum that will be used to form the 3rd sheet material of preceding and the three-dimensional safe edge of rear side across is arranged on the continuum of described first and second sheet materials, form the composite sheet continuum of the ladder shape of first, second and the 3rd compoundization of sheet material wherein be used to form three-dimensional safe edge thus
Absorbent cores is inserted between leakproof sheet material continuum and the top layer material continuum, is formed the continuum of absorber thus,
Pre-position at the absorber continuum that obtains thus is provided with the composite sheet continuum, and final
Cut off the continuum of gained in the pre-position, obtain one absorbent commodity thus.
The description of second embodiment has only illustrated that its bottom 60 is positioned at the three-dimensional safe edge on the absorbent cores 4, but the present invention is not limited to this.Bottom 60 also can be positioned on the shank part 7.
In addition, the present invention is not limited in the disposable diaper that does not have gauffer in the shank part, can form gauffer therein.
By flat type disposable diaper second embodiment has been described, but the present invention should not only limit to this, it also is applicable to Breeches type disposable diaper and incontinence pad or the sanitary towel that comprises the left and right relative side of fixing seal absorber.
Second embodiment has been described the diaper that three-dimensional safe edge is all arranged at the front side of disposable diaper and rear side, and promptly, in the dorsal part and the veutro part of diaper three-dimensional safe edge is arranged all, but three-dimensional safe edge can only be arranged on the side.
In addition, can some otch perhaps be set vertically and/or transversely cutting apart absorbent cores.Particularly, absorbent cores can be provided with three banded rectangle absorbent cores by series connection and form, and forms otch at the both lateral sides or the two ends of diaper, stably keeps the formation of opening portion 12 thus, and prevents landing.
Described elastic part 64 is formed by a plurality of rope form elastomers, but also can use zonal elastomer.In addition, elastic part can be formed by the sheet material with elastic shrinkage.
Claims (4)
1, a kind of absorbent commodity, it comprises an absorber and a pair of three-dimensional safe edge, described absorber comprises liquid permeability top layer material, non-liquid permeability leakproof sheet material and liquid-keeping absorbent cores, and described three-dimensional safe edge has a vertically left side that is formed at described absorber, three-dimensional safe edge elastomer on the right both sides relatively, described absorber is provided with the scalable part of dorsal part on posterior components, described posterior components is positioned at the dorsal part of wearer in use, and described scalable part is to form by a plurality of dorsal part elastomers are set on the width of absorbent commodity, wherein
Described three-dimensional safe edge elastomer is separately positioned between the bottom and free margins acies of the free margins acies of described three-dimensional safe edge and three-dimensional safe edge, with predetermined interval a plurality of described three-dimensional safe edge elastomers is set along the free margins acies of described three-dimensional safe edge, and
Described three-dimensional safe edge elastomer is connected with the scalable part of dorsal part, makes that elastomeric end edge of this solid safe edge and described dorsal part elastomer are overlapping, and makes or assist described dorsal part elastomer stretching motion.
2, absorbent commodity as claimed in claim 1, wherein, the stress of described free margins acies is greater than elastomeric those the regional stress of all the other three-dimensional safe edges are set.
3, absorbent commodity as claimed in claim 1 wherein, is provided with a three-dimensional safe edge in posterior components, the wide elastomer portion of 30-200mm is arranged on the three-dimensional safe edge of described posterior components, as the scalable part of described dorsal part.
4, absorbent commodity as claimed in claim 3, wherein, veutro part also is provided with three-dimensional safe edge, and the three-dimensional safe edge that is arranged on the left and right relative side of described absorbent commodity interconnects with three-dimensional safe edge on the two ends side that is arranged on this absorbent commodity.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63344/1999 | 1999-03-10 | ||
| JP63344/99 | 1999-03-10 | ||
| JP11063344A JP2000254176A (en) | 1999-03-10 | 1999-03-10 | Absorptive article |
| JP102731/1999 | 1999-04-09 | ||
| JP102731/99 | 1999-04-09 | ||
| JP11102731A JP2000288013A (en) | 1999-04-09 | 1999-04-09 | Absorptive article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1266671A CN1266671A (en) | 2000-09-20 |
| CN1229089C true CN1229089C (en) | 2005-11-30 |
Family
ID=26404448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00102821 Expired - Fee Related CN1229089C (en) | 1999-03-10 | 2000-03-10 | Absorbent article |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1229089C (en) |
| TW (1) | TW576183U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1743610B1 (en) * | 2005-07-12 | 2009-03-25 | The Procter and Gamble Company | Low cost diaper with reduced sagging |
-
2000
- 2000-03-06 TW TW92216449U patent/TW576183U/en not_active IP Right Cessation
- 2000-03-10 CN CN 00102821 patent/CN1229089C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1266671A (en) | 2000-09-20 |
| TW576183U (en) | 2004-02-11 |
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