CN105307614A

CN105307614A - Absorbent article

Info

Publication number: CN105307614A
Application number: CN201380077003.9A
Authority: CN
Inventors: 中岛海阳; 卫藤友美
Original assignee: Unicharm Corp
Current assignee: Unicharm Corp
Priority date: 2013-05-27
Filing date: 2013-09-03
Publication date: 2016-02-03
Anticipated expiration: 2033-09-03
Also published as: WO2014192171A1; JP2014226457A; AU2013390918A1; MY182888A; JP5422768B1; CN105307614B; AU2013390918B2

Abstract

Provided is an absorbent article that has a thickness direction, a width direction, and a length direction and is used by being attached to underwear to absorb excreted liquid. The main body section of the absorbent article comprises an absorbent core that contains a liquid-absorbent material. The absorbent core has a protruding section, on the surface that faces the skin side in the thickness direction, that protrudes toward the skin side. The protruding section is formed in a ring shape that surrounds the central section in the length direction of the absorbent core and has, as the end sections in the width direction of the protruding section, a pair of linear portions that are aligned in the width direction and are parallel to the length direction. A leakage barrier section is provided along the length direction on the surface of the main body section facing the skin side in the thickness direction, and initial rise positions where the leakage barrier section begins to rise from such surface are set at positions corresponding to the linear portions.

Description

Absorbent commodity

Technical field

The present invention relates to a kind of absorbent commodity such as incontinence pad being installed on underwear and using.

Background technology

In the past, used disposable diaper as the absorbent commodity absorbing the discharged liquid such as urine.This diaper have formed by liquid-absorbent raw materials such as paper pulp fibers absorbent core, to cover the liquid permeability surface patch of absorbent core from the skin side of thickness direction and cover the opaque liquid back sheet of this core from non-skin side.In addition, the expansion shape of diaper is formed as the general hourglass shape with length direction, width, thickness direction.That is, the central part of length direction forms the shape attenuated in the direction of the width.And, the part attenuated is close between the thigh of wearer as crotch, be close to the hypogastric region of wearer as predecessor than the part of crotch near the front side of length direction, be close to the buttocks of wearer than crotch near the part of the rear side of length direction as rear body, be dressed in the lower part of the body of wearer thus.And usually, just directly wear the medicated clothing such as trousers, skirt thereon after wearing diaper, that is, this diaper is the absorbent commodity replacing the underwears such as medicated underpants and use.

Patent Document 1 discloses an example of this diaper.Figure 1A is the approximate vertical view of this diaper 101.In addition, Figure 1B is the B-B sectional view in Figure 1A, and absorbent core 111 is only shown.In this instance, the plan view shape of absorbent core 111 is formed as the general hourglass shape that narrows in the width direction in the position of the central part of length direction.And in this patent documentation 1, the structure about this absorbent core 111 discloses two examples.Namely, disclose each edge of the both sides of the width along absorbent core 111 as shown in Figure 1A and be formed with the structure of the protuberance 113,113 outstanding to skin side separately, and the structure being also formed with the protuberance 115 outstanding to skin side except above-mentioned a pair protuberance 113,113 on the edge of the front side of the length direction of absorbent core 111 as shown in Figure 1 C.And, in the former structure, the urine be trapped on the skin side of absorbent core 111 is blocked by utilizing each protuberance 113,113 of the both sides of width, thus can prevent from urinating the leakage at width, in addition, in the structure of the latter, can also prevent urine from leaking from the front of length direction further.

At first technical literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Application Publication 2006-526438 publication

Summary of the invention

Invent problem to be solved

But, particularly for adult, entertain very large psychology although exist conflict and the people that feels the necessity of still cannot using diaper for wearing diaper.

Therefore, recently, as the succedaneum of diaper, also use and be installed on underwear and the incontinence pad that uses.And, the use form of this incontinence pad and sanitary towel similar, that is, this pad is installed on underwear and by putting on this underwear thus diaper being worn on health.Therefore, can use with identical use sense with sanitary towel, use under the state can conflicted in the psychology do not felt as during use diaper.

But incontinence pad is used for light incontinence, for such disposable heavy incontinence product commercially rare supply of discharging a large amount of urine such as urgency incontinence.Therefore, when disposable discharged a large amount of urine, cannot the urinary retention of the complete amount of absorbability core transient absorption on the skin side of absorbent core, have that this urine is disposable flows to the both sides of width and the both sides of length direction and the risk spilt from the four directions of incontinence pad.

At this, as the method that the urine preventing this from cannot absorb spills from four directions, the structure of absorbent core 111 disclosed in the patent documentation 1 considering be applied in above-mentioned diaper to incontinence pad.

But, the disclosed two kinds of structures of patent documentation 1 each in, the protuberance 113,113,115 outstanding to skin side does not all have to surround the edge, periphery of absorbent core 111 throughout its complete cycle, thus exist cannot the urine of amount that absorbed immediately of absorbability core 111 from the risk not having the position of protuberance 113,113,115 externally to spill the skin side of this core 111.

In addition, as shown in Figure 1A, the each protuberance 113,113 being formed at each edge of the both sides of width is formed along the profile of the general hourglass shape of absorbent core 111, thus this protuberance 113,113 is not rectilinear form alongst, and the curved shape that the position forming width changes according to the position of length direction.Therefore, making the length direction of incontinence pad along the fore-and-aft direction of underwear while when this incontinence pad is installed on underwear, when this pad is installed on the position of departing from from the appropriate location underwear in the longitudinal direction, the effect that there is the urine of the blocking width that a pair protuberance 113,113 of arranging in the width direction plays from available degree originally change may, that is, there is the anti-leakage relative to the expection played when being installed on appropriate location and the risk significantly gone down.And the situation not correctly being installed on underwear so especially easily appears at and needs in the old people of incontinence pad.

The present invention makes in view of above-mentioned existing problem, even if its object is to need also can effectively to prevent when a large amount of discharged liquid of disposable discharge spilling externally in urgency incontinence etc., and when absorbent commodity is installed on underwear, though when with also can damage not significantly when being installed on the position of departing from from the appropriate location underwear in the longitudinal direction anti-leakage ground substantially play the anti-leakage of expecting.

For solving the scheme of problem

Main invention is in order to achieve the above object a kind of absorbent commodity, is installed on underwear and uses, and have thickness direction, width and length direction, it is characterized in that in order to absorbing and excreting liquid,

The main part of described absorbent commodity has containing the raw-material absorbent core of liquid-absorbent,

Described absorbent core has to the outstanding protuberance of described skin side on the face of the skin side towards described thickness direction,

Described protuberance is formed as the annular of the central part of the described length direction surrounding described absorbent core, and, as each end of the described width in described protuberance, be arranged with one group of straight section parallel on described length direction along described width

On the face of the skin side towards described thickness direction in described main part, described length direction is provided with leakproof wall portion, and described leakproof wall portion starts set-up positions from described face erects and is set in the position corresponding with described straight section.

