CN203029490U - Disposable diaper - Google Patents
Disposable diaper Download PDFInfo
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- CN203029490U CN203029490U CN 201220330286 CN201220330286U CN203029490U CN 203029490 U CN203029490 U CN 203029490U CN 201220330286 CN201220330286 CN 201220330286 CN 201220330286 U CN201220330286 U CN 201220330286U CN 203029490 U CN203029490 U CN 203029490U
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Abstract
The utility model provides a disposable diaper comprising an absorbency main body (2) and a side piece (3) of an absorber. The side piece (3) is provided with two sheets (31, 32) and multiple flexible assemblies (33) fixed under an elongate state along the width direction of the diaper between the two sheets. A fixedly-connected component (4) is arranged on the front end side. Multiple adhesive bonding areas with adhesives continuously configured along the length direction of the diaper are arranged between the two sheets (31, 32) of the side piece (3). The adhesive bonding areas comprise adhesive bonding areas (35, 36) for fixing end portions of the flexible assemblies (33) or a main body side or a front end side nearby the flexible assemblies, and one or more non-adhesive-bonding areas (38, 38) not provided with adhesives arranged in a middle area (37) clamped between the two adhesive bonding areas (35, 36). Widths of the adhesive bonding areas (35, 36) on the main body side or the front end side are different.
Description
Technical field
This utility model relates to disposable diaper.
Background technology
The disposable diaper that a kind of deploying type is arranged at present, part in comprising the absorbent main body of absorber, be disposed at the dorsal part of wearer when dressing is installed along the lateral plate (with reference to TOHKEMY 2010-22550 communique and TOHKEMY 2010-22588 communique) of the flexible retractility of the width of this absorbent main body.This disposable diaper, its lateral plate can utilize other technology manufacturing different with absorbent main body earlier, then it is attached to absorbent main body manufacturing, so, can suppress the garbage for use amount and this material production of the material of lateral plate, have superiority aspect environmental protection and the cost.
In addition, in TOHKEMY 2010-22550 communique and TOHKEMY 2010-22588 communique, record: as lateral plate (affixed band), between two sheet materials, form according to the mode of extending along the width of diaper respectively a plurality of elastomeric elements that are adhesively fixed.
In addition, in TOHKEMY 2010-22588 communique, also record: when utilizing bonding agent elastomeric element to be fixed between its two sheet materials of clamping, as the coating figure of bonding agent, adopt by the enough vertical stripe shape figure that forms of big bonding line-group in enough thin and intervals.
Summary of the invention
This utility model is a kind of disposable diaper, possesses: comprise the absorbent main body of absorber and be installed on the sidepiece of a side of this absorbent main body or the lateral plate of the sidepiece of both sides, described lateral plate has: two sheet materials; With at a plurality of elastomeric elements that under the state of diaper width elongation, are fixed between described two sheet materials, be provided with this lateral plate is fixed in the affixed parts at other position at the leading section of this lateral plate, described lateral plate has bonding agent along a plurality of bonding regions that the diaper length direction disposes continuously between described two sheet materials, comprise as this bonding region: the end of the described absorbent main body side of fixing described elastomeric element or near the main body side bonding region it; And fix the end of front of described lateral plate of this elastomeric element or near the front bonding region it, at the zone line that is sandwiched between this main body side bonding region and this front bonding region, have the not one or more non-bonding region of placement of adhesives, described main body side bonding region is different with the width of described front bonding region.
Description of drawings
Fig. 1 is the expansion plane graph of the disposable diaper of conduct first embodiment of the present utility model seen from the face sheet side.
Fig. 2 is the axonometric chart of the wearing state of expression disposable diaper shown in Figure 1.
Fig. 3 is the lateral plate of expression disposable diaper shown in Figure 1 and near amplification view thereof.
Fig. 4 is that IV-IV line of Fig. 3 cuts off end surface figure.
Fig. 5 be expression in second embodiment of the present utility model lateral plate and near amplification view (being equivalent to Fig. 3),
Fig. 6 is that the VI-VI line of Fig. 5 cuts off end surface figure.
Fig. 7 is the expansion plane graph of expression other embodiment of the present utility model.
Fig. 8 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
Fig. 9 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
Figure 10 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
Figure 11 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
Figure 12 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
Figure 13 is the amplification view of the lateral plate in expression other embodiment of the present utility model.
The specific embodiment
But, in TOHKEMY 2010-22550 communique, when elastomeric element being fixed between its two sheet materials of clamping, the length direction that spreads all over elastomeric element, be fixed by the bonding agent according to same figure coating, therefore, resulting side panel material increases because of the hardness of bonding agent integral body, when putting on diaper and the retractility variation in the diaper wearing process, ductility reduces.
In addition, when being fixed on elastomeric element between its two sheet materials of clamping by bonding agent, coating figure as bonding agent, as putting down in writing in the TOHKEMY 2010-22588 communique, employing is by enough thin and enough vertical stripe shape figures of forming of big bonding line-group at interval, elastomeric element is spreaded all under the fixing situation of total length according to above-mentioned figure, when sheet material is elongated, be easy to generate the phenomenon that what is called that the end of elastomeric element comes off is come unglued from the bonding part of fixing this end.In addition, if enlarge the width of the striped of vertical stripe shape figure, so, coming unglued is difficult to take place, but the interfringe area decreases that can flexibly stretch is sacrificed retractility and ductility, fit etc. easily.
