CN206642003U

CN206642003U - Pants type absorptive article

Info

Publication number: CN206642003U
Application number: CN201621253085.5U
Authority: CN
Inventors: 中尾佑马; 山本了; 山本了一
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2015-12-08
Filing date: 2016-11-22
Publication date: 2017-11-17
Anticipated expiration: 2026-11-22
Also published as: RU175534U1; JP2017104197A; JP6791625B2

Abstract

The utility model provides a kind of pants type absorptive article.Pants type absorptive article (1), the non-woven fabrics for forming exterior body (3) use the spun-bonded non-woven fabrics with fiber weld portion (33).There are the spun-bonded non-woven fabrics in the interface configurations for the exterior body (3) for forming side seal portion (S).Side seal portion (S) is that sealing portion (5) is intermittently configured on longitudinal X and is formed.The pitch (P) between the adjacent sealing portion (5) most leaned on waist opening portion WO sides or most lean on leg opening part LO sides in side seal portion (S), the largest interval (D) between adjacent fiber weld portion (33) than forming the spun-bonded non-woven fabrics are small.

Description

Pants type absorptive article

Technical field

It the utility model is related to the pants type absorptive articles such as disposable diaper.

Background technology

As Breeches type disposable diaper, now widely used Breeches type disposable diaper includes the suction with absorber The property received main body and configuration with respect to surface side and fix the exterior body of the absorbent main body in the non-skin of the absorbent main body, and predecessor Exterior body left and right sides edge and rear body exterior body the engagement of left and right sides edge and form a pair of side seal portions, waist opening portion With a pair of leg opening parts.This Breeches type disposable diaper is to tear side seal portion and block in the portion to take off.

In JP 2013-146419 publications, a kind of Breeches type disposable diaper is recorded, it has in both sides The side seal portion for intermittently configuring multiple sealing portions in the vertical and being formed.In addition, recorded in JP 2013-146419 publications Diaper possessed by each side seal portion, in order to take into account wearing in sufficient intensity and tear easiness, by the weld portion of point-like Row arrange multiple dot patterns formed and formed, the side seal portion small thin welding area of the area with each weld portion in the vertical The big close welding area with the area of each weld portion.

As technology unlike those described above, in WO2011/122277A1 publications, a kind of non-woven fabrics is recorded, it has There are embossed portion and non-embossed portion, wherein, embossed portion is made up of the embossed pattern arranged in a manner of meeting rated condition.According to Non-woven fabrics described in WO2011/122277A1 publications, embossing rate is low, and flexibility is excellent, and resistance to fluffing property is also excellent.

The content of the invention

A kind of pants type absorptive article is the utility model is related to, it includes exterior body and is fixed on the inner side of the exterior body Absorbent main body, there is when wear the exterior body configuration to be worn in the ventral region of the veutro of wearer and configuring when wearing The dorsal part region of the dorsal part for the person of wearing, the engagement of the respective both sides edge in the ventral region and the dorsal part region and formed with a pair Side seal portion, also, formed with waist opening portion and a pair of leg opening parts.Form in multiple non-woven fabrics of the exterior body extremely A few part is spun-bonded non-woven fabrics, and the grammes per square metre of the spun-bonded non-woven fabrics is 20g/m²Hereinafter, and there are multiple fiber weld portions.In shape Into the ventral region of the exterior body in the side seal portion and the composition surface in the dorsal part region, the spinning is each configured with Bonded non-woven fabrics.The side seal portion is intermittently to configure sealing portion on the longitudinal direction of the pants type absorptive article and formed. In the side seal portion most by waist opening portion side or most by the adjacent in the vertical described of the leg opening part side Pitch (P) between sealing portion, between the adjacent fiber weld portion than forming the spun-bonded non-woven fabrics Largest interval (D) is small.

Brief description of the drawings

Fig. 1 is the shorts for the preferable embodiment for schematically showing pants type absorptive article of the present utility model The stereogram of type disposable diaper.

Fig. 2 is the plan for the expansion and elongation state for schematically showing the diaper shown in Fig. 1.

Fig. 3 is the sectional view in the III-III lines section for schematically showing Fig. 1.

Fig. 4 is the plan in a side seal portion of the diaper shown in top view Fig. 1.

Fig. 5 be represent cut off and under form before forming a side seal portion of the diaper shown in Fig. 1, sealing portion With the major part amplification view of the configuration relation of fiber weld portion.

Fig. 6 is the diaper for another embodiment for representing pants type absorptive article of the present utility model in formation one The major part amplification view of the configuration relation of sealing portion and fiber weld portion is (equivalent to Fig. 5 under form before side seal portion Figure).

Embodiment

In recent years, in the pants type absorptive articles such as disposable diaper, the nothing felt good that flexibility is excellent is used The chance for spinning cloth is increasing.But in JP 2013-146419 publications and WO2011/122277Al publications, close When the side seal portion that will be formed using the exterior body engagement of the low soft spun-bonded non-woven fabrics of embossing rate is being torn, make composition each The sealing portion in side seal portion has the content of stable sealing strength, without any record.If sealing portion is without stable envelope Intensity is closed, then side seal portion is difficult to tear, and needs to take excessive time when discarded and the time.

Therefore, problem of the present utility model is, there is provided a kind of to eliminate the short of above-mentioned prior art disadvantage Pants type absorbent commodity.

Hereinafter, for the utility model, according to its preferred embodiment, it is described with reference to the accompanying drawings.Institute as shown in Figure 1, Figure 2 Show, an embodiment of pants type absorptive article of the present utility model is that Breeches type disposable diaper 1 includes exterior body 3 and consolidated It is scheduled on the absorbent main body 2 of the inner side of exterior body 3.Configuration is being worn when exterior body 3 has the outer surface for forming diaper 1 and worn The ventral region A of the veutro of person and configuration when wearing are in the dorsal part region B of the dorsal part of wearer.In diaper 1, ventral region A In exterior body 3 both sides edge A1, A1 and the exterior body 3 in the B of dorsal part region both sides edge B1, B1 engagement and formed with one To side seal portion S, S, and formed with waist opening portion WO and a pair of leg opening parts LO, LO.

Diaper 1 has the fore-and-aft direction equivalent to wearer as shown in Fig. 2 in top view expansion and elongation state Longitudinal X and orthogonal to that horizontal Y.Diaper 1 can be divided into when wearing configuration in the crotch region C of the crotch of wearer and Positioned at its longitudinal X front and rear ventral region A and dorsal part region B.Exterior body 3 in crotch region C is on the left side along its longitudinal X Right depressed part of the both sides edge formed with leg opening part LO, LO formation.Diaper 1 as shown in Fig. 2 with by diaper 1 in longitudinal X It is boundary to be divided into two-part imagining center line CL1, can be divided into predecessor F and rear body R.

In this manual, skin opposite face is pants type absorptive article or its component parts (such as absorbent main body) In, when wearing towards the face of the skin side of wearer, non-skin opposite face is pants type absorptive article or its component parts In, when wearing towards the skin side of wearer opposite side (side of wearing the clothes) face.In diaper 1, longitudinal X with along diaper 1 Or its component parts be the long side of absorbent main body 2 direction (longitudinal direction) unanimously, horizontal Y and disposable diaper or its component parts That is the width of absorbent main body 2 is consistent.

In addition, diaper 1 is enantiomorphic form relative to the vertical center line CL2 extended along longitudinal X.Therefore, said in following It is main that only a side is illustrated for symmetrical part in bright.

