CN1248903A - Disposable absorbent article with folded for panels and method of making same - Google Patents
Disposable absorbent article with folded for panels and method of making same Download PDFInfo
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- CN1248903A CN1248903A CN 97182057 CN97182057A CN1248903A CN 1248903 A CN1248903 A CN 1248903A CN 97182057 CN97182057 CN 97182057 CN 97182057 A CN97182057 A CN 97182057A CN 1248903 A CN1248903 A CN 1248903A
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Abstract
The present invention relates to a means of reproducibly and consistently folding the ear panels on disposable absorbent articles in order to simplify and accelerate te diaper opening process for the user, reduce the risk of potential injury to the end user and wearer caused by clipped ear panels, and create for packaging purposes, a ore aesthetically satisfying arrangement in the disposable diaper pack. In another aspect of the invention, a method for the making of a disposable absorbent diaper, which incorporates the folding of the ear panels, is outlined.
Description
The present invention relates to a kind of advanced method that on disposable absorbent article, folds ear shape sheet.Specifically, The present invention be directed to that disposable diaper proposes.
Disposable absorbent article, particularly disposable diaper are the manufacturing articles for use that known design is mainly worn by baby and incontinent patients.Such diaper is through around wearer's the lower trunk, is used for absorbing and holds urine and other bodily exudate, avoids making dirty, get wet and pollutes the various article that contact with diaper in the use (for example clothes, bedding, other people etc.) similarly.
When taking a new disposable diaper, user normally is launched into the half-lap configuration with the diaper of Amscomatic configuration, find out the ear shape sheet that has tab fasteners and diaper is opened into unfolded configuration, user can be cooperated diaper and fixing and form the side closed shape around wearer's waist.In folding and half-lap configuration, ear shape sheet generally is the back waist region near disposable diaper, because the clamped characteristic of ear shape sheet makes tab fasteners be in such position, promptly be unfavorable for making things convenient for the user operation, or bring danger for user even wearer.Because ear shape sheet on base assemblies irregular alignment and may clamp in the cutting stage of making.
Prior art does not show any relevant especially information for the theme of folding ear shape sheet on such as the disposable absorbent article of diaper.For example, United States Patent (USP) 3,863,637 concentrate on folding of diaper.Specifically, diaper longitudinally is folded into such configuration, promptly on the cross section, and the similar Greek alphabet ∑ of diaper longitudinal centre line one side, and the similar reverse ∑ of diaper opposite side.Diaper has rectangular profile, is provided with the viscosity bar on the relative angle of diaper one end.Because the rectangular shape of diaper is not easy to occur the folding situation of ear shape sheet.On the contrary, United States Patent (USP) 4,050,462 do not mention the folding of ear shape sheet.The diaper that the document has been described according to this invention is how to be folded and to be applicable to packing.Because elastic existence, narrow crotch portion shrinks and makes diaper oneself be folded transversally into half, and is inwardly folding at an easy rate at the outwardly directed ear shape sheet at the edge of waistband portion.EP 0452951B1 has described the folding of training pants upper lateral part, so that packing.Specifically, the document relate to have the front portion, the training pants of rear portion, sidepiece that the front and rear part is connected together.Sidepiece begins to extend to each leg opening from waist opening, and is folding along the centrage of the training pants that extends in the vertical, thereby makes sidepiece between the front and rear of training pants.At present, other disposable diaper finished product on the market has shown at random folding of ear shape sheet to be arranged arbitrarily, and the ear shape sheet that clamps is very general.The most applications that Here it is when disposable diaper wraps in opening.
Because the trial of above-mentioned prior art, those of ordinary skill in the art have recognized the need to provide a kind of can be repeatedly and the mode of folding ear shape sheet on disposable diaper continuously, so that simplification and acceleration user are opened the process of diaper, the danger that minimizing is caused by the ear shape sheet that clamps to end user and the potential injury of wearer, and wrap the more gratifying in appearance layout of formation at disposable diaper for the purpose of packing.The solution that has been found that is that ear shape sheet is repeatedly folding and form such configuration, promptly makes tab fasteners be exposed to user when diaper is opened into the half-lap configuration, and does not show the ear shape sheet of clamping.
