CN110087601A - Absorbent commodity - Google Patents

Abstract

Absorbent commodity of the invention include leakage prevention sheet (13) and cover the leakage prevention sheet (13) non-skin opposite face exterior non-woven fabrics (18).Leakage prevention sheet (13) is engaged with exterior non-woven fabrics (18) via the bonding agent for being configured to striated.Exterior non-woven fabrics (18) has multiple weld portions (3).Multiple weld portions (3) configure according to the pattern that can make to contact with multiple weld portions (3) and a variety of imaginary circles of varying diameters configure repeatedly in a manner of not overlapping.In a variety of imaginary circles the diameter of the maximum big imaginary circle (4a) of diameter be the bonding agent configuration section away from length more than.

Description

Absorbent commodity

Technical field

The present invention relates to a kind of absorbent commodities.

Background technique

For absorbent commodities such as disposable diapers, it is desirable that skin soft-touch of the non-skin with respect to surface side.It is known that in order to Respond the demand, and the bonding agent by being applied as striated by leakage prevention sheet and covers the exterior non-woven fabrics of its non-skin opposite face Engagement.For example, the bonding agent shown by being applied as striated will be outside water absorption pad and waterproof in Fig. 1 of patent document 1 Cover the case where engaging between body.

In addition, inhibiting fluffing and flexibility from taking into account as non-woven fabrics used in the component for constituting absorbent commodity For viewpoint, it is known that there is the non-woven fabrics for being thermally compressed weld portion made of (embossed) with specific pattern.For example, in patent text It offers in 2, record following non-woven fabrics: embossing portion is by having the pattern of indentations structure of the unit cell pattern marked off by embossed lines At above-mentioned embossed lines make multiple embossing element portions continuously configure and constitute at intervals, in the prescribed direction, more At least one of a embossing element portion is with will be from above-mentioned any part to the outer lateral extent for the embossed lines for marking off non-embossing portion The mode of shortest direction truncation is arranged.

Existing technical literature

Patent document

Patent document 1: No. 0304631 specification of European Patent Application Publication

Patent document 2: No. 2012/0315440 specification of U.S. Patent Application Publication No.

Summary of the invention

The present invention provides a kind of absorbent commodity, is the absorbent commodity of lengthwise, including positive dough sheet, absorber, leakproof Piece and cover the leakage prevention sheet non-skin opposite face exterior non-woven fabrics, and there is length direction and orthogonal with the length direction Width direction.The leakage prevention sheet is engaged with the exterior non-woven fabrics via the bonding agent for being configured to striated.The exterior without Woven fabric has multiple weld portions.The multiple weld portion according to can make to contact with multiple weld portions and varying diameters it is more The pattern configuration that kind imaginary circle is configured repeatedly in a manner of not overlapping.The maximum big imaginary circle of diameter in a variety of imaginary circles Diameter be the bonding agent configuration section away from length more than.

Detailed description of the invention

Fig. 1 is the perspective view of the disposable diaper as one embodiment of the present invention.

Fig. 2 is the top view for indicating for disposable diaper shown in FIG. 1 to be launched into planar unfolded state.

Fig. 3 is the cross-sectional view for schematically showing the section I-I of Fig. 2.

Fig. 4 is the top view for indicating the engagement state of exterior non-woven fabrics and leakage prevention sheet of disposable diaper shown in FIG. 1.

Fig. 5 is the figure for indicating an embodiment of pattern for multiple weld portions of the invention.

Fig. 6 is the figure for indicating another embodiment of pattern of multiple weld portions of the invention.

Fig. 7 is the figure for indicating the another embodiment of pattern of multiple weld portions of the invention.

Fig. 8 is the figure for indicating the another embodiment of pattern of multiple weld portions of the invention.

Fig. 9 is the figure for indicating the another embodiment of pattern of multiple weld portions of the invention.

Figure 10 is the figure for indicating the another embodiment of pattern of multiple weld portions of the invention.

Figure 11 is indicated the figure of multiple weld portions shown in fig. 5 state Chong Die with bonding agent of the invention.

Figure 12 (a) and (b) are the enlarged drawings of zonule shown in fig. 5.

Specific embodiment

About the absorbent commodity using both the coating of above-mentioned striped and pattern of indentations, the flexibility of exterior non-woven fabrics is not filled Point, and it is easy to happen the fiber spin-off of exterior non-woven fabrics.

Therefore, problem of the present invention is that: providing a kind of can eliminate the primary of disadvantage possessed by the above-mentioned prior art Property diaper.

Hereinafter, the present invention will be described based on the preferred embodiment of the present invention and referring to attached drawing.

In fig. 1, fig. 2 and fig. 3, the disposable diaper of the embodiment as absorbent commodity of the invention is illustrated The essential structure of 1 (hereinafter also referred to as diaper 1).

As shown in Figures 2 and 3, the leakage prevention sheet 13 of the positive dough sheet 12, liquid impermeability of diaper 1 including liquid permeability, It configures the absorber 14 between two pieces 12,13 and covers the exterior non-woven fabrics 18 of the non-skin opposite face of leakage prevention sheet 13.

Positive dough sheet 12 forms the skin opposite face of diaper 1, and exterior non-woven fabrics 18 forms the non-skin opposite face of diaper 1.Institute Meaning skin opposite face refers to that diaper 1 waits absorbent commodities or its component parts, the direction dress when wearing the absorbent commodity The face of the skin side of person, so-called non-skin opposite face refer to, the equal absorbent commodities of diaper 1 or its component parts, wearing this Towards the face of the side opposite with the skin side of wearer when absorbent commodity.

About leakage prevention sheet 13, so-called liquid impermeability is the concept for also including liquid difficulty permeability, in addition to liquid is complete Other than the case where leakage prevention sheet 13 can not be penetrated, also include the case where constituting leakage prevention sheet 13 etc. by piece of water-repellancy etc..

Diaper 1 has length direction X corresponding with the front-rear direction of wearer, and diaper 1 is flat as shown in Figure 1 The width direction Y orthogonal with length direction X in the state of being unfolded to planar.In addition, diaper 1 is on length direction X, including wear When configuration the veutro of wearer veutro portion A, wear when configuration in the drosal part B of the back side of wearer and positioned at veutro portion Crotch C between A and drosal part B.Diaper 1 is flat type disposable diaper, and the two sides edge of drosal part B is provided with magic tape 7, the outer surface of veutro portion A be provided with fix the magic tape 7 button region 8.

Absorber 14 in diaper 1 includes the absorbent core 14a and clad sheet 14b for wrapping up absorbent core 14a.Absorbability Core 14a for example can by the absorbencys fiber such as paper pulp fiber product is slim or the mixing of absorbency fiber and water absorbent polymer The slim composition of product.As absorbency fiber, such as the fibres such as paper pulp fiber, rayon fibers, cotton fiber, cellulose acetate can be enumerated Tie up the hydrophilic fibre of plain class.Other than the hydrophilic fibre of cellulose family, being also able to use will be wrapped with surfactant etc. Include fiber obtained by the fiber hydrophiling of the synthetic resin such as polyolefin, polyester, polyamide.As clad sheet 14b, such as can make With toilet paper or the non-woven fabrics of water penetration.1 clad sheet 14b package absorbent core 14a can be used whole, can also by 2 with On clad sheet 14b combination and wrap up absorbent core 14a.As leakage prevention sheet 13, it is able to use liquid impermeability or water-repellancy Resin film, resin film and the laminate of non-woven fabrics etc..

Lead in the two sides of the length direction X of diaper 1 configured with the three-dimensional fold formation piece 15 with elastomeric element 15a The contraction of elastomeric element 15a is crossed, and the crotch C under wearing effect forms the three-dimensional pleat erected to the skin side of wearer Wrinkle.In addition, the configuration in crotch C passes through its receipts with elongation state configured with leg elastic members 16 at the position in leg week Contracting, and the crotch C under wearing effect forms the conformable leg creases promoted to wearer's leg week.

As shown in figure 4, leakage prevention sheet 13 in present embodiment and exterior non-woven fabrics 18 are via being configured to the bonding of striated Agent 20 engages, and the band-like bonding agent configuration section 21 extended on the length direction X of diaper 1 is formed with multiple row.As shown in figure 4, 21 interval of bonding agent configuration section and configure.Interval between the bonding agent configuration section 21 can be certain value, may not be Certain value, but be preferably as in the present embodiment certain value.It is orthogonal in the direction extended with each bonding agent configuration section 21 On direction between adjacent bonding agent configuration section 21, it is formed with the non-configuration section 22 of bonding agent of no placement of adhesives 20. In the non-configuration section 22 of bonding agent, do not engaged between leakage prevention sheet 13 and exterior non-woven fabrics 18.Each non-configuration section 22 of bonding agent with Bonding agent configuration section 21 extend direction be the same direction length direction X on extend.In the present invention, about being configured to striped The bonding agent 20 of shape, each bonding agent configuration section 21 can also extend on the width direction Y of diaper 1 respectively, but this embodiment party In the diaper 1 of formula, each bonding agent configuration section 21 extends on the length direction X of diaper 1 respectively.In general, for production mode reform Relationship, have on width direction Y for the multiple material of representative compared with high elongation rate with exterior non-woven fabrics 18, never damage passes through The elongation and for the viewpoint of good skin sense of touch and flexibility that shows, each bonding agent configuration section 21 is preferably in diaper Extend on 1 length direction X.

Hereinafter, by bonding agent 20 is configured to the region of striated, i.e. comprising 21 and of bonding agent configuration section in this way The region of the non-configuration section 22 of bonding agent is also referred to as striped the area of application 2.

Exterior non-woven fabrics 18 includes multiple weld portions 3.As shown in figure 5, multiple weld portions 3 be formed as in length direction X and The state dispersed on width direction Y.Fig. 5 is to illustrate the figure of the pattern of weld portion 3 of the invention.

In exterior non-woven fabrics 18 of the invention, multiple weld portions 3 are according to can make to contact with multiple above-mentioned weld portions and straight The pattern configuration that the different a variety of imaginary circles of diameter are configured repeatedly in a manner of not overlapping.That is, by following (1)~(3) are met Pattern configuration.

(1) a variety of imaginary circles of varying diameters can be configured in a manner of contacting respectively with multiple weld portions.

(2) a variety of above-mentioned imaginary circles can be configured in a manner of not overlapping.

(3) a variety of imaginary circles have and regularly configure repeatedly.

About the pattern for the weld portion 3 for meeting above-mentioned (1)~(3), pattern referring to Figure 5 is illustrated.

What the pattern of weld portion 3 shown in fig. 5 can contact a variety of imaginary circles 4a, 4b with multiple weld portions 3 respectively Mode configures.As shown in figure 5, the pattern of weld portion 3 is can to configure repeatedly a variety of imaginary circles 4a, 4b of varying diameters respectively Pattern the maximum imaginary circle of diameter, that is, big imaginary circle 4a and diameter more specifically can be less than to the vacation of the big imaginary circle Think that round 4b is arranged respectively at 4 or more weld portions 3 and is formed by the region 41,42 of multilateral shape.

In addition, in pattern shown in Fig. 5, to form the region 41 of regular hexagon and surround small six side of the regular hexagon The mode in the region 42 of shape is configured with multiple weld portions 3, in the multiple weld portions 3 for forming regular hexagon, configuration and positive six side The imaginary circle 4a of shape contact, in the multiple weld portions 3 for forming small hexagon, the imaginary circle 4b of configuration and the small hexagonal contact.

Condition (a)~(c) setting of such imaginary circle as described below.

(a) centered on any part of exterior non-woven fabrics 18, the imaginary circle contacted with multiple weld portions 3 is configured.

(b) when deviating the center of imaginary circle to any direction, if the vacation of the size greater than the imaginary circle can be configured Think bowlder, then replaces imaginary circle thus.If the size of imaginary circle is constant or becomes smaller, keep former imaginary circle constant.

(c) it is repeated above-mentioned (b), until it can set the maximum imaginary circle contacted with multiple weld portions 3.

In pattern shown in Fig. 5,6 weld portions 3 in the region 41 of regular hexagon are contacted with imaginary circle 4a.In addition, small 2 weld portions 3 in the region 42 of hexagon are contacted with imaginary circle 4b.In addition, as described below, the region 42 of small hexagon is in addition 4 weld portions 3 can be contacted and deviating imaginary circle 4b with imaginary circle 4b.

In addition, pattern shown in fig. 5 includes 2 kinds of imaginary circles 4a, 4b, and meet above-mentioned condition (1).Herein, a variety of imaginations In circle, the maximum imaginary circle of diameter is known as big imaginary circle 4a, the smallest imaginary circle of diameter is known as small imaginary circle 4b.In Fig. 5 Shown in pattern, imaginary circle 4a is big imaginary circle 4a, and imaginary circle 4b is small imaginary circle 4b.In addition, when the vacation that diameter is different When thinking that circle is defined as diverse imaginary circle, imaginary circle has two or more, can also there is 3 kinds or more.It is preferred that have 2 kinds with It is upper and 4 kinds or less.

In pattern shown in Fig. 5, on width direction Y between adjacent big imaginary circle 4a, being less than configured with diameter should The small imaginary circle 4b of big imaginary circle 4a.

More specifically, in exterior non-woven fabrics 18, as shown in figure 5, being alternately configured with positive six side on width direction Y The compound row R1 of region 42a, the 42b in the region 41 and small hexagon of shape are formed with multirow on length direction X, and in length side The position in the region 42 in the region 41 and small hexagon of the adjacent compound mutual regular hexagon of row R1 on X, respectively in width Be staggered 1/2 pitch on the Y of direction.

In addition, being formed with multiple hexagon row R2 on length direction X between compound row R1, which is handed over Region 42c, 42d alternately configured with the different small hexagon of multiple inclined directions, the adjacent hexagon row on length direction X The position of region 42c, 42d of the mutual small hexagon of R2, be staggered on width direction Y 1/2 pitch respectively.

Moreover, in pattern shown in Fig. 5, in the region for the regular hexagon being regularly present in this way 41 and small by six The inside in the region 42 of side shape can configure big imaginary circle 4a and small imaginary circle 4b, therefore, big imaginary circle 4a and small imaginary circle 4b There can be regulation regularly to configure repeatedly in a manner of not overlapping.Therefore, pattern shown in fig. 5 also meets above-mentioned (2) (3).

The pattern shown in fig. 5 state be overlapped with the bonding agent 20 of striated is configured to is indicated in Figure 11.Such as Figure 11 Shown, the diameter Da of big imaginary circle 4a is greater than the configuration section of bonding agent away from P1.Herein, the configuration section of so-called bonding agent is away from P1 Refer to, the length of the bonding agent configuration section 21 coated with bonding agent in width direction, with configure the bonding agent configuration section 21 it Between without apply bonding agent the non-configuration section 22 of bonding agent length combined length (referring to Fig.1 1).

Diaper 1 according to the present embodiment, as described above, leakage prevention sheet 13 and exterior non-woven fabrics 18 are by being configured to striated Bonding agent 20 and engage, therefore can either ensure the bond strength of exterior non-woven fabrics 18 Yu leakage prevention sheet 13, and can make outer Fill the soft-touch of the texture of non-woven fabrics 18, the non-skin opposite face of especially exterior non-woven fabrics 18.In addition, saturating using having When moist material is as leakage prevention sheet 13, it is able to suppress the reduction of penetrability, therefore diaper 1 can be made to be not easy to become bored wet.

But in exterior non-woven fabrics 18, the area of weld portion 3 is not configured the region that is contacted as big imaginary circle 4a Domain is easy to happen fiber spin-off.Especially by exterior non-woven fabrics 18 and leakage prevention sheet 13 and being configured to the bonding agent of striated When engagement, the position being not engaged obviously is easy to happen fiber spin-off.

In this regard, in the diaper 1 of present embodiment, as described above, the diameter Da of big imaginary circle 4a is made to be greater than bonding agent Configuration section is away from P1, and thus big imaginary circle 4a is Chong Die with 21 part of bonding agent configuration section, so as to utilize bonding agent by easy hair The region of raw fiber spin-off is suitably engaged in leakage prevention sheet 13.

Even if as a result, engaging exterior non-woven fabrics 18 and being applied as the bonding agent of striated with leakage prevention sheet 13, also can It enough realizes the inhibition of the fiber spin-off in the region that big imaginary circle 4a is contacted, promotes the soft of exterior non-woven fabrics 18 so as to get both Soft effect.Furthermore it is possible to inhibit the phenomenon that fiber catches on finger in big imaginary circle 4a, to promote exterior non-woven fabrics 18 Skin sense of touch.

For the viewpoint for more reliably playing said effect, the diameter Da (referring to Fig.1 1) of big imaginary circle 4a is relative to viscous The configuration section of agent 20 is connect away from P1, preferably 125% or more, more preferably 150% or more, furthermore it is preferred that for 400% hereinafter, more Preferably 300% hereinafter, furthermore it is preferred that for 125% or more and 400% hereinafter, more preferably 150% or more and 300% or less.

Bonding agent is preferably applied with the following size.In addition, as shown in figure 11, the configuration section of bonding agent 20 is away from the length of P1 The combined length of the length of the non-configuration section 22 of length and bonding agent of bonding agent configuration section 21 in width direction.