In diaper 1, as shown in Fig. 2 absorbent main body 2 has the shape of the relatively long lengthwise of a direction (longitudinal X) Shape.Absorbent main body 2 exists including forming the positive dough sheet 2a of skin opposite face, the back sheet 2b of the non-skin opposite face of formation and configuration The absorber 2c of liquid retainability between this two panels.Absorber 2c has in the shape with length on longitudinal X identicals direction.Absorb Property main body 2 make its longitudinal direction with deploy and elongation state diaper 1 longitudinal X it is consistent, pass through known engagement means (bonding agent Deng) it is bonded on the central portion of exterior body 3.So-called expansion and elongation state, refer to tear side seal portion S as shown in Figure 2, make diaper 1 turns into deployed condition, and the diaper 1 of the deployed condition, which is extended down to, to be extended the elastomeric element in each portion and reach design size The state of (identical with the size when expanding to plane in the state of excluding the influence of all elastomeric elements).

At least a portion formed in multiple non-woven fabrics of exterior body 3 is spun-bonded non-woven fabrics.Moreover, in diaper 1, the spinning Bonded non-woven fabrics are arranged respectively at the ventral region A and dorsal part region B for the exterior body 3 to form each side seal portion S composition surface.Preferably It is, in diaper 1, as shown in Fig. 2 exterior body 3 extends in the longitudinal direction from longitudinal X of absorbent main body 2 front and rear end. In addition, as shown in figure 3, the lit-par-lit structure that exterior body 3 is laminated for multiple non-woven fabrics, includes institute's layer on longitudinal X of diaper 1 The relatively small number of few laminated section of the number of the relatively large number of multi-laminate portion 3m of number of folded non-woven fabrics and the non-woven fabrics being laminated 3f.It is further preferred that the outer-skin sheet 31 of outer surface (the non-skin opposite face of exterior body 3) of the exterior body 3 including forming diaper 1, Configure the inner surface side of the outer-skin sheet 31 formed the inner surface (the skin opposite face of exterior body 3) of diaper 1 inner layer piece 32, And the more wire or the elastomeric element 4 of banding that are fixed between two panels 31,32 and form.Outer-skin sheet 31 and inner layer piece 32 respectively by From ventral region A to dorsal part region B, a continuous non-woven fabrics is formed.Lead between outer-skin sheet 31 and inner layer piece 32 in predetermined portion Cross the engagement means engagement of bonding agent or heat-sealing etc. (not shown) and form lit-par-lit structure.

In addition, in diaper 1, as shown in Figure 2 and Figure 3, outer-skin sheet 31 has more solid than being clamped by outer-skin sheet 31 and inner layer piece 32 Surely the length that the more waist elastic members 4a described later of elastomeric element 4 region is further extended on longitudinal X is formed.Should The region 31e that extends of the outer-skin sheet 31 of extension goes back to the side of absorbent main body 2, and longitudinal X of absorbent main body 2 end is covered Lid, engaged by bonding agent or heat-sealing etc. (not shown) engagement means to form lit-par-lit structure.In diaper 1, multi-laminate portion 3m For the part for extending region 31e and being laminated of outer-skin sheet 31, inner layer piece 32 and outer-skin sheet 31, few laminated section 3f is only outer layer The part that piece 31 and inner layer piece 32 are laminated.So, in diaper 1, multi-laminate portion 3m, which is formed at, is configured with outer-skin sheet 31 Region 31e region is extended, is formed at from waist opening portion WO periphery to the end for the longitudinal X for covering absorbent main body 2 The region of position.

In diaper 1, as shown in Figure 2 and Figure 3, the ventral region A of each side seal portion S exterior body 3 and dorsal part region are being formed B composition surface, be configured with the multi-laminate portion 3m to form ventral region A sides outer-skin sheet 31 extend region 31e and formed dorsal part The multi-laminate portion 3m of region B sides outer-skin sheet 31 extends region 31e, in addition, being configured with the few stacking to form ventral region A sides The inner layer piece 32 of portion 3f inner layer piece 32 and few laminated section 3f of formation dorsal part region B sides.As described above, in diaper 1, in shape Spun-bonded non-woven fabrics are each configured with into the ventral region A and dorsal part region B of each side seal portion S exterior body 3 composition surface, therefore In diaper 1, the outer-skin sheet 31 of ventral region A sides and the outer-skin sheet 31 of dorsal part region B sides are made up of spun-bonded non-woven fabrics, in addition, abdomen The inner layer piece 32 of side region A sides and the inner layer piece 32 of dorsal part region B sides are made up of spun-bonded non-woven fabrics.That is, in diaper 1, outer layer Piece 31 and inner layer piece 32 are made up of a continuous spun-bonded non-woven fabrics from ventral region A to dorsal part region B respectively.

The spun-bonded non-woven fabrics have multiple fiber weld portions 33.Fiber weld portion 33 integrally disperses to match somebody with somebody in spun-bonded non-woven fabrics Put, for by forming fibroplastic layer as long stapled, the set of this composition fiber being formed into spun-bonded non-woven fabrics, no Including it is between above-mentioned outer-skin sheet 31 and inner layer piece 32, implement to form lit-par-lit structure the junction surface that heat-sealing etc. formed (not shown).In this spun-bonded non-woven fabrics, the fibre density of fiber weld portion 33 formed must be than fiber weld portion 33 beyond The fibre density of other parts is high.

From the viewpoint of rigidity is reduced, each piece of the grammes per square metre of the spun-bonded non-woven fabrics is 209/m²Hereinafter, it is preferably 189/m²Below.Moreover, the lower limit of the grammes per square metre as spun-bonded non-woven fabrics, preferably 109/m²More than.In addition, in diaper 1, Spun-bonded non-woven fabrics used in outer-skin sheet 31 are identical with the grammes per square metre of spun-bonded non-woven fabrics used in inner layer piece 32, but can not also Together.

In diaper 1, the fiber orientation directions that the spun-bonded non-woven fabrics preferably comprise fiber are the horizontal Y phases with diaper 1 Same direction.

From the viewpoint of as the good non-woven fabrics of soft, sense of touch, multiple fiber weld portions of the spun-bonded non-woven fabrics 33 respective areas are preferably 0.3mm²Hereinafter, more preferably 0.1mm²Above 0.25mm²Hereinafter, particularly preferably 0.1mm²Above 0.2mm²Below.The quantity of fiber weld portion 33 is preferably 10/cm²250/cm of the above²Hereinafter, further Preferably 35/cm²65/cm of the above²Below.In addition, in diaper 1, spun-bonded non-woven fabrics and internal layer used in outer-skin sheet 31 In spun-bonded non-woven fabrics used in piece 32,33 respective area of fiber weld portion is identical, but can also be different.

In addition, from the viewpoint of as the good non-woven fabrics of soft, sense of touch, the spun-bonded non-woven fabrics each, it is more The embossing rate of individual fiber weld portion 33, the gross area of i.e. the plurality of fiber weld portion 33 account for the table in a face of the spun-bonded non-woven fabrics The ratio (embossing rate) of area, preferably more than 6%, more preferably more than 7%, also, it is preferred that being less than 13%, enter one Step is preferably less than 10%, specifically, preferably less than more than 6% 13%, further preferred less than more than 7% 10%.Again Person, in diaper 1, in spun-bonded non-woven fabrics used in spun-bonded non-woven fabrics used in outer-skin sheet 31 and inner layer piece 32, multiple fibres It is identical to tie up the embossing rate of weld portion 33, but can also be different.