Have been found that at present advantage of the present invention is a lot, comprising: opening steps of diaper and tab fasteners easily; Neat, the controlled and successive folding mode of ear shape sheet makes product have the outward appearance of advanced person and improvement; Provide a kind of user has been had special affinity and can be to user or the deleterious product of wearer; The product that a kind of user height is satisfied and trust is provided; Provide a kind of user open the disposable diaper bag and when obtaining diaper first sensation just feel very attracting structure.In addition, it also is very simple adding folding process on existing production line.In fact, folding process increases reliability, work simplification, and do not need the use meeting to bring the electrostatic charging equipment of safety hazards to the operator.
In one aspect of the invention, disclose a kind of disposable absorbent article that has front waist region, back waist region, base assemblies and be positioned at a pair of ear shape sheet of back waist region, but wherein base assemblies comprises the top flat of transflective liquid; The liquid-tight egative film that links to each other with top flat; Absorbent article core between egative film and top flat.Ear shape sheet comprises the tab fasteners with attachment region and functional areas.Each ear shape sheet is from folding back the width of the attachment region of tab fasteners at least on one's body, and subsequently from forward one times of the width of the folding attachment region of tab fasteners at least on one's body.After folding forward, do not comprise that the part of the ear shape sheet of tab fasteners attachment region is in the configuration of partly overlapping tab fasteners attachment region.In a preferred embodiment of the invention, each ear shape sheet is from the twice of the width of folded flaps securing member attachment region forward on one's body.Ear shape sheet can with the diaper back waist region be one, can be to link together along the back waist region of jointing line and diaper also.
In another aspect of this invention, the method that a kind of manufacturing has the disposable diaper of above-mentioned feature is disclosed.Step comprises: the preparation disposable diaper; Ear shape sheet is being reached at least width of tab fasteners attachment region from folding back on one's body; With ear shape sheet from forward at least one times of the width of the attachment region of folded flaps securing member on one's body; Be folded in the part that does not comprise the ear shape sheet of tab fasteners attachment region after folding forward, make it be in the configuration of partly overlapping tab fasteners attachment region.In another preferred embodiment of the present invention, ear shape sheet combines with the back waist region of diaper at folding step forward position jointing line forward.
The present invention may be better understood according to following description taken together with the accompanying drawings, wherein:
Fig. 1 is the plane graph of disposable diaper preferred embodiment of the present invention, and wherein part is cut the structure with demonstration lower floor, and the outer surface of diaper is towards the observer;
Fig. 2 a is the cutaway view of the preferred embodiment of disposable diaper along A-A line among Fig. 1;
Fig. 2 b is the continuation of Fig. 2 a, ear shape sheet is shown in the situation after folding back on one's body;
Fig. 2 c is the continuation of Fig. 2 b, ear shape sheet is shown in the situation behind a times of the width of folding forward tab fasteners attachment region at least on one's body;
Fig. 3 a is the preferred embodiments of the present invention, and is the continuation of Fig. 2 c, and in this embodiment, ear shape sheet is folding the twice of the width of the attachment region of tab fasteners at least forward from one's body;
Fig. 3 b is the continuation of Fig. 3 a and shows the folding fully configuration of ear shape sheet.
