CN107847375A - Absorbent commodity - Google Patents

Abstract

Absorbent commodity (1), which has at least to configure, to abut the absorber (30) of region (S1) and posterior region (S3) in discharge port, is located at than absorber (30) by the skin dough sheet (10) of skin surface side and is located at non-skin dough sheet (20) than absorber (30) by non-skin surface side.Absorber (30) has the 1st low weight per unit area region (41) for abutting in discharge port and extending between region (S1) and posterior region (S3) on width (W).Skin dough sheet (10) has in the range of from the 1st low weight per unit area region (41) to weight per unit area region (41) lower than the 1st rearward region of side not with being located at the non-set out region (46) engaged than skin dough sheet (10) by the component of non-skin surface side.The region that absorbent commodity (1) has weight per unit area region (41) lower than the 1st in non-set out region (46) side rearward extends along width (W) and for the broken line (F2) of folding absorbent article (1).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as sanitary napkin.

Background technology

The absorbent commodities such as the known sanitary napkin, panty liner, incontinence pad having for absorbing menses, leukorrhea etc.. Particularly sanitary napkin in absorbent commodity is pressed on the body of wearer by underpants, and fits in the body of wearer (following patent documents 1).Absorbent commodity as sanitary napkin has surface patch, back sheet and absorber.Absorb Body is located between surface patch and back sheet.Absorber has to the convex prominent middle convex portion of skin bearing surface side.Middle convex portion is Absorber, a part that region that thickness ratio is in addition to middle convex portion is thick.Middle convex portion is independently separately positioned on absorbent commodity Front and back.Rigid region is provided between the middle convex portion of the middle convex portion and rear in front.Rigid region is to utilize embossing The part that processing forms absorber compression.Sanitary napkin is folded and is packed individually.For folding physiology with defending One of folding position of raw towel passes through being embossed to absorber on the rigid region being process.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2010-115368 publications

The content of the invention

Sanitary napkin, the sanitary napkin of particularly ight are used with the posture lain on the back sometimes.Wearing Under the posture that person lies on the back, it is easy to produce gap between buttocks and absorbent commodity.Specifically, worn under the posture lain down The buttocks of person is flattened by bed surface, therefore, causes the posterior region of absorbent commodity to absorbability from the power from the buttocks sometimes The lower crotch region (discharge port abutting region) of article carries out a little movement.Thus, abutted in discharge port region and posterior region it Between areas adjacent be deformed in the longitudinal direction.Due to the deformation, absorbent commodity abutted sometimes in discharge port region and Areas adjacent between posterior region is deformed in a manner of being separated from buttocks.

Particularly, the sanitary napkin described in patent document 1 is abutted between region and posterior region with discharge port Suitable region has compresses the rigid region formed and the folding position for passing through rigid region using embossing processing by absorber. Thus, absorbent commodity turns into habitual as convex form in the direction of the skin of the oriented remote wearer of the folding position band Bending.Therefore, under the posture that wearer lies down, absorbent commodity abuts the region between region and posterior region in discharge port Nearby it is easier to be deformed in a manner of separating from buttocks.

If producing gap between buttocks and absorbent commodity, body fluid (such as menses) flows along body to dorsal part rear Drop down and leaked behind absorbent commodity.In addition, wearer obtain sometimes menses trickle such feel on body and Feel uneasy sense.

Therefore, it is desirable to a kind of body fluid that can suppress under the posture lain down trickles to dorsal part rear along body and mitigates and wear The absorbent commodity of the uneasy sense for the person of wearing.

The absorbent commodity of one technical scheme has mutually orthogonal fore-and-aft direction and width, the row with wearer The relative discharge port of drain port abuts region, abutted positioned at the discharge port region rear side posterior region, at least configure in institute State discharge port abut the absorber of region and the posterior region, be located at than the absorber by skin surface side skin dough sheet, And the non-skin dough sheet that non-skin surface side is leaned on than the absorber is located at, the absorber has in the discharge port abutment area The 1st low weight per unit area region extended between domain and the posterior region on the width, the skin dough sheet In the scope from the described 1st low weight per unit area region to weight per unit area region lower than the described 1st region of side rearward It is interior to have not with being located at the non-set out region engaged than the skin dough sheet by the component of non-skin surface side, the absorbent commodity Region with the side rearward of the 1st low weight per unit area region described in the ratio in the non-set out region is along the width side Broken line to extension and for folding the absorbent commodity.

Brief description of the drawings

Fig. 1 is the top view of the absorbent commodity of an embodiment.

Fig. 2 be from that unilateral observation opposite with Fig. 1 to absorbent commodity top view.

Fig. 3 is the sectional view along the absorbent commodity of Fig. 1 3A-3A lines.

Fig. 4 is the top view of the absorber of an embodiment.

Fig. 5 is the stereogram of the absorbent commodity of use state.

Fig. 6 is the schematical sectional view of 6A-6A lines absorbent commodity, along Fig. 1 of use state.

Fig. 7 is the schematical sectional view of 7A-7A lines absorbent commodity, along Fig. 1 of use state.

Fig. 8 is the schematical sectional view of 3A-3A lines absorbent commodity, along Fig. 1 of use state.

Fig. 9 is the top view along the absorbent commodity of Fig. 1 broken line FL foldings.

Figure 10 is the schematical side view along the absorbent commodity of Fig. 9 broken line F1~F3 foldings.

Embodiment

Hereinafter, with reference to the accompanying drawings of the absorbent commodity of embodiment.Absorbent commodity can be panty liner (leukorrhea Pad), sanitary napkin, the arbitrary absorbent commodity such as incontinence pad.In the following embodiments, as absorbent commodity One example illustrates disposable sanitary napkin.