In addition, the embossed pattern of the preferred fiber weld portion 33 of spun-bonded non-woven fabrics is certain, and in diaper 1, fiber The configuration pattern of weld portion 33 is certain, and forms style by multiple fiber weld portions 33.Here, so-called fiber weld portion 33 Embossed pattern be certain, in the diaper 1 of expansion and elongation state, fiber weld portion 33 can be enumerated in longitudinal X and horizontal stroke Embossed pattern that certain compartment of terrain is distributed etc. is separated to Y.In addition, it is so-called formed by multiple fiber weld portions 33 it is certain Style, in the diaper 1 of expansion and elongation state, embossed pattern as shown in Figure 4 and Figure 5 etc. can be enumerated, i.e. by relative to Longitudinal X and horizontal Y has angle and separates the first embossing that multiple fiber weld portions 33 of certain compartment of terrain configuration are formed Portion row 33L1, it is parallel to each other and separate certain compartment of terrain configuration, by there is angle relative to longitudinal X and horizontal Y and separate The second embossed portion row 33L2 that multiple fiber weld portions 33 of certain compartment of terrain configuration are formed is parallel to each other and separates certain Compartment of terrain configures, the embossing figure that each first embossed portion row 33L1 and each second embossed portion row 33L2 forms angle [alpha] and crossed one another Case etc..Specifically, the embossed pattern of diaper 1 is two first embossed portion row 33L1,33L1 and two the second embossed portion row 33L2,33L2 intersect and form the style of certain rectangle.In diaper 1, each first embossed portion row 33L1 and each second embossing Angle (angle [alpha]) (reference picture 4) is preferably more than 45 ° formed by portion row 33L2, more preferably more than 60 °, also, it is preferred that being Less than 150 °, more preferably less than 120 °, specifically, preferably less than more than 45 ° 150 °, more preferably 60 ° Below 120 ° of the above.

Multiple fiber weld portions 33 of the spun-bonded non-woven fabrics can be enumerated：(entered by embossing by being embossed convex roller and plain-barreled roll etc. The thermo-compression bonding OK) implemented and the weld portion that is intermittently formed or the weld portion formed by ultrasonic fusing, it is applied intermittently to heat Wind and weld portion that part welding forms etc..Among them, by be thermally compressed the weld portion formed be easy to make fiber set this It is preferable on a bit.The shape of the fiber weld portion 33 is not particularly limited, such as can also be circle, rhombus, triangle The arbitrary shape such as shape.Furthermore in diaper 1, spun used in spun-bonded non-woven fabrics used in outer-skin sheet 31 and inner layer piece 32 In bonded non-woven fabrics, the shape of fiber weld portion 33 is identical, but can also be different.

In diaper 1, as shown in Fig. 2 form exterior body 3 elastomeric element 4 with elongation state configure outer-skin sheet 31 with Between inner layer piece 32.Multiple waist elastic members 4a are configured near waist opening portion WO in elastomeric element 4, utilize waist Portion elastomeric element 4a retractility, in exterior body 3 formed with waist elasticity region.In addition, match somebody with somebody near leg opening part LO Multiple leg elastic members 4c are equipped with, using leg elastic members 4c retractility, formed with leg elastic area on exterior body 3 Domain.Moreover, the region between the region configured in the region that waist elastic members 4a is configured with leg elastic members 4c, matches somebody with somebody Waist portion elastomeric element 4b is equipped with, waist portion Hookean region is formed using waist portion elastomeric element 4b retractility.Waist elasticity The horizontal Y of region and waist portion Hookean region along exterior body 3 embodies retractility.Curve of the leg elastic region along leg hole Shape embodies retractility.

In diaper 1, multiple waist portion elastomeric element 4b are in the state of transversely Y elongations, as shown in figure 3, configuration exists Outer-skin sheet 31 is extended between region 31e and inner layer piece 32, and configuration is fixed between inner layer piece 32 and outer-skin sheet 31.Urinating In cloth 1, waist portion elastomeric element 4b in its part overlapping with absorbent main body 2, has the elastomeric element as shown in Figure 1 and Figure 2 Non-telescoping portion that the embodiment of 4b retractility is inhibited by, thus partly suppress the embodiment of retractility.In waist portion elasticity In part 4b, although non-telescoping portion does not stretch, the other parts beyond non-telescoping portion (are located at the horizontal Y's of absorbent main body 2 The part of foreign side) it is flexible.Thus, in waist portion Hookean region, in addition to the configuring area of absorbent main body 2, edge Embody retractility in the left and right sides portion for longitudinal X.So, by elastomeric element 4b in its part overlapping with absorbent main body 2 With non-telescoping portion, without making absorbent main body 2 produce vertical wrinkle, it becomes possible to make longitudinal X of absorbent main body 2 end along The body of wearer.As the forming method in non-telescoping portion, it is not particularly limited, can uses and lead in this disposable diaper The method often used, for example, the method that elastomeric element 4b more carefully is cut off and makes it not stretch can be enumerated, or by using The engagement of bonding agent etc. and make method that elastomeric element 4b do not stretch etc..

Side seal portion S is that sealing portion 5 intermittently configures and formed in longitudinal X of diaper 1.In the present embodiment, each side Envelope portion S is to be configured to a row in longitudinal X in the sealing portion 5 that longitudinal X of diaper 1 is intermittently configured and formed.It is in addition, each Side seal portion S can also be that the sealing portion 5 intermittently configured in longitudinal X is arranged side-by-side multiple row in horizontal Y and formed.Urinating In cloth 1, as shown in Figure 1 and Figure 2, a pair of side seal portions S, S are a left sides of longitudinal X along exterior body 3 in predecessor F (ventral region A) Right both sides edge A1, Al and longitudinal X along exterior body 3 in rear body R (dorsal part region B) left and right sides edge B1, B1 exist In the state of overlapping into herringbone, a row are configured to and by with certain from waist opening portion WO to leg opening part LO in longitudinal X Multiple sealing portions 5 for intermittently configuring of interval engage and formed.

In diaper 1, as shown in Fig. 2 the indulging positioned at diaper 1 of a side seal portion S among forming a pair of side seal portions S, S To the position in the X sealing portion 5 for most leaning on waist opening portion WO sides, longitudinal X positioned at diaper 1 with forming another side seal portion S Most by waist opening portion WO sides sealing portion 5 position consistency.Moreover, in diaper 1, a pair of side seal portions S, S are respectively constituted In multiple sealing portions 5 that longitudinal X is intermittently configured, symmetrically configured relative to vertical center line CL2.

During 5 top view of sealing portion, although it is not particularly limited as its shape, but is sealed from when tearing side seal portion S Portion 5 is not easy from the viewpoint of transverse fissure, preferably diaper 1 horizontal Y grow rectangle, horizontal Y length triangle, in transverse direction Ellipse of Y length etc., in diaper 1, such as Fig. 1, shown in Fig. 4, be formed as the rectangle in horizontal Y length.So, in diaper 1, Each sealing portion 5 is formed as the rectangle of same shape.Furthermore sealing portion 5 from predecessor F (ventral region A) side top view when Shape with from rear body R (dorsal part region B) side top view when be shaped as identical shape.

In pants type absorptive article of the present utility model, side seal portion S most by waist opening portion WO sides or most lean on leg Pitch (P) between the sealing portion 5,5 adjacent in longitudinal X of opening portion LO sides, being formed must be than forming the spunbond nonwoven Largest interval (D) between the adjacent fiber weld portion 33,33 of cloth is small.Pitch (P) pass smaller than largest interval (D) System, if meet in each side seal portion S most by waist opening portion WO sides or most by leg opening part LO sides, but in diaper 1 In, as described above, sealing portion 5 intermittently configures at certain intervals in longitudinal X, each pitch (P) is formed must be than largest interval (D) It is small.

Here, so-called pitch (P), as shown in figure 4, meaning in longitudinal X adjacent sealing portion 5,5 one another, in indulging Distance between the front end of the waist opening portion WO sides of heart line CL2 sides.In diaper 1, the shape in each sealing portion 5 is grown in horizontal Y Rectangle, therefore so-called pitch (P), mean in longitudinal X adjacent sealing portion 5,5 one another, indulge center line CL2 sides Distance between the summit at the angle of waist opening portion WO sides.Measure can be carried out using laser displacement sensor, or by micro- Sem observation shoots photo to be measured.