In this article, " disposable absorbent article " vocabulary shows the articles for use that absorb and hold body excretions, or rather, expression be placed on the wearer's body or health near, be used for absorbing and hold the various excremental articles for use of discharging from health and it will be dropped (promptly after using once, do not plan this absorbent device is washed or otherwise reclaims or reuse as absorbent device), preferably reclaim, make fertilizer or with mode environmentally compatible they are carried out other disposal with a kind of.In this article, " diaper " vocabulary shows usually the medicated clothing by baby or incontinent patients dress, and cover is through between two lower limbs and is fastening around waist." sheet " used herein speech refers to zone or the element on diaper or the lumbar.Although (sheet is distinct area and element normally, and a sheet also can be overlapping to some extent with adjacent sheet.) herein " joint " speech summarized two kinds of structures, first kind is by parts being attached directly on another parts and these parts directly are fixed on structure on another parts, second kind be by with parts attached on one or several intermediate member again intermediate member attached on another parts and the structure of this parts indirect securement on another parts.
Fig. 1 is that diaper 20 of the present invention is in its flattening, non-contraction state (promptly, the contraction that will be caused by elastic component is removed) time plan view, in order more to clearly illustrate the structure of diaper 20, its several portions is cutd open, and, make diaper 20 towards that part that deviates from wearer's direction, promptly outer surface is towards the reader.As shown in Figure 1, diaper 20 is T-shape, and comprise base assemblies 22, tensile leg cuff 30, tensile low back spare 32, the bridge piece of tab fasteners 37 and tensile Attacking Midfielder's part 42, but wherein base assemblies 22 comprises top flat 24, and the top flat 24 bonded liquid-tight egative films 26, the absorbent article core 28 between top flat 24 and egative film 26 of transflective liquid; Tensile leg cuff 32 respectively comprises leg panel 31 and one or more elastic component, elastica thighs 54 that effectively are connected with leg panel; Waist sheet 34 in the middle of tensile low back spare comprises, a pair of ear shape sheet 36 that respectively comprises tab fasteners 37, buttocks sheet 38; Tensile Attacking Midfielder's part 42 comprises front waist panel 43.
Each sheet can be the separate part that joins on the whole diaper structure, or with diaper 20 are monolithic deviceses, this moment, these sheets were made of the extension of other parts of diaper, for example both extensions of egative film 26, top flat 24 or top flat 26 and egative film 26.In the embodiment shown in fig. 1, all sheets except ear shape sheet 36 all are made of the extension of top flat 24 and egative film 26.Ear shape sheet 36 is made of the separate part at least a portion of waist sheet 34 in the middle of joining to and buttocks sheet 38.In addition, any one or all sheets can extend.Although bottom sheet 22 can be by presenting elasticity such as being processed into described similar elastic film (SELF) wire side, bottom sheet 22 normally can not be extended, so that keep absorbent article core 28 globality in use.Preferably, extending comprises the SELF wire side.The application of SELF makes the power/tensile elasticity that can design each sheet especially make the suitability of diaper and the property held reach maximum so that adopt minimum material (not needing traditional elastomeric material).
As shown in Figure 1, diaper 20 has the closed-system that comprises tab fasteners 37 and bridge piece 41, is used for diaper 20 is fitted on one's body the wearer.Tab fasteners 37 comprises attachment region 39 and functional areas (not shown), bridge piece preferably stiffener 41 or alternative be the part of egative film 26 that is positioned at the front waist region 45 of diaper 20.Attachment region 39 be on the tab fasteners 37 with the zone of ear shape chip bonding, and functional areas are the zones that make on the tab fasteners 37 that the position at its place can engage with the bridge piece on the diaper front waist region 45.Functor can have multiple configuration, for example the combination of adhesive fastener, machanical fastener, adhesive fastener and machanical fastener or other mode known to a person of ordinary skill in the art.