In addition, in the record of following accompanying drawing, same or similar accompanying drawing is marked to same or similar part Mark.But accompanying drawing is schematical, it is sometimes different from reality that should notice ratio of each size etc..Thus, should refer to Under explanation judge specific size etc..In addition, in accompanying drawing, also the relation comprising mutual size, ratio are different between each other Part.

(1) overall structure of absorbent commodity

Fig. 1 is the top view of the absorbent commodity of an embodiment.Fig. 2 be from that unilateral observation opposite with Fig. 1 to Absorbent commodity top view.Fig. 3 is the sectional view along the absorbent commodity of Fig. 1 3A-3A lines.

Absorbent commodity 1 has fore-and-aft direction L, width W and thickness direction T.Fore-and-aft direction L is from wearer Direction that front side (veutro) extends to rear side (dorsal part) or the direction extended from the rear side of wearer to front side.Width W It is the direction with fore-and-aft direction L-orthogonal.Thickness direction T is from the side that the skin surface side T1 of wearer extends to non-skin surface side T2 To, and be the direction orthogonal with fore-and-aft direction L and width W.Skin surface side T1 is equivalent to the skin with wearer when in use That facing side of skin.Non-skin surface side T2 equivalent to that opposite with skin surface side T1 when in use side, i.e. towards with That side in the opposite direction of the skin of wearer.

There is absorbent commodity 1 discharge port to abut region S1, front area S2 and posterior region S3.Discharge port abutment area Domain S1 is the region relative with the discharge port of wearer (such as introitus).When absorbent commodity is installed on underpants, discharge port Abut the lower crotch that region S1 is located at underpants.It is disposed on the in-leg of wearer that is, discharge port abuts region, wears Region between two legs of person.

Front area S2 is located at the position that S1 forward sides in region are abutted than discharge port.Front area S2 front-end edge, which limits, to be inhaled The front-end edge of the property received article 1.Posterior region S3 is located at the position that S1 sides rearward in region are abutted than discharge port.After posterior region S3 Ora terminalis limits the end edge of absorbent commodity 1.Length on posterior region S3 fore-and-aft direction L is longer than discharge port and abuts region S1 Fore-and-aft direction L on length it is preferable.

It is preferable provided with flap 3 described later that region S1 is abutted in discharge port.In addition, it is provided with posterior region S3 to width The empennage 4 of W outside bulging is preferable.

The front-end edge of flap 3 is limited by the root of flap 3, equivalent to width W inner side recessed most deep two It is in individual part, positioned at the part of front side.The front-end edge of flap 3 can also limit discharge port and abut region S1 and front area S2 Between boundary.The end edge of flap 3 is limited by the root of flap 3, recessed most deep equivalent to width W inner side It is in two parts, positioned at the part of rear side.The end edge of flap 3 is located between the abutting region S1 and posterior region S3 of discharge port Preferably.Here, the region between the front-end edge of the flap 3 on fore-and-aft direction L and the end edge of flap 3 is referred to as " flap area Domain ".In the absorbent commodity with flap, discharge port, which abuts region S1, turns into the region substantially the same with flap region. Thus, in this manual, should notice " discharge port abut region S1 " as word can antonomasia make " flap region ".

Absorbent commodity 1 has skin dough sheet 10, non-skin dough sheet 20 and absorber 30.Skin dough sheet 10 is located at than inhaling Acceptor 30 leans on skin surface side T1 position.Non-skin dough sheet 20 is located at the position that non-skin surface side T2 is depended on than absorber 30.Absorb Body 30 is located between skin dough sheet 10 and non-skin dough sheet 20.

Skin dough sheet 10 has surface patch 11, sidepiece sheet 12 and second 13 preferable.Surface patch 11 is to make the liquid such as body fluid The sheet material for the liquid permeability that body passes through.Surface patch 11 covers the central portion on the width W of absorber 30.Surface patch 11 is front and rear From front area, to extend to posterior region S3 preferable by S2 on the L of direction.

Surface patch 11 is had the arbitrary piece for the construction for making penetration by liquid by non-woven fabrics, spinning cloth, apertured plastic piece, mesh sheet etc. Shape material is formed.As the raw material for spinning cloth, non-woven fabrics, any of natural fiber, chemical fibre can be used.

Sidepiece sheet 12 covers the lateral border on the width W of surface patch 11, and extends to and lean on width side than surface patch 11 To the position in the outside on W.In addition, in the present embodiment, absorbent commodity 1 has sidepiece sheet 12, but absorbent commodity 1 Can not have sidepiece sheet 12.In this case, it is overall preferably to cover absorber 30 for surface patch 11.

Sidepiece sheet 12 can be by forming with the identical material of surface patch 11.But in order to prevent from being attached to surface patch 11 Body fluid is crossed sidepiece sheet 12 and spilt on width W to the outside of absorbent commodity 1, it is preferred that sidepiece sheet 12, which has, dredges Water-based or water proofing property.Sidepiece sheet 12 configure lateral border, flap 3 and empennage 4 on the width W of absorber 30 compared with It is good.

At least it is located in non-set out region 46 described later between surface patch 11 and absorber 30 for second 13.Second 13 From front area, to extend to posterior region S3 preferable by S2 on fore-and-aft direction L.Replace, after second 13 can also be only defined The non-set out region 46 stated.Moreover it is preferred that second 13 on width W than the narrow width of absorbent cores 31 described later.

Second 13 be the liquid permeability for making the penetration by liquid such as body fluid sheet material.Preferably, the water-wetness of second 13 is high In the water-wetness of surface patch 11.Specifically, the water-wetness of second 13 is at least higher than table in non-set out region 46 described later The water-wetness of dough sheet 11.Second 13 can be by forming with the identical material of surface patch 11.

Non-skin dough sheet 20 is liquid-impermeable sheet material.Non-skin dough sheet 20 can be used polythene strip, polypropylene foil Deng the laminated nonwoven fabric as main body, the resin film of gas permeability, engage and breathe freely on the non-woven fabrics such as spunbonded type or spun lacing type Sheet material that the resin film of property forms etc..