In addition, the largest interval (D) between the so-called adjacent fiber weld portion 33,33, means：Deploying And in the diaper 1 of elongation state, in the case where the configuration pattern of fiber weld portion 33 is certain, in fiber adjacent longitudinal X Weld portion 33,33 mutual intervals are compared with the adjacent fiber weld portions 33 of horizontal Y, 33 mutual intervals, and wide one The interval of side.In addition, in the diaper 1 of expansion and elongation state, largest interval (D) means the configuration in fiber weld portion 33 Pattern is certain, form style by multiple fiber weld portions 33 in the case of, as shown in figure 5, in multiple fibres formed with the style Tie up in weld portion 33, apart from farthest fiber weld portion 33,33 mutual intervals.At this moment the farthest fiber weld portion of distance 33rd, 33 mutual interval, the meaning are to determine two fibers that distance is farthest in multiple fiber weld portions 33 formed with style Weld portion 33,33, link distance farthest in the distance between the two fiber weld portions 33,33.Spun used in outer-skin sheet 31 In spun-bonded non-woven fabrics used in bonded non-woven fabrics and inner layer piece 32, fiber weld portion 33 it is variform in the case of, the meaning It is to be spun used in the fiber weld portion 33 to spun-bonded non-woven fabrics used in inner layer piece 32,33 mutual intervals and outer-skin sheet 31 The interval of wide side when the fiber weld portion 33 of bonded non-woven fabrics, 33 mutual intervals are compared.Measure is to use laser Displacement transducer is carried out, or is measured by micro- sem observation or shooting photo.

It is adjacent in longitudinal X from the viewpoint of the skin sense of touch and the sealing strength of side seal portion S stabilization for taking into account diaper 1 Sealing portion 5,5 between pitch (P) relative to the largest interval between the adjacent fiber weld portion 33,33 (D) ratio ((P/D) × 100) is preferably more than 15%, and more preferably more than 30%, also, it is preferred that be less than 85%, More preferably less than 70%, specifically, preferably less than more than 15% 85%, more preferably more than 30% 70% Below.

From the viewpoint of the skin sense of touch for improving diaper 1, between the adjacent fiber weld portion 33,33 most Large-spacing (D) is preferably more than 6mm, more preferably more than 8mm, also, it is preferred that being below 12mm, more preferably Below 10mm, specifically, preferably more than 6mm below 12mm, more preferably more than 8mm below 10mm.

As described above, in diaper 1, each sealing portion 5 is formed as the rectangle of same shape.Therefore, in diaper 1, from From the viewpoint of the sealing strength for ensuring side seal portion S stabilization, on the direction (horizontal Y) that preferably sealing portion 5 extends in sealing portion 5 Length (L) (reference picture 5) it is bigger than the pitch (P) between the adjacent sealing portions 5,5 of longitudinal X.Go out from same viewpoint Send out, the length (L) on the direction of the extension in sealing portion 5 is relative to the pitch between the adjacent sealing portions 5,5 of longitudinal X (P) ratio ((L/P) × 100) is preferably more than 40%, more preferably more than 60%, also, it is preferred that for 120% with Under, more preferably less than 100%, specifically, preferably less than more than 40% 120%, more preferably 60% with Upper less than 100%.

From the viewpoint of the sealing strength of stabilization for ensuring side seal portion S, sealing portion 5,5 adjacent longitudinal X each other it Between pitch (P) be preferably more than 1mm, more preferably more than 2mm, also, it is preferred that be below 4mm, more preferably Below 3mm, specifically, preferably more than 1mm below 4mm, more preferably more than 2mm below 3mm.

In addition, from the same viewpoint, the length (L) on the bearing of trend in sealing portion 5 is preferably more than 1mm, enters one Step is preferably more than 2mm, also, it is preferred that being below 4mm, more preferably below 3mm, specifically, preferably more than 1mm Below 4mm, more preferably more than 2mm below 3mm.

As described above, in diaper 1, each sealing portion 5 is formed as the rectangle of same shape.Therefore, in diaper 1, from From the viewpoint of the sealing strength for taking into account the skin sense of touch of diaper 1 and side seal portion S stabilization, with regard to each side seal portion S each sealing portion 5 For, preferably the length of the profile in sealing portion 5, i.e. its girth (LC) (reference picture 5) is between fiber weld portion 33,33 Largest interval (D) is below.From the same viewpoint, the length (LC) of the profile in each sealing portion 5 is relative to the adjacent fibre The ratio ((LC/D) × 100) of largest interval (D) between dimension weld portion 33,33 is preferably more than 20%, further excellent Elect more than 40% as, also, it is preferred that for less than 100%, more preferably less than 80%, specifically, preferably 20% with Upper less than 100%, more preferably less than more than 40% 80%.

In diaper 1, from the viewpoint of the sealing strength of stabilization for ensuring side seal portion S, the length of the profile in each sealing portion 5 It is preferably more than 1mm to spend (LC), more preferably more than 1.5mm, also, it is preferred that being below 6mm, more preferably 5mm Hereinafter, specifically, preferably more than 1mm below 6mm, more preferably more than 1.5mm below 5mm.

In addition, in diaper 1, from the viewpoint of the sealing strength of stabilization for ensuring side seal portion S, with the spunbond nonwoven The quantity in the overlapping sealing portion 5 of the fiber weld portion 33 of cloth relative to the quantity in the sealing portion 5 for forming side seal portion S ratio, In each side seal portion S, preferably more than 30%, more preferably more than 50%, also, it is preferred that be less than 100%, it is further excellent Elect less than 80% as, specifically, preferably less than more than 30% 100%, more preferably less than more than 50% 80%. This, the so-called sealing portion 5 overlapping with fiber weld portion 33, as shown in figure 5, meaning at least a portion and fiber in sealing portion 5 The overlapping sealing portion 5a of weld portion 33.

In diaper 1, from the viewpoint of the sealing strength of stabilization for ensuring side seal portion S, a side seal portion S envelope is formed The heat seal strength in conjunction portion 5 is preferably more than 0.2N, more preferably more than 0.5N, also, it is preferred that be below 4N, it is further excellent Elect below 3N as, specifically, preferably more than 0.2N below 4N, more preferably more than 0.5N below 3N.One sealing The measure of the heat seal strength in portion 5 is measured with following operation.

The assay method ＞ of the heat seal strength in mono- sealing portion 5 of ＜

Side seal portion S is cut along longitudinal X of diaper 1 from diaper 1.Veutro is used as when cutting side seal portion S, during determining The respective clamping termination in region A sides and dorsal part region B sides, in side seal portion, S horizontal Y reservations more than length 10mm state is cut Under.

Then, from the side seal portion S longer on longitudinal X with multiple sealing portions 5 cut, to retain in longitudinal X The mode in one sealing portion 5, next sealing portion 5 is cut in the lateral direction y, as print.

The sealing strength of the multiple prints cut with stretching test machine determination.When carrying out the measure, by each print , the side seal portion S clamping termination of ventral region A sides and the clamping termination of dorsal part region B sides be clipped on chuck, in 180 degree phase Opposite direction stretches (stripping of T words).The direct of travel of stripping when peeling off the sealing portion 5 of print (seals with the width in sealing portion 5 The direction that conjunction portion 5 extends) it is equidirectional.

It is measured with draw speed (the expansion speed of distance between chuck) 300mm/min, tries to achieve maximum intensity.With 5 Print is measured, using the average adhesive strength (N) as a sealing portion 5 of the maximum intensity of multiple prints of measure.

The formation material in each portion of above-mentioned diaper 1 is illustrated.