The diaper 20 of Fig. 1 has the inner surface (not shown), with inner surface opposed outer surface 44 (in Fig. 1 towards the observer), front waist region 45, the back waist region 46 relative, and the periphery that forms by the outward flange of diaper 20 with front waist region 45, in the outward flange of diaper 20, longitudinal edge is designated as 47, and the base is designated as 48.(those of ordinary skill in the art is to be appreciated that diaper is described to have a pair of lumbar region and the crotch district between the lumbar region usually, and in this application, in order to simplify technical term, diaper 20 is described as only has the lumbar region, and each lumbar region comprises the diaper part of common design as part crotch district.) inner surface of diaper 20 comprises on the diaper 20 in use the part (that is, inner surface is formed by the part of top flat 24 and other parts that join on the top flat 24 usually) near wearer's body.Outer surface 44 comprises the part (that is, outer surface is formed by the part of egative film 26 and other parts that join on the egative film 26 usually) that in use deviates from wearer's body on the diaper 20.Front waist region 45 and back waist region 46 extend to the cross central line 49 of diaper 20 respectively from the end limit 48 of periphery.(laterally (directions X or width) is defined as the direction of the cross central line 49 that is parallel to diaper 20; Vertically (Y direction or length) is defined as the direction that is parallel to longitudinal centre line 50; Axially (the reverse or thickness of Z) is defined as the direction of the thickness that extends through diaper 20.
Fig. 1 shows the preferred embodiment of diaper 20, and wherein, the length of top flat 24 and egative film 26 and width are usually all greater than the length and the width of absorbent article core 28.Top flat 24 and egative film 26 extend beyond the edge of absorbent article core 28 and form the part of specific sheet and diaper periphery.Periphery defines the periphery of diaper 20, in other words defines the edge of diaper 20.Periphery comprises longitudinal edge 47 and end limit 48.
The base assemblies (bottom sheet) 22 of diaper 20 shown in Figure 1 has constituted the main body (bottom) of diaper 20.Base assemblies 22 has absorbent article core 28 at least, preferably also has to comprise the outer cover that constitutes top flat 24 and egative film 26.Therefore, base assemblies 22 has constituted the primary structure of diaper, and other parts add up and just constituted compound diaper structure.The illustrative example of base assemblies of the present invention is in U.S. Pat 3,860, shown in 003.
Absorbent article core 28 can be any moisture absorption product that can absorb and keep such as urine and other specific body excretions one class I liquid I.Absorbent article core 28 has towards the surface of underwear, body-facing surface, side 57, and waist limit 56.Absorbent article core 28 (for example can be made multiple size and dimension, rectangle, hourglass shape, "T"-shaped, asymmetric shape, or the like), can also adopt the multiple hygroscopic material (for example being referred to as the wood fragments slurry of gas felt) that is usually used in making disposable diaper and other moisture absorption product to make absorbent article core 28.Other suitable hygroscopic material comprises the corrugation cellulose wadding; The meltblown polymer that becomes altogether; Cross-linked cellulosic; Fabric with fabric sleeve and fabric laminate; The moisture absorption foam; The moisture absorption sponge; Super absorbent polymer; Hygroscopicity gel material; Or other any suitable material or the combination of these materials.The shape of absorbent article core 28 and structure also can be different (for example, absorbent article core 28 can have different caliper zones, hydrophilic gradient, super moisture absorption gradient or low average density and harmonic(-)mean Unit Weight reception area; Perhaps can have one or more layers structure).Total moisture absorption capacity of absorbent article core 28 should conform to desired use with the design (calculated) load of diaper 20.In addition, the size of absorbent article core 28 and moisture absorption capacity can be different, with all kinds of wearers in being fit to from the baby to adult's scope.The absorbent structure that can be used as the absorbent article core of obtaining extensive approval and business success 28 of absorbent article core of the present invention has been described: the special US 4,610,678 of the U.S. in following United States Patent (USP); U.S. Pat 4,673,402; U.S. Pat 4,888,231; U.S. Pat 5,147,345; U.S. Pat 5,102,597; U.S. Pat 4,834,735.Absorbent article core 28 is preferably U.S. Pat 5,234, the double-deck absorbent structure of describing in 423.