Absorber 30 at least configures abuts region S1 and posterior region S3 in discharge port.In addition, absorber 30 can also be from Discharge port abuts region S1 and extends to front area S2.Absorber 30 has the absorption for including the absorbing material for absorbing liquid The core covering 32 of core 31 and parcel absorbent cores 31.Core covering 31 is at least covering absorption than position of the absorbent cores 31 by skin surface side Core 31.As a specific example, core covering 32 has configuration in the piece than absorbent cores 31 by the position of skin surface side Material and configuration are more preferable by the sheet material of the position of non-skin surface side than absorbent cores 31.Form the sheet material of the skin surface side of core covering 32 It can also be made up of with the sheet material of non-skin surface side same sheet material.The absorbing material for forming absorbent cores 31 for example can be by hydrophily Fiber, paper pulp and super absorbent polymer (SAP) formation.Core covering 32 for example can be by non-woven fabrics, tissue sheets (tissue Sheet) form.

Above-mentioned embodiment is substituted, absorber 30 can also not have core covering 31.In this case, absorbent cores 31 are by skin Skin dough sheet 10 and non-skin dough sheet 20 cover.

As foregoing, absorbent commodity 1 has flap 3 and empennage 4.Flap 3 and empennage 4 reach to abut than discharge port Position of the lateral border of region S1 absorbent cores 31 by the outside on width W.

Flap 3 and empennage 4 are formed preferable using the stacking of sidepiece sheet 12 and non-skin dough sheet 20.Flap 3 is configured to Turned back to the side of non-skin dough sheet 20.Flap 3 is turned back by the non-skin surface side of the crotch to underpants when in use.

Empennage 4 is located at the position than the side rearward of flap 3, and is located at posterior region S3.Empennage 4 does not turn back when in use, and Configuration is between underpants and the buttocks of wearer.In the present embodiment, it is not provided with absorbing material on empennage 4.Replace, Absorbing material can also be provided with empennage 4.

(2) detailed construction of absorber

Then, 1~Fig. 4 of reference picture specifically describes the structure of absorber 30.Fig. 4 is the absorber 30 of an embodiment Top view.Absorber 30 at least abuts region S1 in discharge port has middle convex portion 33.Middle convex portion 33 can also be supported from discharge port Connect region S1 front lateral regions S2 extensions.Middle convex portion 33 configures with abutting across the center line CL of region S1 in discharge port.Middle convex portion 33 Refer to, the thickness of absorbent cores 31 is thicker than the region of the thickness of the absorbent cores 31 of the peripheral region of middle convex portion 33.The suction of middle convex portion 33 The absorption that discharge port abuts the region in addition to middle convex portion 33 in the S1 of region can also be higher than by receiving the weight per unit area of material The weight per unit area of core 31.Middle convex portion 33 weight per unit area region 41 low with the described later 1st abuts preferably.Preferably, The absorbent cores 31 of the rear side in the 1st low weight per unit area region 41 are thinner than the thickness of middle convex portion 33.It is further preferred that posterior region Absorbent cores 31 overall S3 are thinner than the thickness of middle convex portion 33.Middle convex portion 33 has the most thick highest portion of thickness and is connected with highest portion Rake.The rake configures between highest portion and front side compression unit described later and highest portion and the 1st low unit area Between weight area 41 preferably.

Absorber 30 has the 1st low weight per unit area region 41, the 2nd low weight per unit area region 42 and the 3rd low Weight per unit area region 43 is preferable.Here, " low weight per unit area region " refers to, by with than the absorbent cores 31 around it The region that the absorbent cores 31 of low weight per unit area are formed or the region without absorbent cores 31.So, " low unit plane Product weight area " is the concept in the region that the weight per unit area comprising absorbent cores 31 is zero.

The weight per unit area of absorbent cores 31 in low weight per unit area region 41~43 is preferably below 150g/m2, More preferably below 100g/m2.In addition, the it is further preferred that list of the absorbent cores 31 in low weight per unit area region 41~43 Position area weight is essentially 0g/m2.In addition, the unit area weight of the absorbent cores 31 in low weight per unit area region 41~43 Amount is preferably the weight per unit area of the absorbent cores (in addition to middle convex portion) around low weight per unit area region 41~43 Less than 60%, more preferably less than 50%.

It is preferred that in the case of being the region without absorbent cores 31 even in " low weight per unit area region ", core Covering 32 also wraps up the entirety of absorbent cores 31 across low weight per unit area region.In this case, even if absorbent cores 31 are divided Multiple regions are cut into, absorber 30 is also integrally formed using core covering 32.

1st low weight per unit area region 41, the 2nd low 42 and the 3rd low weight per unit area of weight per unit area region Region 43 turns into the boundary that the rigidity of absorber 30 is changed.Thus, the 1st low weight per unit area region 41, the 2nd low unit 42 and the 3rd low weight per unit area region 43 of the area weight region region easily deformable equivalent to absorber 30.

1st low weight per unit area region 41 is between the abutting region S1 and posterior region S3 of discharge port along width W extends.1st low weight per unit area region 41 both can point-blank extend along width W, can also be along width Extend W curves.

1st low weight per unit area region 41 is located at the center of the fore-and-aft direction L than flap 3 side and than absorber 30 rearward The forward side of posterior lateral margin position it is preferable.1st low weight per unit area region 41 can also be on fore-and-aft direction L across flap 3 Set end edge.

In the present embodiment, the 1st low weight per unit area region 41 is the width in the 1st low weight per unit area region 41 The curve shape that center on the W of direction rearward protrudes.More particularly, the width side in the 1st low weight per unit area region 41 The position of the lateral border in weight per unit area region 41 lower than the 1st rearward is centrally located on to W.1st low unit area weight The length measured on the fore-and-aft direction L in region 41 both can be with constant, can also be non-constant.