This utility model relates to a kind of disposable diaper that can eliminate the shortcoming of aforementioned prior art existence.
This utility model is a kind of disposable diaper, possesses: comprise the absorbent main body of absorber and be installed on the sidepiece of a side of this absorbent main body or the lateral plate of the sidepiece of both sides, described lateral plate has: two sheet materials; With at a plurality of elastomeric elements that under the state of diaper width elongation, are fixed between described two sheet materials, be provided with this lateral plate is fixed in the affixed parts at other position at the leading section of this lateral plate, described lateral plate has bonding agent along a plurality of bonding regions that the diaper length direction disposes continuously between described two sheet materials, comprise as this bonding region: the end of the described absorbent main body side of fixing described elastomeric element or near the main body side bonding region it; And fix the end of front of described lateral plate of this elastomeric element or near the front bonding region it, at the zone line that is sandwiched between this main body side bonding region and this front bonding region, have the not one or more non-bonding region of placement of adhesives, described main body side bonding region is different with the width of described front bonding region.
Disposable diaper of the present utility model can prevent that the what is called in the lateral plate from coming unglued, and can guarantee that lateral plate has sufficient retractility, and fit and the wearing feeling of enclosing for waistline and lower limb are good.
Below, according to its preferred forms, simultaneously with reference to description of drawings this utility model.
Be also referred to as diaper 1 below the disposable diaper 1(of first embodiment of the present utility model) as shown in Figure 1, possess: the absorbent main body 2 that comprises absorber 23; Lateral plate 3,3 with the both sides that are installed on this absorbent main body 2.
Absorbent main body 2 has the shape of lengthwise as shown in Figure 1, comprising: be positioned at the A of veutro portion of the veutro of wearer, the drosal part B of dorsal part that is positioned at wearer and the crotch bottom C that is positioned at crotch portion during wearing.Absorbent main body 2 is oblong-shaped being under the state of plane expansion as shown in Figure 1. Lateral plate 3,3 is installed on the both sides of the absorbent main body 2 of drosal part B according to the mode of giving prominence to foreign side from the both side edges portion of absorbent main body 2 respectively.
The length direction of disposable diaper 1 is the Y-direction among the figure, is the direction identical with the length direction of absorbent main body.The width of disposable diaper 1 is the directions X among the figure, is the direction identical with the width of absorbent main body 2.In the following description, also the length direction of diaper or the direction corresponding with the diaper length direction of the component parts of this diaper only are called Y-direction, the width of diaper or the direction corresponding with the diaper width of the component parts of this diaper only are called directions X.
Absorbent main body 2 has as shown in Figure 1: the absorber 23 of the back-sheet 22 of face sheet 21, opaque liquid or the water proofing property of liquid permeability and the liquid retainability between these two sheet materials 21,22.In addition, set up along the stereo enclosure of this length direction in the both sides of the length direction of absorbent main body 2 and form with sheet material 24,24.Stereo enclosure forms with sheet material 24 in the both sides of the length direction of absorbent main body 2, the back-sheet 22 that is fixed in face sheet 21 and extends out from the lateral margin of this face sheet.Each stereo enclosure forms near the ora terminalis of using sheet material 24 square side in the width (directions X) of absorbent main body 2, has the elastomeric element 25 that forms usefulness along the stereo enclosure of this ora terminalis, when dressing, utilize the contractility of this elastomeric element 25, leave face sheet 21 and form stereo enclosure apart from the part of the Rack of this ora terminalis.In addition, the part of enclosing of the lower limb in the length direction both sides that are disposed at absorbent main body 2 arranges the elastomeric element 26 that leg creases forms usefulness.
In the lateral plate 3 of first embodiment, as this bonding region, have as shown in Figure 3: main body side bonding region 35, front bonding region 36 and a plurality of middle bonding region 37.Main body side bonding region 35 is arranged at absorbent main body 2 sides of the bearing of trend of lateral plate 3, and fixes near the end of absorbent main body 2 sides of each elastomeric element 33 or its.Front bonding region 36 is arranged at the front end 3c side of the bearing of trend of lateral plate 3, and near the end of the front end 3c side of the lateral plate 3 of secures resilient member 33 or its.Middle bonding region 37 is provided with a plurality of in the zone line 30 in the main body side bonding region 35 of the bearing of trend of lateral plate 3 and the zone between the front bonding region 36.The width of middle bonding region 37 than aforesaid two bonding regions 35,36 any is all little, in zone line 30, intermittently form a plurality of.On the bearing of trend of lateral plate 3, between main body side bonding region 35 and the middle bonding region 37 that is adjacent, the middle bonding region 37 of adjacency is respectively equipped with the not non-bonding region 38 of placement of adhesives 34 each other and between front bonding region 36 and the middle bonding region 37 that is adjacent.In the diaper 1 of present embodiment, the bearing of trend of lateral plate 3 is consistent with the diaper width.