The surface towards underwear of laminate backsheet 26 being pasted absorbent article core 28 is provided with, and preferably utilizes any fixing means (not shown) as known in the art that it is fixed on that position.For example, can egative film 26 be fixed on the absorbent article core 28 with even successive adhesive coating, patterned adhesive coating or the bond layer of forming by a series of independently lines, helix or point.Have found that the bonding agent of the commodity HL-1258 by name that is made by Minnesotan H.B.Fuller company is more satisfactory.A kind of suitable fixing means is as U.S. Pat 4,573, the bonding agent of 986 disclosed the sort of open mesh wire shapes.Exemplary open mesh wire shape adhesive securement comprises the bonding agent lines that the bonding agent silk of several a kind of spiral type decorative patterns of coiled constitutes, and for example by disclosed such in the apparatus and method shown in the following patent, these patents are: U.S. Pat 3,911,173; U.S. Pat 4,785,996; U.S. Pat 4,842,666.Perhaps, fixing means can also be a heat bonding, pressure is bonding, heat/pressure is bonding, ultra-sonic welded, dynamic power machine connect or the combination of other suitable fixing means or these fixing means as known in the art.Egative film 26 is impenetrable liquid (as a urine), although can adopt other flexible material to make, preferably is made of thin plastic sheeting." flexibility " speech used herein refers to those softnesses and is easy to and the general shape of human body and the material that profile phase is fitted.Egative film 26 prevent to absorb be contained in absorbent article core 28 in the ejection article getting wet and contact with diaper 20, for example sheet and underwear etc.Egative film 26 can be by making such as following material: weaving or non-woven material; Thin polymer film such as polyethylene or polypropylene thermoplastic thin film; The composite of the non-woven material that covers such as thin film.Preferably, egative film is that thickness is the thermoplastic film of about 0.012mm to 0.051mm.Egative film 26 preferably includes the Haute by Tredegar Corporation of Terre, the polyethylene mixed film of about 0.025mm of the commodity that In makes P8863 by name.
Top flat 24 is adjacent with the body-facing surface of absorbent article core 28, and preferably is bonded on the egative film 26 by means of for example fixing means (not shown) well known in the art.Suitable fixing means when being bonded on egative film 26 on the absorbent article core 28, has been described in description.In a preferred embodiment of the invention, top flat 24 and egative film 26 are joined directly at the periphery of diaper, are bonded together indirectly thereby then directly be bonded on the absorbent article core 28 by the fixing means (not shown) at remainder.Top flat 24 is preferably submissive, touches up very soft, and to the wearer's skin nonirritant.And top flat 24 preferably liquids can see through, and make liquid (as urine) can see through its whole thickness easily.A variety of materials may be used to make suitable top flat, for example porous foam; Reticulated polymer foam; Plastic film; Wire side weaving or nonwoven, wherein weaving or nonwoven web can be made by natural fiber (as the wood fiber or cotton fiber), synthetic fibers (as polyester, polypropylene fibre) or the combined material of natural and synthetic fibers.Top flat 24 is preferably made by hydrophobic material, so as with wearer's skin with pass top flat 24 and be contained in that liquid in the absorbent article core 28 is isolated opens (promptly preventing rewetting).If top flat 24 is made by hydrophobic material, so, the upper surface of top flat 24 to be treated as at least hydrophilic so that liquid can pass top flat 24 quickly.This has reduced body excretions and has flowed out rather than infiltrate top flat 24 and the probability that absorbed by absorbent article core 28 from top flat 24.By top flat 24 being handled, can make top flat 24 show hydrophilic with surfactant.The method of top flat 24 suitably being handled with surfactant comprises with the material of surfactant spraying top flat 24 and with this material and being immersed in the surfactant.U.S. Pat 4,988,344 have at length discussed this processing method and hydrophilic.