Preferably, the length on the width W in the 1st low weight per unit area region 41 is more than 25mm.Thus, energy The activity for enough suppressing the absorber 30 in the abutting region S1 of discharge port is delivered to posterior region S3.It is further preferred that the 1st low unit Area weight region 41 extends to the other end on width W from one end of absorber 30.In this case, the 1st low unit The front-end edge in area weight region 41 can also limit the end edge that discharge port abuts region S1, the 1st low weight per unit area area The end edge in domain 41 can also limit posterior region S3 front-end edge.

Length on the fore-and-aft direction L in the 1st low weight per unit area region 41 is in the center line CL of absorbent commodity 1 position It is preferably more than 10mm and below 50mm, more preferably more than 10mm and below 30mm to put place.

2nd low weight per unit area region 42 is in center line CLs of the posterior region S3 along absorbent commodity in fore-and-aft direction Extend on L.Point-blank extension is preferable on fore-and-aft direction L in 2nd low weight per unit area region 42.Preferably, the 2nd low unit 42 weight per unit area region 41 low with the 1st of area weight region is connected.

Center of the end edge in the 2nd low weight per unit area region 42 on the fore-and-aft direction than posterior region S3 is rearward The position of side is preferable.In addition, the end edge in the 2nd low weight per unit area region 42 is located at the position of the Breadth Maximum of stub fin 4 The position of P1 sides rearward is preferable.Length on the fore-and-aft direction L in the 2nd low weight per unit area region 42 is preferably more than 120mm, More preferably more than 150mm.Preferably, the length on the width W in the 2nd low weight per unit area region 42 be 1mm with Upper and below 15mm.Wearer body along in fore-and-aft direction L section, the ditch (anal cleft) between buttocks be present in from Region of the rear of perineum untill coccyx.During the use of absorbent commodity, the 2nd low weight per unit area region 42 Configure in the region of the anal cleft of wearer.

3rd low weight per unit area region 43 is in posterior region S3 from the 2nd low weight per unit area region 42 to width side Extend to W outside.3rd low 43 weight per unit area region 42 low with the 2nd of weight per unit area region is connected preferably.3rd is low The edge line of the front side in weight per unit area region 43 substantially parallel extends in width W inner side and width W Preferably.In addition, the edge line of the front side in the 3rd low weight per unit area region 43 width W outside forwards protrude compared with It is good.The edge line of the rear side in the 3rd low weight per unit area region 43 with the inner side of W in the width direction gone towards outside and forward Side tilts preferable.

The width W in the 3rd low weight per unit area region 43 lateral border is positioned at the absorbent cores 31 than posterior region S3 Lateral border position in the inner part.3rd low weight per unit area region 43 on fore-and-aft direction L spaced apartly be provided with it is multiple compared with It is good.

Absorbent commodity 1 has sheet materials and core covering 32, ratio by core covering 32, than absorbent cores 31 by skin surface side Absorbent cores 31 crimp mutually the pressure contact portion 51,52,53 formed preferably (reference picture 4) by the sheet material of non-skin surface side.

1st pressure contact portion 51 extends along the 1st low weight per unit area region 41 on width W.Preferably, the 1st Width on the fore-and-aft direction L of pressure contact portion 51 is less than the width on the fore-and-aft direction L in the 1st low weight per unit area region 41.This Outside, it is preferred that the 1st pressure contact portion 51 extends continuously to the other end along width W from one end of absorber 30.

2nd pressure contact portion 52 extends along the 2nd low weight per unit area region 42 on fore-and-aft direction L.Preferably, the 2nd Width on the width W of pressure contact portion 52 is less than the width on the width W in the 2nd low weight per unit area region 42.2nd Pressure contact portion 52 is connected preferably with the 1st pressure contact portion 51.

3rd pressure contact portion 53 extends along the 3rd low weight per unit area region 43.Preferably, the 3rd pressure contact portion 53 is front and rear Width on the L of direction is less than the fore-and-aft direction L in the 3rd low weight per unit area region 43 width.3rd pressure contact portion the 53 and the 2nd is pressed Socket part 52 is connected preferable.

Preferably, the 1st pressure contact portion 51, the 2nd pressure contact portion 52 and/or the 3rd pressure contact portion 53 are not formed at skin dough sheet 10.More Specifically, it is preferred that form the 1st pressure by only crimping core covering 32 or only crimping absorbent cores 31 and core covering 32 Socket part 51, the 2nd pressure contact portion 52 and/or the 3rd pressure contact portion 53.The feelings of absorbent cores be present in low weight per unit area region 41,42,43 Under condition, pressure contact portion 51,52,53 be the absorbent cores in low weight per unit area region 41,42,43 and core covering 32 are crimped together and Into part it is preferable.In the case of absorbent cores are not present in low weight per unit area region 41,42,43, pressure contact portion 51,52,53 It is that the part that only crimping core covering 32 forms is preferable.In this case, absorbent cores 31 with low weight per unit area region 41,42, 43 and pressure contact portion 51,52,53 for boundary blocked mutually.Pressure contact portion 51,52,53 can be formed using embossing processing.In addition, Pressure contact portion 51,52,53 is covered by skin dough sheet 10, therefore, it is impossible to confirm from external view or be not easy to confirm from external view. In addition, substituting above-mentioned embodiment, the 1st pressure contact portion 51, the 2nd pressure contact portion 52 and/or the 3rd pressure contact portion 53 can also be formed at skin Dough sheet 10 and/or non-skin dough sheet 20.

