CN208372028U - A kind of suitable body leakproof absorbent article - Google Patents

Abstract

The utility model relates to a kind of suitable body leakproof absorbent articles, including liquid permeability surface layer, opaque liquid bottom and dumbbell shape absorbent cores, left leakproof edge and right leakproof edge are respectively arranged in the width direction two sides of the absorbent article, each leakproof edge includes base portion, freedom portion, and it is connected to the freedom portion and is located at the pars contractilis of freedom portion upper end, elastomer is equipped in the pars contractilis, so that leakproof edge has elastic extension in a longitudinal direction, it is characterized by: each leakproof edge further includes set on the suitable body interconnecting piece between the base portion and freedom portion, the suitable body interconnecting piece is set to longitudinal both sides of the edge position with the dumbbell shape absorbent cores crotch, the suitable body interconnecting piece is when absorbent article is in nature relaxation stereoscopic-state, so that the leakproof edge of junction is along dumbbell between freedom portion and suitable body interconnecting piece For the width direction of type absorbent cores crotch to after contract, each leakproof edge forms three-dimensional arc leakproof edge in the width direction of absorbent article.

Description

A kind of suitable body leakproof absorbent article

Technical field

The utility model relates to disposable sanitary articles technical field, in particular to a kind of suitable body leakproof absorbent article.

Background technique

In general, baby's absorbent article includes baby paper diaper, nappy, Tolaku etc., there is multilayer material composition, Including inner surface material, absorbing material etc..As the improvement of people's living standards, due to baby paper diaper have it is easy to carry, The advantages of clean hygiene, therefore, paper diaper for infant using more and more extensive.Baby's absorbent article increasingly be particular about comfortably with Practical, the application of baby's absorbent article facilitates people and fosters baby.

More thick and heavy due to resulting in paper diaper using traditional technique, it is inconvenient to come to infant's active belt, and it is long when Between use be easy to stick together, tomography, therefore be easy to be expressed to the crotch of infant, make troubles to infant's activity, while The health care belt of infant is endangered, the healthy growth of infant is influenced.In order to which baby's dress is more comfortable, occur by bulky suction Receive the case where material is to ultra-thin absorbent excessive material.But due to ultrathin products have the characteristics that it is lighter and thinner, more comfortable, It is more and more welcomed by the people.

Design focal point is also placed in leakproof by current paper diaper mostly, prevents various troubles of urine leakage bring and not Just, the cutting method of baby's hip curve should be adapted to by less focusing on paper diaper, this engineering science of people not met, especially for leakproof The thick and heavy paper diaper of design be to the inside pressure of baby leg it is quite big, it is even more so after inner core-body adsorbs urine, make At baby's inconvenient activity, harm can be brought to the health of baby for a long time by using, and influence the healthy growth of baby.For this purpose, bulletin Number a kind of gold double-arc multilayer core paper diaper are proposed for the patent of CN203089561U, including the length being arranged in paper diaper Bar shaped inner core-body, the inner core-body have resigning leg indent camber line, the indent camber line along inner core-body length side To the two sides for being symmetricly set on inner core-body center line；The inner core-body is along its length direction including two ends and positioned at two Middle part between a end, the width at middle part are less than the width at both ends, and the both ends at middle part are connect by changeover portion respectively with end, Changeover portion is connected with gradually broadening from middle part to both ends nature transition.By precisely cutting crotch radian, golden ratio is formed Double arcs make to be under pressure on the inside of baby leg, more comfortable fittingness after baby wears, activity is more convenient, from By；And also keep paper diaper more frivolous, ventilative on the basis of guaranteeing paper diaper dry leakproof, inner core-body not discontinue does not rise It sticks together, beneficial to the healthy growth of baby.

However, although the prior art sets the absorptive core of paper diaper to the absorptive core of the arc-shaped structure of crotch, also Claim dumbbell shape absorptive core, but the calf circumference due to being arranged on disposable absorbent article and leakproof edge, in use, prevent Leakage edge standing is in U-shape stereoscopic-state, thus leakproof edge still can the leg skin to wearer constantly rubbed, lead It is even inflamed that scratch occurs on the skin in cause.Therefore, the utility model passes through setting on the basis of existing leakproof edge Suitable body interconnecting piece, when so that absorbent article is in nature relaxation stereoscopic-state, so that connecting between freedom portion and suitable body interconnecting piece The leakproof edge at place is connect along the width direction of dumbbell shape absorbent cores crotch to after contract, each leakproof edge is in absorbent article Width direction form three-dimensional arc leakproof edge, avoid the problem of leakproof edge rubs to the leg skin of wearer, together When because leakproof edge is to the crotch of absorptive core to contract so that the more suitable body of the wearing of absorbent article, personal effect are more preferable.