About other features of the present invention, can be clear and definite by the record of this description and accompanying drawing.

Invention effect

According to the present invention, even if when urgency incontinence etc. is disposable discharged a large amount of discharged liquid, also can effectively prevent from externally spilling, and when absorbent commodity is installed on underwear, even if when departing from from the appropriate location this underwear in the longitudinal direction and install, the basic anti-leakage playing expection in anti-leakage ground also can be damaged not significantly.

Accompanying drawing explanation

Figure 1A be the both sides of width at absorbent core 111 each edge on be provided with the approximate vertical view of the diaper 101 of the patent documentation 1 of the protuberance 113,113 of blocking urine, Figure 1B is the B-B sectional view in Figure 1A, the approximate vertical view of to be the figure that absorbent core 111 is only shown, Fig. 1 C be this diaper 101 being also provided with protuberance 115 further in the front side of the length direction of absorbent core 111.

Fig. 2 is the approximate vertical view that plane earth expands the state of the incontinence pad 1 as the absorbent commodity of present embodiment.

Fig. 3 A is the A-A sectional view in Fig. 2, and Fig. 3 B is the B-B sectional view in Fig. 2, and Fig. 3 C is the C-C sectional view in Fig. 2.

Fig. 4 is the approximate vertical view of the incontinence pad 1 observed from non-skin side.

Fig. 5 is the approximate vertical view of the incontinence pad 1 of the position representing base end part 41b.

Fig. 6 A is the approximate vertical view of the structure in perspective representation incontinence pad 1 except absorbent core 11, and Fig. 6 B and Fig. 6 C is B-B sectional view in Fig. 6 A and C-C sectional view respectively, is the figure that absorbent core 11 is only shown.

Fig. 7 is the approximate three-dimensional map of incontinence pad 1, and the central part 1sC of the main part 1s of this pad 1 is to non-skin side depression, and this main part 1s represents the figure defining cup-shaped state.

Fig. 8 is the key diagram of the incontinence pad 1 of modified embodiment of the present embodiment, is the figure of the B-B sectional view be equivalent in Fig. 2.

Fig. 9 A is the approximate vertical view of the structure in the incontinence pad 1 of other embodiments of perspective representation except absorbent core 11, and Fig. 9 B and Fig. 9 C is B-B sectional view in Fig. 9 A and C-C sectional view respectively, is the figure that absorbent core 11 is only shown.

Detailed description of the invention

According to the record of this description and accompanying drawing, at least following item can be specified.

A kind of absorbent commodity, is installed on underwear and uses, and have thickness direction, width and length direction, it is characterized in that in order to absorbing and excreting liquid,

Towards on the face of the skin side of described thickness direction in described main part, described length direction is provided with leakproof wall portion, and described leakproof wall portion starts set-up positions from described face erects and is set in the position corresponding with described straight section.

According to such absorbent commodity, the protuberance of absorbent core is formed as annular in the mode of the central part surrounding length direction.Therefore, urgency incontinence etc. is disposable discharged a large amount of discharged liquid time, effectively can be blocked the discharged liquid of the complete amount of non-absorbability core transient absorption by the protuberance of annular.That is, discharged liquid can be temporarily stored in the space enclosed by protuberance.And, thereby, it is possible to obtain the time of this imbibition time quantum, thus preventing discharged liquid from spilling from main part until absorbent core absorbs the discharged liquid that is over, consequently, can effectively prevent discharged liquid from spilling from length direction and width.

In addition, protuberance is formed as annular, therefore, it is possible to make the space by this protuberance encloses expand formation continuously in the both sides of the middle position of length direction in the mode of the central part surrounding length direction.And, because the discharged liquid after discharging flows within this space, this discharged liquid long range diffusion in the longitudinal direction within the shorter time thus can be made.In addition, after this diffusion, the part of the absorbent core of the position that discharged liquid is flow to by self absorbs successively.Therefore, realize the expansion of the area of the absorbent core to the absorption contributing to discharged liquid as a whole, consequently, the absorbtivity of time per unit can be increased, so also can contribute to improving the anti-leakage relative to above-mentioned urgency incontinence etc.

In addition, protuberance is formed as annular in the mode of surrounding central part, and therefore, in protuberance, the half portion of the end side of length direction can form mutually roughly the same shape with the half portion of another side.Therefore, when absorbent commodity is installed on underwear, even if when wearer has mistaken the end side of the length direction of absorbent commodity and another side and has installed absorbent commodity on the contrary with direction originally, also can, according to the roughly symmetric shape of the protuberance of above-mentioned length direction, the leak preventing effect of absorbent commodity be worn not significantly impairedly, with keeping the anti-leakage of expection.That is, anti-effect of misdrawing can also be played by this absorbent commodity.

In addition, protuberance is arranged with one group of parallel in the longitudinal direction straight section in the width direction.Therefore, when absorbent commodity is installed on underwear by wearer, even if when being installed on the position of departing from from appropriate location in the longitudinal direction, also the blocking effect in the direction of the width substantially not making one group of straight section obtain changes, thus, protuberance also can play the anti-leakage of expection in this case.

In addition, in main part, be provided with leakproof wall portion on the face of skin side, the beginning set-up positions of this leakproof wall portion is set in the position corresponding with the straight section of the above-mentioned protuberance of absorbent core.Therefore, leakproof wall portion and straight section are worked in coordination with mutually, can play function as high stop part, so also effectively can improve the anti-leakage of width.

Preferably, in this absorbent commodity, the space enclosed by described protuberance throughout an end of the length direction from described absorbent core until the position of the other end and continued presence.

According to such absorbent commodity, the space enclosed by protuberance is throughout from an end of length direction until the position of the other end and continued presence.Therefore, it is possible to guarantee greatly by this space, thus, the capacity allowing to temporarily store discharged liquid is large.And, consequently, can reliably obtain until absorbent core absorbs the time of the discharged liquid that is over.

Preferably, in this absorbent commodity, described protuberance is arranged along the edge, periphery of described absorbent core.

According to such absorbent commodity, protuberance is arranged along the edge, periphery of absorbent core.Therefore, when absorbent core exists restriction on overall dimensions, under this restriction, can the space enclosed by protuberance be ensured maximum, thereby, it is possible to the capacity allowing to temporarily store discharged liquid is maximum.Therefore, it is possible to reliably obtain until absorbent core absorbs the time of the discharged liquid that is over.

Preferably, in this absorbent commodity, in described main part, on the face of the non-skin side of described thickness direction, be provided with the adhesive portion for described main part being installed on described underwear,

When observing from described thickness direction, overlapping with described adhesive portion at least partially in the described straight section of described protuberance.