(3) non-set out region between surface patch and absorber

Skin dough sheet 10 has not with leaning on non-skin face located at than skin dough sheet 10 in the 1st low weight per unit area region 41 The non-set out region 46 (reference picture 1 and Fig. 3) of the component engagement of side.More particularly, skin dough sheet 10 is in non-set out region 46 Do not engaged with core covering 32.Non-set out region 46 utilizes the region surrounded by dotted line to represent in Fig. 1.

Non-set out region 46 at least extends to separately from one end on the width W in the 1st low weight per unit area region 41 One end is preferable.Replace, non-set out region 46 can not also extend to the 1st low weight per unit area area on width W The both ends in domain 41.Non-set out region 46 at least extends to multiple 3rd low unit areas from the 1st low weight per unit area region 41 The 3rd low weight per unit area region 43 closest to the 1st low weight per unit area region 41 in weight area 43 is preferable.By This, in the 1st low weight per unit area region 41 and the region of rear side, skin dough sheet 10 can self-priming acceptor 30 it is hanging.

(4) compression unit

Absorbent commodity 1 has by compressing at least absorbent cores 31 in the thickness directiont and the compression unit of formation.The compression Portion has front side compression unit 81, strip compression unit 82 and a pair of rear side compression units 84 preferably (reference picture 1 and Fig. 4).

Front side compression unit 81 is at least located at discharge port and abuts region S1.Front side compression unit 81 can also be from discharge port abutment area Domain S1 front lateral regions S2 extends.Formed by compaction table dough sheet 11 in the thickness directiont, absorbent cores 31 and core covering 32 Front side compression unit 81 is preferable.Front side compression unit 81 is with the width W both sides for being located at middle convex portion 33 along fore-and-aft direction L's Section.The width W of convex portion 33 lateral margin is preferable during front side compression unit 81 limits.

Front side compression unit 81 is bent near the front-end edge of absorbent cores 31 towards width W, in letter U shape continuously phase Even.Replace, front side compression unit 81 can also independently be located at the width W both sides of middle convex portion 33.That is, press a pair of front sides Contracting portion 81 can also be provided independently from the form of being truncated mutually.

Strip compression unit 82 posterior region S3 across center line CL, be more particularly the 2nd low weight per unit area area Domain 42 is located at both sides.It is preferable that strip compression unit 82 is formed by compressed absorbent 30 in a thickness direction and surface patch 11.

Strip compression unit 82 extends along fore-and-aft direction L.Strip compression unit 82 both can point-blank prolong on fore-and-aft direction L Stretch, can also tilt relative to fore-and-aft direction L and simultaneously extend curve.Strip compression unit 82 forms the Breadth Maximum in stub fin 4 The forward sides of position P1 position it is preferable.

A pair of rear side compression units 84 are located at both sides in posterior region S3 across center line CL.By compressing in a thickness direction Absorber 30 and surface patch 11 and formed rear side compression unit 84 it is preferable.A pair of rear side compression units 84 are across passing through absorbent commodity The center line CL at the center on width W is set separately of each other.The maximum that a pair of rear side compression units 84 are located at stub fin 4 is wide The position of the position P1 of degree sides rearward is preferable.

Absorbent commodity 1 can also have by by the sheet material for forming skin dough sheet 10 and non-skin dough sheet 20 at least Two the 1st compression unit 85, the 2nd compression unit 87 and the 3rd compression units 86 (reference picture 1) for crimping and being formed in the thickness directiont. 1st compression unit 85, the outer rim of the 2nd compression unit 87 and the 3rd compression unit 86 along empennage 4 are formed preferably.

Absorbent commodity 1 at least has by compressing skin dough sheet 10 in the 1st low weight per unit area region 41 to be formed Compression unit 88 it is preferable.Preferably, compression unit 88 is made only in skin dough sheet 10 (reference picture 1).

Compression unit 88 can also on fore-and-aft direction L only slight beyond the 1st low weight per unit area region 41 and reach on front side of, , but it is preferred that it is present in the rear side of middle convex portion 33.Compression unit 88 at least can also prolong from the 1st low weight per unit area region 41 Reach the 3rd low unit plane closest to the 1st low weight per unit area region 41 in multiple 3 low weight per unit area regions 43 Product weight area 43.Compression unit 88 forms region substantially equal with non-set out region 46 or narrower than non-set out region 46 Region it is preferable.

Preferably, compression unit 88 is at least in the 1st low weight per unit area region 41 continuous landform on fore-and-aft direction L Into.As long as here, compression unit 88 is continuous on fore-and-aft direction L, it is not necessary to is point-blank formed.For example, compression unit 88 also may be used With the indention shape on fore-and-aft direction L as shown in Figure 1.Replace, compression unit 88 can also be at least in the 1st low unit area Weight area 41 is point-blank formed continuously on fore-and-aft direction L.

Preferably, compression unit 88 is formed as clathrate as shown in Figure 1.Specifically, compression unit 88 has relative to preceding Rear is to inclined multiple 1st straight-line patterns and relative to fore-and-aft direction and inclined multiple 2nd straight-line patterns of the 1st straight-line pattern Preferably.Preferably, compression unit 88 is located at the narrow region in region than second 13.

(5) adhesion area

As shown in Fig. 2 absorbent commodity 1 has be provided with the adhesive for being used to absorbent commodity 1 being fixed on underpants S the 1 main body adhesion area 61, the 2nd main body adhesion area 62, flap adhesion area 63 and empennage adhesion area 64.These bonding zones Domain 61~64 is located at the non-skin surface side of non-skin dough sheet 20.Adhesion area 61~64 can also before use in the state of shelled Covered from piece.Stripping film is used to prevent the adhesive of adhesion area 61~64 from deteriorating before the use.Stripping film when in use by Wearer dismantles.