Diaper 20 preferably also has tensile leg cuff 30, and its effect is the characteristic of improving liquid and other body excretions of holding.Each tensile leg cuff 30 can have the embodiment of several different minimizing body excretions in the leakage of shank.(leg cuff can and also be known as the bottom bands of trouser legs, flank, barrier cuff or elasticity sometimes and closes up.) U.S. Pat 3,860,003 described a kind of disposable diaper, this diaper has a contractile leg opening, and described opening has a flank and one or more elastomeric element, forms a tensile leg cuff (sealing is closed up).U.S. Pat 4,909, No. 803 patent has been described a kind of disposable diaper with " axial " elasticity flap (barrier cuff), and elasticity flap has wherein improved the performance of holding of leg area.U.S. Pat 4,695,278 have described the disposable diaper with the dual closing in that comprises a sealing closing in and a barrier cuff.U.S. Pat 4,704,115 disclose a kind of diaper or incontinence garment, have anti-side leakage grooves, with free-pouring liquid in the accommodating laundry.U.S. Pat 5,032,120 have described a kind of disposable diaper with band leg cuff, and it has the lower final contact force under the situation of long elongation that realizes by for example low contact force difference material.U.S. Pat 5,087,255 disclose a kind of absorbent device with inflection barrier cuff, and distal edge is positioned at the outside of near side (ns) in a lumbar region, and is positioned at the inboard of near side (ns) in another lumbar region, thereby provides better adaptive around buttocks.Although tensile leg cuff 32 can be made to such an extent that structurally close up similar with lower limb hoop, flank, barrier cuff or elasticity recited above, as shown in Figure 1, each tensile leg cuff 30 comprises from base assemblies 22 horizontal outwardly directed leg panel 31, the side 31 of absorbent article core 28, the one or more elastic components that engage with leg panel 31, elastica thigh 54 effectively, as U.S. Pat 3,860,003 is described.
Diaper 20 also comprises the tensile lumbar of suitability that improvement is provided and the property held.Tensile lumbar is at least from base assemblies, and preferably the waist limit 56 of absorbent article core 28 correspondences is vertically protruding, and roughly forms at least a portion on the end limit 48 of diaper 20.Therefore, in the embodiment shown in fig. 1, tensile low back spare 32 comprises diaper 20 part that the end limit 48 of diaper 20 is stretched on the waist limit 56 of absorbent article core 28 from back waist region 46.Although disposable diaper 20 of the present invention can be provided with tensile lumbar (tensile low back spare 32 and tensile Attacking Midfielder's part 42) in each lumbar region, following discussion will concentrate on respect to each lumbar to have on the diaper of isomorphism type not.On minimum level, diaper 20 preferably has at least one tensile lumbar that constitutes according to the present invention, more preferably at least one tensile low back parts.Lumbar can constitute the extension (promptly being one) of other parts of the separate part that joins on the base assemblies 22 or diaper.With respect to preferred embodiment lumbar is described below, wherein certain part or sheet comprise the extension of other parts of diaper 20, such as the extension of egative film 26, top flat 24 or egative film 26 and egative film 24, other part or sheet comprise join on lumbar other parts or the sheet or other sheet of diaper on individual component.
Tensile low back spare 32 provides stretchable member, because tensile low back spare 32 can make diaper expansion and shrink, during by beginning diaper cosily is through the wearer and carried wearing of ejection at diaper and keep this in the process and adaptively provide more comfortable and appropriate adaptive on one's body.In addition, tensile low back spare 32 produces and keeps wearing power (tension force), strengthens by closed-system to produce and the tension force that keeps and diaper is remained on one's body the wearer, and keeps diaper adaptive around waist.Tensile low back spare 32 also provides diaper more effective application, even draw a lateral plate (ear shape sheet 36) of tensile low back spare 32 than another longer (asymmetric) because wear the people of diaper for the wearer when wearing diaper for the wearer, diaper 20 also can " self regulation " in the process of wearing.As shown in Figure 1, waist sheet 34 in the middle of tensile low back spare 32 comprises, a pair of ear shape sheet 36 and buttocks sheet 38.In the embodiment shown in fig. 1, buttocks sheet 38 vertically outwards is provided with from base assemblies (bottom sheet) 22 at the zone line of back waist region 46, and preferably the waist limit 56 from absorbent article core 28 outwards is provided with; Middle waist sheet 34 vertically outwards is provided with from buttocks sheet 38; Lateral plate 36 laterally outwards is provided with from least a portion of middle waist sheet 34 and buttocks sheet 38 respectively.As described below, the specific position of each sheet of low back spare is extremely important for low back spare performance allomeric function.