Summary of the invention

The purpose of this utility model be exactly be provide in view of the above technical problems, guarantee paper diaper dry leakproof basis On, a kind of figure ratio according to baby is provided, by leakproof edge along the crotch width direction of dumbbell shape absorbent cores to contract, Make to be under pressure on the inside of baby leg, personal effect is more preferable, so that the absorbent article of the more suitable body of wearing, baby are worn on body More comfortable fittingness, activity are more convenient, free after upper.

In order to achieve the above objectives, the utility model is achieved through the following technical solutions: the suitable body leakproof absorbs Product, including liquid permeability surface layer, opaque liquid bottom and the dumbbell being placed between the liquid permeability surface layer, opaque liquid bottom Type absorbent cores are respectively arranged with the left leakproof edge extendd in the longitudinal direction and the right side in the width direction two sides of the absorbent article Leakproof edge, each leakproof edge includes base portion, is connected to the base portion and is located at the freedom portion of base portion upper end, and is connected to The freedom portion and the pars contractilis for being located at freedom portion upper end, are equipped with elastomer, so that leakproof edge is in longitudinal direction in the pars contractilis There is elastic extension on direction, each leakproof edge further includes the suitable body interconnecting piece being set between the base portion and freedom portion, The suitable body interconnecting piece is set to longitudinal both sides of the edge position with the dumbbell shape absorbent cores crotch, which is absorbing When product is in nature relaxation stereoscopic-state, so that the leakproof edge of junction is along mute between freedom portion and suitable body interconnecting piece For the width direction of bell type absorbent cores crotch to after contract, each leakproof edge forms three-dimensional arc in the width direction of absorbent article Shape leakproof edge.

In a specific embodiment, the suitable body interconnecting piece along dumbbell shape absorbent cores crotch width direction longitudinal side Boundary is symmetrical arranged, and the distance between the suitable body interconnecting piece and crotch longitudinal direction side boundary are 0-5mm, the suitable body interconnecting piece and base Interruption distance between portion is 3-20mm.

Dumbbell shape absorbent cores described in the utility model, lateral breadth is at the both ends of crotch point along absorbent cores center The progressive contraction of point forms the arc-shaped curve of crotch point or arc broken line and is in symmetrical two crotch longitudinal direction sides boundary.It is each The suitable body interconnecting piece of leakproof edge is made of at least one tie point being distributed along crotch longitudinal direction side boundary, and the tie point is by existing There are the ultrasonic wave in technology, infrared, heat seal pressing to form or form through glue bond, the tie point is formed by distribution trajectory packet The point distribution that a tie point or two tie points are formed is included, or continuously distributed, straight by the camber line that more than two tie points are formed Line is continuously distributed, kind one of in arcuate break distribution and linear Disjunct distribution.

Each leakproof edge described in the utility model by being integrally formed after there is certain non-woven cloth resistant to pressure to fold, Wherein, the base portion of leakproof edge is coated in the junction in conjunction with surface layer or opaque liquid bottom along base portion longitudinal direction side The elastomer of edge distribution is to form calf circumference, and the boundary of the width longitudinal direction of leakproof edge exceeds the longitudinal direction beyond absorbent cores Boundary, and flushed with the longitudinal boundary of the opaque liquid bottom.

The opaque liquid bottom is from top to bottom bonded by counterdie, with certain counterdie non-woven cloth resistant to pressure, And the lateral breadth of counterdie non-woven cloth is greater than counterdie transverse direction breadth, which is integrally formed described every after folding One leakproof edge, including rear and surface layer or counterdie is folded inward along the longitudinal boundary of absorbent article by the counterdie non-woven cloth Gluing in conjunction with and form the base portion of leakproof edge, then the counterdie non-woven cloth continue up be folded in or out in order after extension it is viscous Close and formed the pars contractilis of each leakproof edge.

Opaque liquid bottom described in the utility model by counterdie, with certain counterdie non-woven cloth resistant to pressure by up to Under be bonded, and the lateral breadth of counterdie non-woven cloth be greater than counterdie transverse direction breadth, the counterdie non-woven cloth fold after one Form each leakproof edge.Scheme as a further preference, the counterdie non-woven cloth are integrally formed packet after folding It includes and the rear shape in conjunction with surface layer or counterdie gluing is folded inward along the longitudinal boundary of absorbent article by the counterdie non-woven cloth At the base portion of leakproof edge, then the counterdie non-woven cloth continue up extension after be folded in or out in order bonding and formed described in The pars contractilis of each leakproof edge.

In leakproof edge pars contractilis, elastomer includes the fixing end at elastomer both ends and is located between two fixing ends Elastic force section, the draw ratio of the elastic force section is 1.3-2.9, and multiple gauffers, multiple gauffer difference are formed in elastic force section It is extended continuously on more elastomers, and the fixing end is fixed on pars contractilis material.

The utility model also provides a kind of novel leakproof barrier structure, along each leakproof edge base portion inboard width side To longitudinal direction side boundary be provided with heat seal impervious body, the heat seal impervious body from top to bottom will be every in the thickness direction of absorbent article One leakproof edge is connect with opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid bottom hot rolling.One In a little specific embodiments, the heat seal impervious body passes through each leakproof edge, liquid permeability surface layer and opaque liquid bottom Thermal synthesis layer is connected as one.Heat seal impervious body can effectively prevent urine along the transverse width direction of dumbbell shape absorbent cores from leakproof Gap exudation between edge and opaque liquid bottom, a possibility that preventing urine from oozing out from leg two sides, reduce side leakage.

It is of the utility model the utility model has the advantages that being provided a kind of according to treasured on the basis of guaranteeing paper diaper dry leakproof Precious figure ratio makes leakproof edge on the inside of baby leg not along the crotch width direction of dumbbell shape absorbent cores to contract It will receive pressure, personal effect is more preferable, so that the absorbent article of the more suitable body of wearing, baby is more comfortable after wearing to be closed Body, activity are more convenient, free.Meanwhile the heat seal impervious body of setting can effectively prevent urine along the cross of dumbbell shape absorbent cores It is oozed out to gap of the width direction between leakproof edge and opaque liquid bottom, prevents urine from oozing out from leg two sides, reduced A possibility that side leakage.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the suitable body leakproof absorbent article of embodiment 1, embodiment 2, embodiment 3.

Fig. 2 be embodiment 1, embodiment 2 be directed to Fig. 1 Fig. 1 A-A schematic cross-sectional view.

Fig. 3 is the arcuate break distribution schematic diagram of the suitable body interconnecting piece of embodiment 3.

Fig. 4 is the continuously distributed schematic diagram of arc of the suitable body interconnecting piece of embodiment 3.

Fig. 5 is the A-A schematic cross-sectional view for Fig. 1 of embodiment 4.

Fig. 6 is the A-A schematic cross-sectional view for Fig. 1 of embodiment 5.

Fig. 7 is the structural schematic diagram of the suitable body leakproof absorbent article of embodiment 6.

Fig. 8 is the B-B schematic cross-sectional view for Fig. 7 of embodiment 6.

Fig. 9 is the structural schematic diagram of the heat seal impervious body of embodiment 6.

Figure 10 is the multilayer folding structural schematic diagram of the heat seal impervious body of embodiment 6.

Specific embodiment

In order to be defined as follows to term in text to the further understanding of utility model work:

Term " absorbent article " refers to the article of the excreta (urine, excrement, menses) for absorbing and accommodating people, belongs to primary Sex hygiene articles, i.e. hygienic articles absorb liquid and tend to after being saturated or containing the excessive object such as excrement class not use, and enter The article of garbage reclamation processing system, including baby paper diaper, baby diaper, baby Tuo La trousers, adult diaper, adult paper Diaper etc..

Term " liquid permeability surface layer " refers to that hot-melt fiber handles by surface hydrophilicity and has excellent permeability to liquid Non-woven cloth, non-woven cloth is also known as non-woven fabrics, including Through-Air Thermal Bonded Nonwovens, Nonwovens, spun-bonded non-woven, water Prick nonwoven cloth or needle punched non-woven fabrics are prior art material known to industry those skilled in the art.

Term " opaque liquid bottom " is from top to bottom combined by gas permeation bottom film, counterdie non-woven cloth, counterdie weaving Cloth includes spun-bonded non-woven, spunbond melt-blow nonwoven, Nonwovens.Wherein, the type of spunbond melt-blow nonwoven Including SMS, SMMS, wherein S represents spunbond structure sheaf, and M represents melt-blown structure sheaf.

Term " dumbbell shape absorbent cores " refers to the lateral breadth of absorbent cores at the both ends of crotch point along absorbent cores central point Progressive contraction forms the arc-shaped curve of crotch point or arc broken line and is in symmetrical two crotch longitudinal direction sides boundary, dumbbell shape Absorbent cores are in industry also known as figure of eight absorbent cores, including it is traditional by wood pulp cellulose and super absorbent resin homogeneous blend and At absorbent cores, and overlap by dust-free paper or bulked paper, including at least upper absorptive core and lower absorptive core built-up Two layers of absorptive core and clean paper layer or bulked paper, it is compound and be linked together by adhesive layer from top to bottom.Wherein, upper absorbent cores Body and lower absorptive core are using hot wind loft nonwoven cloth as skeletal support material, in the fiber mesh of hot wind loft nonwoven cloth Between be combined with super absorbent resin.

Gluing described in the utility model, which combines, to be referred to two layers and two layers or more using hot melt adhesive (also known as hot-fusible pressure-sensitive adhesive) Material pass through hot melt adhesive layer gluing composite joint, wherein to leakproof edge spandex thread, calf circumference spandex thread using cohesive force it is larger Elastomer hot melt glue, and between liquid permeability surface layer, opaque liquid bottom and dumbbell shape absorbent cores use cohesive force it is larger Structure hot melt adhesive.Elastomer hot melt glue used in the utility model, structure hot melt adhesive are prior art material, this is practical Fuse machine used in novel is existing equipment known to industry those skilled in the art.The use temperature that hot melt adhesive is arranged is 130℃-160℃

In order to make further understanding to utility model, it is explained now in conjunction with attached drawing.

Embodiment 1

The suitable body leakproof absorbent article 1 of the present embodiment uses dumbbell shape absorbent cores 12, as shown in Fig. 1, lateral breadth 7 position of crotch both ends along the progressive contraction of absorbent cores central point, formed the arc-shaped curve in 7 position of crotch or arc broken line and In symmetrical two crotch longitudinal direction sides boundary.

As shown in attached drawing 1, Fig. 2, suitable body leakproof absorbent article 1 described in the present embodiment, including it is liquid permeability surface layer 11, impermeable Fluidity bottom 10 and the dumbbell shape absorbent cores 12 being placed between the liquid permeability surface layer 11, opaque liquid bottom 10, described The width direction two sides of absorbent article 1 are respectively arranged with the leakproof edge 3 extendd in the longitudinal direction, and leakproof edge 3 includes left anti- Leak edge 3a and right leakproof edge 3b, wherein after each leakproof edge 3a, 3b is by having certain non-woven cloth resistant to pressure to fold Integrally formed, the boundary such as spun-bonded non-woven or spunbond melt-blow nonwoven, the width longitudinal direction of leakproof edge 3a, 3b is super The longitudinal boundary of dumbbell shape absorbent cores 12 out, and flushed with the longitudinal boundary of the opaque liquid bottom 10.

As shown in Fig. 2, each leakproof edge includes base portion 31, is connected to the base portion 31 and is located at 31 upper end of base portion Freedom portion 32, and be connected to the freedom portion 32 and be located at the pars contractilis 33 of 32 upper end of freedom portion, it is set in the pars contractilis 33 Flexible body 34, wherein the base portion 31 and liquid permeability surface layer 11 or opaque liquid bottom 10 of leakproof edge carry out perimeter bond knot Close, be coated in the junction along 31 vertical side of the edge of base portion distribution elastomer 2 to form calf circumference,

Elastomer 2, elastomer 34 can choose flat rubber root, spandex thread, be both preferably spandex thread in the present embodiment, wherein Spandex thread in leakproof edge pars contractilis makes leakproof edge 3a, 3b have elastic extension in a longitudinal direction, leakproof every In the pars contractilis of side, the fixing end and the elastic force section between two fixing ends that spandex thread includes spandex thread both ends, the bullet The draw ratio of power section is 1.3-2.9, multiple gauffers 8 is formed in elastic force section, multiple gauffer is respectively on more spandex threads It is extended continuously, and the fixing end is fixed on the non-woven fabric material of leakproof edge of pars contractilis.

As shown in Fig. 2, each leakproof edge further includes set on the suitable body interconnecting piece between the base portion 31 and freedom portion 32 6, the suitable body interconnecting piece 6 is set to longitudinal both sides of the edge position with the crotch 7 of the dumbbell shape absorbent cores 12, the suitable body connection Portion 6 is when absorbent article 1 is in nature relaxation stereoscopic-state, so that the junction between freedom portion 32 and suitable body interconnecting piece 6 Leakproof edge 3a, 3b is along the width direction of dumbbell shape absorbent cores crotch 7 to after contract, and each leakproof edge is in absorbent article Width direction form three-dimensional arc leakproof edge.

It further include in the setting of existing absorbent article for absorbent article to be fixed on wearer in the present embodiment Closed system, such as frontal waist plaster 14 and the left and right magic being used cooperatively with frontal waist plaster hook patch 5, and for adjusting absorbent article Dress the elastic waistline 4 or big-ear elastic waistline of elasticity and comfort.

The three-dimensional arc leakproof edge that the present embodiment is formed makes suitable body leakproof absorbent article 1 (U be presented using wearing effect Type state) when, so that being located at the more suitable body of leakproof edge of crotch point, will not pull, rub or fasten user (infant) Medial thigh skin, dress it is more comfortable.

Embodiment 2

The present embodiment is on the basis of being equipped with suitable body leakproof absorbent article 1 of suitable body interconnecting piece 6 made from embodiment 1, such as Shown in attached drawing 1, the suitable body interconnecting piece 6 is symmetrical arranged along longitudinal side circle of 7 width direction of dumbbell shape absorbent cores crotch, The distance between the suitable body interconnecting piece 6 and 7 longitudinal direction side boundary of crotch are 0-5mm.As shown in Fig. 2, the suitable body interconnecting piece 6 Interruption distance between base portion 31 is 3-20mm.

Embodiment 3

Suitable body interconnecting piece is made of at least one tie point being distributed along crotch longitudinal direction side boundary.Tie point institute shape At distribution trajectory include point distribution that a tie point or two tie points are formed, also can choose by more than two tie points The camber line of formation is continuously distributed, straight line is continuously distributed, arcuate break distribution and linear Disjunct distribution in one of kind. The tie point can carry out hot pressing pressing, but hot melt adhesive glue can also be used in some embodiments by ultrasonic wave, infrared, heat seal It is viscous to form.

As shown in Fig. 1, the present embodiment is directed to the distribution rail of the suitable body interconnecting piece 6 in embodiment 1, embodiment 2 Mark is continuously distributed by the straight line being distributed along 7 longitudinal direction side boundary of crotch.

As shown in Fig. 3, it fits body interconnecting piece 6b to be made of three tie points, with certain point between two neighboring tie point Gauge is sowed discord to break and is distributed on camber line, i.e., these three is connected formation camber line or arc curve after dot sequency lines, three companies The distribution trajectory of contact constitutes arcuate break distribution.

As shown in Fig. 4, the distribution trajectory for fitting body interconnecting piece 6c is to be connected by the camber line being distributed along 7 longitudinal direction side boundary of crotch Continuous distribution.

In addition, linear Disjunct distribution also can be used in the distribution trajectory of suitable body interconnecting piece, which refers to In more than two tie points, between two neighboring tie point on straight line with certain separation distance Disjunct distribution.

Embodiment 4

In the present embodiment, in addition to the structure of leakproof edge 3 is different from embodiment 1, the other structures of absorbent article 1 with reality It is identical to apply example 1.

As shown in figure 5, the leakproof edge 3 of the present embodiment uses spunbond melt-blow nonwoven (SMS or SMMS), each leakproof Edge 3a, 3b are by being integrally formed pars contractilis 33 after there is certain spunbond melt-blow nonwoven resistant to pressure to fold, in pars contractilis Equipped with spandex thread, under pars contractilis and the spunbond melt-blow nonwoven 32a and spunbond melt-blown non-woven of pars contractilis 33 are connected Cloth 32b is completely overlapped and is bonded freedom portion 32, and spunbond melt-blow nonwoven 32a is compounded in liquid permeability surface layer 11, no Between liquid permeability bottom 10, and spunbond melt-blow nonwoven 32b is compounded on opaque liquid bottom 10, in the specific of the present embodiment In embodiment, include the following steps:

Firstly, on spunbond melt-blow nonwoven position pars contractilis 33 region, and by pars contractilis continue outward from By portion region.

Secondly, carrying out spiral glue spraying to pars contractilis region, which belongs to the dedicated hot-fusible pressure-sensitive adhesive of elastomer, has stronger Cohesive force prevents spandex thread in pars contractilis from generating creep, while to freedom portion region, including spunbond melt-blow nonwoven 32a, The interior adhesive surface of spunbond melt-blow nonwoven 32b is coated frictioning, and king bolt glue spraying can also be used.

Again, the spandex thread of draw ratio 1.3-2.9 is compounded on pars contractilis region, then by spunbond melt-blow nonwoven Along the longitudinal direction doubling of outer rim, the coating spandex silk for being located at outside spandex thread, at the same by spunbond melt-blow nonwoven 32a, Spunbond melt-blow nonwoven 32b is fitted and connected.

Finally, connect with spunbond melt-blow nonwoven 32a, 32b of freedom portion and be located at spunbond melt-blow nonwoven 32a, Spunbond melt-blow nonwoven 31a, 31b under 32b are folded outward to relative direction respectively, and spunbond melt-blow nonwoven 31a is compound Between liquid permeability surface layer 11 and opaque liquid layer 10, spunbond melt-blow nonwoven 31b is compounded on opaque liquid bottom 10, And form floated dumbbell shape absorbent cores 12.In certain embodiments, dumbbell shape, which absorbs, is provided with wrapping layer 13 outside 12.

Embodiment 5

In the present embodiment, in addition to the structure of leakproof edge 3 is different from embodiment 1, the other structures of absorbent article 1 with reality It is identical to apply example 1.

As shown in fig. 6, opaque liquid bottom 10 by counterdie 10a, with certain counterdie non-woven cloth 10b resistant to pressure by upper This is bonded under, counterdie 10a includes curtain coating counterdie, gas permeation bottom film, preferably gas permeation bottom film, but the counterdie of the present embodiment is non- The lateral breadth of woven cloths 10b is greater than counterdie 10a transverse direction breadth, which is integrally formed described after folding Each leakproof edge 3a, 3b, comprising: counterdie 10a is compounded between two parties on counterdie non-woven cloth 10b, by the counterdie non-woven cloth Two longitudinal sides of 10b width direction are respectively turned inwards after folding and saturating along the longitudinal boundary of absorbent article 1 or counterdie 10a Fluidity surface layer 10 or counterdie 10a gluing in conjunction with and form leakproof edge 3, the base portion 31 including leakproof edge 3a, 3b, the then bottom Film non-woven cloth 10b is folded in or out in order bonding and forms stretching for described each leakproof edge 3a, 3b after continuing up extension Contracting portion 33 is equipped with spandex thread in pars contractilis 33, and freedom portion is between base portion 31 and pars contractilis 33.

Embodiment 6

As shown in attached drawing 7, Fig. 8, for the present embodiment on the basis of the suitable body leakproof absorbent article of embodiment 1, the suitable body is anti- Leakage absorbent article also provides a kind of novel other than being provided with suitable body interconnecting piece 6d (distribution trajectory is linear Disjunct distribution) Leakproof barrier structure is provided with heat seal impervious body along the longitudinal direction side boundary in each 31 inboard width direction of leakproof edge base portion 15, each leakproof edge is at least connected as one with opaque liquid bottom by thermal synthesis layer by the heat seal impervious body 15.

As shown in Fig. 9, in the present embodiment, the base portion 31 of each leakproof edge 3, liquid permeability surface layer 11 and liquid-tight Property 10 gluing binder course 16 of bottom be connected as one, wherein base portion 31 is the spunbond melt-blow nonwoven of single layer structure, then edge The longitudinal direction side boundary in each 31 inboard width direction of leakproof edge base portion set heat seal impervious body 15, heat seal impervious body 15 will be each Base portion 31, liquid permeability surface layer 11 and the opaque liquid bottom 10 of leakproof edge 3 are connected as one by thermal synthesis layer 17, the heat seal Layer can be by being formed under ultrasonic wave, infrared, Heat seal conditions by roller hot pressing, and the temperature of hot pressing is 120 DEG C -170 DEG C.

In certain embodiments, to solve the base portion 31 that is made of the spunbond melt-blow nonwoven of single layer structure in roller Damaged problem is caused since hot pressing temperature is excessively high or spunbond melt-blow nonwoven grammes per square metre is too low in wheel hot pressing, it can will be by The base portion 31 that the spunbond melt-blow nonwoven of single layer structure is constituted is set as being made of the spunbond melt-blow nonwoven of multilayered structure Base portion 31, as shown in Fig. 10, the base portion 31 that the spunbond melt-blow nonwoven of the multilayered structure is constituted is meltblown non-knit by spunbond It makes cloth repeatedly to be folded in 15 corresponding position of heat seal impervious body, forms multilayered structure, being preferably in the present embodiment will be by spunbond Melt-blow nonwoven carries out secondary folding in 15 corresponding position of heat seal impervious body, forms the spinning of three-decker in heat seal impervious body 15 Viscous melt-blow nonwoven, after roller hot pressing between the spunbond melt-blow nonwoven of three-decker and spunbond melt-blown is non-knits Formation bond vitrified point, bond vitrified point between cloth, liquid permeability surface layer 11 and opaque liquid bottom 10 is made to collect to form heat seal Layer 17.

The present embodiment leakproof edge base portion setting heat seal impervious body 15, thickness of the heat seal impervious body 15 in absorbent article Direction is spent from top to bottom by each leakproof edge and opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid Bottom hot pressing connects.In certain embodiments, two longitudinal sides of liquid permeability surface layer along dumbbell shape absorbent cores longitudinal direction Side edge is compounded between dumbbell shape absorbent cores and opaque liquid bottom after being folded inward, and heat seal impervious body 15 is absorbing system at this time The thickness direction of product is from top to bottom by each leakproof edge and opaque liquid bottom hot pressing connects.By leakproof edge, opaque liquid Bottom or leakproof edge, liquid permeability surface layer and opaque liquid bottom.And in other specific embodiments, liquid permeability surface layer Intermediate region is compounded in dumbbell shape absorbent cores, and two longitudinal side outreach rear perimeter edges of liquid permeability surface layer are glued at opaque liquid bottom On layer, at this time heat seal impervious body 15 absorbent article thickness direction from top to bottom by each leakproof edge, liquid permeability surface layer and Opaque liquid bottom hot pressing connects.The also settable various floral designs on the surface layer of heat seal impervious body 15.

The effect of heat seal impervious body 15 is to be based on absorbent article during absorbing liquid due to malabsorption, leads to urine It is laterally oozed out by the gap between leakproof edge and opaque liquid bottom, and then urine is oozed out from leg two sides, is caused serious Leakage problems are lost the use meaning of absorbent article, to find out its cause, this is urine once flowing touching Super Absorbent Polymer Particles Surface is stored by Super Absorbent Polymer Particles, meanwhile, Super Absorbent Polymer Particles will expand after absorbing urine, after expansion The tacky phenomenon of high hydroscopic resin colloid colloid surface, be easy to appear colloid choking phenomenon, subsequent urine caused to be difficult to seep It spreads apart to come again in absorbent cores such as ordinary straight stripe shape absorbent cores, dumbbell shape absorbent cores, so that transverse direction of the urine along absorbent cores Gap exudation of the width direction between leakproof edge and opaque liquid bottom.Heat seal impervious body 15 can effectively prevent urine along Gap between leakproof edge and opaque liquid bottom prevents urine from oozing out from leg two sides, subtracts to two sides horizontal proliferation, exudation It a possibility that few side leakage, effectively solves the problems, such as of the existing technology.

Embodiment 7

The present embodiment provides a kind of manufacturing methods of suitable body leakproof absorbent article, wherein calf circumference elastomer, leakproof edge bullet Property body is all made of spandex thread；Liquid permeability surface layer uses Through-Air Thermal Bonded Nonwovens, opaque liquid bottom " by counterdie, counterdie non-woven cloth It is from top to bottom combined, wherein counterdie selects gas permeation bottom film, and counterdie non-woven cloth optional structure is the spunbonded nonwoven of SS Cloth, structure are the spunbond melt-blow nonwoven of SMMS or SMMMS；Leakproof edge uses structure for the spunbond melt-blown non-woven of SMMS Cloth, step include the following:

The step of step 1: calf circumference spandex thread is compounded on opaque liquid primer, obtains primer structure sheaf.

Step 2: the step of dumbbell shape absorbent cores are compounded in primer structure sheaf.

Step 3: the step of forming leakproof edge base portion, freedom portion and being coated with the pars contractilis of elastomer.

Step 4: the transmission of step 3 simultaneously carries out longitudinally, laterally drawing process.

Step 5: using the suitable body interconnecting piece position of each leakproof edge of infrared positioning and generates the step of tie point engagement Suddenly.

Step 6: the step of cutting off arc calf circumference excess stock.

Step 7: the process for cutting into monolithic, FOLD AND PACK.

In some embodiments, the leakproof edge in the step (three) is folded by spunbond melt-blow nonwoven After be integrally formed, specifically comprise the following steps:

Step S1: being first longitudinally interrupted glue spraying on the spunbond melt-blown non-woven cloth material of leakproof edge, and glue spraying position is corresponding In longitudinal both ends corresponding position of absorbent article；By spandex thread to be arranged laterally at a spacing under draw ratio 1.3-2.9 tensional state On leakproof edge material, leakproof edge material is folded along the longitudinal direction of outer layer spandex thread using flange slot and flange deflector roll, it will Spandex thread is coated between two layers of leakproof edge material, and multiple spandex threads are incorporated in the spunbond melt-blow nonwoven of leakproof edge On, and press and form pars contractilis, then by spunbond be meltblown it is non-knit doubling make cloth be compounded in liquid permeability surface layer longitudinal two sides and shape At base portion, and form the freedom portion of leakproof edge.

Step S2: the liquid permeability surface layer of step S1 is compounded in the dumbbell shape absorbent cores of the step (2), including will Two longitudinal side perimeter bonds of liquid permeability surface layer are connected on opaque liquid bottom, the middle area between two longitudinal sides Domain is compounded in dumbbell shape absorbent cores.

In other specific embodiments, the leakproof edge of the step (3) as counterdie non-woven cloth by using Spunbond melt-blow nonwoven is integrally formed after folding, wherein use as counterdie non-woven cloth spunbond melt-blow nonwoven when knot Structure is the spunbond melt-blow nonwoven of SMMS, and opaque liquid bottom is bonded by gas permeation bottom film, spunbond melt-blow nonwoven.

In the step (one), the lateral breadth of spunbond melt-blow nonwoven is greater than gas permeation bottom film transverse direction breadth, together When, it further include carrying out interruption glue spraying, preferably spiral glue spraying in spunbond melt-blow nonwoven, and leakproof edge spandex thread is compounded in Interval on spunbond melt-blow nonwoven, between the leakproof edge spandex thread and the calf circumference spandex thread in the lateral width direction For 5-10cm, and it is in arranged in parallel on length longitudinal direction with calf circumference spandex thread, obtains precast body.

Precast body is transmitted on spandex thread and is carried out after stretching horizontally, by spunbond melt-blow nonwoven along described The outer vertical side of the edge of leakproof edge spandex thread carries out flanging through flange slot and flange deflector roll and is folded in or out in order, at two layers Foldable layer in be coated with leakproof edge spandex thread.

In step (3), the position corresponding to leakproof edge base portion carries out frictioning processing, and spunbond is then meltblown non-knit Cloth is made to paste after flange slot and flange deflector roll carry out flanging and are folded inward along the outer vertical side of the edge of the calf circumference spandex thread It closes in liquid permeability surface layer and/or gas permeation bottom film, the pressing through roller acts on the base portion to form leakproof edge, pars contractilis and is located at Freedom portion between the two.

In some preferred embodiments, each leakproof edge is by having certain spunbond melt-blown non-woven resistant to pressure Cloth is integrally formed pars contractilis after folding, and spandex thread is equipped in pars contractilis, under pars contractilis and connects the first of pars contractilis Spunbond melt-blow nonwoven and the second spunbond melt-blow nonwoven are completely overlapped and be bonded freedom portion, and the first spunbond is melted Blowing nonwoven is compounded between liquid permeability surface layer, opaque liquid bottom, and the second spunbond melt-blow nonwoven is compounded in liquid-tight On property bottom.

Surface layer or leakproof in step (5), using pressure-sensitive hot melt adhesive machine in the liquid permeability surface layer of suitable body interconnecting piece position Edge endosexine carries out dotted sizing, then uses setting on roller and protrusion corresponding with suitable body interconnecting piece position is to suitable Body interconnecting piece is pressed together, to form the tie point.Liquid permeability surface layer or leakproof are connected except through dotted sizing Outside edge, ultrasonic bonding connection can also be used, or using other interconnection techniques common in the industry.

In addition, further including the compound of absorbent article closed system, including frontal waist plaster, the left and right velcro with frontal waist plaster collocation And elastic waistline is engaged on primer.

Although the utility model describes specific case study on implementation, the scope of the utility model is not limited to Specific embodiment is stated, in the case where not departing from the utility model in essence, to the various modifications of the utility model, variations and alternatives Each fall within the protection scope of the utility model.

Claims (7)

1. a kind of suitable body leakproof absorbent article, including liquid permeability surface layer, opaque liquid bottom and be placed in the liquid permeability surface layer, Dumbbell shape absorbent cores between opaque liquid bottom are respectively arranged with side along longitudinal direction in the width direction two sides of the absorbent article To the left leakproof edge and right leakproof edge of extension, each leakproof edge includes base portion, is connected to the base portion and is located at base portion The freedom portion of upper end, and be connected to the freedom portion and be located at the pars contractilis of freedom portion upper end, bullet is equipped in the pars contractilis Property body so that leakproof edge has elastic extension in a longitudinal direction, it is characterised in that: each leakproof edge further includes suitable body Interconnecting piece, the suitable body interconnecting piece are set to longitudinal both sides of the edge symmetric position with the dumbbell shape absorbent cores crotch, the suitable body Interconnecting piece absorbent article in nature relaxation stereoscopic-state when so that positioned at freedom portion and suitable body interconnecting piece between junction prevent Edge is leaked along the width direction of dumbbell shape absorbent cores crotch to after contract, and each leakproof edge is in the width side of absorbent article To the three-dimensional arc leakproof edge of formation.

2. suitable body leakproof absorbent article according to claim 1, it is characterised in that: the suitable body interconnecting piece and crotch are longitudinal The distance between lateral boundaries are 0-5mm, and the interruption distance between the suitable body interconnecting piece and base portion is 3-20mm.

3. suitable body leakproof absorbent article according to claim 1 or 2, it is characterised in that: the suitable body of each leakproof edge connects Socket part is made of at least one tie point being distributed along crotch longitudinal direction side boundary, and the tie point is by ultrasonic wave, infrared, heat seal pressure Conjunction is formed or is formed through glue bond.

4. suitable body leakproof absorbent article according to claim 3, it is characterised in that: the tie point is formed by distribution rail Mark includes the point distribution that a tie point or two tie points are formed, or the camber line formed by more than two tie points continuously divides Cloth, straight line be continuously distributed, kind one of in arcuate break distribution and linear Disjunct distribution.

5. suitable body leakproof absorbent article according to claim 1, it is characterised in that: on the inside of each leakproof edge base portion The longitudinal direction side boundary of width direction is provided with heat seal impervious body, the heat seal impervious body absorbent article thickness direction by up to It is lower to connect each leakproof edge and opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid bottom hot pressing It connects.

6. suitable body leakproof absorbent article according to claim 1, it is characterised in that: the opaque liquid bottom by counterdie, It is from top to bottom bonded with certain counterdie non-woven cloth resistant to pressure, and the lateral breadth of counterdie non-woven cloth is greater than counterdie Lateral breadth, the counterdie non-woven cloth are integrally formed each leakproof edge after folding, including non-woven by the counterdie The base portion for forming leakproof edge in conjunction with surface layer or counterdie gluing afterwards is folded inward along the longitudinal boundary of absorbent article for cloth, so The counterdie non-woven cloth is folded in or out in order bonding and forms the flexible of each leakproof edge after continuing up extension afterwards Portion.

7. suitable body leakproof absorbent article according to claim 1, it is characterised in that: each leakproof edge is certain anti-by having The spunbond melt-blow nonwoven of hydraulic pressure is integrally formed pars contractilis after folding, and elastomer is equipped in pars contractilis, be located at pars contractilis it Descend and connect pars contractilis the first spunbond melt-blow nonwoven and the second spunbond melt-blow nonwoven it is completely overlapped and be bonded Freedom portion, and the first spunbond melt-blow nonwoven is compounded between liquid permeability surface layer, opaque liquid bottom, the melt-blown of the second spunbond Non-woven cloth is compounded on opaque liquid bottom.