1st main body adhesion area 61 is configured in the front of the 2nd main body adhesion area 62.1st main body adhesion area 61 and the 2nd Main body adhesion area 62 extends on fore-and-aft direction L.1st main body adhesion area 61 and the 2nd main body adhesion area 62 are in front and back Dividually configured on to L.Front side across discharge port abutting of the 1st main body adhesion area 61 in the 1st low weight per unit area region 41 Configure preferably region S1 and front area S2.Rear side of the 2nd main body adhesion area 62 in the 1st low weight per unit area region 41 Configuration is in posterior region S3.Preferably, the 1st main body adhesion area 61 and the 2nd main body adhesion area 62 are not located at center line CL On.Flap adhesion area 63 is located at flap 3.Empennage adhesion area 64 is located at empennage 4.

Preferably, the 1st low weight per unit area region 41 be configured in the thickness directiont not with adhesion area 61~64 The region of coincidence.More particularly, the 1st low weight per unit area region 41 is located at the 1st main body adhesion area 61 and the 2nd main body is glued Close the region between region 62.

Preferably, the 2nd low weight per unit area region 42 be configured in the thickness directiont not with adhesion area 61~64 The region of coincidence.More particularly, the 2nd low weight per unit area region 42 be located at multiple 2nd main body adhesion areas 62 it is mutual it Between.

Preferably, a pair of strip compression units 82 are located at the region overlapped with the 2nd main body adhesion area 62.

(6) absorbent commodity of wearing effect

Then, 5~Fig. 8 of reference picture illustrates the shape of the absorbent commodity of wearing effect.Fig. 5 is the absorbability of use state The stereogram of article.Fig. 6 is the schematical sectional view of the 6A-6A lines along Fig. 1 of the absorbent commodity of use state.Fig. 7 It is the schematical sectional view of the 7A-7A lines along Fig. 1 of the absorbent commodity of use state.Fig. 8 is the absorption of use state The schematical sectional view of the 3A-3A lines along Fig. 1 of property article.In addition, in Fig. 6, Fig. 7, show to be used for double dot dash line Represent the line of the body shape of wearer.

When wearing the absorbent commodity 1 as sanitary napkin, absorbent commodity 1 is fixed on underpants S.Absorbability thing The discharge port of product 1 abuts region S1 and clamped by two legs of wearer, bears the outside of W in the width direction towards width W's The power of inner side.

The width W along absorbent commodity 1 of the body of wearer cross sectional shape is near in-leg and buttocks is attached It is near different.Specifically, the moon with regard to the in-leg of wearer splits cutting for the body of (near the introitus of menses outflow) nearby For the shape of face, labia majora protrudes compared to the root of labia majora, and the cross sectional shape is the convex prominent to the side of absorbent commodity 1 Shape.The lower crotch region that the discharge port of absorbent commodity abuts region S1 and the wearer is arranged as opposed to.In the in-leg of wearer In, discharge port abuts region S1 absorbent cores 31, particularly middle convex portion 33 configures along body, can suppress the body fluid at in-leg Leak (reference picture 6).

In addition, the anus of wearer, anal cleft are located at the rear of perineum, the perineum part is in the position than labia majora rearward Put.The cross sectional shape of body near the rear of the perineum is the recessed shape in the center of width.Absorbent commodity Posterior region S3 and the wearer buttocks are arranged as opposed to.

Formed with the 2nd low weight per unit area extended along center line CL on fore-and-aft direction L in posterior region S3 Region 42.Therefore, using the power from the outside of absorbent commodity towards inner side, the center on posterior region S3 width W It is easy to protrude (reference picture 7) towards the body of wearer.Thus, in posterior region S3, absorbent commodity 1 can be with wearer The shape of anal cleft cooperatively deform.As a result, wearer also obtain at buttocks it is comfortable between absorbent commodity 1 Fitting sense.

Here, absorbent commodity 1 abuts the shape being intended in region S1 and posterior region S3 with the body of wearer in discharge port Shape is cooperatively changed into different shapes.1st low weight per unit area region 41 inhibits absorber 30 in discharge port abutment area Domain S1 deformation is on influence caused by deformation of the absorber 30 in posterior region S3.That is, the 1st low weight per unit area region is utilized 41, absorbent commodity is easy to independently deform in discharge port abutting region S1 and posterior region S3.

In addition, the sanitary napkin of ight is used with the posture lain on the back mostly.Under the posture that wearer lies on the back, It is easy to produce gap between buttocks and absorbent commodity 1.

Specifically, the buttocks of wearer is flattened by bed surface under the posture lain down, therefore, sometimes by from the buttocks Power causes the posterior region S3 of absorbent commodity 1 to abut a little movement of region S1 progress to discharge port.Thus, abutted in discharge port Areas adjacent between region S1 and posterior region S3, it is deformed on fore-and-aft direction L.Due to the deformation, supported in discharge port There may be gap between absorbent commodity 1 and buttocks for the areas adjacent for connecing between region S1 and posterior region S3.

If producing gap between buttocks and absorbent commodity, menses are possible to trickle simultaneously to dorsal part rear along body Leaked behind absorbent commodity.Trickle such feel on body in addition, wearer obtains menses sometimes and feel Feel to uneasiness.

In the absorbent commodity 1 of an embodiment, at least exist in the 1st low weight per unit area region S1 position The non-set out region 46 of skin dough sheet 10.Therefore, region S1 movements are abutted to discharge port in the posterior region S3 of absorbent commodity When, the non-set out region 46 of skin dough sheet 10 protrudes (reference " 47 " of reference picture 8) towards the body of wearer.The skin The protuberance 47 of skin dough sheet 10 fills the gap between the body of wearer.Thus, the posture even lain down, can also press down Menses processed trickle along body to dorsal part rear.