As the outer-skin sheet 31 and inner layer piece 32 for forming exterior body 3, not only include the net that will be made up of above-mentioned long fibre The spun-bonded non-woven fabrics for being fixed and being formed using fiber weld portion 33, but also the spunbond nonwoven including will be formed by long fibre The stacking non-woven fabrics that cloth is laminated and is fixed and is formed using fiber weld portion 33.As this stacking non-woven fabrics, can enumerate Spunbond-meltblown-spunbond folds non-woven fabrics (SMS non-woven fabrics, Spunbond Meltblown Spunbond) or spunbond-melt blown-molten Spray-spun-bonded non-woven fabrics (SMMS non-woven fabrics, Spunbond Meltblown Meltblown Spunbond) etc..Using this In the case of being laminated non-woven fabrics, the exterior to form each side seal portion S is respectively arranged at the spun-bonded non-woven fabrics of composition stacking non-woven fabrics The mode on the ventral region A and dorsal part region B of body 3 composition surface uses.

The welding known to such as using heat-sealing, high frequency sealing, ultrasonic sealing function of sealing portion 5 for forming side seal portion S is processed Method is formed.

It is not particularly limited, can makes as positive dough sheet 2a, back sheet 2b and absorber 2c for forming absorbent main body 2 etc. With always used various sheet materials of the absorbent commodities such as disposable diaper etc..For example, as positive dough sheet 2a, individual layer can be used Or the non-woven fabrics of multi-ply construction or apertured film etc..As back sheet 2b, resin film or resin film and non-woven fabrics can be used Layered product etc..As absorber 2c, the clad sheet that can use to be made up of cotton paper etc. coats the collection by fibers such as paper pulp fibers The absorbent core of fit (can also be non-woven fabrics) composition or the absorbability for making it keep the particle of water absorbent polymer to be formed Core and the absorber formed.

As the formation material of elastomeric element 4, such as styrene butadiene, butadiene, isoprene, chlorine can be enumerated The synthetic rubber such as buna, natural rubber, EVA, expandable polyolefin hydrocarbon, polyurethane etc..As the form of elastomeric element, Neng Gouyou Choosing uses wire (line rubber etc.) or the bandings (flat rubber etc.) such as rectangular cross-section, square, circle, ellipse or polygon Form or multi-fiber d type the form of wire etc..As the bonding agent of each part of fixation, it is not particularly limited, can uses Always used various hot-melt adhesives of the absorbent commodities such as disposable diaper etc..

To being illustrated using action effect during above-mentioned diaper 1.

In diaper 1, as shown in Figures 4 and 5, in side seal portion S most by waist opening portion WO sides or most lean on leg opening Pitch (P) between the sealing portion 5,5 adjacent in longitudinal X of portion LO sides, being formed must be than forming the spun-bonded non-woven fabrics Largest interval (D) between adjacent fiber weld portion 33,33 is small.Therefore, the skin sense of touch of diaper 1 is good, side seal portion S With stable sealing strength.Thus, sufficient sealing strength is able to ensure that when wearing diaper 1, and tearing side seal portion S When be easy to tear off, need not be taken excessive time when discarded and the time.

In addition, in diaper 1, as shown in Figure 4 and Figure 5, each side seal portion S most by waist opening portion WO sides and most lean on leg Pitch (P) between the sealing portion 5,5 adjacent in longitudinal X of opening portion LO sides, being formed must melt respectively than adjacent fiber Largest interval (D) between socket part 33,33 is small.Therefore, no matter from waist opening portion WO sides or leg opening part LO sides Side seal portion S can be torn, it is easy to use.

In addition, in diaper 1, as shown in Figure 4 and Figure 5, each sealing portion 5,5 adjacent in longitudinal X in each side seal portion S that Pitch (P) between this, being formed respectively must be smaller than the largest interval (D) between adjacent fiber weld portion 33,33.Cause This, sufficient sealing strength is can further ensure that when wearing diaper 1, and when tearing side seal portion S, it is easier to tear, It need not be taken excessive time when discarded and the time.

The utility model is illustrated according to its preferred embodiment above, but pants type of the present utility model is inhaled The property received article can be changed suitably not by above-mentioned embodiment any restrictions.

For example, above-mentioned embodiment is that the utility model is applied to the example of Breeches type disposable diaper 1, but can also Substitute the Breeches type disposable diaper 1, the utility model is applied to other pants type absorptive articles, such as the life of pants type Reason sanitary napkin etc..

In addition, the embossed pattern implemented to the exterior body 3 of the diaper 1 of above-mentioned embodiment, is two the first embossed portion row 33L1,33L1 and two second embossed portion row 33L2,33L2 intersect to form the style of certain rectangle (quadrangle), but can also The style of the polygon formed beyond quadrangle.Specifically, the structure of as shown in Figure 6 or formation hexagon style Into.Alternatively, it is also possible to formed beyond a kind of style of polygon, the structure of shape or a variety of styles of different sizes is also formed Into.In the case of being this shape, it is preferred that the multiple sealing portions 5 for forming side seal portion S extend parallel in the lateral direction y, phase The direction (horizontal Y) extended for sealing portion 5, multiple fiber weld portions 33 of the spun-bonded non-woven fabrics are with more than three kinds of angle Intersect.In the form shown in Fig. 6, fiber weld portion 33a and angle, the fiber weld portion in the sealing portion 5 of horizontal Y extensions 33b and angle and fiber weld portion 33c in the sealing portion 5 of horizontal Y extensions and the angle in the sealing portion 5 of horizontal Y extensions, It is different.That is, pitched in sealing portion 5 and fiber weld portion 33a, 33b, 33c of horizontal Y extensions with three kinds of angle of intersection.In Fig. 6 In shown form, sufficient sealing strength is able to ensure that when wearing diaper 1.

In addition, the diaper 1 of described embodiment is as shown in figure 4, form a side seal portion S in a pair of side seal portions S, S Longitudinal X positioned at diaper 1 most by waist opening portion WO sides sealing portion 5 position, with form another side seal portion S position Position consistency in longitudinal X of the diaper 1 sealing portion 5 for most leaning on waist opening portion WO sides, but can also be inconsistent.I.e., respectively A pair of side seal portions S, S multiple sealing portions 5 intermittently configured on longitudinal X are formed, can also be left relative to vertical center line CL2 The right side asymmetricly configures.

In addition, the diaper 1 of described embodiment as shown in figure 3, the multi-laminate portion 3m of exterior body 3 be by outer-skin sheet 31, The extending region 31e stackings of inner layer piece 32 and outer-skin sheet 31 and formed, but other auxiliary piece can also be used to substitute outer layer Piece 31 extends region 31e, and outer-skin sheet 31, inner layer piece 32 and the auxiliary piece are laminated and formed.In this case, as long as internal layer Piece 32 and the auxiliary piece are formed with spun-bonded non-woven fabrics, and outer-skin sheet 31 can also be formed without spun-bonded non-woven fabrics.In addition, also may be used So that in exterior body 3, without multi-laminate portion 3m and few laminated section 3f, but the lit-par-lit structure that forms of the piece for being laminated identical quantity is outer Fill body.In this case, as long as inner layer piece 32 is formed with spun-bonded non-woven fabrics, outer-skin sheet 31 can also not have to spun-bonded non-woven fabrics Formed.

On above-mentioned embodiment of the present utility model, following pants type absorptive article is also disclosed.