Main body side bonding region 35, front bonding region 36 and middle bonding region 37 all intersect with the elastomeric element 33 of a plurality of (more preferably more than 3) that extend at directions X and extend along diaper length direction (Y-direction).Main body side bonding region 35, front bonding region 36 and middle bonding region 37 be preferred intersect with all elastomeric elements 33 that extend at directions X and along diaper length direction (Y-direction) extension all, more preferably spreads all over the length range between last lower limb 3a, the 3b of lateral plate 3.Spend with the angle of the bonding region that extends in Y-direction preferred 30～150 at the elastomeric element that directions X extends, more preferably the angles of approximate vertical.
Be through wearer on one's body the time at the disposable diaper 1 with first embodiment, with pulling pull stap 4, make under the state of lateral plate 3 elongations, bonding land 5 is pressed and be fixed in the Fixed Division 41 of this pull stap 4.
According to the lateral plate 3 in first embodiment, the main body side bonding region 35 that has wider width in absorbent main body 2 sides, therefore, elastomeric element 33 can be securely fixed in the main body side bonding region 35, be difficult for taking place to come unglued from the what is called of main body side bonding region 35.In addition, have the main body side bonding region 35 of wide cut (width is big), thus, except the intensity enhancing of main body side bonding region 35 sides of lateral plate 3, outside the product integral intensity improves, when dressing, also can prevent lateral plate 3 breakages.
In addition, make the width of front bonding region 36 less relatively, therefore, can fully guarantee the width of zone line 30.Because a part or its integral body of zone line 30 are formed by non-bonding region 38, therefore, compare with main body side bonding region 35 and front bonding region 36, the zone line softness, also flexible easily in addition.Therefore, lateral plate 3 is according to distortion neatly easily such as the increase and decrease of the waistline of wearer and the action of lower limb, and the diaper 1 of present embodiment is also fine aspect the fit that encloses for waistline and lower limb and wearing feeling (prevent from tying tight, elastomer is left a trace at health etc.).
In addition, main body side bonding region 35 is wideer than front bonding region 36, and thus, when dressing diaper 1, the position of zone line 30 is positioned at the position of slightly close veutro easily at the sidepiece of wearer.Therefore, the pull stap 4 that will be attached to the leading section of lateral plate 3 easily is fixed in bonding land 5.In addition, if make it affixed easily, so, just dress making under the more fit state of diaper 1, prevent that urine and feces from spilling from diaper 1.
In addition, in the zone line 30 in the disposable diaper 1 of first embodiment, middle bonding region 37 and the bonding region of adjacency between non-bonding region 38 be set and form, under the naturalness of diaper 1, contraction according to elastomeric element 33, two sheet materials 31,32 in the non-bonding region 38 form according to a plurality of pleats (not shown) that extend across the mode of a plurality of elastomeric elements 33 on the two sides of lateral plate 3 respectively to the direction bulging of leaving elastomeric element 33.This pleat also not exclusively disappears under the wearing state of diaper.Therefore, in the lateral plate 3 because of the bonding region 35,36,37 of bonding agent hardening, particularly in the middle of bonding region 37 be difficult for the skin of contact wearers, be difficult to produce sense of discomfort.Therefore, the diaper 1 according to present embodiment can obtain better wearing feeling.
Quantitative (the basis weight) that is disposed at the bonding agent in main body side bonding region 35 and front bonding region 36 each zones be quantitatively big than the bonding agent in the bonding region 37 in the middle of being disposed at preferably.Can enumerate as the quantitative diverse ways that makes bonding agent: (1) from the amount of the per unit area of the bonding agent of adhesive applicating machine ejection at each regional diverse ways; (2) for main body side bonding region 35 and front bonding region 36, on sheet material 31 or sheet material 32, repeatedly repeat adhesive-applying, and for middle bonding region 37, on same sheet material, only apply the method for a bonding agent; (3) for main body side bonding region 35 and front bonding region 36, at sheet material 31 and sheet material 32 adhesive-applying on both, the mode that overlaps each other according to bonding agent is bonded together two sheet materials 31,32, and in middle bonding region 37, adhesive-applying on sheet material therein only is then with two sheet materials 31,32 methods that are bonded together; (4) make up above-mentioned two or more method etc.In the method for aforementioned (2), in primary coating and secondary coating, the coating figure both can be identical, also can be different.
In addition, coating figure for bonding agent, the adhesive applicating machine uses coating rifle and spray gun (spray gun) etc., preferred so-called comprehensive coating, but, the adhesive applicating machine also can use NORDSON(Co., Ltd.) SUMMIT, SIGNATURE and the OMEGA of (Co., Ltd.) ITW DYNATECH etc., the figure coating of march line graph etc.In addition, as previously mentioned, also can after applying, carry out the figure coating with this coating comprehensively with overlapping.In addition, also can carry out so-called comprehensive coating by a sheet material in two, carry out aforesaid figure coating at another sheet material.
For the elastomeric element 33 that is disposed at lateral plate 3, from the flexibility that improves zone line 30 and the viewpoint of guaranteeing retractility, its width (size of Y-direction) and the preferred 0.1～5mm of diameter, more preferably 0.1～1mm.In addition, be disposed at preferred about 4～30 of the number of the elastomeric element 33 of lateral plate 3, more preferably 6～20.