(7) folding of absorbent commodity

Absorbent commodity 1 can also independently be packed with the state of folding.Hereinafter, reference picture 1, Fig. 2, Fig. 9, Figure 10 explanation The folding of absorbent commodity 1.Fig. 9 is the top view along the absorbent commodity 1 of Fig. 1 broken line FL foldings.Figure 10 is along Fig. 9 Broken line F1~F3 fold absorbent commodity schematical side view.

Absorbent commodity 1 has the front and rear broken line FL along fore-and-aft direction L extensions, the 1st folding extended along width W Line F1, the 2nd broken line F2 and the 3rd broken line F3 are preferable.These broken lines FL, F1, F2, F3 are the lines for folding absorbent article 1.

The position of outboard end in the outer part that front and rear broken line FL is located on the width W than absorber 30 is preferable.It is in addition, preceding Afterwards broken line FL be located at than the 1st compression unit 85, the 2nd compression unit 87 and the 3rd compression unit 86 by the inner side on width W position compared with It is good.

1st broken line F1 is located at the position than the 2nd broken line F2 sides rearward.1st broken line F1 is located at the Breadth Maximum P1 of stub fin 4 The region of side is preferable rearward.In addition, the 1st broken line F1 can also be located at strip compression unit 82 and rear side compression on fore-and-aft direction L Between portion 84.Preferably, the 1st broken line F1 passes through the 3rd low weight per unit area region 43.In addition, before posterior region S3 Rear can also be not provided with the 1st broken line F1 into the shorter absorbent commodity 1 of L length.

2nd broken line F2 is located on fore-and-aft direction L between the 1st broken line F1 and the 3rd broken line F3.2nd broken line F2 is connect by non- Close the region of weight per unit area region 41 lower than the 1st side rearward in region 46.2nd broken line F2 is configured in than a pair of strip pressures The position of 82 forward side of contracting portion is preferable.Preferably, the 2nd broken line F2 passes through on the 2nd main body adhesion area 62.

3rd broken line F3 is located at the position than the 2nd forward sides of broken line F2.3rd broken line F3 is located at the highest portion than middle convex portion 33 The position of forward side is preferable.More particularly, it is preferred that the 3rd broken line F3 avoids the highest portion of middle convex portion 33 and by with The connected rake of the highest portion of convex portion 33.It is preferable that 3rd broken line F3 is located at front area S2.

Absorbent commodity 1 in a manner of non-skin surface side is exposed to outside using front and rear broken line FL to folded inside as basic point (reference picture 9).Preferably, absorbent commodity 1 from the state shown in Fig. 9 according to the 1st broken line F1, the 2nd broken line F2 and the 3rd broken line F3 order is folded (reference picture 10).

In the state of the folding of absorbent commodity 1, the posterior lateral margin 92 of absorbent commodity is located at the inside of absorbent commodity. In the state of absorbent commodity 1 folds, the cephalolateral margin 91 of absorbent commodity is located at the outside of absorbent commodity.In addition, the 1st broken line F1 is located at the inside for the absorbent commodity 1 folded up.2nd broken line F2 and the 3rd broken line F3 is located at the absorbability thing folded up The outside of product 1.

(8) action effect

According to an embodiment, absorber 30 has between the abutting region S1 and posterior region S3 of discharge port along width Spend the 1st low weight per unit area region 41 of direction W extensions.Skin dough sheet 10 from the 1st low weight per unit area region 41 to Weight per unit area region 41 lower than the 1st has in the range of the region of side rearward does not lean on non-skin with being located at than skin dough sheet 10 The non-set out region 46 of component (such as core covering 32) engagement of surface side.Absorbent commodity 1 has in non-set out region 46 The region of weight per unit area region 41 lower than the 1st side rearward extends along width W and for folding absorbent article 1 Broken line F2.

Because the buttocks of wearer under the posture lain down in wearer is flattened by bed surface, therefore sometimes by from the buttocks Power causes the posterior region S3 of absorbent commodity 1 to abut a little movement of region S1 progress to discharge port.In the suction of present embodiment In the property received article 1, the non-set out region 46 of skin dough sheet 10 in the 1st low weight per unit area region S1 position at least be present. Therefore, when the posterior region S3 of absorbent commodity abuts region S1 to discharge port and moved, the disengaged area of skin dough sheet 10 Domain 46 protrudes (reference " 47 " of reference picture 8) towards the body of wearer.

In addition, the broken line F2 for folding absorbent article 1 is formed and is easiest to than skin dough sheet 10 to wearer's pleurapophysis The region of the 1st low weight per unit area region 41 gone out side rearward.Thus, it is possible to prevent the habitual bending as caused by broken line F2 Hinder the protrusion of skin dough sheet 10.Also, because broken line F2 passes through absorbent cores, weight per unit area unit area lower than the 1st The big region of weight area 41, therefore it is not likely to produce broken line.Thus, can in the position in the 1st low weight per unit area region 41 Skin dough sheet 10 is set to be easier to the skin protrusion towards wearer.

According to an embodiment, the adhesion area 62 with the non-skin face for being located at non-skin dough sheet 20, broken line F2 exists Pass through on adhesion area 62.The rigidity of the part of adhesion area be generally there are higher than the part in the absence of adhesion area Rigidity.That is, broken line F2 passes through because adhesion area 62 is and the elevated region of rigidity.Thereby, it is possible to further prevent by Habitual bending caused by broken line F2.Thus, it can make skin dough sheet 10 more in the position in the 1st low weight per unit area region 41 It is easy to the skin protrusion towards wearer.

According to an embodiment, adhesion area 62 configures the area overlapped in weight per unit area region 41 not low with the 1st Domain.Thus, the 1st low weight per unit area region 41 more can be used as deformation basic point to play function.It is that is, low across the 1st The adjacent absorbent cores 31 in weight per unit area region 41 are easy to move independently of each other.Thus, absorber 30 is easier to and worn The in-leg of person and the shape of buttocks are cooperatively bonded.Thus, it is possible to provide a kind of body that can adapt to wearer simultaneously The absorbent commodity of comfortable fitting sense is assigned to wearer.