The diameter Da of big imaginary circle 4a is preferably 4mm or more, more preferably 5mm or more, furthermore it is preferred that be 20mm hereinafter, More preferably 12mm is hereinafter, furthermore it is preferred that for 4mm or more and 20mm is hereinafter, more preferably 5mm or more and 12mm or less.

For the viewpoint for more reliably playing said effect, as shown in figure 5, be preferably able to will be straight for the pattern of weld portion 3 The imaginary circle 4b that the maximum imaginary circle of diameter, that is, big imaginary circle 4a and diameter are less than the big imaginary circle is arranged respectively at 4 or more weldings Portion 3 is formed by the region 41,42 of polygonal shape.In addition, diameter be less than big imaginary circle imaginary circle there are many when, it is excellent More than one the imaginary circle that big imaginary circle and diameter are less than the big imaginary circle can be arranged respectively at above-mentioned polygon shape by choosing In the region 41,42 of shape.

In pattern shown in Fig. 5, multiple weld portions 3 are formed in a manner of forming polygon.As described above, working as Fig. 5 Shown in weld portion 3 when being connected with each other, form the region 41 of regular hexagon and surround the region 42 of the small hexagon in the region 41, The multiple weld portions 3 for forming these regions are arranged respectively at edge between regular hexagon and the corner of small hexagon.Imaginary circle 4a, 4b is contacted respectively in these regions 41,42.The pattern of weld portion 3 of the invention is preferably, and imaginary circle is inscribed within imaginary circle institute Region made of the weld portion 3 of contact is connected with each other.That is, it is preferred that multiple weld portions 3 surround big imaginary circle 4a.It is assumed that imaginary circle When, region made of weld portion 3 is connected with each other is set and the weld portion contacted with the imaginary circle 3 is connected with each other.Separately Outside, as described below, the present invention can also not assume that multiple weld portions 3 are connected with each other made of region.

In the exterior non-woven fabrics 18 of present embodiment, as shown in figure 11, the small hexagon that small imaginary circle 4b is contacted Region 42 is Chong Die with the non-configuration section 22 of bonding agent at least part.Hereinafter, multiple weld portions 3 are formed by region and are small imaginations The region of circle 4b institute inscribe is also referred to as zonule.With this configuration, because zonule 42 has the part for not having to bonding agent engagement, So the flexibility of exterior non-woven fabrics 18 can be promoted further.In this way, it is preferred that the diameter Db of small imaginary circle 4b is greater than width side The configuration width W21 (referring to Fig.1 1) of the length W21 of bonding agent configuration section 21 on Y, i.e. bonding agent 20.

In the exterior non-woven fabrics 18 of present embodiment, as shown in figure 11, zonule and multiple bonding agent configuration sections 21 and At least part overlapping of the non-configuration section 22 of bonding agent.With this configuration, the removing and hooking of zonule are able to suppress.In this way, it is preferred that The diameter Db of small imaginary circle 4b be bonding agent configuration section away from the length of P1 more than.

For the viewpoint of the balance of the flexibility and inhibition removing etc. that obtain above-mentioned zonule, the diameter of small imaginary circle 4b Width W21 of the Db (referring to Fig.1 1) relative to bonding agent configuration section 21, preferably 200% or more, more preferably 250% or more, Furthermore it is preferred that for 800% hereinafter, more preferably 600% hereinafter, furthermore it is preferred that be 200% or more and 800% hereinafter, more preferably It is 250% or more and 600% or less.

In addition, the diameter Db (referring to Fig.1 1) of small imaginary circle 4b relative to bonding agent configuration section away from P1, preferably 100% More than, more preferably 125% or more, furthermore it is preferred that for 200% hereinafter, more preferably 150% hereinafter, furthermore it is preferred that be 100% or more and 200% hereinafter, more preferably 125% or more and 150% or less.

In addition, the diameter Db (referring to Fig.1 1) of small imaginary circle 4b is preferably 1mm or more, more preferably 2mm or more, in addition, Preferably 8mm hereinafter, more preferably 5mm hereinafter, furthermore it is preferred that for 1mm or more and 8mm hereinafter, more preferably 2mm or more and 5mm or less.

In the exterior non-woven fabrics 18 of present embodiment, as shown in figure 11, adjacent big imaginary circle 4a in the direction of the width The mutual shortest distance D1 of center Oa be bonding agent above-mentioned configuration section away from the 4 of P1 times.With this configuration, by making to match repeatedly The phase matched of the big imaginary circle 4a set can make to be inscribed within the fixed position in the space of big imaginary circle 4a, i.e. big imaginary circle 4a Middle exterior non-woven fabrics 18 and the position engaged by bonding agent 20 of leakage prevention sheet 13 are identical always, so that it is soft to show uniform height It is soft, thus inhibit sense of discomfort when touching.In this way, the mutual most short distance in center of the big imaginary circle 4a on preferable width direction From the configuration section for bonding agent away from length integral multiple.Wherein, " integral multiple " includes the center Oa of big imaginary circle 4a mutual The length of integral multiple of the shortest distance D1 relative to above-mentioned configuration section away from P1, the feelings of ± 10% difference there are the configuration section away from P1 Condition.

In order to more reliably play said effect, the mutual shortest distance of center Oa of the big imaginary circle 4a in width direction D1 (referring to Fig.1 1) be bonding agent configuration section away from " integral multiple " of P1 when " integer " be preferably 3~8 range integer, more The integer of preferably 4~6 range.

From the flexibility of balance exterior non-woven fabrics 18 and for the viewpoint of the inhibition of fiber spin-off, bonding agent is preferably following State dimensional configurations.

The configuration section of bonding agent in width direction is preferably 2mm or more away from P1 (referring to Fig.1 1), more preferably 3mm with On, furthermore it is preferred that being 10mm hereinafter, more preferably 6mm is hereinafter, furthermore it is preferred that be 2mm or more and 10mm hereinafter, more preferably 3mm or more and 6mm or less.

The length W21 (referring to Fig.1 1) of bonding agent configuration section 21 on width direction Y relative to bonding agent configuration section away from P1, preferably 20% or more, more preferably 30% or more, furthermore it is preferred that be 50% hereinafter, more preferably 40% hereinafter, in addition, Preferably 20% or more and 50% hereinafter, more preferably 30% or more and 40% or less.

The length W21 (referring to Fig.1 1) of bonding agent configuration section 21 on width direction Y is preferably 0.3mm or more, more preferably For 0.5mm or more, furthermore it is preferred that be 3mm hereinafter, more preferably 2mm hereinafter, furthermore it is preferred that be 0.3mm or more and 3mm hereinafter, More preferably 0.5mm or more and 2mm or less.

Configuration section of the length W22 (referring to Fig.1 1) of the non-configuration section 22 of bonding agent on width direction Y relative to bonding agent Away from P1, preferably 50% or more, more preferably 60% or more, furthermore it is preferred that be 90% hereinafter, more preferably 80% hereinafter, this Outside, preferably 50% or more and 90% hereinafter, more preferably 60% or more and 80% or less.

The length W22 (referring to Fig.1 1) of the non-configuration section 22 of bonding agent on width direction Y is preferably 1mm or more, more preferably For 1.5mm or more, furthermore it is preferred that being 9mm hereinafter, more preferably 6mm is hereinafter, furthermore it is preferred that be 1mm or more and 9mm hereinafter, more Preferably 1.5mm or more and 6mm or less.

In the exterior non-woven fabrics 18 of present embodiment, as shown in figure 11, in bonding agent configuration section 21, big imaginary circle 4a with Small imaginary circle 4b overlapping.Similarly, in the non-configuration section 22 of bonding agent, big imaginary circle 4a is Chong Die with small imaginary circle 4b.Pass through the knot When user touches exterior non-woven fabrics 18, the region of big imaginary circle 4a must be touched in hand for structure when X is mobile along its length, The non-configuration section 22 of bonding agent must be touched when Y is mobile in the width direction in hand, therefore no matter touches and can in which way Conscientiously the softness of disposable diaper 1 is experienced.In this way, it is preferred that in the bonding agent configuration section 21, Duo Zhongshang for being configured with bonding agent 20 State imaginary circle overlapping.Furthermore it is preferred that in the non-configuration section 22 of bonding agent of no placement of adhesives 20, a variety of above-mentioned imaginary circle weights It is folded.As long as the part overlapping respectively as shown in Figure 11 of a variety of imaginary circles.

There is the concave-convex boss surface that weld portion is formed with by embossed in exterior non-woven fabrics 18, and as the embossing The smooth even surface in the face of the opposite side in face, which face is set as the face being bonded with leakage prevention sheet 13, and there is no particular restriction.At this In the exterior non-woven fabrics 18 of embodiment, a part of weld portion 3 is contacted in bonding agent configuration section 21 with leakage prevention sheet 13.That is, at this In embodiment, the even surface of exterior non-woven fabrics 18 is set as to the face being bonded with leakage prevention sheet 13.With this configuration, it is able to ascend outer Fill the bond strength of non-woven fabrics 18 and leakage prevention sheet 13.In this way, it is preferred that a part in multiple weld portions 3 via above-mentioned bonding agent with Above-mentioned leakage prevention sheet 13 engages.

In the exterior non-woven fabrics 18 of present embodiment, as shown in figure 11, the quantity of big imaginary circle 4a is less than small imaginary circle The quantity of 4b.With this configuration, area shared by big region is reduced, therefore can further promote exterior non-woven fabrics 18 and leakproof The bond strength of piece 13.In this way, it is preferred that per unit area (1cm in exterior non-woven fabrics 18²) above-mentioned big imaginary circle 4a quantity Below quantity for above-mentioned small imaginary circle 4b.

For the viewpoint for more reliably playing said effect, number of the quantity of big imaginary circle 4a relative to small imaginary circle 4b Amount, preferably 20% or more, more preferably 30% or more, furthermore it is preferred that be 100% hereinafter, more preferably 75% hereinafter, this Outside, preferably 20% or more and 100% hereinafter, more preferably 30% or more and 75% or less.

Pattern shown in fig. 5 be can set flat polygon shape region 42e be formed by as 4 or more weld portions 3 it is more The pattern in side shape region, above-mentioned flat polygon shape region 42e can make imaginary circle 4b of the diameter less than big imaginary circle 4a at one Side offsets up and (is staggered) and configures the vacation for deviating imaginary circle 4b in multiple positions [referring to Fig.1 2 (a)] and depicting Think the track O 4b at the center of round 4b and the extending direction (being X-direction in Figure 11) of the bonding agent configuration section 21 configured with bonding agent Intersect [referring to Fig.1 2 (b)].With this configuration, each bonding agent Chong Die with the region 42 of imaginary circle 4b institute inscribe can be made non- The area of configuration section 22 becomes smaller, so as to further promote the effect for being not susceptible to fiber spin-off.The track O 4b of preferred center The imaginary circle 4b intersected with the extending direction of the bonding agent configuration section 21 configured with bonding agent 20 is not only that diameter is the smallest small Imaginary circle 4b, and be the imaginary circle that all diameters are less than big imaginary circle 4a.In addition, in pattern shown in Fig. 5, flat polygonal Shape region 42e is zonule 42.

In order to more reliably play said effect, the track O 4b at the center of imaginary circle of the diameter less than big imaginary circle 4a with The average value of the angle of the crossing θ [referring to Fig.1 2 (b)] of the acute side of the extending direction of bonding agent configuration section 21 is preferably 15 ° or more, More preferably 30 ° or more, furthermore it is preferred that for 90 ° hereinafter, more preferably 75 ° or less.

The other embodiments of the pattern of weld portion 3 of the invention are illustrated.Fig. 6~10 indicate weld portion 3 The figure of the other embodiments of pattern.Fig. 6 and pattern shown in Fig. 7 are identical as Fig. 5, and multiple weld portions 3 are with formation and imaginary circle The mode in the region of inscribe is formed.On the other hand, pattern shown in Fig. 8~10 is different from Fig. 5, simultaneously with the region of imaginary circle inscribe The not formed clear boundary divided by weld portion 3.In addition, pattern shown in Fig. 6~10 meets above-mentioned condition (1)~(3).

In pattern shown in Fig. 6, multiple weld portions 3 form the region 41 of the hexagon of lengthwise, and configuration on six side The region 42 of quadrangle between the region 41 of shape.The multiple weld portions 3 for forming these regions 41,42 are arranged respectively at hexagon The corner in region 41 and the region of quadrangle 42.Big imaginary circle 4a is contacted with 4 weld portions 3 in the region 41 of hexagon, small vacation Think that round 4b is contacted with 2 weld portions 3 in the region 42 of quadrangle.

In pattern shown in Fig. 6, the hexagon row R3 in the region 41 on width direction Y configured with multiple hexagons exists It is formed with multirow on length direction X, the hexagon on length direction X on the adjacent mutual width direction Y of hexagon row R3 Region 41 position difference it is identical.

In addition, being formed with multirow quadrangle row R4, quadrangle row R4 on length direction X between hexagon row R3 The region 42 of multiple quadrangles, the adjacent mutual width of quadrangle row R4 on length direction X are configured on width direction Y The position difference in the region 42 of the quadrangle on the Y of direction is identical.

In pattern shown in Fig. 7, multiple weld portions 3 form octagonal region 41 and configuration in the octagonal area The region 42 of quadrangle between domain 41 and the region 43 of hexagon.The multiple weld portions 3 for forming these regions 41,42,43 are divided It is positioned respectively at the corner in each region 41.Big imaginary circle 4a is contacted with 6 weld portions 3 in octagonal region 41, small imaginary circle 4b It is contacted with 4 weld portions 3 in the region 42 of quadrangle.In addition, diameter is less than big imaginary circle 4a and is greater than in small imaginary circle 4b Imaginary circle 4c is contacted with 4 weld portions 3 in the region 43 of hexagon.In this way, in pattern shown in Fig. 7, it is assumed that there is 3 kinds of imaginations Circle.

In pattern shown in Fig. 7, the octagon row R5 on width direction Y configured with multiple octagonal regions 41 exists Multiple octagons on length direction X on the adjacent mutual width direction Y of octagon row R5 is formed on length direction X Region 41 position difference it is identical.

In addition, being formed with multiple compound row R6 on length direction X between octagon row R5, the compound row R6 is in width The alternately region 43 in the region 42 configured with quadrangle and hexagon is spent on the Y of direction, and adjacent compound on length direction X The position difference in the region 42 of the quadrangle on the mutual width direction Y of row R6 is identical, and the position in the region 43 of hexagon is also divided It is not identical.

Pattern shown in Fig. 8 is formed with the state for being arranged with the weld portion 3 of multiple rows of U-shaped in one direction.In length The weld portion column R7 that the weld portion 3 of multiple U-shaped is arranged on the X of direction is formed with multiple row on width direction Y, in width direction The position of the upper adjacent mutual weld portion 3 of weld portion column R7 of Y is staggered on length direction X 1 pitch respectively.

In pattern shown in Fig. 8, weld portion column big imaginary circle 4a relative to each other in the protrusion of the weld portion 3 of U-shaped Between R7, contacted with 3 weld portions 3.In addition, opening of the small imaginary circle 4b in the side opposite with protrusion of U-shaped weld portion 3 Between portion weld portion column R7 relative to each other, contacted with 3 weld portions 3.

In pattern shown in Fig. 9, the weld portion group column R8 of multiple weld portion groups 30 is arranged on length direction X in width Degree direction Y on be formed with it is multiple, the weld portion group 30 in a manner of forming roundlet be configured with 4 arcuations weld portion 3, in width The position of the adjacent mutual weld portion 3 of weld portion group column R8 is staggered on length direction X 1 pitch respectively on the Y of direction.

In pattern shown in Fig. 9, big imaginary circle 4a is contacted between weld portion group 30 with 8 weld portions 3.In addition, small Imaginary circle 4b is formed by roundlet in weld portion group 30 and contacts with 4 weld portions 3.

Pattern shown in Fig. 10 to be arranged with the weld portion 3 of multiple rows of S shape in length direction lengthwise in one direction State formed.The weld portion column R9 that the weld portion 3 of multiple S shape is arranged on length direction X is formed on width direction Y Have multiple, the position of the adjacent mutual weld portion 3 of weld portion column R9 is each on length direction X respectively on width direction Y It is staggered a little.

In pattern shown in Fig. 10, weld portion of the big imaginary circle 4a between adjacent weld portion column R9 with 4 S shape 3 bending section contact.In addition, small imaginary circle 4b is between the weld portion 3 adjacent on length direction X of weld portion column R9, with 2 The end of a weld portion 3 nearby contacts.

There is no particular restriction for the size of weld portion 3, for the viewpoint of strength and softness for taking into account non-woven fabrics, with big vacation Think that the gross area of the weld portion 3 of round 4a contact relative to the area of the big imaginary circle 4a is preferably 5% or more, more preferably 10% More than, furthermore it is preferred that for 80% hereinafter, more preferably 40% hereinafter, furthermore it is preferred that be 5% or more and 80% hereinafter, more preferably It is 10% or more and 40% or less.In addition, forming the area of big imaginary circle 4a institute inscribe in multiple weld portions 3 as shown in Fig. 5~7 It is above-mentioned to refer to form the region of the big imaginary circle 4a institute inscribe " with the gross area of the big imaginary circle 4a weld portion 3 contacted " when domain Weld portion 3 total area.

For same insight, the area of weld portion 3 is preferably 0.5mm²More than, more preferably 1mm²More than, in addition, excellent It is selected as 20mm²Hereinafter, more preferably 10mm²Hereinafter, furthermore it is preferred that being 0.5mm²Above and 20mm²Hereinafter, more preferably 1mm²With Upper and 10mm²Below.

In addition, as shown in fig. 7, there may also be weld portions 31,32 of different sizes in 1 pattern.

There is no particular restriction for the shape of weld portion 3, can be set as arbitrary shape.For example, rectangle shape can be illustrated in figure 5 Shape can also be as shown in figs. 6-7 circular shape, can also be illustrated in figure 8 U-shaped, can also be illustrated in figure 9 arcuation, It can also as shown in Figure 10 be S shape.

Any non-woven fabrics such as may be hot-wind nonwoven cloth, spun-bonded non-woven fabrics, needle punched non-woven fabrics of exterior non-woven fabrics 18, It but preferably include long stapled non-woven fabrics.As comprising long stapled non-woven fabrics, not only there are spun-bonded non-woven fabrics, further includes stacking There is the stacking non-woven fabrics of the spunbond layer formed by long fibre.As such stacking non-woven fabrics, spunbond-melt blown-spunbond can be enumerated Non-woven fabrics (SMS non-woven fabrics), spunbond-meltblown-meltblown-spun-bonded non-woven fabrics (SMMS non-woven fabrics) etc. is laminated.

In addition to making exterior non-woven fabrics as described above comprising long stapled non-woven fabrics, as also described above, make a part Weld portion 3 can further promote exterior non-woven fabrics 18 and leakage prevention sheet when bonding agent configuration section 21 is engaged with leakage prevention sheet 13 Bond strength.

For the viewpoint of the flexibility of exterior non-woven fabrics 18, preferably on width direction Y, striped the area of application is than absorbing The width of body 14 is big, and more preferable striped the area of application is the whole region of leakage prevention sheet 13.In addition, striped the area of application 2 refer to it is viscous The region that agent 20 is configured to striated is connect, and is the region for including bonding agent configuration section 21 and the non-configuration section 22 of bonding agent.

Furthermore it is preferred that on length direction X, overall length (reference figure of the striped the area of application than the absorbent core on direction X 4) long, more preferable striped the area of application is arranged in the whole region of leakage prevention sheet 13.

For the good viewpoint of sense of touch of non-skin opposite face for making exterior non-woven fabrics 18, the conjunction of bonding agent configuration section 21 It is preferably 25% or more that area, which is counted, relative to the area of striped the area of application 2, and more preferably 30% or more, furthermore it is preferred that being 50% hereinafter, more preferably 25% hereinafter, furthermore it is preferred that be 25% or more and 50% hereinafter, more preferably 30% or more and 40% or less.

For the viewpoint for ensuring sufficient bond strength and promotion texture (soft sense of touch), bonding agent configuration section 21 In the coating amount of bonding agent 20 be preferably 0.1g/m²More than, more preferably 0.3g/m²More than, furthermore it is preferred that being 5g/m²With Under, more preferably 3g/m²Hereinafter, furthermore it is preferred that being 0.1g/m²Above and 5g/m²Hereinafter, more preferably 0.3g/m²Above and 3g/m²Below.

The coating amount of above-mentioned bonding agent 20 is found out as follows: being found out viscous between bonding agent configuration section 21 Connect the non-configuration section 22 of agent be also included in the whole area of striped the area of application 2, then find out the total of bonding agent in the region 2 The ratio of weight and the area.

Bonding agent 20 in present embodiment is hot melt adhesive, is applied using coating machine.As bonding agent, energy It is enough to use the various known bonding agents for being used for disposable diaper etc. in the prior art.

As the method by adhesive applicating at striated, in addition to above-mentioned coating machine formula, intaglio plate formula, convex can be also selected Any one of known methods such as format, drop formula, jet printing type.

The forming material of each section in diaper 1 is illustrated, as positive dough sheet 12, leakage prevention sheet 13, absorber 14, is stood Body fold forms the forming material for using piece 15, and there is no particular restriction, is able to use in the disposable diaper of the prior art and is used as respectively Various well known materials of material etc..For example, being able to use the various liquid permeabilities such as non-woven fabrics or apertured film as positive dough sheet 12 Sheet material be able to use resin film without penetrability, with micropore and with the resin of penetrability as leakage prevention sheet 13 The non-woven fabrics such as film, water repellent non-woven fabrics or they and other layered products etc., as absorber 14, are able to use including defibering The fiber assembly of the hydrophilic fibres such as paper pulp makes in the fiber assembly comprising structure obtained by superabsorbent polymer etc..

More than, the preferred embodiments of the present invention is illustrated, but the present invention is not restricted to above-mentioned embodiment party Formula, and can make various changes without departing from the spirit and scope of the invention.

In an above-mentioned embodiment omit the description part and only important document that an embodiment has can be applied suitably respectively In other embodiments, in addition, the important document in each embodiment can be suitably replaced mutually between embodiment.

About above embodiment, following absorbent commodity is further disclosed.

1 > of <

A kind of absorbent commodity is the absorbent commodity of lengthwise, including positive dough sheet, absorber, leakage prevention sheet and covering should The exterior non-woven fabrics of the non-skin opposite face of leakage prevention sheet, and there is length direction and the width direction orthogonal with the length direction, In the absorbent commodity,

The leakage prevention sheet is engaged with the exterior non-woven fabrics via the bonding agent for being configured to striated,

The exterior non-woven fabrics has multiple weld portions,

The multiple weld portion according to can make to contact with multiple weld portions and a variety of imaginary circles of varying diameters with The pattern configuration that the mode not overlapped configures repeatedly,

In a variety of imaginary circles the maximum big imaginary diameter of a circle of diameter be the bonding agent configuration section away from length More than.

2 > of <

The absorbent commodity as documented by above-mentioned 1 > of <, wherein

It is arranged with the weld portion column of the weld portion of multiple U-shaped in the length direction in the width direction Multiple row is formed with,

The adjacent weld portion arranges the position of the mutual weld portion respectively in the length in the width direction Be staggered 1 pitch on direction.

3 > of <

The absorbent commodity as documented by above-mentioned 2 > of <, wherein

The pattern is the pattern that can be configured as follows: the weld portion of the big imaginary circle in U-shaped Between the weld portion column relative to each other of protrusion, contacted with 3 weld portions, and diameter is minimum in a variety of imaginary circles Small imaginary circle weld portion column relative to each other in the opening portion of the side opposite with protrusion of the weld portion of U-shaped Between, it is contacted with 3 weld portions.

4 > of <

The absorbent commodity as documented by above-mentioned 1 > of <, wherein

The weld portion group column for being arranged with multiple weld portion groups in the length direction are formed in the width direction Multiple row, the weld portion group are configured with the weld portion of 4 arcuations in a manner of forming roundlet,

The adjacent weld portion group arranges the position of the mutual weld portion respectively described in the width direction Be staggered 1 pitch on length direction.

5 > of <

The absorbent commodity as documented by above-mentioned 4 > of <, wherein

The pattern is the pattern that can be configured as follows: the big imaginary circle is between the weld portion group with 8 A weld portion contact, and in a variety of imaginary circles the smallest small imaginary circle of diameter be formed by the weld portion group it is small It is contacted in circle with 4 weld portions.

6 > of <

The absorbent commodity as documented by above-mentioned 1 > of <, wherein

The weld portion for being arranged with the weld portion of the S shape of multiple lengthwises in the length direction is listed in the width Multiple row is formed on direction,

The adjacent weld portion arranges the position of the mutual weld portion respectively in the length in the width direction It is respectively staggered on degree direction a little.

7 > of <

The absorbent commodity as documented by above-mentioned 6 > of <, wherein

The pattern is the pattern that can be configured as follows: the big imaginary circle arranges it in the adjacent weld portion Between contacted with the bending section of the weld portion of 4 S shape, and in a variety of imaginary circles the smallest small imaginary circle of diameter in institute It states and is nearby connect between the weld portion adjacent in the length direction of weld portion column with the end of 2 weld portions Touching.

8 > of <

The absorbent commodity as documented by above-mentioned 1 > of <, wherein

The pattern is more than one the imaginary circle point that the big imaginary circle and diameter can be less than to the big imaginary circle It is positioned respectively at the pattern that 4 or more weld portions are formed by the region of polygonal shape.

9 > of <

The absorbent commodity as documented by above-mentioned 8 > of <, wherein

Configured with described in a manner of forming the region of small hexagon of the region and encirclement of the regular hexagon regular hexagon Multiple weld portions,

The alternately region in the region configured with the regular hexagon and the small hexagon in the width direction Compound row is formed with multirow in the length direction, in the length direction the adjacent compound row it is mutual it is described just The position in the region of hexagon and the region of the small hexagon is staggered half pitch in the width direction respectively.

10 > of <

The absorbent commodity as documented by above-mentioned 9 > of <, wherein

Between the compound row, it is formed with multirow hexagon row in the length direction, the hexagon row is alternately Region configured with the different small hexagon of multiple inclined directions, the in the length direction adjacent hexagon row The position in the region of the mutual small hexagon is staggered half pitch in the direction of the width respectively.

11 > of <

The absorbent commodity as documented by above-mentioned 9 > of < or 10 > of <, wherein

In the pattern, it can configure in the multiple weld portions for forming the regular hexagon and be connect with the regular hexagon The big imaginary circle of touching can configure with the small hexagonal contact in the multiple weld portions for forming small hexagon and diameter is less than The imaginary circle of the big imaginary circle,

The imaginary circle that the big imaginary circle and diameter are less than the big imaginary circle in a manner of not overlapping and can have There is regulation regularly to configure repeatedly.

12 > of <

The absorbent commodity as documented by above-mentioned 8 > of <, wherein

Multiple weld portions form the region of the hexagon of lengthwise and configure four sides between the region of the hexagon The region of shape,

Formed the region of the hexagon and the region of the quadrangle multiple welds be positioned respectively at it is described The corner in the region of hexagon and the region of the quadrangle.

13 > of <

The absorbent commodity as documented by above-mentioned 12 > of <, wherein

It is configured with the hexagon row in the region of multiple hexagons in the width direction in the length direction Multirow is formed with,

The region of hexagon in the adjacent mutual width direction of the hexagon row in the length direction Position difference it is identical,

Between the hexagon row, it is formed with multirow quadrangle row in the length direction, the quadrangle row is in width It spends on direction and is configured with the region of multiple quadrangles,

The quadrangle in the adjacent mutual width direction of the quadrangle row in the length direction The position difference in region is identical.

14 > of <

The absorbent commodity as documented by above-mentioned 12 > of < or 13 > of <, wherein

The pattern is the pattern that can be configured as follows: the 4 of the region of the big imaginary circle and the hexagon A weld portion contact, and diameter is less than the imaginary circle of the big imaginary circle and 2 weld portions in the region of the quadrangle connect Touching.

15 > of <

The absorbent commodity as documented by above-mentioned 8 > of <, wherein

Multiple weld portions form octagonal region and configure the area of the quadrangle between the octagonal region The region in domain and hexagon,

Form multiple welds in the region in the octagonal region, the region of the quadrangle and hexagon It is positioned respectively at the corner in each region.

16 > of <

The absorbent commodity as documented by above-mentioned 15 > of <, wherein

It is configured with the octagon row in multiple octagonal regions in the length direction in the width direction Multirow is formed with,

It is described octagonal in the adjacent mutual width direction of the octagon row in the length direction The position difference in region is identical,

Between the octagon row, it is formed with the compound row of multirow in the length direction, the compound row is in the width The region in the region and the hexagon that are alternately configured with the quadrangle is spent on direction,

The area of the quadrangle in the adjacent compound mutual width direction of row in the length direction The position difference in domain is identical, and the position in the region of the hexagon is also identical respectively.

17 > of <

The absorbent commodity as documented by above-mentioned 15 > of < or 16 > of <, wherein

The pattern is the pattern that can be configured as follows:

The big imaginary circle, the smallest small imaginary circle of a variety of middle diameters and diameter can be configured and be less than the big imagination 3 kinds of imaginary circles of circle and the middle imaginary circle greater than the small imaginary circle,

The big imaginary circle is contacted with 6 weld portions in the octagonal region, the small imaginary circle and four side 4 weld portions in the region of shape contact, and the middle imaginary circle is contacted with 4 weld portions in the region of the hexagon.

18 > of <

The absorbent commodity as documented by any one of above-mentioned 17 > of < 1 > to <, wherein

The big imagination diameter of a circle Da relative to the bonding agent configuration section away from P1, preferably 125% or more, it is more excellent It is selected as 150% or more, furthermore it is preferred that for 400% hereinafter, more preferably 300% or less.

19 > of <

The absorbent commodity as documented by any one of above-mentioned 18 > of < 1 > to <, wherein

The big imagination diameter of a circle Da is preferably 4mm or more, more preferably 5mm or more, furthermore it is preferred that for 20mm with Under, more preferably 12mm or less.

20 > of <

The absorbent commodity as documented by any one of above-mentioned 19 > of < 1 > to <, wherein

The configuration section of the bonding agent in the width direction is preferably 2mm or more away from P1, more preferably 3mm or more, Furthermore it is preferred that being 10mm hereinafter, more preferably 6mm or less.

21 > of <

The absorbent commodity as documented by any one of above-mentioned 20 > of < 1 > to <, wherein

The length W21 of the width direction of bonding agent configuration section configured with the bonding agent is relative to the bonding agent Configuration section away from P1, preferably 20% or more, more preferably 30% or more, furthermore it is preferred that for 50% hereinafter, more preferably 40% Below.

22 > of <

The absorbent commodity as documented by any one of above-mentioned 21 > of < 1 > to <, wherein

The length W21 of the width direction of bonding agent configuration section configured with the bonding agent is preferably 0.3mm or more, More preferably 0.5mm or more, furthermore it is preferred that being 3mm hereinafter, more preferably 2mm or less.

23 > of <

The absorbent commodity as documented by any one of above-mentioned 22 > of < 1 > to <, wherein

The length W22 of the width direction of the non-configuration section of bonding agent of the bonding agent is not configured relative to described viscous The configuration section of agent is connect away from P1, preferably 50% or more, more preferably 60% or more, furthermore it is preferred that being 90% hereinafter, more preferably 80% or less.

24 > of <

The absorbent commodity as documented by any one of above-mentioned 23 > of < 1 > to <, wherein

The length W22 for not configuring the width direction of the non-configuration section of bonding agent of the bonding agent be preferably 1mm with On, more preferably 1.5mm or more, furthermore it is preferred that being 9mm hereinafter, more preferably 6mm or less.

25 > of <

The absorbent commodity as documented by any one of above-mentioned 24 > of < 1 > to <, wherein

Certain value is divided between bonding agent configuration section configured with the bonding agent.

26 > of <

The absorbent commodity as documented by any one of above-mentioned 25 > of < 1 > to <, wherein

When the different imaginary circle of diameter is defined as diverse imaginary circle, the imaginary circle has two or more And 4 kinds or less.

27 > of <

The absorbent commodity as documented by any one of above-mentioned 26 > of < 1 > to <, wherein

The smallest small imagination diameter of a circle Db of diameter is greater than the configuration width of the bonding agent in a variety of imaginary circles W21。

28 > of <

The absorbent commodity as documented by any one of above-mentioned 27 > of < 1 > to <, wherein

The smallest small imagination diameter of a circle Db of diameter is the configuration section of the bonding agent away from P1's in a variety of imaginary circles It is more than length.

29 > of <

The absorbent commodity as documented by any one of above-mentioned 28 > of < 1 > to <, wherein

The smallest small imagination diameter of a circle Db of diameter is relative to viscous configured with the bonding agent in a variety of imaginary circles Meet the width W21 of agent configuration section, preferably 200% or more, more preferably 250% or more, furthermore it is preferred that for 800% hereinafter, more Preferably 600% or less.

30 > of <

The absorbent commodity as documented by any one of above-mentioned 29 > of < 1 > to <, wherein

In a variety of imaginary circles the smallest small imagination diameter of a circle Db of diameter relative to the bonding agent configuration section away from P1, preferably 100% or more, more preferably 125% or more, furthermore it is preferred that for 200% hereinafter, more preferably 150% or less.

31 > of <

The absorbent commodity as documented by any one of above-mentioned 30 > of < 1 > to <, wherein

There are many imaginary circles Chong Die with the non-configuration section of bonding agent of no configuration bonding agent.

32 > of <

The absorbent commodity as documented by any one of above-mentioned 31 > of < 1 > to <, wherein

The non-configuration section of bonding agent for not configuring the bonding agent extends in the length direction.

33 > of <

The absorbent commodity as documented by above-mentioned 32 > of <, wherein

About the bonding agent for being configured to striated, each bonding agent configuration section configured with the bonding agent exists respectively Extend on the length direction of diaper 1.

34 > of <

The absorbent commodity as documented by any one of above-mentioned 33 > of < 1 > to <, wherein

The mutual shortest distance D1 in center of the big imaginary circle in the width direction is the described of the bonding agent The integral multiple of length of the configuration section away from P1.

35 > of <

The absorbent commodity as documented by above-mentioned 34 > of <, wherein

The mutual shortest distance D1 in center of the big imaginary circle in the width direction is the described of the bonding agent The integral multiple of length of the configuration section away from P1, and

The integer of the integral multiple is preferably the integer of 3~8 range, the integer of more preferably 4~6 range.

36 > of <

The absorbent commodity as documented by above-mentioned 34 > of < or 35 > of <, wherein

The mutual shortest distance D1 in center of the adjacent big imaginary circle is the bonding agent in the width direction 4 times of length of the configuration section away from P1.

37 > of <

The absorbent commodity as documented by above-mentioned 8 > of <, wherein

The pattern is the pattern that can set flat polygon shape region as the polygonal region, the flat polygonal The imaginary circle that shape region can make diameter be less than the big imaginary circle is deviated in one direction and is configured at multiple positions,

Deviate the imaginary circle and the track at the center of the imaginary circle depicted be configured with the bonding of the bonding agent The extending direction of agent configuration section intersects.

38 > of <

The absorbent commodity as documented by above-mentioned 37 > of <, wherein

The imaginary circle that the track O 4b and the extending direction of the bonding agent configuration section configured with the bonding agent intersect It is the imaginary circle other than the big imaginary circle.

39 > of <

The absorbent commodity as documented by above-mentioned 37 > of < or 38 > of <, wherein

The angle of the crossing of the track O 4b and the acute side of the extending direction of the bonding agent configuration section configured with the bonding agent The average angle of θ is preferably 15 ° or more, and more preferably 30 ° or more, furthermore it is preferred that for 90 ° hereinafter, more preferably 75 ° or less.

40 > of <

The absorbent commodity as documented by any one of above-mentioned 39 > of < 1 > to <, wherein

The quantity of the big imaginary circle of per unit area is that diameter is less than the big imaginary circle in the exterior non-woven fabrics Imaginary circle quantity below.

41 > of <

The absorbent commodity as documented by above-mentioned 40 > of <, wherein

Quantity of the quantity of the big imaginary circle relative to the smallest small imaginary circle of diameter in a variety of imaginary circles, preferably It is 20% or more, more preferably 30% or more, furthermore it is preferred that for 100% hereinafter, more preferably 75% or less.

42 > of <

The absorbent commodity as documented by any one of above-mentioned 41 > of < 1 > to <, wherein

The exterior non-woven fabrics is a part comprising long stapled non-woven fabrics, in the multiple weld portion via described viscous Connect agent and the leakproof chip bonding.

43 > of <

The absorbent commodity as documented by any one of above-mentioned 42 > of < 1 > to <, wherein

Area of the gross area of the adjacent weld portion relative to the big imaginary circle with the big imaginary circle, preferably 5% or more, more preferably 10% or more, furthermore it is preferred that for 80% hereinafter, more preferably 40% or less.

44 > of <

The absorbent commodity as documented by any one of above-mentioned 43 > of < 1 > to <, wherein

The area of the weld portion is preferably 0.5mm²More than, more preferably 1mm²More than, furthermore it is preferred that being 20mm²With Under, more preferably 10mm²Below.

45 > of <

The absorbent commodity as documented by any one of above-mentioned 44 > of < 1 > to <, wherein

Total area of bonding agent configuration section configured with the bonding agent is configured to striped relative to by the bonding agent The region of shape, that is, striped the area of application 2 area, preferably 25% or more, more preferably 30% or more, furthermore it is preferred that being 50% Hereinafter, more preferably 25% or less.

46 > of <

The absorbent commodity as documented by any one of above-mentioned 45 > of < 1 > to <, wherein configured with the bonding agent The coating amount of the bonding agent in bonding agent configuration section is preferably 0.1g/m²More than, more preferably 0.3g/m²More than, in addition, Preferably 5g/m²Hereinafter, more preferably 3g/m²Below.

Industrial utilizability

Absorbent commodity according to the present invention is able to ascend the flexibility of exterior non-woven fabrics and is not susceptible to exterior non-woven fabrics Fiber spin-off.

Claims (46)

1. It is the absorbent commodity of lengthwise 1. a kind of absorbent commodity, including positive dough sheet, absorber, leakage prevention sheet and to cover this anti- The exterior non-woven fabrics of the non-skin opposite face of dropping fraction, and there is length direction and the width direction orthogonal with the length direction, it should Absorbent commodity is characterized in that:

   The leakage prevention sheet is engaged with the exterior non-woven fabrics via the bonding agent for being configured to striated,

   The exterior non-woven fabrics has multiple weld portions,

   The multiple weld portion is according to can make to contact with multiple weld portions and a variety of imaginary circles of varying diameters are not with mutually The pattern configuration that the mode of overlapping configures repeatedly,

   In a variety of imaginary circles the maximum big imaginary diameter of a circle of diameter be the bonding agent configuration section away from length more than.
2. 2. absorbent commodity as described in claim 1, it is characterised in that:

   The weld portion column for being arranged with the weld portion of multiple U-shaped in the length direction are formed in the width direction There is multiple row,

   The adjacent weld portion arranges the position of the mutual weld portion respectively in the length direction in the width direction On be staggered 1 pitch.
3. 3. absorbent commodity as claimed in claim 2, it is characterised in that:

   The pattern is the pattern that can be configured as follows: the big imaginary circle is in the protrusion of the weld portion of U-shaped Between weld portion column relative to each other, contacted with 3 weld portions, and diameter is the smallest small in a variety of imaginary circles The imaginary circle weld portion relative to each other in the opening portion of the side opposite with protrusion of the weld portion of U-shaped arranges it Between, it is contacted with 3 weld portions.
4. 4. absorbent commodity as described in claim 1, it is characterised in that:

   The weld portion group column for being arranged with multiple weld portion groups in the length direction are formed with multiple row in the width direction, The weld portion group is configured with the weld portion of 4 arcuations in a manner of forming roundlet,

   The adjacent weld portion group arranges the position of the mutual weld portion respectively in the length in the width direction Be staggered 1 pitch on direction.
5. 5. absorbent commodity as claimed in claim 4, it is characterised in that:

   The pattern is the pattern that can be configured as follows: the big imaginary circle between the weld portion group with 8 institutes Weld portion contact is stated, and the smallest small imaginary circle of diameter is formed by roundlet in the weld portion group in a variety of imaginary circles It is contacted with 4 weld portions.
6. 6. absorbent commodity as described in claim 1, it is characterised in that:

   The weld portion for being arranged with the weld portion of the S shape of multiple lengthwises in the length direction is listed in the width direction On be formed with multiple row,

   The adjacent weld portion arranges the position of the mutual weld portion respectively in the length side in the width direction It is respectively staggered upwards a little.
7. 7. absorbent commodity as claimed in claim 6, it is characterised in that:

   The pattern is the pattern that can be configured as follows: the big imaginary circle between adjacent weld portion column with The bending section of the weld portion of 4 S shape contacts, and the smallest small imaginary circle of diameter is melted described in a variety of imaginary circles It is nearby contacted between the weld portion adjacent in the length direction of socket part column with the end of 2 weld portions.
8. 8. absorbent commodity as described in claim 1, it is characterised in that:

   The pattern is can to match respectively more than one the imaginary circle that the big imaginary circle and diameter are less than the big imaginary circle Set the pattern in the region that 4 or more weld portions are formed by polygonal shape.
9. 9. absorbent commodity as claimed in claim 8, it is characterised in that:

   Configured with the multiple in a manner of forming the region of small hexagon of the region and encirclement of the regular hexagon regular hexagon Weld portion,

   In the width direction alternately configured with the regular hexagon region and the small hexagon region it is compound Row is formed with multirow in the length direction, in the length direction adjacent compound mutual positive six side of row The position in the region of shape and the region of the small hexagon is staggered half pitch in the width direction respectively.
10. 10. absorbent commodity as claimed in claim 9, it is characterised in that:

    Between the compound row, it is formed with multirow hexagon row in the length direction, which alternately configures The region for the small hexagon for having multiple inclined directions different, the adjacent hexagon row is each other in the length direction The position in region of the small hexagon be staggered in the direction of the width respectively half pitch.
11. 11. the absorbent commodity as described in claim 9 or 10, it is characterised in that:

    In the pattern, it can configure in multiple weld portions for forming the regular hexagon and be contacted with the regular hexagon Big imaginary circle can configure with the small hexagonal contact in the multiple weld portions for forming small hexagon and diameter is less than described The imaginary circle of big imaginary circle,

    The imaginary circle that the big imaginary circle and diameter are less than the big imaginary circle can be in a manner of not overlapping and with rule It is fixed regularly to configure repeatedly.
12. 12. absorbent commodity as claimed in claim 8, it is characterised in that:

    Multiple weld portions form the region of the hexagon of lengthwise and configure the quadrangle between the region of the hexagon Region,

    The multiple welds for forming the region of the hexagon and the region of the quadrangle are positioned respectively at six side The corner in the region of shape and the region of the quadrangle.
13. 13. absorbent commodity as claimed in claim 12, it is characterised in that:

    The hexagon row in the region configured with multiple hexagons is formed in the length direction in the width direction There is multirow,

    The position in the region of the hexagon in the adjacent mutual width direction of the hexagon row in the length direction It is identical to set difference,

    Between the hexagon row, it is formed with multirow quadrangle row in the length direction, the quadrangle row is in width side It is configured with the region of multiple quadrangles upwards,

    The region of the quadrangle in the adjacent mutual width direction of the quadrangle row in the length direction Position difference it is identical.
14. 14. absorbent commodity as described in claim 12 or 13, it is characterised in that:

    The pattern is the pattern that can be configured as follows: 4 of the region of the big imaginary circle and the hexagon are molten Socket part contact, and diameter is contacted less than the imaginary circle of the big imaginary circle with 2 weld portions in the region of the quadrangle.
15. 15. absorbent commodity as claimed in claim 8, it is characterised in that:

    Multiple weld portions formed octagonal region and configure quadrangle between the octagonal region region and The region of hexagon,

    The multiple weld portions for forming the region in the octagonal region, the region of the quadrangle and hexagon are matched respectively Set the corner in each region.
16. 16. absorbent commodity as claimed in claim 15, it is characterised in that:

    The octagon row configured with multiple octagonal regions is formed in the length direction in the width direction There is multirow,

    The octagonal region in the adjacent mutual width direction of the octagon row in the length direction Position difference it is identical,

    Between the octagon row, it is formed with the compound row of multirow in the length direction, the compound row is in the width side It is alternately configured with the region of the quadrangle and the region of the hexagon upwards,

    The region of the quadrangle in the adjacent compound mutual width direction of row in the length direction Position difference is identical, and the position in the region of the hexagon is also identical respectively.
17. 17. the absorbent commodity as described in claim 15 or 16, it is characterised in that:

    The pattern is the pattern that can be configured as follows:

    Can configure the big imaginary circle, the smallest small imaginary circle of a variety of middle diameters and diameter be less than the big imaginary circle and Greater than 3 kinds of imaginary circles of the middle imaginary circle of the small imaginary circle,

    The big imaginary circle is contacted with 6 weld portions in the octagonal region, the small imaginary circle and the quadrangle 4 weld portions in region contact, and the middle imaginary circle is contacted with 4 weld portions in the region of the hexagon.
18. 18. the absorbent commodity as described in any one of claim 1~17, it is characterised in that:

    The big imaginary diameter of a circle relative to the bonding agent configuration section away from being 125% or more and 400% or less.
19. 19. the absorbent commodity as described in any one of claim 1~18, it is characterised in that:

    The big imaginary diameter of a circle is 4mm or more and 20mm or less.
20. 20. the absorbent commodity as described in any one of claim 1~19, it is characterised in that:

    The configuration section of the bonding agent in the width direction is away from for 2mm or more and 10mm or less.
21. 21. the absorbent commodity as described in any one of claim 1~20, it is characterised in that:

    Configuration of the length of the width direction of bonding agent configuration section configured with the bonding agent relative to the bonding agent Pitch is 20% or more and 50% or less.
22. 22. the absorbent commodity as described in any one of claim 1~21, it is characterised in that:

    The length of the width direction of bonding agent configuration section configured with the bonding agent is 0.3mm or more and 3mm or less.
23. 23. the absorbent commodity as described in any one of claim 1~22, it is characterised in that:

    The length of the width direction of the non-configuration section of bonding agent of the bonding agent is not configured relative to the bonding agent Configuration section is away from being 50% or more and 90% or less.
24. 24. the absorbent commodity as described in any one of claim 1~23, it is characterised in that:

    The length for not configuring the width direction of the non-configuration section of bonding agent of the bonding agent is 1mm or more and 9mm or less.
25. 25. the absorbent commodity as described in any one of claim 1~24, it is characterised in that:

    Certain value is divided between bonding agent configuration section configured with the bonding agent.
26. 26. the absorbent commodity as described in any one of claim 1~25, it is characterised in that:

    When the different imaginary circle of diameter is defined as diverse imaginary circle, the imaginary circle has two or more and 4 kinds Below.
27. 27. the absorbent commodity as described in any one of claim 1~26, it is characterised in that:

    The smallest small imaginary diameter of a circle of diameter is greater than the configuration width of the bonding agent in a variety of imaginary circles.
28. 28. the absorbent commodity as described in any one of claim 1~27, it is characterised in that:

    In a variety of imaginary circles the smallest small imaginary diameter of a circle of diameter be the bonding agent configuration section away from length more than.
29. 29. the absorbent commodity as described in any one of claim 1~28, it is characterised in that:

    The smallest small imaginary diameter of a circle of diameter is matched relative to the bonding agent configured with the bonding agent in a variety of imaginary circles The width for setting portion is 200% or more and 800% or less.
30. 30. the absorbent commodity as described in any one of claim 1~29, it is characterised in that:

    The smallest small imaginary diameter of a circle of diameter is relative to the configuration section of the bonding agent away from being 100% in a variety of imaginary circles Above and 200% or less.
31. 31. the absorbent commodity as described in any one of claims 1 to 30, it is characterised in that:

    There are many imaginary circles Chong Die with the non-configuration section of bonding agent of no configuration bonding agent.
32. 32. the absorbent commodity as described in any one of claims 1 to 31, it is characterised in that:

    The non-configuration section of bonding agent for not configuring the bonding agent extends in the length direction.
33. 33. absorbent commodity as claimed in claim 32, it is characterised in that:

    About the bonding agent for being configured to striated, each bonding agent configuration section configured with the bonding agent is respectively in diaper Extend on 1 length direction.
34. 34. the absorbent commodity as described in any one of claim of right1~33, it is characterised in that:

    The mutual shortest distance in center of the big imaginary circle in the width direction is the configuration section of the bonding agent Away from length integral multiple.
35. 35. absorbent commodity as claimed in claim 34, it is characterised in that:

    The mutual shortest distance in center of the big imaginary circle in the width direction be the bonding agent configuration section away from The integral multiple of length,

    The integer for the range that the integer of the integral multiple is 3~8.
36. 36. the absorbent commodity as described in claim 34 or 35, it is characterised in that:

    The mutual shortest distance in center of the adjacent big imaginary circle is the described of the bonding agent in the width direction Configuration section away from 4 times.
37. 37. absorbent commodity as claimed in claim 8, it is characterised in that:

    The pattern is the pattern that can set flat polygon shape region as the polygonal region, the flat polygon shape area The imaginary circle that domain can make diameter be less than the big imaginary circle is deviated in one direction and is configured at multiple positions,

    Match with the bonding agent for being configured with the bonding agent track at the center of the imaginary circle for deviating the imaginary circle and depicting The extending direction for setting portion intersects.
38. 38. absorbent commodity as claimed in claim 37, it is characterised in that:

    The imaginary circle that the extending direction of the track and the bonding agent configuration section configured with the bonding agent intersects is described Imaginary circle other than big imaginary circle.
39. 39. the absorbent commodity as described in claim 37 or 38, it is characterised in that:

    The track is averaged with the angle of the crossing of the acute side of the extending direction of the bonding agent configuration section configured with the bonding agent Angle is 15 ° or more and 90 ° or less.
40. 40. the absorbent commodity as described in any one of claims 1 to 39, it is characterised in that:

    The quantity of the big imaginary circle of per unit area is the vacation that diameter is less than the big imaginary circle in the exterior non-woven fabrics Think round quantity or less.
41. 41. absorbent commodity as claimed in claim 40, it is characterised in that:

    The quantity of the big imaginary circle relative to the smallest small imaginary circle of diameter in a variety of imaginary circles quantity be 20% with It is upper and 100% or less.
42. 42. the absorbent commodity as described in any one of Claims 1 to 41, it is characterised in that:

    The exterior non-woven fabrics is a part comprising long stapled non-woven fabrics, in the multiple weld portion via the bonding agent With the leakproof chip bonding.
43. 43. the absorbent commodity as described in any one of Claims 1 to 42, it is characterised in that:

    With the big imaginary circle gross area of the adjacent weld portion relative to the area of the big imaginary circle be 5% or more and 80% or less.
44. 44. the absorbent commodity as described in any one of Claims 1 to 43, it is characterised in that:

    The area of the weld portion is 0.5mm²Above and 20mm²Below.
45. 45. the absorbent commodity as described in any one of Claims 1 to 44, it is characterised in that:

    Total area of bonding agent configuration section configured with the bonding agent is configured to striated relative to by the bonding agent Region, that is, striped the area of application area is 25% or more and 50% or less.
46. 46. the absorbent commodity as described in any one of Claims 1 to 45, it is characterised in that:

    The coating amount of the bonding agent in bonding agent configuration section configured with the bonding agent is 0.1g/m²Above and 5g/m²With Under.