From obtaining the viewpoint of the effect more than above-mentioned one or two more effectively, the width W 5 of main body side bonding region 35 and the width W of front bonding region 36 6 are respectively more than the preferred 3mm, more preferably more than the 5mm.
In addition, the width W 5 of main body side bonding region 35 and the ratio (W5/W6) of the width W 6 of front bonding region 36 are preferred 1.1～3.0, and more preferably 1.5～2.5.
In addition, the width W 5 of main body side bonding region 35 is preferably 3.3～30% with respect to the ratio (percentage rate) of the total width (W5+W6+W30) of main body side bonding region 35, front bonding region 36 and zone line 30, more preferably 5.5～30%, the width W 6 of front bonding region 36 is preferably 3～10% with respect to the ratio (percentage rate) of this overall width (W5+W6+W30), and more preferably 5～10%.In addition, the difference of the aforementioned ratio (percentage rate) of the aforementioned ratio (percentage rate) of the width W 5 of main body side bonding region 35 and the width W 6 of front bonding region 36 is preferably 0.3～27%, and more preferably 0.5～25%.
In addition, from guaranteeing the viewpoint of the elongated region of lateral plate 3 more, the total width (W5+W6) of main body side bonding region 35 and front bonding region 36 is preferably below 1/2 of width W 30 of zone line 30, more preferably more than 1/5～and below 1/4.
In addition, the total length L3(of the Y-direction of lateral plate 3 is with reference to Fig. 1) the total length L(of the Y-direction of preferred diaper 1 is with reference to Fig. 1) 10～30%, be preferably 15～25% especially.
In addition, the overall with W3(of lateral plate 3 is with reference to Fig. 1, the size of the non-woven fabrics that lateral plate is used) the overall with W(of absorbent main body 2 among the preferred drosal part B is with reference to Fig. 1) 30～70%, be preferably 35～60% especially.
The width W 7 that is formed at the middle bonding region 37 of zone line 30 be preferably than the width W 6 of the width W 5 of main body side bonding region 35 and front bonding region 36 any is all narrow.In addition, from the flexibility of raising zone line 30 and the viewpoint of retractility, the width W 7 of middle bonding region 37 is preferably below the 6mm, more preferably 0.1～3mm.In addition, the width W of middle bonding region 37 7 is preferably below 50% with the ratio (percentage rate) of aforementioned width W 5 and aforementioned width W 6, and more preferably 5～30%.
In addition, the width W 8 of middle bonding region 37 non-bonding region 28 each other is preferably 3～15 times, more preferably 5～10 times with the ratio (W8/W7) of the width W 7 of middle bonding region 37.The number that is arranged at the middle bonding region 37 on the lateral plate 3 is preferably a plurality of, more preferably 3～15, especially is preferably 5～10.
For the size of these various pieces etc., make elongation such as elastomeric element 33 elastomeric elements such as grade, lateral plate is launched to measure under the state that becomes design size (getting rid of under the state of influence of all elastomeric elements, when becoming plane expansion measure-alike).
In addition, it is stacked that the part of the CL of the diaper Central Line side of the main body side bonding region 35 of lateral plate 3 and stereo enclosure as the component parts of absorbent main body 2 form with sheet material 24 and back-sheet 22, and its laminated portions is separately fixed at stereo enclosure by bonding agent 61,62 and forms with sheet material 24 and back-sheet 22.
Like this, the part of the main body side bonding region 35 by making lateral plate 3 (also can be whole) engages with the component parts of absorbent main body 2, the component parts that can prevent lateral plate 3 and absorbent main body 2 more effectively damages, and lateral plate 3 is from situations such as absorbent main body 2 come off.The width W 51(of the directions X at the main body side bonding region 35 of the lateral plate 3 and junction surface that engage stacked with the component parts of absorbent main body 2 is with reference to Fig. 3) be preferably more than the 2mm, more preferably more than the 5mm.In addition, aforementioned width W 51 is preferably more than 15% of width W 5 of main body side bonding region 35, and more preferably 40～100%.Be used for lateral plate 3 and the component parts of absorbent main body 2 the bonding agent that engages 61,62 and main body side bonding region 35 preferably overlapping as shown in Figure 4, in fact continuous on the diaper width.
In addition, in the present embodiment, as shown in Figures 3 and 4, the part that is formed by sheet substrate 42 in the pull stap 4 is stacked with the part of the front bonding region 36 of lateral plate 3, in this laminated portions, be fixed on the sheet material 32 of the single face that constitutes front bonding region 36 with bonding agent 63.
Like this, pull stap (affixed parts) 4 is fixed on the part of front bonding region 36, can prevent more effectively that thus pull stap (affixed parts) 4 and lateral plate 3 from damaging, and pull stap 4 is from situations such as lateral plate 3 come off.
In addition, in the lateral plate 3 in the diaper 1 of present embodiment, elastomeric element 33 also is separately fixed under elongation state in main body side bonding region 35 and the front bonding region 36.