According to such absorbent commodity, observe from thickness direction, the straight section of protuberance overlapping with adhesive portion at least partially.Therefore, at least a part for the straight section of protuberance is constrained to substantially irremovable relative to underwear.Therefore, when wearer has put on underwear, underwear along wearer thigh between, straight section and the leakproof wall portion that erects on this straight section also thereupon along wearer thigh between, consequently, straight section and leakproof wall portion can be formed the state be roughly close between the thigh of wearer.And, thereby, it is possible to more effectively prevent discharged liquid from spilling from length direction and width.

Preferably, in this absorbent commodity, multiple described absorbent core is overlapping along described thickness direction.

According to such absorbent commodity, can by protuberance can imbibition capacity guarantee high while, also can suppress the sense of discomfort caused by protuberance when wearing.Described in Details as Follows.When the projecting height of protuberance is high, strong collision between protuberance and the thigh of wearer thus easily make wearer produce sense of discomfort.On the other hand, if the projecting height of protuberance sets low, then probably exist protuberance can imbibition capacity reduce risk.At this, encounter when wearing between thigh just near the absorbent core of the position of skin side.Therefore, if the absorbent core through-thickness overlap making this reduce projecting height while making the projecting height of the protuberance of each absorbent core reduce is multiple, what then can determine in the aggregate value of projecting height improving protuberance can while imbibition capacity, suppresses the sense of discomfort between the thigh that determined by the projecting height of the protuberance of an absorbent core.

Preferably, in this absorbent commodity, described leakproof wall portion has the sheet component that arranges along described length direction and under the state along described elongated lengthwise, is fixed on the elastomeric element of described sheet component,

When described elastomeric element shrinks from described state of having extended, by the contractility being applied to described sheet component, described sheet component shrinks along described length direction and erects from the described face of described main part,

Described contractility throughout the prescribed limit of described length direction total length and be applied in,

Being included at least partially in described prescribed limit of each end of the described length direction in described protuberance.

According to such absorbent commodity, each end of the length direction in protuberance by elastomeric element contractility and be raised to skin side separately, thereby, it is possible to make the gap smaller between skin side.Therefore, the discharged liquid flowed along its length reliably can be blocked by each end of above-mentioned length direction.

Preferably, in this absorbent commodity,

Described main part has and is arranged on than the liquid permeability surface patch of described absorbent core near the skin side of described thickness direction,

In described main part, on the face of the skin side of described thickness direction, depression is formed with compression unit, and described surface patch and described both absorbent cores are formed passing through from the compression of the skin side of described thickness direction by described compression unit together,

Preferred described compression unit is arranged at the central part of the described width of the part enclosed by described protuberance in described main part along described length direction.

According to such absorbent commodity, on the central part of the part enclosed by above-mentioned protuberance in main part, be formed with compression unit from skin side.Therefore, using this compression unit as folding starting point, main part bends in the mode caved in non-skin side in the substantial middle position of width, thereby, it is possible to expand the space enclosed by protuberance.And, consequently, this space can be utilized temporarily to store urine more reliably.

Preferably, in this absorbent commodity, described absorbent core makes described liquid-absorbent raw material stacked and formed along described thickness direction according to the distribution pattern of weight per unit area,

Be set as in the plane of normal direction by described thickness direction, the weight per unit area with the position of described protuberance is greater than the weight per unit area of the position without described protuberance.

According to such absorbent commodity, there is the weight per unit area (g/m of the position of protuberance ²) be greater than the weight per unit area of the position without protuberance.Therefore, compared with the position enclosed by protuberance in the position without protuberance, the swelling quantity of position after imbibition with protuberance is large.Therefore, even if after the imbibition of discharged liquid, because the position with protuberance is more outstanding to skin side, thus can the space enclosed by protuberance be guaranteed greatly.And, consequently, when next time discharges discharged liquid also can by cannot the complete discharged liquid of absorbability core transient absorption no problem be temporarily stored in this space.

Present embodiment

Fig. 2 is the approximate vertical view that plane earth expands the state of the incontinence pad 1 as the absorbent commodity of present embodiment.In addition, Fig. 3 A is the A-A sectional view in Fig. 2, and Fig. 3 B is the B-B sectional view in Fig. 2, and Fig. 3 C is the C-C sectional view in Fig. 2.

As shown in Figure 2, incontinence pad 1 has length direction, width and thickness direction as three mutually orthogonal directions.And the plan view shape specified by length direction and the width of incontinence pad 1 is formed as roughly rectangle as an example of perpendicular microscler shape.

In addition, below, about thickness direction, with the side of human contact also referred to as " skin side ", the side contacted with underwear is also referred to as " non-skin side ".In addition, length direction is also referred to as " fore-and-aft direction ", and width is also referred to as " left and right directions ".In addition, when being dressed in human body, the front side of the length direction of incontinence pad 1 is towards the veutro of human body, and rear side is towards the dorsal part of human body.In addition, the size of the length direction of incontinence pad 1 is longer than the size of width, and the size of width is longer than the size of thickness direction.

As shown in Fig. 2 and Fig. 3 B, incontinence pad 1 has the main part 1s being installed on underwear in use.Main part 1s have is formed by the liquid-absorbent raw material absorbing urine absorbent core 11, from the liquid permeability surface patch 21 of the skin side of thickness direction covering absorbent core 11 and the opaque liquid back sheet 31 covering this core 11 from non-skin side.

Following mixture is such as configured as an example substantially rectangular plate shaped as regulation shape by absorbent core 11, and described mixture mixes as two kinds of raw-material liquidabsorbing fibres of liquid-absorbent and liquid-absorbent shot-like particle.In this instance, use paper pulp fiber as liquidabsorbing fibres, in addition, use superabsorbent polymer (hereinafter also referred to SAP) as liquid-absorbent shot-like particle, but be not limited in this.Such as, as the former liquidabsorbing fibres, cotton can be used to wait the semisynthetic fibre cellulose fibers such as the regenerated celulose fibre such as cellulose fibre, artificial silk, acetate fiber, in addition, as the liquid-absorbent shot-like particle of the latter, the shot-like particle of the liquid-absorbent beyond SAP can be used.

In addition, in this instance, this liquidabsorbing fibres mixes with the proportioning of 1:1 (weight ratio) with SAP, also can be proportioning in addition, can also only containing any one.In addition, also can except above-mentioned two kinds of liquid-absorbent raw materials, or replace either party and mix the liquid-absorbent raw material of other kinds.In addition, in this instance, although absorbent core 11 is not covered by liquid-permeable sheet such as tissue papers, also can be capped.In addition, in this instance, although do not arrange, between absorbent core 11 and surface patch 21, as liquid permeability second, also suitable non-woven fabrics or tissue paper etc. can be inserted.

And as an improvement of present embodiment, the shape having enumerated this absorbent core 11 is example, will be explained hereinafter this.