The ＞ of ＜ 1

A kind of pants type absorptive article, it includes exterior body and is fixed on the absorbent main body of the inner side of the exterior body, The exterior body includes configuration when wear in the ventral region of the veutro of wearer and the dorsal part in wearer is configured when wearing Dorsal part region, the engagement of the respective both sides edge in the ventral region and the dorsal part region and formed with a pair of side seal portions, also, Formed with waist opening portion and a pair of leg opening parts, wherein, form at least one in multiple non-woven fabrics of the exterior body It is divided into spun-bonded non-woven fabrics, the grammes per square metre of the spun-bonded non-woven fabrics is 20g/m²Hereinafter, and there are multiple fiber weld portions, described in formation The ventral region of the exterior body in side seal portion and the composition surface in the dorsal part region, are each configured with the spunbond nonwoven Cloth, the side seal portion are intermittently to configure sealing portion on the longitudinal direction of the pants type absorptive article and formed, the side The sealing portion adjacent in the vertical most leaned on waist opening portion side or most lean on the leg opening part side in envelope portion Pitch (P) each other, between the maximum between the adjacent fiber weld portion than forming the spun-bonded non-woven fabrics It is small every (D).

The ＞ of ＜ 2

According to the pants type absorptive article described in the above-mentioned ＞ of ＜ 1, wherein, the profile in the sealing portion in the side seal portion Largest interval (D) of the length (LC) between the fiber weld portion below.

The ＞ of ＜ 3

According to the pants type absorptive article described in the above-mentioned ＞ of ＜ 1 or the ＞ of ＜ 2, wherein, the institute with the spun-bonded non-woven fabrics The quantity in the overlapping sealing portion of fiber weld portion is stated relative to the ratio of the quantity in the sealing portion for forming the side seal portion Example, it is more than 30% in the side seal portion.

The ＞ of ＜ 4

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 3, wherein, form the side seal In the sealing portion in portion, the sealing portion extension direction length (L) than the longitudinally adjacent sealing portion that Pitch (P) between this is big.

The ＞ of ＜ 5

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 4, wherein, form the side seal Multiple sealing portions in portion extend in the same direction, the direction extended relative to the sealing portion, the spun-bonded non-woven fabrics Multiple fiber weld portions are with more than three kinds of angular cross.

The ＞ of ＜ 6

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 5, wherein, form the spunbond The embossing rate of multiple fiber weld portions of non-woven fabrics is less than more than 6% 13%.

The ＞ of ＜ 7

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 6, wherein, form the side seal Below the heat seal strength stomach 0.2N above 4N in one sealing portion in portion.

The ＞ of ＜ 8

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 7, wherein, the exterior body bag The outer-skin sheet and configuration for including the non-skin opposite face to form the exterior body form the exterior body in the inner surface side of the outer-skin sheet Skin opposite face inner layer piece,

The outer-skin sheet and the inner layer piece are spun by continuous one from the ventral region to the dorsal part region respectively Bonded non-woven fabrics are formed.

The ＞ of ＜ 9

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 8, wherein, it is rigid from reducing Viewpoint is set out, and the grammes per square metre of each of the spun-bonded non-woven fabrics is 20g/m²Hereinafter, preferably 18g/m²Hereinafter, as the spunbond The lower limit of the grammes per square metre of non-woven fabrics, preferably 10g/m²More than.

The ＞ of ＜ 10

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 9, wherein, the exterior body bag The outer-skin sheet and configuration for including the non-skin opposite face to form the exterior body form the exterior body in the inner surface side of the outer-skin sheet Skin opposite face inner layer piece,

The grammes per square metre for the spun-bonded non-woven fabrics that the spun-bonded non-woven fabrics that the outer-skin sheet uses use with the inner layer piece is identical.

The ＞ of ＜ 11

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 10, wherein, the spunbond nonwoven The composition fiber orientation directions of fiber of cloth and the transverse direction of the pants type absorptive article are equidirectional.

The ＞ of ＜ 12

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 11, wherein, from as soft and From the viewpoint of the good non-woven fabrics of skin sense of touch, multiple respective areas of fiber weld portion of the spun-bonded non-woven fabrics are excellent Elect 0.3mm as²Hereinafter, more preferably 0.1mm²Above 0.25mm²Hereinafter, particularly preferably 0.1mm²Above 0.2mm²With Under.

The ＞ of ＜ 13

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 12, wherein, the fiber welding The quantity in portion is preferably 10/cm²250/cm of the above²Hereinafter, more preferably 35/cm²65/cm of the above²Below.

The ＞ of ＜ 14

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 13, wherein, from as soft and From the viewpoint of the good non-woven fabrics of skin sense of touch, in each of the spun-bonded non-woven fabrics, multiple fiber weld portions Embossing rate, the gross area of i.e. the plurality of fiber weld portion account for the ratio (embossing rate) of the surface area in a face of the spun-bonded non-woven fabrics Preferably more than 6%, more preferably more than 7%, preferably less than 13%, more preferably less than 10%.

The ＞ of ＜ 15

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 14, wherein, the exterior body bag The outer-skin sheet and configuration for including the non-skin opposite face to form the exterior body form the exterior body in the inner surface side of the outer-skin sheet Skin opposite face inner layer piece,

It is multiple described in spun-bonded non-woven fabrics used in spun-bonded non-woven fabrics used in the outer-skin sheet and the inner layer piece The embossing rate of fiber weld portion is identical.

The ＞ of ＜ 16

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 15, wherein, the spunbond nonwoven The embossed pattern of the fiber weld portion of cloth be preferably it is certain, in the pants type absorptive article, the fiber welding The configuration pattern in portion is certain, and forms style by multiple fiber weld portions.

The ＞ of ＜ 17

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 16, wherein, the fiber welding The embossed pattern in portion is that two the first embossed portion row and two the second embossed portion row intersect and are formed as the style of certain rectangle.

The ＞ of ＜ 18

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 17, wherein, the fiber welding The embossed pattern in portion is that two the first embossed portion row and two the second embossed portion row intersect and form the style of certain rectangle,

Each first embossed portion row are preferably more than 45 ° with angle α formed by each second embossed portion row, further excellent More than 60 ° are elected as, also, it is preferred that for less than 150 °, more preferably less than 120 °.

The ＞ of ＜ 19

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 18, wherein, the exterior body bag The outer-skin sheet and configuration for including the non-skin opposite face to form the exterior body form the exterior body in the inner surface side of the outer-skin sheet Skin opposite face inner layer piece,

In the spun-bonded non-woven fabrics that the spun-bonded non-woven fabrics and the inner layer piece that the outer-skin sheet uses use, the fiber welding The shape in portion is identical.

The ＞ of ＜ 20

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 19, wherein, each side seal portion Be the sealing portion intermittently configured on longitudinal X of the pants type absorptive article a row are configured on longitudinal X and Formed.

The ＞ of ＜ 21

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 20, wherein, the pair of side seal Portion is the left and right sides edge along longitudinal direction of the exterior body in the ventral region and the institute in the dorsal part region State exterior body the left and right sides edge along longitudinal direction be overlapped into herringbone in the state of, from from the waist opening portion to described Multiple sealing portions that leg opening part is configured to a row and intermittently configured at certain intervals in the vertical engage and shape Into.

The ＞ of ＜ 22

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 21, wherein, the sealing portion exists During vertical view, its shape is not particularly limited, but the three of long rectangle preferably on the horizontal Y of diaper 1, in the lateral direction y length Angular shape, the elliptical shape grown in the lateral direction y etc..

The ＞ of ＜ 23

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 22, wherein, inhaled in the pants type In the property received article, the sealing portion is formed as rectangle long in the lateral direction y.

The ＞ of ＜ 24

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 23, wherein, it is adjacent in longitudinal X The sealing portion between pitch (P) relative to the largest interval (D) between the adjacent fiber weld portion Ratio ((P/D) × 100), preferably more than 15%, more preferably more than 30%, preferably less than 85%, further Preferably less than 70%.

