CN205885666U - Absorbent article - Google Patents

Abstract

The utility model discloses an absorbent article uses crotch portion cladding region as the center on vertical, forms veutro cladding region and dorsal part cladding region respectively at its front portion, rear portion, absorbent article has the leak protection piece of the positive dough sheet of liquidity, liquid -tight nature back piece, the absorption core between positive dough sheet and back piece and liquid -tight nature, and the regional left and right sides symmetry of dorsal part cladding is provided with the elasticity auricle, but the elasticity auricle is by the first sheet of the tensile properties of upper and lower overlapping, second sheet to and the coating is constituteed at the elasticity bonding agent that just extends on horizontal at least between two sheets, installed first fastener in the outside of elasticity auricle, be equipped with on veutro cladding region can with first fastener matched with second fastener. The utility model discloses utilize the cementability of elasticity bonding agent under high temperature to and the room temperature under elasticity tensile properties, when realizing that first sheet and second sheet bond, it wins to make no longer need additionally increase elastomeric element and just can realize time contracting of two sheets between sheet and the second sheet, has simple structure, advantage that production efficiency is high.

Description

A kind of absorbent article

Technical field

This utility model belongs to hygiene article sector, more particularly, to disposable absorbent article.

Background technology

The absorbent item of such as baby paper diaper, adult diaper and belt-diapers is produced at high speeds, its Except including positive dough sheet, back sheet, also include lateral plate.These lateral plates are used for providing enough to fixing using product for absorbent item In the horizontal expansion of user section, therefore usually require that it possesses certain elasticity.Above-mentioned lateral plate typically will at present The flaky material of two kinds of non-telescoping passes through wire, netted, banding, lamellar etc. elastomeric element to pass through hot melt under elongation state Glue laminating forms, and then imparts retractility to flaky materials such as non-telescoping non-woven fabrics, in order that absorbent item can be fastened on User section is in addition it is also necessary to arrange hasp in the both sides of lateral plate.

Because when above-mentioned elastomeric element is in contraction state, bilevel flaky material forms big fold, folding line, Can get resiliency by these folds, folding line.But, due to the rigid random distribution of non-woven fabrics, these big fold, folding lines Irregular generation on non-woven fabrics, when using such disposable diaper, diaper is poor with the adhesion of user for user, There is hard sense, skin contact sense is bad during contact.Show according to the study: if the lasting stimulation skin of big fold, folding line, should Thigmic stimuluss can have a negative impact to body, is not only uncomfortable, and will lead to endocrine function imbalance and self-discipline god Through deficiency disorder, or even the growth having influence on intelligence.In addition, also exist by the way of elastomeric element is combined with PUR Manufacture process is complicated, the shortcomings of high cost.

Utility model content

In consideration of it, this utility model provides a kind of absorbent article, solve existing absorbent article high cost, and manufacture Less efficient problem.

The technical scheme that this utility model solution above-mentioned technical problem is adopted is:

A kind of absorbent article, has mutually orthogonal vertical and horizontal, in the vertical centered on crotch cladding region, Form veutro cladding region and dorsal part cladding region at its front portion, rear portion respectively.Described absorbent article has liquid permeability front Piece, opaque liquid back sheet, the absorptive core between positive dough sheet and back sheet, and the leakage prevention sheet of opaque liquid.In the back of the body The left and right sides in side cladding region is symmetrically arranged with elastic auricle, and this elastic auricle is by upper and lower overlapping tensility first sheet material With tensility second sheet material, and the elastic adhesive composition being coated between two sheet materials and at least extending in the horizontal.? The outside of elastic auricle is equiped with the first securing member, is provided with, on veutro cladding region, second can matching with the first securing member Securing member.Now above-mentioned absorbent article launches to be in " t " type.