As shown in Fig. 2 and Fig. 3 B, surface patch 21 is that urine, the promptly through-thickness blocking to go out from body discharges sucks and guide the structure to absorbent core 11, such as, use roughly rectangular that is greater than the plan view shape of absorbent core 11.For the raw material of this surface patch 21, use the such as non-woven fabrics such as hot-wind nonwoven cloth, spun-bonded non-woven fabrics, as the formation fiber of non-woven fabrics, use the such as thermoplastic resin such as polyethylene, polyethylene terephthalate fiber.In addition, the skin side of surface patch 21 is formed the compression unit E formed from both the skin side of thickness direction together compaction table dough sheet 21 and absorbent core 11, and thus, surface patch 21 is integrated with both absorbent cores 11 to be engaged.In addition, the rock mechanism forming this compression unit E is also an emphasis of present embodiment, will be explained hereinafter this.

The approximate vertical view of the incontinence pad 1 observed from non-skin side is shown at Fig. 4.As shown in Fig. 4 and Fig. 3 B, back sheet 31 prevents from urinating the leakage prevention sheet 31 leaked from the non-skin side of the main part 1s of incontinence pad 1, and its plan view shape is the roughly rectangle being greater than absorbent core 11.That is, its edge, periphery is overflowed to than absorbent core 11 position in the outer part throughout complete cycle.And, under the state that this back sheet 31 carries absorbent core 11, such as engaged with surface patch 21 by modes such as hot melts on each end of length direction and each end of width, thus, maintain absorbent core 11 between sheet 31 and surface patch 21 overleaf.In addition, the structure maintaining the state of absorbent core 11 between this back sheet 31 and surface patch 21 is equivalent to the main part 1s of aforementioned incontinence pad 1.As the raw material of this back sheet 31, use such as the thermoplastic resin such as polyethylene, polyethylene terephthalate as raw-material thin slice.

In addition, the non-skin side of sheet 31 is overleaf formed for incontinence pad 1 is immovably installed on underwear only partially by adhesive portion 33,33.Should only partially such as pass through thermosol class adhesive applicating to be formed in the assigned position of the non-skin side of back sheet 31 by adhesive portion 33,33, should also be only an emphasis of present embodiment partially by the forming position of adhesive portion 33,33, this be will be explained hereinafter.

As shown in Fig. 2 and Fig. 3 B, for the main part 1s of incontinence pad 1, to prevent from urinating for the purpose of the side leakage of width, corresponding with each end of the width of absorbent core 11, be provided with a pair leakproof wall portion 40,40.The lateral plate 41,41 (being equivalent to sheet component) that a pair leakproof wall portion 40,40 is made up of the SMS non-woven fabrics etc. having carried out water-proofing treatment etc. is respectively formed.Each lateral plate 41,41 is arranged from each end of the width of skin side covering surfaces sheet 21 along its length.And, in the position that each end of the width with absorbent core 11 is corresponding, be fixed on surface patch 21 by modes such as hot melts, thus, be formed with base end part 41b.In addition, the part 41f extended to the substantial middle side of width from this base end part 41b is free end portion 41f, that is, this part 41f forms leakproof wall portion 40 substantially.On the other hand, the part 41s extended to the side of width from this base end part 41b arrives the ora terminalis of the width of incontinence pad 1, and this part is overlapping with surface patch 21 or back sheet 31, and this ora terminalis is engaged with surface patch 21 or back sheet 31 by modes such as hot melts.

At this, for free end portion 41f, the elastomeric elements such as rubber covered wire alongst 45 utilize thermosol class bonding agent to fix under elongation state.Therefore, if surface patch 21 side makes incontinence pad 1 bend along its length in the mode becoming inner circumferential side, then elastomeric element 45 shrinks along its length and applies this contractility to free end portion 41f, so, free end portion 41f shrinks along its length and erects from surface patch 21, and this free end portion 41f plays function as leakproof wall portion 40 thus.In addition, in the example of Fig. 3 B, free end portion 41f and base end part 41b is formed as two overlapping lateral plates 41 by folding, and, although be inserted with elastomeric element 45 between two superimposed sheets of free end portion 41f, be not limited in this.

In addition, base end part 41b is represented with hatching in the approximate vertical view of Fig. 5, but in this example, for the size of the width of base end part 41b, the leading section 41b1 of length direction and rearward end 41b2 sets wide, on the other hand, the pars intermedia 41b3 between these leading sections 41b1 and rearward end 41b2 sets narrow in the mode that the center side of width caves in.And, thus, raising at pars intermedia 41b3 with erecting high-priority of leakproof wall portion 40, thus the optimization of seeking the ponding of urinating, but be not limited in this.Such as, the size of the width of base end part 41b also can be formed as being formed as one fixed width endlong throughout length direction.

In addition, as shown in Fig. 2, Fig. 3 A and Fig. 3 C, under the state that leading section 41fa in free end portion 41f and rearward end 41fb is poured on base end part 41b, thermosol class bonding agent etc. is utilized to engage with this base end part 41b fixing, thus, leading section 41fa and rearward end 41fb forms the non-rising portions do not erected.Therefore, the contractility of elastomeric element 45 mainly contains the mid portion 41fm being selectively applied to and being present between leading section 41fa in free end portion 41f and rearward end 41fb, and this mid portion 41fm is formed as shrinking and erecting as leakproof wall portion 40.

Be more than the explanation carried out the basic comprising of the incontinence pad 1 of present embodiment, the incontinence pad 1 of present embodiment makes the anti-leakage of the discharge of the urine a large amount of relative to urgency incontinence etc. be improved according to various improvement, be described below for it.

First, the improvement of absorbent core 11 is described.Fig. 6 A is the approximate vertical view of the structure in perspective representation incontinence pad 1 except absorbent core 11.In addition, Fig. 6 B and Fig. 6 C is B-B sectional view in Fig. 6 A and C-C sectional view respectively, and each figure only illustrates absorbent core 11.

As mentioned above, the plan view shape of absorbent core 11 is roughly rectangles.But as shown in Fig. 6 A to Fig. 6 C, this absorbent core 11 has protuberance 11P outstanding to skin direction on skin side, and the complete cycle ground of this protuberance 11P throughout the edge, periphery of the skin side of absorbent core 11 is formed continuously.And thus, protuberance 11P is formed as annular to surround absorbent core 11 in the mode of the central part 11C of length direction.

Therefore, when a large amount of urine such as urgency incontinence is by disposable discharge, effectively can be blocked by the protuberance 11P of annular cannot the urine of the complete amount of absorbability core 11 transient absorption.That is, the space S P11 that can be temporarily stored in being surrounded by protuberance 11P is urinated.And, thereby, it is possible to obtain the time of this soak time amount, thus prevent urine from spilling from the main part 1s of incontinence pad 1 until absorbent core 11 absorbs the urine that is over, consequently, can effectively prevent urine from spilling from length direction and width.