The ＞ of ＜ 25

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 24, wherein, touched from skin is improved From the viewpoint of sense, the largest interval (D) between the adjacent fiber weld portion is preferably more than 6mm, further excellent Elect more than 8mm, preferably below 12mm, more preferably below 10mm as.

The ＞ of ＜ 26

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 25, wherein, the sealing portion The length (L) of bearing of trend relative to the pitch (P) between the adjacent sealing portion on longitudinal X ratio ((L/P) × 100) it is preferably more than 40%, more preferably more than 60%, also, it is preferred that being less than 120%, more preferably Less than 100%.

The ＞ of ＜ 27

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 26, wherein, from ensuring the side From the viewpoint of the sealing strength of the stabilization in envelope portion, the pitch (P) on longitudinal X between the adjacent sealing portion is preferred For more than 1mm, more preferably more than 2mm, preferably below 4mm, more preferably below 3mm.

The ＞ of ＜ 28

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 27, wherein, the sealing portion The length (L) of bearing of trend is preferably more than 1mm, more preferably more than 2mm, preferably below 4mm, more preferably Below 3mm.

The ＞ of ＜ 29

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 28, wherein, each sealing portion Profile length (LC) relative to the largest interval (D) between the adjacent fiber weld portion ratio ((LC/D) × 100), preferably more than 20%, more preferably more than 40%, preferably less than 100%, more preferably 80% with Under.

The ＞ of ＜ 30

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 29, wherein, each sealing portion The length (LC) of profile be preferably more than lmm, more preferably more than 1.5mm, preferably below 6mm, further preferably For below 5mm.

The ＞ of ＜ 31

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 30, wherein, from taking into account the side From the viewpoint of the sealing strength of the stabilization in envelope portion, the sealing portion overlapping with the fiber weld portion of the spun-bonded non-woven fabrics Quantity relative to the quantity in the sealing portion for forming the side seal portion ratio, be preferably in each side seal portion 30% with On, more preferably more than 50%, preferably less than 100%, more preferably less than 80%.

The ＞ of ＜ 32

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 31, wherein, from ensuring the side seal From the viewpoint of the sealing strength of the stabilization in portion, the heat seal strength in the sealing portion in the side seal portion is formed, is preferably More than 0.2N, more preferably more than 0.5N, preferably below 4N, more preferably below 3N.

The ＞ of ＜ 33

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 32, wherein, the exterior body is The lit-par-lit structure that multiple non-woven fabrics are laminated, be laminated non-woven fabrics is included on longitudinal X of the pants type absorptive article The relatively large number of multi-laminate portion of number and the relatively small number of few laminated section of the number of non-woven fabrics that is laminated.

The ＞ of ＜ 34

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 33, wherein, the exterior body Composition includes：Form the outer-skin sheet of the non-skin opposite face of the exterior body；Configuration forms institute in the inner surface side of the outer-skin sheet State the inner layer piece of the skin opposite face of exterior body；And the more wire or band being fixed between the outer-skin sheet and the inner layer piece The elastomeric element of shape..

The ＞ of ＜ 35

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 34, wherein, the exterior body bag The outer-skin sheet and configuration for including the non-skin opposite face to form the exterior body form the exterior body in the inner surface side of the outer-skin sheet Skin opposite face inner layer piece,

The outer-skin sheet and the inner layer piece are respectively by from the continuous nothing in the ventral region to the dorsal part region Spin cloth form, between the outer-skin sheet and the inner layer piece predetermined portion by the engagement means such as bonding agent or heat-sealing engage and Form lit-par-lit structure.

The ＞ of ＜ 36

According to the pants type absorptive article any one of the above-mentioned ＞ of 1 ＞ of ＜~＜ 35, wherein, the exterior body Composition includes：Form the outer-skin sheet of the non-skin opposite face of the exterior body；Configuration forms institute in the inner surface side of the outer-skin sheet State the inner layer piece of the skin opposite face of exterior body；And the more wire or band being fixed between the outer-skin sheet and the inner layer piece The elastomeric element of shape,

The outer-skin sheet has forms more of the elastomeric element than being gripped by the outer-skin sheet and the inner layer piece The length that the region of waist elastic members is further extended in the vertical, the outer-skin sheet extended extend region folding The absorbent main body side is returned to, and covers longitudinal end of the absorbent main body, hand is engaged using bonding agent or heat-sealing etc. Section engages and forms lit-par-lit structure.

The ＞ of ＜ 37

According to the pants type absorptive article described in the above-mentioned ＞ of ＜ 36, wherein, the exterior body is multiple nonwoven layers The folded lit-par-lit structure formed, includes the number of be laminated non-woven fabrics relatively on longitudinal X of the pants type absorptive article The relatively small number of few laminated section of the number of more multi-laminate portions and the non-woven fabrics being laminated,

The multi-laminate portion, which is formed at, to be configured with the described of the outer-skin sheet and extends the region in region, and is formed at from institute The periphery in waist opening portion is stated to the region of the position of the end for the longitudinal X for covering the absorbent main body.

Industrial utilizability

According to the utility model, the skin sense of touch of pants type absorptive article is good, and side seal portion has stable sealing strong Degree, it can be ensured that sufficient sealing strength when wearing, also, be easy to tear off when tearing side seal portion, need not spend when discarded Take excessive time and time.

Claims

1. a kind of pants type absorptive article, it includes exterior body and is fixed on the absorbent main body of the inner side of the exterior body, institute Stating exterior body includes configuration when wear in the ventral region of the veutro of wearer and the back of the body in the dorsal part of wearer is configured when wearing Side region, the engagement of the respective both sides edge in the ventral region and the dorsal part region and formed with a pair of side seal portions, and shape Into having waist opening portion and a pair of leg opening parts, the pants type absorptive article is characterised by：

At least a portion formed in multiple non-woven fabrics of the exterior body is spun-bonded non-woven fabrics, and the grammes per square metre of the spun-bonded non-woven fabrics is 20g/m²Hereinafter, and there are multiple fiber weld portions,

The ventral region of the exterior body and the composition surface in the dorsal part region in the side seal portion are being formed, is being respectively configured There are the spun-bonded non-woven fabrics,

The side seal portion is intermittently to configure sealing portion on the longitudinal direction of the pants type absorptive article and formed,

Waist opening portion side is most leaned in the side seal portion or most by the adjacent in the vertical of the leg opening part side Pitch (P) between the sealing portion, than form the adjacent fiber weld portions of the spun-bonded non-woven fabrics each other it Between largest interval (D) it is small.

2. pants type absorptive article according to claim 1, it is characterised in that：

Largest interval of the length (LC) of the profile in the sealing portion in the side seal portion between the fiber weld portion (D) below.

3. pants type absorptive article according to claim 1, it is characterised in that：

The quantity in the sealing portion overlapping with the fiber weld portion of the spun-bonded non-woven fabrics is relative to the composition side seal The ratio of the quantity in the sealing portion in portion, it is more than 30% in the side seal portion.

4. pants type absorptive article according to claim 1, it is characterised in that：

In the sealing portion for forming the side seal portion, the length (L) in the direction of sealing portion extension is than the phase on the longitudinal direction Pitch (P) between the adjacent sealing portion is big.

5. pants type absorptive article according to claim 1, it is characterised in that：

The multiple sealing portions for forming the side seal portion extend in the same direction, the direction extended relative to the sealing portion, Multiple fiber weld portions of the spun-bonded non-woven fabrics are with more than three kinds of angular cross.

6. pants type absorptive article according to claim 1, it is characterised in that：

The embossing rate for forming multiple fiber weld portions of the spun-bonded non-woven fabrics is less than more than 6% 13%.

7. pants type absorptive article according to claim 1, it is characterised in that：

The heat seal strength for forming the sealing portion in the side seal portion is more than 0.2N below 4N.

