CN201899610U - Disposable absorption article - Google Patents

Abstract

The utility model provides a disposable absorption article which comprises a liquid-permeable surface layer, a liquid-impermeable base layer and an absorption core. The absorption body appliance is substantially is lengthwise, and comprises a first waistline region, a crutch region and a second waistline region along the length direction of the absorption body appliance; a first elastic waistline component is jointed between a surface layer material and a base layer material of the first waistline region or on one of the surface layer material and the base layer material of the first waistline region, the length direction of the first elastic waistline component is vertical to that of the disposable absorption article, the length of the first waistline component is larger than the width of an absorption appliance, the first waistline component is extended from two lengthways side edges of the absorption appliance with certain length, and the first elastic waistline component is mainly made from an elastic material; and at least one of fastening pieces ara arranged at two end parts of the first elastic waistline component in the length direction, and the first elastic waistline component can be joined with the other waistline region in a loosening way by the fastening pieces.

Description

A kind of disposable adsorption object

Technical field

The present invention relates to disposable adsorption object, relate in particular to and conveniently to take off the disposable adsorption object of wearing and having the opening and closing type of rational elasticity distribution in the waistline zone.

Background technology

Disposable adsorption object, for example disposable diaper, disposable diaper, training all are well-known with diaper, adult's incontinence article or the like.

The tradition diaper only has elasticity at the low back region, and many user are because the difference of the bodily form, more of the same age or have greater or lesser size at positions such as waist or buttocks with the people of weight than general, even select the diaper of right corresponding specification still overgrown situation can occur.Therefore need provide a kind of disposable adsorption object, have elasticity preferably, and securing member can releasably engage, thereby make things convenient for the user adjustment to reach fit effect at waist.

At publication number is in the Chinese patent of CN99100877.4, a kind of disposable adsorption object is disclosed, have in the waistline zone and to have blanketing body elastic extension, that be the panty girdle form along the vertical direction, absorber is connected with thin layer with non-woven fabrics, plastic sheet etc. and does not have elastic extension, inner face place in the waistline edge of opening portion in each forward and backward waistline zone of blanketing body connects, both sides, lumbar region, front and back be can not folding pressing.

Though the diaper that provides the lumbar region to have better elastic performance in the documents, before and after the lumbar region be can not folding joint, allow user when wearing, feel inconvenience.Therefore need a kind ofly have rational elasticity distribution and disposable adsorption object opening and closing type in the waistline zone.

Summary of the invention

Main purpose of the present utility model is to overcome the shortcoming of prior art, and a kind of disposable adsorption object that has the opening and closing type of rational elasticity distribution in the waistline zone is provided.

This utility model adopts following technical scheme: a kind of disposable adsorption object, it comprises the liquid permeability surface layer, the liquid-tight bottom, and be arranged at absorbent cores between liquid permeability surface layer and the opaque liquid bottom, this absorbent item essence is elongate shape, has the first waistline zone, crotch region and the second waistline zone along its length direction; One first elastic waistline assembly, this first elastic waistline assembly is bonded on the surface material in the first waistline zone or the primer or between surface material and the primer, the length direction of the first elastic waistline assembly is vertical with the length direction of disposable adsorption object, the first elastic waistline length component is longer and extend 5-20cm from two vertical sides of absorbent item than the width of absorbent item, and the described first elastic waistline assembly mainly is made of elastomeric material; The both ends of the first elastic waistline length component direction are provided with securing member, and described securing member makes the first elastic waistline assembly releasably engage with another waistline zone.A part of overlaid of one end of the part of the described first elastic waistline assembly and absorbent cores.The eclipsed at least a portion of described elastomeric material and absorbent cores is cut off.Described another waistline zone is provided with the frontal waist plaster of band fiber, and this frontal waist plaster can releasably engage with the securing member on the first elastic waistline assembly.

The disposable adsorption object that provides according to this utility model, have elastic waistline and elastic side panels, securing member is releasable joint, and the waistline zone has elastic-restoring force relatively uniformly, can improve fit and the minimizing skin owing to the excessive baby of injury of local pressure.

Description of drawings

Fig. 1 is the expansion plane graph that the surface layer of disposable adsorption object of the present invention makes progress;

Fig. 2 is the cutaway view of the A-A direction of Fig. 1;

Fig. 3 is the cutaway view of the B-B direction of Fig. 1;

Fig. 4 is for cuing open the sketch map behind leakproof edge material and the surface material from Fig. 1;

Fig. 5 is the exploded perspective view of the parts of disposable adsorption object of the present invention;

Fig. 6 is the side view of disposable adsorption object of the present invention, and fixed system shown in it connects in a side, and does not connect at opposite side;

Fig. 7 is the expansion plane graph that the surface layer of another embodiment of the present invention makes progress.

In the drawings, 1 is disposable adsorption object, 2 is the liquid permeability surface material, 3 is the opaque liquid primer, 31 is the breathable film material, 32 is non-woven fabric material, and 4 is absorbent cores, and 5 is the first elastic waistline assembly, 51 the securing members at both ends for the waistline length component direction that is arranged at the waistline zone, 55 is the cut part of elastic waistline material, and 6 is frontal waist plaster, and 7 enclose assembly for elastic leg, 8 are leakproof edge assembly, 12 is the vertical side of the edge of disposable adsorption object, and 13 is the transverse side edges of disposable adsorption object, and L is the distance of waistline assembly from the vertical side of the edge extension of disposable adsorption object.

The specific embodiment

As used herein, term " absorbent item " is meant the device that absorbs and hold bodily exudate, more particularly is meant to be close to or to place to absorb and to hold the various excremental device of being discharged by health near wearer's body.As used herein, term " disposable " be meant do not plan to wash or restore or the absorbent item that re-uses as absorbent item (promptly, their designs abandon after disposable use, preferably handle with its recycling, compost treatment or in the mode of other and environmentally compatible).

As used herein, term " joint " comprises by element directly being attached on other element and element directly is fixed to configuration on another element, also comprise by element is attached to intermediary element, intermediary element is attached on another element then, thereby element is fixed to configuration on another element indirectly.

" permanent adhesive ", " permanent engagement " refer to two elements of a moisture absorption clothes combination, bonding, connect, adhere to etc., so that these elements tend to bonding under the normal condition of using of moisture absorption clothes and can keep bonding.

" releasable joint ", " releasable connection " and various variation thereof refer to that two elements are connected or can be connected to each other, so that these elements do not tend to keep connecting when having separating force to put on one of them or two elements, these elements can be separated and do not have permanent deformation or break, and separates two required separating forces of element and surpass the power that runs into when dressing this absorbent item usually.

As used herein, term " ductile " and " stretchable " are meant that can extend to a certain degree and not can disruptive material at least one direction.Term " elasticity ", " but elasticity extend " and " but elastic stretching " are meant extensible material.After the power of the described extensible material that stretches was removed, described extensible material had the ability that returns back to its original dimension substantially.Except as otherwise noted, as described herein, but but be described to ductile or stretchable any material or element and also can be that elasticity extends or elastic stretching.

Term " liquid is permeable " and " liquid non-permeate " are meant the penetrance of the material in the scope that disposable adsorption object plans to use.Specifically, term " liquid is permeable " be meant have the hole, the layer or the layer structure of the void space of opening and/or interconnection, described layer and/or layer structure allow liquid (for example water) to enter or see through its thickness under typical service condition (for example, not needing to apply remarkable or non-representative pressurization).On the contrary, term " liquid non-permeate " is meant a kind of layer or layer structure, and liquid (for example water) can not see through the thickness of described layer or layer structure under the situation of not pressurization (for example, in typical service condition).According to this definition, the layer or the layer structure of liquid non-permeate can see through liquid vapour,, can be " vapor permeable " that is.As known in the art, a kind of to be used to measure the material that typically is used for absorbent item be hydrostatic test to the infiltrative common method of water, is also referred to as the hydrostatic head test or abbreviates " head " test as.

" elastic ", " elasticized " and " elasticity " refers to the performance of a kind of material or chemical compound, can elongate at least 25% of its relaxed length after it is applied certain pulling force, utilize this performance can after the power that causes being out of shape is removed, tend to recover its original size and shape.

" elastic stretching than " is the length of (length the when length-elastomeric material after elastomeric material is stretched is lax)/when elastomeric material is lax.

Embodiment 1

Shown in Fig. 1-4, disposable adsorption object 1 provided by the invention, it comprises liquid permeability surface layer 2, liquid-tight bottom 3, and be arranged at absorbent cores 4 between liquid permeability surface layer 2 and the opaque liquid bottom 3, this absorber articles for use 1 essence is elongate shape, has the first waistline zone, crotch region and the second waistline zone along its length direction; One first elasticity is enclosed assembly 5, this first elastic waistline assembly 5 is bonded on the surface material or primer in the first waistline zone, the length direction of the first elastic waistline assembly 5 is vertical with the length direction of disposable adsorption object 1, the length of the first elastic waistline assembly 5 is longer than the width of absorbent item, as shown in Figure 1, 2, the first elastic waistline assembly 5 extends certain-length L from two vertical sides 12 of absorbent item 1, and L is 5-20cm.As shown in Figure 4, a part of overlaid of an end of the part of the described first elastic waistline assembly 5 and absorbent cores 4, described elastic waistline assembly mainly is made of elastomeric material; Securing member 51 is arranged at the both ends of the length direction of the first elastic waistline assembly 5, and above-mentioned securing member makes the first elastic waistline assembly paste with the waist of another lumbar region and releasably engages.

Liquid permeability surface material 2 is submissive, soft feel, and to wearer's skin nonirritant.And it is permeable that liquid permeability surface material 2 should be liquid, thereby make liquid (for example urine) facilitate penetration of its thickness.The liquid permeability surface material 2 that is suitable for can be made of a variety of materials, for example porous foam, reticulated foams, apertured plastic films or natural fiber are (for example, the wood fiber or cotton fiber), synthetic fibers (for example, poly-vinegar fiber or polypropylene fiber) or natural fiber and weaving or non-woven webs that synthetic fibers make up.

Liquid-tight primer 3 be arranged on usually disposable adsorption object 1 contiguous absorbent cores 4 on the surface of clothes.Liquid-tight primer 3 can prevent the articles for use of the dirty possibility of the exudate touching diaper that absorbent item absorbs and holds, for example sheet and underwear.In some embodiments, liquid-tight bottom 3 basic impermeable liquid (for example urine), the opaque liquid primer also can be made up of the layer more than one deck, wherein liquid-tight bottom 3(usually is called egative film) skin can make by softish non-woven material 32, and the egative film internal layer can be made by impermeable substantially thin film 31, and for example thickness is the thermoplasticity breathable films of about 0.012mm to about 0.051mm.Can use binding agent or any other suitable material or method that each layer is bonded together.Other stock footage that is fit to can comprise that allowing water vapour to overflow from disposable adsorption object 1 prevents also that simultaneously exudate from seeing through the gas permeable material of liquid-tight bottom 3.Exemplary breathable materials can comprise material such as woven web, non-woven webs, such as the composite of the non-woven webs that coats rete.Although this paper has imagined multiple backsheet configurations, it will be apparent to those skilled in the art that and to make various other variations and modification.

Absorbent cores 4 can be any absorption piece, and it is compressible, non-stimulated to wearer's skin that described parts are generally, and can absorb and liquid hold-up such as urine and some other body exudates.Absorbent cores 4 can be made into all size and shape (for example, rectangle, hourglass shape, " T " type, asymmetrical type etc.) and be made by the various liquid absorption materials that are generally used for disposable diaper and other absorbent item pulverizing wood pulp of airfelt (as be commonly referred to).The embodiment of the absorbing material that other is suitable comprises to the plain filler of yarn fiber; Meltblown polymer comprises coforming, cross-linked cellulosic; Thin paper comprises thin paper and non-woven packaging material and thin paper and nonwoven laminate body; Absorbing foams; Absorb sponge; Super-absorbent polymer; Absorbent gelling material; Or the combination of any equivalent material or material.The configuration of absorbent cores and structure can change also that (for example, absorbent cores can have the caliper zones, hydrophilic gradient, super absorption gradient of variation or than low average density with than the acquisition zone of low average basis weight; Maybe can comprise one or more layers or structure).Yet total absorptive capacity of absorbent cores 4 should be consistent with the design load and the application target of disposable adsorption object 1.In addition, the size of absorbent cores 4 and absorptive capacity also can change to adapt to the wearer in the scope from the baby to the adult.

As previously mentioned, one first elastic waistline assembly 5 for good and all is bonded on the surface material or primer in the first waistline zone, the length direction of the first elastic waistline assembly 5 is vertical with the length direction of disposable adsorption object 1, the length of the first elastic waistline assembly 5 is longer than the width of absorbent item 1, and extend 5-20cm from two vertical sides 12 of absorbent item 1, be preferably 10-15cm.Described waistline assembly 5 mainly is made of elastomeric material; At least one securing member 51 is arranged on the waistline length component direction both ends, and above-mentioned securing member makes the waistline assembly releasably engage with another waistline zone.The elastic contractile force of other parts of the elastomeric material of the elastic shrinkage force rate waistline assembly of the elastomeric material of described waistline assembly and absorbent cores lap is little.

The form that the waistline assembly can multiplely be known provides, and these forms include but not limited to fiber, scrim, crossover network cables, foam or its combination of thin film, perforated film, belt, strand, independentization.In particularly suitable embodiment, the waistline assembly is a plane institution movement, and the two layers of nonwoven therebetween is established elastic film, gum elastic, elastic foam or other lamellar elastic construction form, and wherein the length of member and width are than the big many orders of magnitude of thickness.The first elastic waistline assembly is to be bonded on the surface material or primer in the first waistline zone under the elongation state of 1.5-3.5 with the draw ratio, and draw ratio is preferably 2.3-3.3.

The waistline assembly can engage by any adhering technique known in the art, and for example bonding by binding agent, heat bonding, pressure binding, ultrasound wave are bonding, mechanical connection or their combination.

The part of described waistline assembly can with a part of overlaid of an end of absorbent cores, can be not overlapping yet.Owing to exist the zone of absorbent cores thicker usually, in absorbent cores and the overlapping place of waistline assembly, because the effect of elastic waistline material is more stiff usually at the core of overlapping region.In the present invention, for make at the core of the position that the elastic waistline assembly overlaps with absorbent cores can be not stiff, end position in absorbent cores does not have to be provided with along the flexible elastic component of waistline length component direction, as shown in Figure 4, the waistline assembly is presented down " recessed " type partly excising with the absorbent cores overlapping areas, core can be not stiff like this, and the waistline assembly can not be difficult to stretch because of the core cause yet.

Another waistline zone relative with the waistline assembly also can be provided with frontal waist plaster 6, and frontal waist plaster 6 is bonded on the opaque liquid primer.The frontal waist plaster material is generally composite nonwoven material on polyethylene, the polypropylene screen, makes its surface have the fiber of erecting or circularizes fiber.

Securing member has and the bonded machanical fastener of the non-woven material of frontal waist plaster, can adopt the hook-type mechanical fixed part, hook fastener elements generally includes a kind of fabric or material with basis and supporting construction, one group of at least one surperficial upwardly extending hook spare from this supporting construction.Contrast with the annular fixing member that requires to have a kind of flexible fabric, the advantage of hook material is to have a kind of unconscious displacement that can reduce the fixture that causes owing to hook material deformation and hold clothes or other articles for use.Suitable hook material can be made by nylon, polypropylene or another kind of suitable material mold pressing or extruding.Securing member can be engaged on the inboard or the outside that places waistline assembly both ends by any method known to a person of ordinary skill in the art, and example knows that binding agent is bonding, ultrasound wave is bonding or heat bonding.

Embodiment 2

As shown in Figure 7, disposable adsorption object 1, it has the liquid permeability of comprising surface layer 2, liquid-tight bottom 3, and be arranged at absorbent cores 4 between liquid permeability surface layer 2 and the opaque liquid bottom 3, this absorber articles for use 1 essence is elongate shape, has the first waistline zone, crotch region and the second waistline zone along its length direction; One first elastic waistline assembly 5, it mainly is made of elastomeric material, this first elastic waistline assembly 5 is between the surface material and primer that is bonded under the elongation state of 2.3-3.3 in the first waistline zone with the draw ratio, the length direction of waistline assembly 5 is vertical with the length direction of disposable adsorption object, waistline assembly 5 length are longer than the width of absorbent item, waistline assembly 5 extends certain-length L from two vertical sides 12 of absorbent item, and L is 10cm.Described waistline assembly 5 has overlapping region 56 with absorbent cores 4, solidifies after at least a portion of the elastomeric element of overlapping region 56 is melted again, and can reduce the elasticity of waistline assembly and absorbent cores overlapping region, the deformation of reduction absorbent cores.Securing member 51 is arranged on the both sides of waistline assembly 5, and securing member 51 is can unclamp engaging with frontal waist plaster of mode.