In TOHKEMY 2010-22550 communique, the elastomeric element in the part of the Fixed Division of the main part that is fixed on diaper in the lateral plate is being fixed under the non-elongation state between its two sheet materials of clamping, but, like this, end for secures resilient member under non-elongation state, need complicated technology, cause the cost up of manufacturing equipment and maintenance to bear increase etc.
In contrast, diaper 1 as present embodiment, if elastomeric element 33 also is separately fixed at main body side bonding region 35 and front bonding region 36 under elongation state, so, in its manufacturing process, in zone line 30, main body side bonding region 35 and front bonding region 36, need not to make the state difference of the elastomeric element 33 that is fixed between the sheet material 31,32, therefore, the complicated of manufacturing process and manufacturing equipment can be prevented, the maintenance burden of equipment can also be alleviated.
Constituent material to diaper 1 describes.
As the sheet material 31,32 that constitutes lateral plate 3, the tape base material 42 of pull stap 4, can use the various sheet materials that are used for absorbent commodities such as disposable diaper, physiological napkin at present, not special restriction.
For example, as sheet material 31,32, sheet substrate 42, can use non-woven fabrics, fabric, thin film or their laminated sheet etc.
As the face sheet 21, back-sheet 22, the absorbent main body 23 that constitute absorbent main body 2, can use the present material that is used for absorbent commodities such as disposable diaper, physiological napkin etc. respectively, not special restriction.For example, as face sheet 21, the non-woven fabrics of hydrophilic and liquid permeability and three-dimensional perforated film etc. can be used, as back-sheet 22, the resin film of opaque liquid or water proofing property and the duplexer of resin film and non-woven fabrics etc. can be used.As absorber 23, the core parcel sheet material that can use thin paper and non-woven fabrics by water penetration to form comes the fiber assembly (also can be non-woven fabrics) of covering paper pulp fibres etc. or keeps the material etc. of the absorbent core that the particle of water absorbent polymer forms therein.Form with sheet material 24 as the stereo enclosure that constitutes stereo enclosure, can use thin film, non-woven fabrics, fabric or their laminated sheet etc. of retractility.
Form the elastomeric element 25 of usefulness, the elastomeric element 26 that the shank pad forms usefulness as elastomeric element 33, stereo enclosure, can use wire and the banded elastomeric element of the compositions such as polyethylene-alpha olefin copolymer of natural rubber, polyurethane, polystyrene-poly isoprene copolymer, polystyrene-poly butadiene copolymer, ethyl acrylate-ethylene etc.From reducing viewpoints such as manufacturing cost and simplified manufacturing technique, be disposed at a slice lateral plate a plurality of elastomeric elements 33 preferred same kinds according to identical percentage elongation configuration.
As the bonding agent 34 with secures resilient member 33, and the preferred material that is used for engaging the bonding agent between each parts, can enumerate amorphous polyolefin, ethylene-vinyl acetate copolymer (EVA), vinyl-acrylate copolymer (EEA), s-B-S piece polymer (SBS), styrene-isoprene-phenylethene piece polymer (SIS), styrene-ethylene/butylene-styrene piece polymer (SEBS), styrene-ethylene/propylene-styrene piece polymer polymer such as (SEPS) thermoplasticity and their mixture thereof etc.The preferred heat molten type of bonding agent.
Below, the disposable diaper of second embodiment of the present utility model is described.The structure of the lateral plate of the disposable diaper of second embodiment is different with first embodiment.For second embodiment, mainly the difference with first embodiment is described, then omit its explanation for identical point.Do not mention part especially, suitably use the related description of first embodiment.
Among the lateral plate 3A in second embodiment, as shown in Figure 5, the width W 6 of front bonding region 36 is bigger than the width W 5 of main body side bonding region 35, in main body side bonding region 35 and front bonding region 36, and its width (size of directions X) difference.
The disposable diaper of second embodiment, makes under the state of lateral plate 3A elongation with pulling pull stap 4 being through wearer on one's body the time, and bonding land 5 is pressed and be fixed in the Fixed Division 41 of this pull stap 4.
In addition, when putting on diaper after taking pull stap 4 grades, the front of lateral plate 3 is positions of the easiest breakage, the front bonding region 36 that the diaper of second embodiment has wide cut (width is big) in its front, therefore, cracky not when drawing pull stap etc.In addition, owing to there is the front bonding region 36 that strengthens because of the bonding agent rigidity, the front of lateral plate 3 becomes stable, therefore, takes pull stap and lateral plate easily, and in addition, also easy front with lateral plate 3 is fixed in the bonding land 5.
In addition, dwindle the width of main body side bonding region 35 relatively, therefore, can fully guarantee the width of zone line 30.The part of zone line 30 or its integral body are made of non-bonding region 38, therefore, compares with main body side bonding region 35 and front bonding region 36, and the zone line softness, and also flexible easily.Therefore, lateral plate 3 is according to distortion neatly easily such as the increase and decrease of the waistline of wearer and the action of lower limb, and the diaper 1 of present embodiment is also fine aspect the fit that encloses for waistline and lower limb and wearing feeling (prevent from tightly reining in, elastomer is left a trace at health etc.).
In addition, the width of main body side bonding region 35 is relatively little, and therefore, the root easy deformation of lateral plate can flexibly be operated sheet material, and therefore, dress property and fit further improve.