8. pants type absorptive article according to claim 1, it is characterised in that：

The exterior body includes forming the inner surface of the outer-skin sheet of the non-skin opposite face of the exterior body and configuration in the outer-skin sheet Side and the inner layer piece for forming the skin opposite face of the exterior body,

The outer-skin sheet and the inner layer piece respectively by from the continuous spunbond in the ventral region to the dorsal part region without Cloth is spun to form.

9. pants type absorptive article according to claim 1, it is characterised in that：

The grammes per square metre of each of the spun-bonded non-woven fabrics is 10g/m²Above 20g/m²Below.

10. pants type absorptive article according to claim 1, it is characterised in that：

11. pants type absorptive article according to claim 1, it is characterised in that：

The composition fiber orientation directions of fiber and the transverse direction of the pants type absorptive article of the spun-bonded non-woven fabrics are phase Tongfang To.

12. pants type absorptive article according to claim 1, it is characterised in that：

Multiple respective areas of fiber weld portion of the spun-bonded non-woven fabrics are 0.3mm²Below.

13. pants type absorptive article according to claim 1, it is characterised in that：

The quantity of the fiber weld portion is 10/cm²250/cm of the above²Below.

14. pants type absorptive article according to claim 1, it is characterised in that：

In each of the spun-bonded non-woven fabrics, the embossing rate of multiple fiber weld portions is less than more than 6% 13%.

15. pants type absorptive article according to claim 1, it is characterised in that：

In the spun-bonded non-woven fabrics that the spun-bonded non-woven fabrics and the inner layer piece that the outer-skin sheet uses use, multiple fiber weldings The embossing rate in portion is identical.

16. pants type absorptive article according to claim 1, it is characterised in that：

In the spun-bonded non-woven fabrics, the embossed pattern of the fiber weld portion is certain.

17. pants type absorptive article according to claim 1, it is characterised in that：

The embossed pattern of the fiber weld portion is that two the first embossed portion row and two the second embossed portion row intersect and are formed as The style of certain rectangle.

18. pants type absorptive article according to claim 1, it is characterised in that：

The embossed pattern of the fiber weld portion is that two the first embossed portion row and two the second embossed portion row intersect and are formed as The style of certain rectangle,

Each first embossed portion row are less than more than 45 ° 150 ° with angle α formed by each second embossed portion row.

19. pants type absorptive article according to claim 1, it is characterised in that：

In the spun-bonded non-woven fabrics that the spun-bonded non-woven fabrics and the inner layer piece that the outer-skin sheet uses use, the fiber weld portion Shape is identical.

20. pants type absorptive article according to claim 1, it is characterised in that：

Each side seal portion is the sealing portion intermittently configured on the longitudinal direction of the pants type absorptive article in the longitudinal direction On be configured to a row and formed.

21. pants type absorptive article according to claim 1, it is characterised in that：

The pair of side seal portion be the exterior body in the ventral region along longitudinal direction left and right sides edge and institute State the exterior body in dorsal part region the left and right sides edge along longitudinal direction be overlapped into herringbone in the state of, by from described Multiple institutes that waist opening portion is configured to a row to the leg opening part and intermittently configured at certain intervals in the vertical State the engagement of sealing portion and formed.

22. pants type absorptive article according to claim 1, it is characterised in that：

It is shaped as rectangle long in the transverse direction of pants type absorptive article, the length in the transverse direction when sealing portion is overlooked Triangle or long ellipse in the transverse direction.

23. pants type absorptive article according to claim 1, it is characterised in that：

In the pants type absorptive article, the sealing portion is formed as rectangle long in transverse direction.

24. pants type absorptive article according to claim 1, it is characterised in that：

Pitch (P) between the longitudinally adjacent sealing portion is relative between the adjacent fiber weld portion Largest interval (D) ratio ((P/D) × 100) be less than more than 15% 85%.

25. pants type absorptive article according to claim 1, it is characterised in that：

Largest interval (D) between the adjacent fiber weld portion is more than 6mm below 12mm.

26. pants type absorptive article according to claim 1, it is characterised in that：

The length (L) of the bearing of trend in the sealing portion is relative to the pitch between the longitudinally adjacent sealing portion (P) ratio ((L/P) × 100) is less than more than 40% 120%.

27. pants type absorptive article according to claim 1, it is characterised in that：

Pitch (P) between the longitudinally adjacent sealing portion is more than 1mm below 4mm.

28. pants type absorptive article according to claim 1, it is characterised in that：

The length (L) of the bearing of trend in the sealing portion is more than lmm below 4mm.

29. pants type absorptive article according to claim 1, it is characterised in that：

The length (LC) of the profile in each sealing portion is relative to the largest interval between the adjacent fiber weld portion (D) ratio ((LC/D) × 100) is less than more than 20% 100%.

30. pants type absorptive article according to claim 1, it is characterised in that：

The length (LC) of the profile in each sealing portion is more than 1mm below 6mm.

31. pants type absorptive article according to claim 1, it is characterised in that：

The quantity in the sealing portion overlapping with the fiber weld portion of the spun-bonded non-woven fabrics is relative to the composition side seal The ratio of the quantity in the sealing portion in portion, it is less than more than 30% 100% in each side seal portion.

32. pants type absorptive article according to claim 1, it is characterised in that：

The heat seal strength for forming the sealing portion in the side seal portion is more than 0.5N below 3N.

33. pants type absorptive article according to claim 1, it is characterised in that：

The exterior body is the lit-par-lit structure that multiple non-woven fabrics are laminated, and is included on the longitudinal direction of the pants type absorptive article The relatively small number of few stacking of the number of the relatively large number of multi-laminate portion of number for the non-woven fabrics being laminated and the non-woven fabrics being laminated Portion.

34. pants type absorptive article according to claim 1, it is characterised in that：

The exterior body includes：Form the outer-skin sheet of the non-skin opposite face of the exterior body；Configure the inner surface in the outer-skin sheet Side and the inner layer piece for forming the skin opposite face of the exterior body；And it is fixed on more between the outer-skin sheet and the inner layer piece The elastomeric element of root wire or banding.

35. pants type absorptive article according to claim 1, it is characterised in that：

The outer-skin sheet and the inner layer piece are respectively by from the continuous non-woven fabrics in the ventral region to the dorsal part region Form, engaged and formed using engagement means such as bonding agent or heat-sealings in predetermined portion between the outer-skin sheet and the inner layer piece Lit-par-lit structure.

36. pants type absorptive article according to claim 1, it is characterised in that：

The exterior body includes：Form the outer-skin sheet of the non-skin opposite face of the exterior body；Configure the inner surface in the outer-skin sheet Side and the inner layer piece for forming the skin opposite face of the exterior body；And it is fixed on more between the outer-skin sheet and the inner layer piece The elastomeric element of root wire or banding,

The outer-skin sheet has the more waists that the elastomeric element is formed than being gripped by the outer-skin sheet and the inner layer piece The length that the region of elastomeric element is further extended in the vertical, the region that extends of the outer-skin sheet extended are gone back to The absorbent main body side, and longitudinal end of the absorbent main body is covered, connect using engagement means such as bonding agent or heat-sealings Close and form lit-par-lit structure.

37. pants type absorptive article according to claim 36, it is characterised in that：

The exterior body is the lit-par-lit structure that multiple non-woven fabrics are laminated, and is included on the longitudinal direction of the pants type absorptive article The relatively small number of few stacking of the number of the relatively large number of multi-laminate portion of number for the non-woven fabrics being laminated and the non-woven fabrics being laminated Portion,

The multi-laminate portion is formed at the region for extending region for being configured with the outer-skin sheet, is formed at from the waist and opens The periphery of oral area to the position for the longitudinal end for covering the absorbent main body region.