According to a kind of disposable adsorption object provided by the invention, it comprises the liquid permeability surface layer, the liquid-tight bottom, and be arranged at absorbent cores between liquid permeability surface layer and the opaque liquid bottom, this absorbent item essence is elongate shape, has the first waistline zone, crotch region and the second waistline zone along its length direction; One first elastic waistline assembly, this first elastic waistline assembly is bonded on the surface material in the first waistline zone or the primer or between surface material and the primer, the length direction of the first elastic waistline assembly is vertical with the length direction of disposable adsorption object, the first elastic waistline length component is longer and extend 5-20cm from two vertical sides of absorbent item than the width of absorbent item, and the described first elastic waistline assembly mainly is made of elastomeric material; The first elastic waistline length component direction both ends are provided with securing member, and described securing member makes the first elastic waistline assembly releasably engage with another waistline zone.A part of overlaid of one end of the part of the described first elastic waistline assembly and absorbent cores.The eclipsed at least a portion of described elastomeric material and absorbent cores is cut off or elastomeric material and the eclipsed at least a portion of absorbent cores are cured after being melted again.Described another waistline zone is provided with the frontal waist plaster of band fiber, and this frontal waist plaster can releasably engage with the securing member on the first elastic waistline assembly.Though specific embodiments of the invention have been described,, scope of the present invention is not limited to above-mentioned specific embodiment, but various modification, variation and replacement under not breaking away from spirit of the present invention still fall in the protection domain of the present utility model.

Claims (10)

1. disposable adsorption object, it comprises the liquid permeability surface layer, the liquid-tight bottom, and be arranged at absorbent cores between liquid permeability surface layer and the opaque liquid bottom, this absorbent item essence is elongate shape, has the first waistline zone, crotch region and the second waistline zone along its length direction; One first elastic waistline assembly, this first elastic waistline assembly is bonded on the surface material in the first waistline zone or the primer or between surface material and the primer, the length direction of the first elastic waistline assembly is vertical with the length direction of disposable adsorption object, it is characterized in that the first elastic waistline length component is longer and extend 5-20cm from two vertical sides of absorbent item than the width of absorbent item, the described first elastic waistline assembly mainly is made of elastomeric material; The first elastic waistline length component direction both ends are provided with securing member, and described securing member makes the first elastic waistline assembly releasably engage with another waistline zone.

2. disposable adsorption object as claimed in claim 1 is characterized in that the length that the first elastic waistline assembly extends 10-15cm from two vertical sides of absorbent item.

3. disposable adsorption object as claimed in claim 1 is characterized in that a part of overlaid of an end of the part of the described first elastic waistline assembly and absorbent cores.

4. disposable adsorption object as claimed in claim 3 is characterized in that the eclipsed at least a portion of described elastomeric material and absorbent cores is cut off.

5. disposable adsorption object as claimed in claim 4 is characterized in that described elastomeric material is cut off at least a portion with the absorbent cores lap and presents " recessed " shape of handstand.

6. disposable adsorption object as claimed in claim 3 is characterized in that the eclipsed at least a portion of described elastomeric material and absorbent cores, is cured after being melted again.

7. disposable adsorption object as claimed in claim 1 is characterized in that the one side of the securing member on the first elastic waistline assembly has the member of hook.

8. disposable adsorption object as claimed in claim 1 is characterized in that described another waistline zone is provided with the frontal waist plaster of band fiber, and this frontal waist plaster can releasably engage with the securing member on the first elastic waistline assembly.

9. disposable adsorption object as claimed in claim 1, the draw ratio that it is characterized in that described elastomeric material is 1.5-3.5.

10. disposable adsorption object as claimed in claim 1 is characterized in that the first elastic waistline assembly is to be bonded under the elongation state of 2.3-3.3 on the surface material in the first waistline zone or the primer or between surface material and the primer with the draw ratio.

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