In addition, pull stap 4 increases with the zone of the part repetition of front bonding region 36, and the intensity of pull stap 4 improves, and can prevent breakage when operation pull stap 4.
In addition, in the zone line 30 of the disposable diaper of second embodiment, also same with first embodiment, bonding region 37 and non-bonding region 38 in the middle of forming, therefore, bonding region 35,36,37, particularly middle bonding region 37 are difficult to can access better wearing feeling to a kind of sense of discomfort of the skin of wearer.
From obtaining the viewpoint of the effect more than above-mentioned one or two more effectively, the width W 5 of main body side bonding region 35 and the width W 6 of front bonding region 36 are preferably respectively more than the 3mm, more preferably more than the 5mm.
In addition, the width W 6 of front bonding region 36 is preferably 1.1～3.0 with the ratio (W6/W5) of the width W 5 of main body side bonding region 35, and more preferably 1.5～2.5.
In addition, the width W 5 of main body side bonding region 35 is preferably 3～10% with the ratio (percentage rate) of the overall width (W5+W6+W30) of main body side bonding region 35, front bonding region 36 and zone line 30, more preferably 5～10%, the width W 6 of front bonding region 36 is preferably 3.3～30% with the ratio (percentage rate) of this overall width (W5+W6+W30), and more preferably 5.5～30%.In addition, the difference of the aforementioned ratio (percentage rate) of the aforementioned ratio (percentage rate) of the width W 6 of front bonding region 36 and the width W 5 of main body side bonding region 35 is preferably 0.3～27%, and more preferably 0.5～25%.
For size of these various pieces etc. also as mentioned above, make elongation such as elastomeric element 33 elastomeric elements such as grade, lateral plate is launched to measure under the state that becomes design size (getting rid of under the state of influence of all elastomeric elements, when becoming plane expansion measure-alike).
In addition, lateral plate 3, the 3A of first and second embodiment can adopt the arbitrary method manufacturing, not special restriction, for example, use Figure 11 of TOHKEMY 2010-22588 communique and mechanism shown in Figure 12 etc., between a pair of banded sheet material, grip elastomeric element when making compound flexible sheet material, smear bonding agent to produce the bonding region of aforementioned manner one of a pair of banded sheet material and both, can obtain thus.
More than, according to it this utility model has been described preferred embodiment, but this utility model is not defined in each above-mentioned embodiment, and the change that various kinds is respectively arranged can be arranged.
For example, pull stap 4 as affixed parts, also can be substituted on the single face of the tape base material that is constituted by non-woven fabrics etc., the parts that the hero button parts that paste by stickup mechanicalness male and female such as thermal welding and bonding agents form, adhesive-applying on the single face of the tape base material that is made of non-woven fabrics etc. forms the Fixed Division that is formed by bonding agent.In addition, make both female button parts of the outside engage mechanical male and female subsides of sheet material 22 and forming overleaf of fixing bonding land, Fixed Division that the hero button parts that pasted by the mechanicalness male and female form 41, also can adopt the good non-woven fabrics of engaging property to constitute the outside of back-sheet 22, it is stipulated that the zone is as the bonding land.
In addition, affixed parts such as pull stap 4 in also can disposable diaper 1A as shown in Figure 7 like that, be fixed in a pair of sternopleurite 6,6 of the both sides of the absorbent main body 2 that is arranged at the A of veutro portion.In addition, affixed parts also can be that the hero button parts that the mechanicalness male and female are pasted directly are fixed on the single face of leading section of lateral plate 3.As the formation material of sternopleurite 6, can use non-woven fabrics, fabric, thin film or their laminated sheet etc.
In addition, in Fig. 4, represented that the outside (not being the one side of sheet material 31 sides) at sheet material 32 utilizes bonding agent to engage the example of the tape base material 42 of pull stap 4, but, also can utilize bonding agent splicing tpae base material 42 at the inner face (not being the one side of sheet material 32 sides) of sheet material 31, perhaps the relative face in sheet material 31 and/or 32 utilizes bonding agent to engage.
In addition, joint method as tape base material 42, replace the bonding of bonding agent, as shown in Figure 8, employing is processed to form the method for a plurality of heat bonding portion 44 that is separated from each other by impressions such as hot padding processing, ultrasound wave impression, high frequency impressions, in addition, also can and with bonding agent bonding, with by the impression (emboss) processing etc. the portion of hot welding.
In addition, as lateral plate 3, the fixing means of 3A on absorbent main body 2, having represented to utilize bonding agent that lateral plate 3 is fixed on stereo enclosure in Fig. 4 forms with the example between sheet material 24 and the back-sheet 22, but, both can lateral plate 3,3A be fixed between the sheet material that constitutes absorbent main body 2 by thermal welding, also can be by outside (be not stereo enclosure form one side with the sheet material 24 sides) side engagement of methods such as bonding agent and thermal welding with lateral plate 3,3A and back-sheet 22.In addition, also can and with bonding agent bonding, with portion of hot welding by coinging etc.