Fig. 2 a is the cutaway view along the intercepting of the A-A line of the disposable diaper preferred embodiment of Fig. 1.In detail, Fig. 2 a only shows the part of top flat 24, a part, ear shape sheet 36 and the tab fasteners 37 of egative film 26.The attachment region 39 of tab fasteners 37 is visible.In the embodiment shown in Fig. 2 a, ear shape sheet 36 joins on the back waist region 46 also laterally protruding thus.In Fig. 2 a, ear shape sheet 36 joins on the egative film 26, but also can similarly be bonded on the top flat 24.Fig. 2 b is the continuation of Fig. 2 a.Ear shape sheet 36 is at the width of the attachment region 39 of tab fasteners 37 at least that folds back from one's body.The edge 40 of the attachment region 39 of tab fasteners 37 can be used as useful folding line of reference.In folding process, seam welding (knife welds, not shown) remains on its position folding ear shape sheet, and be packed good up to disposable diaper 20.In Fig. 2 c, ear shape sheet 36 is subsequently folding forward from one's body, and folding amount is one times of the width of the attachment region 39 of tab fasteners 37 at least.
Fig. 3 a is the preferred embodiments of the present invention, and is the continuation of Fig. 2 c.In a preferred embodiment, ear shape sheet 36 is from the twice of the width of the attachment region 39 of folded flaps securing member 37 forward on one's body.Fig. 3 b is the continuation of Fig. 3 a and the folding fully configuration that the desired ear shape sheet 36 of the present invention is shown.Specifically, the part P of ear shape sheet 36 that does not comprise the attachment region 39 of tab fasteners 37 after folding forward is arranged to the attachment region 39 partly overlapping configurations with tab fasteners 37.In another preferred embodiment of the present invention, each ear shape sheet 36 joins on the back waist region 46 along jointing line.This point can be clear that from Fig. 1.
The manufacture method of disposable diaper is disclosed in another aspect of this invention.Fig. 1,2a, 2b, 2c, 3a and 3b are relevant.This method may further comprise the steps; (a) preparation comprises front waist region 45, back waist region 46, base assemblies 22, a pair of diaper that is positioned at the ear shape sheet 36 of back waist region 46, but wherein base assemblies 22 comprise transflective liquid top flat 24, be bonded on liquid-tight egative film 26, the absorbent article core 28 between top flat 24 and egative film 26 on the top flat 24, ear shape sheet 36 comprises the tab fasteners 37 with attachment region 39 and functional areas (not shown); (b) with each ear shape sheet 36 from folding back the width of the attachment region 39 of tab fasteners 37 at least on one's body; (c) with each ear shape sheet 36 at one times from the width of the folding forward attachment region 39 of tab fasteners 37 at least on one's body; (d) be folded in forward and do not comprise that ear shape sheet 36 parts of the attachment region 39 of tab fasteners 37 make it be in the configuration of partly overlapping tab fasteners 37 attachment regions 39 after folding.In a preferred embodiment, step (c) comprises each ear shape sheet 36 in the folding forward on one's body certainly twice of the width of the attachment region 39 of tab fasteners 37 at least.In another preferred embodiment, ear shape sheet 36 respectively comprises the wire side that joins on the low back spare 32, and step (b) was carried out join the back waist region 46 of diaper 20 to along jointing line 58 at ear shape sheet 36 before." seam " used herein refers to this sheet from zone that base assemblies 22 is stretched out or engaged with base assemblies 22.These zones can be various curves or straight line, but are not limited to line style.Therefore, these zones can comprise flange, bar, dashed line etc.
Claims (9)
1. disposable absorbent article (20) with front waist region (45), back waist region (46), described absorbent device comprises:
Base assemblies (22), but comprise the top flat (24) of transflective liquid, the liquid-tight egative film (26) that links to each other with top flat (24); Be positioned at the absorbent article core (28) between egative film (26) and the top flat (24); Be arranged in a pair of ear shape sheet (36) of back waist region (46), described ear shape sheet (36) respectively comprises the tab fasteners (37) with attachment region (39) and functional areas, it is characterized in that,
Each ear shape sheet (36) is from folding back the width of the attachment region (39) of tab fasteners (37) at least on one's body, and subsequently from forward one times of the width of the folding attachment region (39) of tab fasteners (37) at least on one's body.
2. disposable absorbent article as claimed in claim 1 (20) is characterized in that, each ear shape sheet (36) is folding the twice of the width of the attachment region (39) of tab fasteners (37) at least forward from one's body.
3. the described absorbent device of arbitrary as described above claim (20), it is characterized in that, after folding forward, do not comprise tab fasteners (37) attachment region (39) ear shape sheet (36) partly (P) be in the configuration of the attachment region (39) of partly overlapping described tab fasteners (37).
4. the described absorbent device of arbitrary as described above claim (20) is characterized in that, the described functional areas of described tab fasteners (37) comprise bonding securing member.
5. the described absorbent device of arbitrary as described above claim (20) is characterized in that, the described functional areas of described tab fasteners (37) comprise machanical fastener.
6. absorbent device as claimed in claim 1 (20) is characterized in that, each ear shape sheet (36) joins on the back waist region (46) of diaper (20) along jointing line (58).
7. a method of making disposable diaper (20) is characterized in that, may further comprise the steps:
(a) preparation comprises front waist region (45), back waist region (46), base assemblies (22), a pair of diaper that is positioned at the ear shape sheet (36) of back waist region (46), wherein base assemblies (22) but comprise transflective liquid top flat (24), be bonded on liquid-tight egative film (26) on the top flat (24), be positioned at the absorbent article core (28) between top flat (24) and the egative film (26), described ear shape sheet (36) respectively comprises the tab fasteners (37) with attachment region (39) and functional areas;
(b) with each ear shape sheet (36) from folding back the width of the attachment region (39) of tab fasteners (37) at least on one's body;
(c) with each ear shape sheet (36) at one times from the width of folding forward tab fasteners (37) attachment region (39) at least on one's body;
(d) be folded in forward the ear shape sheet (36) partly (P) that does not comprise tab fasteners (37) attachment region (39) after folding, make it be in the configuration of partly overlapping tab fasteners (37) attachment region (39).
8. method as claimed in claim 7 is characterized in that, described step (c) comprises each ear shape sheet (36) in the folding forward on one's body certainly twice of the width of the attachment region (39) of tab fasteners (37) at least.
9. method as claimed in claim 8 is characterized in that, step (b) is carried out along the back waist region (46) that jointing line (58) joins diaper (20) to before at described ear shape sheet (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97182057 CN1248903A (en) | 1997-02-18 | 1997-02-18 | Disposable absorbent article with folded for panels and method of making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97182057 CN1248903A (en) | 1997-02-18 | 1997-02-18 | Disposable absorbent article with folded for panels and method of making same |
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| Publication Number | Publication Date |
|---|---|
| CN1248903A true CN1248903A (en) | 2000-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97182057 Pending CN1248903A (en) | 1997-02-18 | 1997-02-18 | Disposable absorbent article with folded for panels and method of making same |
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| Country | Link |
|---|---|
| CN (1) | CN1248903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018530B (en) * | 2005-06-23 | 2010-09-08 | 宝洁公司 | Disposable absorbent article having doubled side flaps and backsheet strips |
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1997
- 1997-02-18 CN CN 97182057 patent/CN1248903A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018530B (en) * | 2005-06-23 | 2010-09-08 | 宝洁公司 | Disposable absorbent article having doubled side flaps and backsheet strips |
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