Above-mentioned elastic adhesive has cementability at high temperature, can bonding first sheet material and the second sheet material；Glue at room temperature Connect hydraulic performance decline, show as good elastic stretching performance.Because the first sheet material and the second sheet material have draftability, when external force is removed During pin the first sheet material and the second sheet material can in the presence of elastic adhesive snapback.In other words, this utility model is hit by a bullet The effect of property bonding agent has at 2 points: one, realizes the first sheet material and the bonding of the second sheet material；2nd, have at room temperature good can Elastic stretching characteristic, can snapback after the stretch, just because of the good elastic stretching characteristic of elastic adhesive so that It is no longer necessary to additionally increase elastomeric element between one sheet material and the second sheet material, and then eliminates elastomeric element, reduce and produce into This.Further, the stretching ratio of above-mentioned elasticity auricle is 1～5.

As further improvement of the utility model, above-mentioned elastic adhesive is in any one in wire, strip or lamellar State is arranged between the first sheet material and the second sheet material.Specifically, when elastic adhesive is in wire or strip, elastic adhesive Extend in the horizontal and be longitudinally spaced be arranged side by side multiple；When elastic adhesive in the form of sheets when, elastic adhesive is comprehensive It is coated between the first sheet material and the second sheet material.Above-mentioned elastic adhesive preferably employs the mode of comprehensive coating.

As a kind of embodiment of the present utility model, above-mentioned first securing member has by thermal welding, bonding or ultrasonic Ripple welding combines several waists patch outside elastic auricle, and is arranged on the hasp that waist sticks.Corresponding second securing member It is located at the target tape that veutro coats region including being arranged on opaque liquid back sheet, the dismountable fastening of hasp of above-mentioned waist patch On target tape.Certainly this utility model specific embodiment not limited to this, also can be by hasp in aforementioned embodiments and target The position of tape is interchangeable, and will not be described here.

Additionally, the position that elastic auricle is combined with dorsal part cladding region can be the skin contact side of positive dough sheet, front Any one between piece and back sheet, in the non-skin contact side of back sheet.Preferably, the position of above-mentioned combination is arranged on front It is optimal between piece and back sheet.

As further improvement of the utility model, the left and right sides coating region in veutro is also symmetrically arranged with Attacking Midfielder Patch.First above-mentioned frontal waist plaster is inwardly coated on waist both sides during use, then by elastic auricle along waist packing in Attacking Midfielder The outside of patch, and be fastened on the second securing member by the first securing member is dismountable.Now, above-mentioned absorbent article launch be in " work " font.

Preferably, it is additionally provided with the conducting shell for accelerating liquid diffusion velocity between above-mentioned positive dough sheet and absorptive core.

As the manufacture method of this utility model absorbent article, it includes following operation: in the first sheet material and second Apply elastic adhesive at least perpendicular with flow direction width between material, make the operation of elastomeric belt body；In bullet Both sides arranged for interval first securing member of property belt body, and described elastomeric belt body is divided into two operation along flow direction；Will The described first elastic webbing body being divided into two, second elastic webbing body combine the operation on the first fabric；Manufacture absorptive core Operation；Supply the supply step of the second fabric；Configure absorptive core between the first fabric and the second fabric, make absorber band The operation of material；With the operation cutting off absorber band with specific length.

Further, after cut off the operation of absorber band with specific length, also include along width doubling So that the veutro end being configured with the absorber band of absorptive core is close to each other with dorsal part end or even the operation that overlaps.

Further, first elastic webbing body, second elastic webbing body combine operation on the first fabric with first Configure absorptive core between fabric and the second fabric, make between the operation of absorber band, also include combining frontal waist plaster Operation on first fabric.

For manufacture method of the present utility model, traditional manufacture method is all real by the way of elastic elastic+applying glue The composite molding of existing waistline, not only needs to add elastic elastic, two stations of applying glue just enable in the fabrication process, and rubber Muscle also needs to when being added between the first sheet material and the second sheet material be fixed by PUR.In addition in elastic adding procedure The middle factor needing in view of elastic tension force, the applying direction of elastic elastic must assure that parallel with flow direction so as to be in Extended state, therefore it is necessary to first pass through transfer after combining elastic elastic between the first sheet material and the second sheet material Rotated 90 ° or 270 °, be re-incorporated into afterwards on the first fabric.It can be seen that, station needed for traditional manufacture method is many, and structure Complexity, equipment cost is high.And adopt manufacture method of the present utility model, eliminate elastic adding set and transfer, structure Upper simpler, and there is low cost, the high advantage of production efficiency.

This utility model compared with prior art, has the advantage that

Absorbent article of the present utility model is symmetrical arranged by tensility by coating the left and right sides in region in dorsal part First sheet material, tensility second sheet material and the elastic auricle of the elastic adhesive composition being coated between two sheet materials, and in bullet Property auricle outside be equiped with the first securing member, veutro coat region on arrange match with the first securing member second fasten Part.Using elastic adhesive cementability at high temperature, and the elastic stretching performance under room temperature, realize the first sheet material and second So that being no longer necessary to additionally increase elastomeric element between the first sheet material and the second sheet material while sheet material bonding, can be achieved with two The retraction of sheet material, thus reaching, structure is simple, the purpose of reduces cost.

The manufacture method of absorbent article in this utility model, first passes through between the first sheet material and the second sheet material at least Elastic adhesive is applied on the width perpendicular with flow direction and makes elastomeric belt body, then by elastomeric belt body along flow process Direction is divided into two and combines on the first fabric, eliminates elastic adding set and transfer, therefore have structure simple, The with low cost and high advantage of production efficiency.

Brief description

Fig. 1 is the expanded schematic diagram of absorbent article in embodiment 1.

Fig. 2 is the a-a sectional view of Fig. 1.

Fig. 3 is the b-b sectional view of elastic auricle in embodiment 1.

Fig. 4 is the expanded schematic diagram of absorbent article in embodiment 2.

Fig. 5 is the b-b sectional view of elastic auricle in embodiment 2.

Fig. 6 is the b-b sectional view of elastic auricle in embodiment 3.

Fig. 7 is the goods batch figure of absorbent article manufacture method in embodiment 4.

Specific embodiment

Referring to specification drawings and specific embodiments, this utility model is illustrated.

Embodiment 1,

Refer to Fig. 1 to 2, a kind of absorbent article 101, there is mutually orthogonal longitudinal y and horizontal x, in longitudinal direction, y with Centered on crotch cladding region b, form veutro cladding region a and dorsal part cladding region c respectively at its front portion, rear portion.

Absorbent article 101 launch substantially be in " t " type, its have liquid permeability positive dough sheet 1, opaque liquid back sheet 2, between Absorptive core 3 between positive dough sheet 1 and back sheet 2, and the leakage prevention sheet 4 of opaque liquid.It is provided with three-dimensional elastic in leakage prevention sheet 4 7, between absorptive core 3 and liquid permeability positive dough sheet 1, preferably it is provided with conducting shell 8.Described opaque liquid back sheet 2 has waterproof Film 9, is coated on the bottom non-woven fabrics 10 in waterproof membrane 9 outside, and the plane elastic being arranged on bottom non-woven fabrics inside packing portion 11.

The left and right sides coating region c in dorsal part is symmetrically arranged with elastic auricle 5, preferably between two elastic auricles 5 Position be provided with elastic waistline 13.It is equiped with the first securing member 6 in the outside of elastic auricle 5, veutro cladding region a is provided with The the second securing member (not shown) that can match with the first securing member.Above-mentioned first securing member 6 has by thermal welding, glues Connect or ultrasonic melt-joining is combined in several waists patch 61 outside elastic auricle, and be arranged on the hasp 62 that waist sticks.Accordingly The second securing member include being arranged on the target tape that veutro coats region be located on opaque liquid back sheet, the hasp of above-mentioned waist patch Dismountable it is fastened on target tape.

Refer to Fig. 3, elastic auricle 5 is by upper and lower overlapping tensility the first sheet material 51 and tensility second sheet material 52, and the elastic adhesive 53 being coated between two sheet materials and at least extending in the horizontal forms.Above-mentioned elastic adhesive 53 At high temperature there is cementability, can bonding the first sheet material 51 and the second sheet material 52；Adhesive property declines at room temperature, shows as good Good elastic stretching performance.Because the first sheet material 51 and the second sheet material 52 have draftability, the first sheet material 51 when external force cancels Can snapback in the presence of elastic adhesive 53 with the second sheet material 52.In other words, elastic adhesive in this utility model The effect of agent 53 has at 2 points: one, realizes the first sheet material and the bonding of the second sheet material；2nd, have at room temperature good can elasticity Tensile properties, can snapback after the stretch.

Above-mentioned elastic adhesive 53 is arranged between the first sheet material 51 and the second sheet material 52 in wire.Specifically, elasticity is viscous Connect agent 53 extend in the transverse direction ,x and in longitudinal direction, y interval be arranged side by side multiple.Elastic auricle 5 and dorsal part cladding region c phase knot Close position can be positive dough sheet 1 skin contact side, positive dough sheet 1 and back sheet 2 between, the non-skin contact side of back sheet 2 In any one.Preferably, the position of above-mentioned combination is arranged between positive dough sheet 1 and back sheet 2 is optimal.

Embodiment 2,

Refer to Fig. 4, absorbent article 102 launches to be in substantially " work " font, in the left and right sides of veutro cladding region a also It is symmetrically arranged with frontal waist plaster 12.First above-mentioned frontal waist plaster 12 is inwardly coated on waist both sides during use, then by elastic auricle 5 Along waist packing in the outside of frontal waist plaster 12, and it is fastened on the second securing member by hasp 62 is dismountable.

In addition, as shown in figure 5, elastic adhesive 53 is arranged between the first sheet material 51 and the second sheet material 52 in strip.Tool Body, elastic adhesive 53 extend in the transverse direction ,x and in longitudinal direction, y interval be arranged side by side multiple.Remaining is with embodiment 1.

Embodiment 3,

As shown in fig. 6, elastic adhesive 53 is coated between the first sheet material 51 and the second sheet material 52 comprehensively.Remaining is with enforcement Example 1.

Embodiment 4,

Refer to Fig. 7, a kind of manufacture method of absorbent article, including following operation:

Apply at least perpendicular with flow direction md width td between the first sheet material 51 and the second sheet material 52 Elastic adhesive, makes the operation of elastomeric belt body 5 '.Wherein, " at least applying in the direction of the width " can be on ensureing width While telescopicing performance, save the applied amount of elastic adhesive naturally it is also possible to using being coated on the first sheet material and second comprehensively Mode between sheet material.

In both sides arranged for interval first securing member 6 of elastomeric belt body 5 ', and by described elastomeric belt body 5 ' along flow direction Md is divided into two operation.Make it be connected respectively the left and right two that dorsal part coats region by elastomeric belt body is divided into two Side, thus realize the preamble preparation that elastic auricle connects.

The described first elastic webbing body 5-1 ' being divided into two, second elastic webbing body 5-2 ' are combined on the first fabric w1 Operation.Wherein first fabric can be positive dough sheet or back sheet.First elastic webbing body 5-1 ', second elastic webbing body 5- 2 ' and first the faying face of fabric can be the skin contact side of positive dough sheet, the non-skin contact side of positive dough sheet, the skin of back sheet Any one in the non-skin contact side of skin contact side and back sheet.In the present embodiment, the first fabric w1 is positive dough sheet, Also include on first fabric w1 adding the operation of three-dimensional elastic 7.

Manufacture the operation of absorptive core 3.Preferably, conduction is added on the surface being additionally included in absorptive core 3 in this operation The operation of layer 8.

Supply the supply step of the second fabric w2.In the present embodiment, the second fabric w2 is back sheet, and it specifically includes and adds Plus the step of plane elastic 11, elastic waistline 13 and target tape.

Configure absorptive core 3 between the first fabric w1 and the second fabric w2, make the operation of absorber band w3.Enter one Step, combine in the first fabric w1 up in the first fabric w1 and the in first elastic webbing body 5-1 ', second elastic webbing body 5-2 ' Between two fabric w2 between configuration absorptive core 3 operation, also include the operation combining frontal waist plaster 12 on the first fabric w1.

The operation of absorber band w3 in flow direction md, is cut off with specific length.

Make to be configured with veutro end and the dorsal part end phase of the absorber band w3 of absorptive core along width td doubling Operation that is mutually close or even overlapping.

The manufacture method of conventional suction sex aids all realizes the composite molding of waistline by the way of elastic elastic+applying glue, Point two stations are needed just to enable in the fabrication process.In addition need in elastic adding procedure in view of elastic tension force because Element, the direction that applies of elastic elastic must necessarily be located the state paralleled with flow direction md, is therefore combining elastic elastic Rotated 90 ° or 270 ° it is necessary to first pass through transfer after between the first sheet material and the second sheet material, be re-incorporated into afterwards On first fabric.It can be seen that, station needed for traditional manufacture method is many, and complex structure, and equipment cost is high.And adopt this practicality new The manufacture method of type, by directly applying the elastic adhesive of preset shape on width td direction, eliminates elastic and adds Processing sequence and steering operation, therefore have low cost, the high advantage of production efficiency.

Shown in the above and in figure is only preferred implementation of the present utility model, but protection model of the present utility model Enclose not limited to this, for any those of ordinary skill in the art, in the technical scope that this utility model discloses, According to the technical solution of the utility model and its utility model design in addition equivalent or change, all should cover in this practicality newly Within the protection domain of type.

Claims (7)

1. a kind of absorbent article, has mutually orthogonal vertical and horizontal, in the vertical centered on crotch cladding region, It is anterior, rear portion forms veutro cladding region respectively and dorsal part cladding region；Described absorbent article have liquid permeability positive dough sheet, Opaque liquid back sheet, the absorptive core between positive dough sheet and back sheet, and the leakage prevention sheet of opaque liquid, its feature exists In: the left and right sides that described dorsal part coats region is symmetrically arranged with elastic auricle, and this elastic auricle is stretchable by upper and lower overlap Property the first sheet material and tensility second sheet material, and the elastic adhesive being coated between two sheet materials and at least extending in the horizontal Agent forms；It is equiped with the first securing member in the outside of elastic auricle, being provided with veutro cladding region can be with the first securing member phase Second securing member of cooperation.

2. absorbent article as claimed in claim 1 it is characterised in that: described elastic adhesive is in that wire or strip are arranged at the Between one sheet material and the second sheet material, this elastic adhesive extend in the horizontal and be longitudinally spaced be arranged side by side multiple.

3. absorbent article as claimed in claim 1 it is characterised in that: described elastic adhesive be coated on comprehensively the first sheet material with Between second sheet material.

4. absorbent article as claimed in claim 1 it is characterised in that: described first securing member has by thermal welding, bonding Or ultrasonic melt-joining is combined in several waists patch outside elastic auricle, and it is arranged on the hasp that waist sticks；Accordingly, second Securing member includes being arranged on the target tape being located at veutro cladding region on opaque liquid back sheet, and the hasp of above-mentioned waist patch is detachable Be fastened on target tape.

5. absorbent article as claimed in claim 1 it is characterised in that: described elasticity auricle and dorsal part cladding region combines Position can be positive dough sheet skin contact side, positive dough sheet and back sheet between, arbitrary in the non-skin contact side of back sheet Kind.

6. as described in any one of claim 1 to 5 absorbent article it is characterised in that: described veutro coats the left and right two in region Side is also symmetrically arranged with frontal waist plaster；First above-mentioned frontal waist plaster is inwardly coated on waist both sides during use, then by elastic auricle Along waist packing in the outside of frontal waist plaster, and it is fastened on the second securing member by the first securing member is dismountable.

7. absorbent article as claimed in claim 6 it is characterised in that: described elasticity auricle stretching ratio be 1～5.