In addition, disposable diaper also can not have stereo enclosure, also can be fixed in face sheet 21 and back-sheet 22 between in the both sides of absorbent main body 2 lateral plate 3,3A and on the face sheet 21.In addition, back-sheet 22 is formed by the duplexer of resin film and non-woven fabrics, and lateral plate 3,3A also can be clamped and fastened on non-woven fabrics part that the lateral margin from resin film in this back-sheet 22 extends out, form between usefulness sheet material 24 or the face sheet 21 with stereo enclosure.
In addition, elastomeric element 33 roughly get final product along the configuration of the width of diaper, both can with the linear precedent of the diaper length direction CL of Central Line quadrature as the angle below 30%, also can be as shown in Figure 9, elastomeric element 33 formation zigzags.In addition, in example shown in Figure 4, lateral plate 3 than front bonding region 36 more close front end 3c sides, form sheet material 31,32 not by the non-bonding region of the bonding front of bonding agent, lateral plate 3 than the main body side bonding region 35 more close CL of Central Line sides, form sheet material 31,32 not by the non-bonding region of the bonding main body side of bonding agent, still, can not form the non-bonding region of this front and/or the non-bonding region of main body side as shown in figure 10 yet.
In addition, has either side in the left and right sides of the lateral plate 3 of pull stap 4, length direction that 3A also can only be formed at absorbent main body 2.In addition, the whole zone of zone line 30 also can be formed by non-bonding region 38.In addition, in example shown in Figure 3, the bonding region 37 of zone line 30, non-bonding region 38 be according to the arranged spaced of homogeneous, still, also can be on directions X heterogeneities all.For example, in example shown in Figure 11, width W 8 heterogeneity on directions X of the non-bonding region 38 of zone line 30.In addition, as shown in figure 12, also can be along with going to absorbent main body 2 sides, the mode that the width W 8 of non-bonding region 38 narrows down gradually, perhaps not shown opposite with this mode, along with go the mode that the width W 8 of non-bonding region 38 broadens gradually to absorbent main body 2 sides.
In addition, for main body side bonding region 35, front bonding region 36 and middle bonding region 37, on Y-direction (diaper length direction), the width of its directions X (diaper width) all can change.In the case, in the same area of Y-direction, compare the size of these regional width.Particularly as shown in figure 13, the installation portion of pull stap 4 (when looking squarely and the overlapping part of pull stap 4), make the width W 6 of diaper width of aforesaid front bonding region 36 bigger than the other parts of this front bonding region 36, thus, be conducive to further improve the intensity of pull stap 4.
In addition, explanation clipped in the above-mentioned embodiment and only the condition that has of embodiment can suitably be applied to respectively in other the embodiment, in addition, the mutual alternative between embodiment suitably of the condition in each embodiment.
Claims (16)
1. disposable diaper is characterized in that:
Possess: comprise the absorbent main body of absorber and be installed on the sidepiece of a side of this absorbent main body or the lateral plate of the sidepiece of both sides,
Described lateral plate has: two sheet materials; And at a plurality of elastomeric elements that under the state of diaper width elongation, are fixed between described two sheet materials, be provided with this lateral plate is fixed in the affixed parts at other position at the leading section of this lateral plate,
Described lateral plate has bonding agent along a plurality of bonding regions that the diaper length direction disposes continuously between described two sheet materials, comprise as this bonding region: the end of the described absorbent main body side of fixing described elastomeric element or near the main body side bonding region it; And fix the end of front of described lateral plate of this elastomeric element or near the front bonding region it, at the zone line that is sandwiched between this main body side bonding region and this front bonding region, has the not one or more non-bonding region of placement of adhesives
Described main body side bonding region is different with the width of described front bonding region.
2. disposable diaper as claimed in claim 1 is characterized in that:
The width of described main body side bonding region is bigger than the width of described front bonding region.
3. disposable diaper as claimed in claim 1 is characterized in that:
The width of described front bonding region is bigger than the width of described main body side bonding region.
4. as each the described disposable diaper in the claim 1～3, it is characterized in that:
The total width of described main body side bonding region and described front bonding region is below 1/4 of width of described zone line.
5. as each the described disposable diaper in the claim 1～3, it is characterized in that:
At described zone line, width than bonding region in the middle of all little a plurality of of described main body side bonding region and described front bonding region with and the bonding region of adjacency between described non-bonding region is set mode form.
6. as each the described disposable diaper in the claim 1～3, it is characterized in that:
At described zone line, width than bonding region in the middle of all little a plurality of of described main body side bonding region and described front bonding region with and the bonding region of adjacency between described non-bonding region is set mode form,
Described main body side bonding region, described front bonding region and described in the middle of bonding region all extend along the diaper length direction, spread all over the total length between the last lower limb of described lateral plate.
7. disposable diaper as claimed in claim 5 is characterized in that:
In described main body side bonding region and the described front bonding region, respectively Pei Zhi bonding agent quantitatively than be disposed at described in the middle of bonding agent quantitatively big in the bonding region.
8. disposable diaper as claimed in claim 5 is characterized in that:
Described zone line, under the naturalness of described disposable diaper, contraction according to described elastomeric element, described two sheet materials in the described non-bonding region form according to a plurality of pleats that extend across the mode of a plurality of these elastomeric elements on the two sides of described lateral plate respectively to the direction bulging of leaving this elastomeric element.