According to an embodiment, in posterior region S3, across link width direction W center center line CL in both sides Formed with a pair of the strip compression units 82 extended along fore-and-aft direction L.Broken line F2 configurations are forward in than a pair of strip compression units 82 The position of side.Under the wearing effect of absorbent commodity, the stern of the region that is clipped by a pair of strip compression units 82 along wearer Split protrusion.Configured in the position of than a pair of 82 forward sides of strip compression unit, can not be hindered by strip compression unit by broken line F2 82 regions clipped protrude.Thus, in posterior region S3 absorbent commodity 1 can be made to be easy to the anal cleft protrusion along wearer.

According to an embodiment, absorbent commodity 1 is configured to according to the 1st broken line F1, the 2nd broken line F2 and the 3rd broken line F3 Order folded.By such folding absorbent article 1, absorbent commodity 1 can compactly be packed.

According to an embodiment, absorber 30 posterior region S3 have from the 2nd low weight per unit area region 42 to 3rd low weight per unit area region 43 of width W outside extension.1st broken line F1 passes through the 3rd low weight per unit area area Domain 43.3rd low weight per unit area region 43 forms the deformation basic point extended along width W.Posterior region S3 absorption Core 31 can be that basic point is deformed with the 3rd low weight per unit area region 43, and therefore, absorbent commodity 1 is easier to along body The circularity along fore-and-aft direction L of body is bonded.By carrying broken line F1 in the 3rd low weight per unit area region 43, from And the circularity for making absorbent commodity 1 be easier in posterior region S3 on the fore-and-aft direction L along buttocks is deformed.Thus, inhale The property received article 1 is easier to be bonded the buttocks of wearer, and can more suppress body fluid drops down leakage.

According to an embodiment, the 3rd broken line F3 passes through the rake of middle convex portion 33 as foregoing.Thereby, it is possible to anti- Only the highest portion in middle convex portion 33 carries habitual bending.As a result, it can suppress to make middle convex portion 33 due to habitual bending It is difficult to the skin for fitting in wearer.

More than, the present invention is described in detail by using above-mentioned embodiment, but to those skilled in the art may be used Specify the embodiment that the present invention is not limited to illustrate in this specification.The present invention can be not being departed from by claims Modifications and changes pattern is set on the premise of the spirit and scope of the invention as defined in record to be implemented.Thus, this specification Record for illustrative purposes, for the present invention and without any restrictions meanings.

In addition, the full content for the Japan's patent application the 2015-132202nd filed an application on June 30th, 2015 leads to Reference is crossed to be programmed into this specification.

Industrial applicability

A kind of body fluid that under the posture lain down can suppress can be provided to trickle to dorsal part rear along body and mitigate and wear The absorbent commodity of the uneasy sense for the person of wearing.

Description of reference numerals

1st, absorbent commodity；10th, skin dough sheet；20th, non-skin dough sheet；30th, absorber；31st, absorbent cores；32nd, core covering； 33rd, middle convex portion；41st, the 1st low weight per unit area region；42nd, the 2nd low weight per unit area region；43rd, the 3rd low unit area Weight area；51st, the 1st pressure contact portion；52nd, the 2nd pressure contact portion；53rd, the 3rd pressure contact portion；61st, the 1st main body adhesion area；62nd, the 2nd main body Adhesion area；81st, front side compression unit；82nd, strip compression unit；84th, rear side compression unit；L, fore-and-aft direction；W, width；T, thickness Spend direction；S1, discharge port abut region；S2, front area；S3, posterior region；CL, center line.

Claims (6)

1. a kind of absorbent commodity, it has mutually orthogonal fore-and-aft direction and width, relative with the discharge port of wearer Discharge port abut region, positioned at the discharge port abut region rear side posterior region, at least configure in the discharge port The absorber in region and the posterior region is abutted, is located at and is leaned on the skin dough sheet of skin surface side than the absorber and be located at Than the non-skin dough sheet that the absorber leans on non-skin surface side, wherein,

The absorber has to abut in the discharge port to be extended between region and the posterior region on the width The 1st low weight per unit area region,

The skin dough sheet leans on from the described 1st low weight per unit area region to weight per unit area region lower than the described 1st Have in the range of the region of rear side not with being located at the disengaged area engaged than the skin dough sheet by the component of non-skin surface side Domain,

The absorbent commodity has the side rearward of the 1st low weight per unit area region described in ratio in the non-set out region Region extends and is used for the broken line for folding the absorbent commodity along the width.

2. absorbent commodity according to claim 1, wherein,

The absorbent commodity has the adhesion area in the non-skin face for being located at the non-skin dough sheet,

The broken line passes through on the adhesion area.

3. absorbent commodity according to claim 2, wherein,

The adhesion area configuration is in the region of weight per unit area area coincidence not low with the described 1st.

4. according to absorbent commodity according to any one of claims 1 to 3, wherein,

Side region in the rear, across the center for linking the width center line in both sides formed with along described front and rear A pair of strip compression units of direction extension,

The broken line configuration is in the position than the pair of forward side of strip compression unit.

5. according to absorbent commodity according to any one of claims 1 to 4, wherein,

The broken line is the 2nd broken line,

The absorbent commodity have the 2nd broken line the 1st broken line F1 that extends along the width of rear side and The 3rd broken line that the front side of 2nd broken line extends along the width,

The absorbent commodity is configured to be rolled over according to the order of the 1st broken line, the 2nd broken line and the 3rd broken line It is folded.

6. absorbent commodity according to claim 5, wherein,

The absorber in the rear side region have it is outer from the described 2nd low weight per unit area region to the width 3rd low weight per unit area region of side extension,

1st broken line passes through the described 3rd low weight per unit area region.