In addition, protuberance 11P is formed along the edge, periphery of absorbent core 11, therefore on the front side and rear side of the both sides of the middle position CLL of length direction, is expanded formation continuously by the space S P11 that this protuberance 11P encloses respectively.That is, this space S P11 in absorbent core 11 throughout the position from the leading section of length direction to rearward end continued presence.And, by making the urine after discharge flow through this space S P11, make within the shorter time this urine diffuse on length direction on a large scale in.In addition, after this diffusion, urinate by self the part of the absorbent core 11 on the position that flow to absorb successively.Therefore, achieve and the area of the absorbent core 11 contributing to the absorption of urinating as a whole is expanded, consequently, the absorbtivity of time per unit can be increased, so also can contribute to improving the anti-leakage relative to above-mentioned urgency incontinence.

In addition, as shown in Figure 6A, in the protuberance 11P of annular, the half portion of the front side of length direction is made to form mutually roughly the same shape with the half portion of rear side.Therefore, when incontinence pad 1 is installed on underwear, even if when wearer has mistaken the front side of the length direction of incontinence pad 1 and rear side and has installed incontinence pad 1 on the contrary with direction originally, also can, according to the roughly symmetric shape of the protuberance 11P of above-mentioned length direction, the leak preventing effect of incontinence pad 1 be worn not significantly impairedly, with keeping the anti-leakage of expection.That is, can also play by this incontinence pad 1 and anti-misdraw effect.

In addition, protuberance 11P is arranged with parallel in the longitudinal direction a pair the 1st straight section 11P1,11P1 (being equivalent to straight section) in the width direction as each end of width, and as each end of length direction, be arranged with parallel in the direction of the width a pair the 2nd straight section 11P2,11P2 along its length.Such as, each 1st straight section 11P1,11P1 has roughly trapezoidal cross sectional shape respectively, this cross sectional shape remains certain along its length, and it is continuous abreast along its length, in addition, each 2nd straight section 11P2,11P2 also has roughly trapezoidal cross sectional shape respectively, and this cross sectional shape remains certain in the width direction, and continuous abreast in the width direction.

Therefore, when incontinence pad 1 is installed on underwear by wearer, even if when being installed on the position of departing from from appropriate location in the longitudinal direction, the blocking effect of the urine in the direction of the width of these a pair the 1st straight section 11P1,11P1 gained can not substantially be made to change yet, thus, even if when this position is departed from, the anti-leakage of expection also can be played.

In addition, as mentioned above, the plan view shape of the 1st straight section 11P1 is the band shape being parallel to length direction, and in addition, the plan view shape of the 2nd straight section 11P2 is the band shape being parallel to width.That is, each each comfortable skin side in the 1st straight section 11P1 and the 2nd straight section 11P2 has banded end face 11P1t, 11P2t, at this, the width dimensions of each end face 11P1t, 11P2t is set to such as more than 10mm.And, if set like this, can reliably block the urine reaching protuberance 11P.

In addition, the projecting height L11P of the protuberance 11P as shown in Fig. 6 B and Fig. 6 C is preferably set in the scope of 0.5mm ~ 5mm, is more preferably set in the scope of 1.5mm ~ 3mm, in this instance, desired value is set as 2.0mm.And, if be set in such scope, can solve when less than the problem produced when 0.5mm, namely, the problem of deficiency in the space of the urine before temporary safe-keeping absorbs, in addition, can solve when more than the problem produced when 5.0mm, that is, the problem of the sense of discomfort when contacting the skin of wearer.

And, in the present embodiment, although throughout protuberance 11P complete cycle the projecting height L11P of protuberance 11P is set as necessarily, being not limited in this, the projecting height L11P of protuberance 11P also can be made different according to position.In addition, above-mentioned projecting height L11P refers to the height under the no load condition (naturalness) not acting on protuberance 11P in the external force of all, and this is also identical with the width dimensions of above-mentioned protuberance 11P.

In addition, difference according to circumstances, as shown in Figure 6B, can make the width dimensions of the end face 11P2t of the 2nd straight section 11P2 be greater than the width dimensions of the end face 11P1t of the 1st straight section 11P1, so, can reliably block easily along the urine that the length direction of incontinence pad 1 flows.In this instance, the width dimensions of the end face 11P1t of the 1st straight section 11P1 is set to 15mm, and the width dimensions of the end face 11P2t of the 2nd straight section 11P2 is set to 52mm.

The formation with the absorbent core 11 of such protuberance 11P makes the raw-material weight per unit area (g/m of liquid-absorbent as the constituent material of this core 11 by the position corresponded on the skin side of absorbent core 11 ²) different and realize.Namely, thickness direction is being set in the plane of normal direction, be greater than the distribution pattern of the patten's design weight per unit area of the weight per unit area of the position not having protuberance 11P with the weight per unit area of the position with protuberance 11P, make according to this distribution pattern liquid-absorbent raw material through-thickness stacked and form this absorbent core 11.

And if formed like this, being compared by the position that protuberance 11P encloses of the position without protuberance 11P of coexisting, the swelling quantity of position after absorbing urine with protuberance 11P is large.Therefore, even if after this urine of absorption, the position with protuberance 11P is more outstanding to skin side, thereby, it is possible to the space S P11 enclosed by protuberance 11P is maintained in large state.And, consequently, also space S P11 can will cannot be temporarily stored in without any problem by the complete urine of absorbability core 11 transient absorption when next time discharges urine.

At this, preferably, the weight per unit area of the position with protuberance 11P can be set as 1.2 ~ 4.0 times of the weight per unit area of the position without protuberance 11P.And.If set in this wise, can effectively avoid following problem.First, when less than 1.2 times, can produce and be difficult to the projecting height L11P of protuberance 11P is guaranteed greatly and is difficult to play the problem of sufficient anti-leakage, in addition, when more than 4.0 times, the poor rigidity had between the position of protuberance 11P and the position without protuberance 11P becomes large and causes the problem that easily do not feel well when wearing incontinence pad 1, if but be set as 1.2 ~ 4.0 times as described above, then can avoid these problems.

In addition, mention concrete numerical value, such as, the weight per unit area of the position with protuberance 11P is set as 550 ~ 850 (g/m ²) scope, the weight per unit area of the position without protuberance 11P is set as 200 ~ 500 (g/m ²) scope.

Next, the improvement for leakproof wall portion 4 is described.As shown in Figure 5, leakproof wall portion 40 starts the position that set-up positions 41be from surface patch 21 erects is the edge 41be of the center side of width in the base end part 41b of leakproof wall portion 40, but in the present embodiment, as the improvement of leakproof wall portion 40, this is started set-up positions 41be and be set as the position corresponding with the 1st straight section 11P1 of the protuberance 11P of absorbent core 11.Specifically, beginning set-up positions 41be is positioned to the position be positioned on the end face 11P1t of the 1st straight section 11P1, the base end part 41b of leakproof wall portion 40 is fixed on surface patch 21 simultaneously.Then, so, then leakproof wall portion 40 and the 1st straight section 11P1 can be made mutually to work in coordination with, play function as high occlusion part, and improve the anti-leakage of width thus.

In addition, with reference to Fig. 2 above, describe the situation (Fig. 2) of " the mid portion 41fm between the leading section 41fa in free end portion 41f and rearward end 41fb erects by elastomeric element 45 ", at this, when the scope of the length direction using above-mentioned mid portion 41fm is as prescribed limit Rm, preferably, comprise in this prescribed limit Rm a pair the 2nd straight section 11P2,11P2 (being equivalent to " each end of the length direction in protuberance ") of the protuberance 11P of absorbent core 11 at least partially.

And so, by the contractility of elastomeric element 45, each 2nd straight section 11P2,11P2 is raised separately to skin side, thereby, it is possible to make the gap smaller between the skin of wearer.Therefore, the urine flowed along its length reliably can be blocked by each end of the length direction of each 2nd straight section 11P2,11P2.

Next, to being only partially described with the improvement of adhesive portion 33.As shown in Figure 4, this be only thermosol class bonding agents of the prescribed limit of the non-skin side being coated on back sheet 31 partially by adhesive portion 33.And, in the example of fig. 4, in the left and right of width, only partially the separating predetermined distance by adhesive portion 33,33 in the mode of the Central Line CLW clipping width of a pair band shape and until the position of rearward end is formed continuously from the leading section of back sheet 31.

At this, in the present embodiment, when observing incontinence pad 1 from thickness direction, be respectively only partially configured to overlapping with a part of the 1st straight section 11P1 of absorbent core 11 by adhesive portion 33,33.Specifically, as shown in the hatching in Fig. 4, respectively only partially with the part of the side of the width in adhesive portion 33 be configured to respectively with the partly overlapping of the center side of the width in hithermost 1st straight section 11P1.

Therefore, the part of the center side of the width at least in the 1st straight section 11P1 is constrained to substantially irremovable relative to underwear, thus, when wearer has put on underwear, this underwear along wearer thigh between, the 1st straight section 11P1 and the leakproof wall portion 40 that erects on the end face 11Pt of the 1st straight section 11P1 also thereupon along wearer thigh between.And, as its result, the 1st straight section 11P1 and leakproof wall portion 40 can be formed the state be roughly close between the thigh of wearer, more effectively prevent urine from leaking from length direction and width.

But, be only partially not limited in above-mentioned a pair belt pattern with the rock mechanism of adhesive portion 33.Such as, also by only partially also applying thermosol class bonding agent with on the position between adhesive portion 33,33 at a pair, can will stop and partially forming continuous print region in the width direction by adhesive portion 33.In addition, also by only partially suitably setting by the size of the width of adhesive portion 33, can be formed only partially by adhesive portion 33 in the mode all overlapping with the 1st straight section 11P1 when observing from thickness direction.And if formed in this wise, the 1st straight section 11P1 is restricted to more irremovable relative to underwear, thereby, it is possible to improve above-mentioned action effect further.

Next, the improvement of the compression unit E of his-and-hers watches dough sheet 21 is described.With reference to Fig. 2 and as mentioned above, on the skin side of surface patch 21, be formed with the compression unit E from both the skin side of thickness direction together compaction table dough sheet 21 and absorbent core 11.And, in the present embodiment, in the main part 1s of incontinence pad 1 width of the part that the protuberance 11P of absorbability core 11 encloses central part 1sCw on, as the one of above-mentioned compression unit E, the 1st compression unit E1 is formed point-blank along its length.Such as, in the figure 2 example, the 1st compression unit E1 has multiple (three) long groove portion H1, H1, H1 along its length, and each groove portion H1 is formed with state spaced apart between groove portion H1 adjacent along its length.In addition, this groove portion H1 is formed at than the part of Central Line CLL near front side and the part of rear side respectively in the mode of the Central Line CLL clipping the length direction of the main part 1s of incontinence pad 1.

And, if form the 1st such compression unit E1, as the thigh tightening force from the wearer putting on underwear, the main part 1s of incontinence pad 1 is then applied to towards the power F both sides in the width direction of the center side of width, as shown in the approximate three-dimensional map of Fig. 7, using the 1st compression unit E1 as folding starting point, the main part 1s of incontinence pad 1 bends in the mode caved in non-skin side in the substantial middle position of width, thereby, it is possible to expand the space S P11 (Fig. 6 A to Fig. 6 C) enclosed by protuberance 11P.And, consequently, this space S P11 can be utilized temporarily to store urine more reliably.

At this, preferably, as shown in the example of figure 2, on each end of the length direction in the part enclosed by protuberance 11P, 2nd compression unit E2, E2 arranges a pair formation in the width direction, and, each 2nd compression unit E2 be configured to along with the center side from length direction towards side center side in the width direction towards side.In addition, in this instance, the 2nd compression unit E2 with throughout endlong continuously become a continuous print groove portion form formed.

And if form the 2nd such compression unit E2, then when above-mentioned thigh tightening force F effect is to main part 1s, by the 2nd compression unit E2 and above-mentioned 1st compression unit E1 synergism, it is cup-shaped that this main part 1s is deformed into as shown in Figure 7.That is, the central part 1sC on the length direction of main part 1s and two directions of width forms the shape to non-skin side depression.And, thus, although above-mentioned central part 1sC is separated between thigh, each end 1sWe, 1sWe of each end 1sLe, the 1sLe of the length direction in the part beyond this central part 1sC, i.e. main part 1s and width are formed respectively and the state be close between the hypogastric region of wearer, buttocks and thigh.That is, the space roughly closed is marked off between main part 1s and thigh synergistically.Therefore, urgency incontinence etc. the urine of the complete amount of absorbability core 11 transient absorption cannot be reliably temporarily stored in this space.

And, as follows according to the cup-shaped reason that above-mentioned 1st compression unit E1 and the 2nd compression unit E2, main part 1s are easily formed as shown in Figure 7.

First, the power F (Fig. 2) of the center side towards width between the thigh from wearer double side acting is in the width direction in time being installed on the main part 1s of incontinence pad 1 of underwear, as shown in Figure 7, main part 1s is bent into paddy shape at the central part 1sC of width in the mode caved in non-skin side because of the 1st compression unit E1.

On the other hand, than each several part of this central part 1sC near the side of length direction, be respectively arranged with a pair the 2nd compression units E2, E2, these a pair the 2nd compression units E2, E2 are based on this roughly V-arrangement, along with the side towards length direction, the 2nd compression unit E2, E2 interval is each other opened lentamente.Therefore, in these each several parts, the impact of the paddy shape bending caused because of the 1st compression unit E1 relaxes lentamente along with the side towards length direction, thus, than a pair the part of the 2nd compression unit E2, E2 near the side of length direction and end 1sLe, 1sLe to be formed along the basic plane specified by length direction and width plane.And, as its result, each end 1sWe, 1sWe of each end 1sLe, 1sLe of the length direction of the part beyond above-mentioned central part 1sC, i.e. main part 1s and width are close to respectively and between the hypogastric region of wearer, buttocks and thigh, and main part 1s is deformed into above-mentioned central part 1sC from the shape be separated between thigh simultaneously.That is, main part 1s is formed cup-shaped.

In addition, in Fig. 2 and Fig. 7, although do not illustrate in detail, the groove portion H1 of the 1st compression unit E1 and the groove portion of the 2nd compression unit E2 have the mutually different deep of the degree of depth and superficial part separately.But be not limited in this.That is, the degree of depth in groove portion also can throughout being formed regularly endlong.In addition, difference according to circumstances, the 1st compression unit E1 and the 2nd compression unit E2 also can be formed as the depressed part of multiple islands shape, and in addition, the shape of the bottom surface of each depressed part also can be circular or rectangle.

Such incontinence pad 1 utilizes suitable manufacturing installation and manufactures as follows.

First, fiber accumulations device is utilized to generate absorbent core 11.Specifically, fiber accumulations device has and such as upper surface is adsorbed belt conveyer that object conveyor carries and configuration above it and the swing roller rotated as conveyor surface.

Swing roller has depressed part on outer peripheral face, and depressed part has the raw-material adsorption function of adsorptive liquid absorbability.In addition, on the bottom of depressed part, darker depressed part is corresponding with the protuberance 11P of above-mentioned absorbent core 11 to be formed.Thus, adsorbed by the depressed part of this outer peripheral face and pile up the liquid-absorbent raw material scattered from suitable conduit, generating the absorbent core 11 with the protuberance 11P of above-mentioned annular.And the absorbent core 11 generated utilizes belt conveyer and is transferred the downstream to throughput direction.

In the assigned position in the downstream of throughput direction, the continuum of the surface patch 21 that the continuum of a pair lateral plate 41 assembles collaborates from below.That is, the continuum of each lateral plate 41 is fixed on the both sides of the width of the continuum of surface patch 21 respectively by modes such as hot melts, in addition, on the continuum of each lateral plate 41, is fixed with elastomeric element 45,45 having extended under state ...And, the continuum of such surface patch 21 is placed with absorbent core 11.And after this, this absorbent core 11 is integrated with surface patch 21 one-tenth and carries along throughput direction, thus, is transported to the embossing roller device in the downstream of throughput direction.

Embossing roller device such as has the roller of a pair up and down of rotation, on the outer peripheral face of lower roll wherein, is provided with the jut of the shape corresponding with compression unit E such as the 1st compression unit E1.Therefore, when by embossing roller device, both the continuum of surface patch 21 and absorbent core 11 are formed with compression unit E, and, by the downstream of carrying further to throughput direction.

In the assigned position in the downstream of throughput direction, the continuum of back sheet 31 collaborates from top.And, the continuum of back sheet 31 covers the continuum that placed the surface patch 21 of absorbent core 11 from top, thus form the state being inserted with absorbent core 11 between the continuum of surface patch 21 and the continuum of back sheet 31, and be transported to the side sealing apparatus in its downstream with keeping this state.

And; in this moment; the non-skin side of sheet 31 is overleaf coated with thermosol class bonding agent etc.; thus; although defined only partially by adhesive portion 33,33; but for protection, this only uses the object of the cementability of adhesive portion 33,33 partially, and this adhesive portion 33,33 is stripped the screening glass such as sheet and covers.

Side sealing apparatus such as has the roller of a pair up and down of rotation, the outer peripheral face of lower roll is wherein provided with the jut of the shape corresponding with the contour shape of incontinence pad 1.Therefore, when by side sealing apparatus, the continuum of surface patch 21 and the continuum of back sheet 31 are engaged by modes such as mutual hot melts on the suitable position in each end of the length direction with incontinence pad 1 and each end of width.And thus, generate the continuum having incontinence pad 1, the continuum of this incontinence pad 1 is transferred the die cutting device in the downstream to throughput direction further.

This die cutting device has the pair of rolls of rotation, on the outer peripheral face of the roller of this side, has the punching cutter of the shape corresponding with the contour shape of incontinence pad 1.Therefore, when the continuum of incontinence pad 1 is by die cutting device, by punching cutter from the continuum of incontinence pad 1 die-cut incontinence pad 1 respectively, thus, individual incontinence pad 1 is generated.

Fig. 8 is the key diagram of the incontinence pad 1 of modified embodiment of the present embodiment.And this Fig. 8 is the figure of the B-B sectional view be equivalent in Fig. 2.

In the above-described embodiment, the structure of absorbent core 11 is the monolayer constructions will only with one deck absorbent core 11, for this point, the structure of the absorbent core 11 of this variation has two layers of multiple two absorbent cores 11,11 as an example to construct different from through-thickness overlap as shown in Figure 8.In addition, in addition to this, substantially identical with above-mentioned embodiment.Therefore, below identical Reference numeral is marked to the formation identical with above-mentioned embodiment, this is omitted the description.

As shown in Figure 8, two absorbent cores 11,11 respective plan view shapes are substantially identical shape mutually, and in addition, each absorbent core 11,11 has complete cycle throughout its edge, periphery and the protuberance 11P of the annular outstanding to the skin side of thickness direction.And mutual edge, periphery is positioned to overlap each other, meanwhile, two absorbent core 11,11 through-thickness are overlapping.In addition, when being covered by liquid-permeable sheet such as tissue papers, these two absorbent cores 11,11 are covered together by this sheet two under the state of overlap.

And, according to this variation, can by protuberance 11P can imbibition capacity guarantee high while, the sense of discomfort that protuberance 11P when also can suppress because wearing causes.Specifically as described below.When the projecting height L11P of protuberance 11P is high, strong collision between protuberance 11P and the thigh of wearer, thus easily make wearer produce sense of discomfort.On the other hand, protuberance 11P projecting height L11P reduce time, probably exist protuberance 11P can imbibition capacity reduce risk.At this, encounter the absorbent core 11 be only positioned near skin side between thigh when wearing.Therefore, while the projecting height L11P of the protuberance 11P of each absorbent core 11,11 is reduced to such as half, if absorbent core 11,11 through-thickness making this projecting height L11P reduce is overlapped into two, then by protuberance 11P, the aggregate value of the projecting height L11P of 11P substantially determine can imbibition capacity maintain high while, the sense of discomfort between the thigh that substantially determined by the projecting height L11P of the protuberance 11P of an absorbent core 11 can be suppressed.

And, in this variation, the distribution pattern of raw-material for liquid-absorbent weight per unit area is formed as two absorbent cores 11,11 mutually the same, but is not limited in this, difference according to circumstances, them also can be made different.In addition, the projecting height L11P of protuberance 11P is also formed as two absorbent cores 11,11 mutually the same, but is not limited in this, difference according to circumstances, them also can be made different.And, the absorbent core 11,11 of overlapping more than three of all right through-thickness ...

Other embodiments

Above, be illustrated embodiments of the present invention, but above-mentioned embodiment being proposed by the invention in order to easily understand, is not the explanation made to limit the present invention.In addition, the present invention is obtained by change, improvement in the scope not departing from its purport, and certainly also comprises its equivalent in the present invention.Such as, distortion shown below can be carried out.

In the above-described embodiment, list an example of the absorbent commodity that incontinence pad 1 uses as being installed on underwear, but be not limited in this.Such as, may not be absorption urine but the sanitary towel of absorption menses.

In the above-described embodiment, as shown in Fig. 6 A to Fig. 6 C, absorbent core 11 has along the edge, periphery of its skin side protuberance 11P outstanding to the skin side of thickness direction, but is not limited in this.Such as, as shown in Fig. 9 A to Fig. 9 C, on the position of the center side of width and length direction, protuberance 11P can also be formed a little in the edge, periphery from the skin side than absorbent core 11 annularly.And Fig. 9 A is the approximate vertical view of the structure in perspective representation incontinence pad 1 beyond absorbent core 11, Fig. 9 B and Fig. 9 C is B-B sectional view in Fig. 9 A and C-C sectional view respectively, is the figure that absorbent core 11 is only shown.

In the above-described embodiment, as shown in Figure 6A, the shape of absorbent core 11 is substantially rectangular writing board shape, that is, the plan view shape of absorbent core 11 is rectangles, but is not limited in this.Such as, as shown in Fig. 9 A to Fig. 9 C, plan view shape also can be general hourglass shape.

In the above-described embodiment, as shown in Fig. 6 B and Fig. 6 C, the 1st straight section 11P1 of the protuberance 11P of absorbent core 11 and the cross sectional shape of the 2nd straight section 11P2 in roughly trapezoidal, but are not limited in this.Such as, also rectangle, square can be formed as.In addition, in the above-described embodiment, the roughly trapezoidal cross sectional shape of the 1st straight section 11P1 is maintained in necessarily along its length, but difference according to circumstances, also cross sectional shape can be made to form some changes according to the position of length direction.Namely, if the end face 11P1t of the band shape of the 1st straight section 11P1 is parallel to length direction, the width dimensions of this end face 11P1t is certain throughout length direction, even if then when incontinence pad 1 departs from from the appropriate location underwear in the longitudinal direction, also substantially can guarantee the anti-leakage of expecting.Therefore, also the cross sectional shape of the 1st straight section 11P1 can be made to form some changes according to the position of length direction.

In the above-described embodiment, a pair the 1st straight section 11P1,11P1 are formed as identical shape each other, but are not limited in this, also can be formed as mutually different shapes.That is, the implication of " a pair " that " be arranged with a pair straight section in the width direction " in technical scheme and record is " collecting neat two to use as one group ".Therefore, also can be formed as trapezoidal with the cross sectional shape of the 1st straight section 11P1 of a side and the opposing party is formed as rectangle mode forms mutually different cross sectional shapes, in addition, the width dimensions of end face 11P1t can also be made to be formed as both 11P1,11P1 different from each other, and, also projecting height L11P1 can be made to be formed as both 11P1,11P1 different from each other.

In addition, the implication of " a pair " should be understood according to explanation as above, and the record for other structure is in the description also identical therewith.Such as, also identical about " a pair the 2nd straight section 11P2,11P2 ", and also identical about " a pair the 2nd compression units E2, E2 ".

Description of reference numerals

1 incontinence pad (absorbent commodity),

1s main part, 1sCw central part,

1sC central part, 1sLe end, 1sWe end,

11 absorbent cores, 11C central part,

11P protuberance,

11P1 the 1st straight section (straight section), 11P1t end face,

11P2 the 2nd straight section, 11P2t end face,

21 surface patch, 31 back sheets,

33 only inclined adhesive portion (adhesive portion),

40 leakproof wall portion,

41 lateral plates (sheet component),

41b base end part, 41b1 leading section, 41b2 rearward end, 41b3 pars intermedia,

41be edge (beginning set-up positions),

41f free end portion, 41fa leading section, 41fb rearward end, 41fm mid portion,

41s part,

45 elastomeric elements,

E compression unit,

E1 the 1st compression unit (compression unit), H1 groove portion,

E2 the 2nd compression unit,

Rm prescribed limit,

The Central Line (middle position of length direction) of CLL length direction, the Central Line of CLW width,

SP11 space

Claims

1. an absorbent commodity, is installed on underwear and uses, and have thickness direction, width and length direction, it is characterized in that in order to absorbing and excreting liquid,

Described protuberance is formed as the annular of the central part of the described length direction surrounding described absorbent core, and, as each end of the described width in described protuberance, be arranged with the one group of straight section being parallel to described length direction along described width

2. absorbent commodity as claimed in claim 1, is characterized in that, the position of the space enclosed by described protuberance throughout an end of the length direction from described absorbent core to the other end and continued presence.

3. absorbent commodity as claimed in claim 1 or 2, it is characterized in that, described protuberance is arranged along the edge, periphery of described absorbent core.

4. the absorbent commodity according to any one of claims 1 to 3, is characterized in that,

The face of the non-skin side towards described thickness direction in described main part is provided with the adhesive portion for described main part being installed on described underwear,

When observing from described thickness direction, the described straight section of described protuberance overlapping with described adhesive portion at least partially.

5. the absorbent commodity according to any one of Claims 1 to 4, is characterized in that, multiple described absorbent core is overlapping along described thickness direction.

6. the absorbent commodity according to any one of Claims 1 to 5, is characterized in that,

Described leakproof wall portion has the sheet component that arranges along described length direction and under the state along described elongated lengthwise, is fixed on the elastomeric element of described sheet component,

When described elastomeric element shrinks from described state of having extended, by putting on the contractility of described sheet component, described sheet component shrinks along described length direction and erects from the described face of described main part,

Described contractility throughout the applying endlong of the prescribed limit of described length direction,

7. the absorbent commodity according to any one of claim 1 ~ 6, is characterized in that,

Described main part has liquid permeability surface patch, and described liquid permeability surface patch is arranged on the skin side of described thickness direction compared to described absorbent core,

On the face of the skin side towards described thickness direction in described main part, be recessed to form compression unit, described compression unit passes through described surface patch and described both absorbent cores to be formed from the compression of the skin side of described thickness direction together,

Described compression unit is arranged at the central part of the described width of the part enclosed by described protuberance in described main part along described length direction.

8. the absorbent commodity according to any one of claim 1 ~ 7, is characterized in that,

Described absorbent core is according to the distribution pattern of weight per unit area, described liquid-absorbent raw material is stacked and formed along described thickness direction,

Using described thickness direction as in the plane of normal direction, the weight per unit area with the position of described protuberance is greater than the weight per unit area of the position without described protuberance.