9. as each the described disposable diaper in the claim 1～3, it is characterized in that:
At least a portion of described main body side bonding region engages with the component parts of described absorbent main body.
10. as each the described disposable diaper in the claim 1～3, it is characterized in that:
The overlapping part that is fixed in described front bonding region of described affixed parts.
11. disposable diaper as claimed in claim 10 is characterized in that:
Described affixed parts are by the sheet material of adhesive securement in the formation single face of described front bonding region.
12. disposable diaper as claimed in claim 10 is characterized in that:
Described affixed parts are fixed in the sheet material of the formation single face of described front bonding region by a plurality of thermal welding portion of space.
13. disposable diaper as claimed in claim 1 is characterized in that:
The width of described non-bonding region is along with going to described absorbent main body side and narrowing down gradually.
14. disposable diaper as claimed in claim 1 is characterized in that:
The width of described non-bonding region is along with going to described absorbent main body side and broadening gradually.
15. disposable diaper as claimed in claim 1 is characterized in that:
The width of the diaper width of the installation portion of the described affixed parts of described front bonding region is bigger than the width of the diaper width at other position of this front bonding region.
16. each the described disposable diaper as in the claim 1～3 is characterized in that:
Angle along diaper the width described elastomeric element that extends and the described bonding region that extends along the diaper length direction is 30～150 degree.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-152325 | 2011-07-08 | ||
| JP2011152325 | 2011-07-08 | ||
| JP2012115457A JP5988693B2 (en) | 2011-07-08 | 2012-05-21 | Disposable diapers |
| JP2012-115457 | 2012-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029490U true CN203029490U (en) | 2013-07-03 |
Family
ID=47885023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330286 Expired - Lifetime CN203029490U (en) | 2011-07-08 | 2012-07-06 | Disposable diaper |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5988693B2 (en) |
| CN (1) | CN203029490U (en) |
| TW (1) | TWM449582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029028A (en) * | 2014-03-31 | 2016-10-12 | 大王制纸株式会社 | Method for producing stretchable structure for absorbent article, method for producing pants-type disposable diaper, and pants-type disposable diaper |
| CN106687092A (en) * | 2014-09-15 | 2017-05-17 | 宝洁公司 | Adhesive striping with apertured films |
| WO2022020991A1 (en) * | 2020-07-27 | 2022-02-03 | The Procter & Gamble Company | Pant-type wearable article |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6192003B2 (en) * | 2013-03-29 | 2017-09-06 | 大王製紙株式会社 | Elastic structure of absorbent articles |
| WO2014156949A1 (en) * | 2013-03-29 | 2014-10-02 | 大王製紙株式会社 | Elastic structure for absorbent article and method for manufacturing elastic structure for absorbent article |
| JP6128460B2 (en) * | 2013-03-29 | 2017-05-17 | 大王製紙株式会社 | Pants-type disposable diaper |
| JP6222687B2 (en) * | 2013-03-29 | 2017-11-01 | 大王製紙株式会社 | Elastic structure of absorbent articles |
| JP6410075B2 (en) * | 2013-03-29 | 2018-10-24 | 大王製紙株式会社 | Elastic structure of absorbent articles |
| JP6189628B2 (en) | 2013-05-13 | 2017-08-30 | 花王株式会社 | Pants-type absorbent article |
| US10682264B2 (en) | 2016-12-16 | 2020-06-16 | Kimberly-Clark Worldwide, Inc. | Diaper pants having a partial non-overlapping waist panel structure free of inner material and elastics |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4809051B2 (en) * | 2005-12-19 | 2011-11-02 | 株式会社リブドゥコーポレーション | Disposable diapers |
| JP5442953B2 (en) * | 2008-02-29 | 2014-03-19 | 大王製紙株式会社 | Tape-type disposable diaper |
| JP5374084B2 (en) * | 2008-07-18 | 2013-12-25 | 大王製紙株式会社 | Tape-type disposable diaper |
-
2012
- 2012-05-21 JP JP2012115457A patent/JP5988693B2/en active Active
- 2012-07-06 TW TW101213169U patent/TWM449582U/en not_active IP Right Cessation
- 2012-07-06 CN CN 201220330286 patent/CN203029490U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029028A (en) * | 2014-03-31 | 2016-10-12 | 大王制纸株式会社 | Method for producing stretchable structure for absorbent article, method for producing pants-type disposable diaper, and pants-type disposable diaper |
| CN106029028B (en) * | 2014-03-31 | 2019-12-24 | 大王制纸株式会社 | Method for manufacturing stretchable structure of absorbent article, method for manufacturing pants-type disposable diaper, and pants-type disposable diaper |
| CN106687092A (en) * | 2014-09-15 | 2017-05-17 | 宝洁公司 | Adhesive striping with apertured films |
| WO2022020991A1 (en) * | 2020-07-27 | 2022-02-03 | The Procter & Gamble Company | Pant-type wearable article |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5988693B2 (en) | 2016-09-07 |
| TWM449582U (en) | 2013-04-01 |
| JP2013034850A (en) | 2013-02-21 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |