CN1163208C - Disposable napkin - Google Patents

Abstract

To enable fixation without touching a fastener engaging surface by vertically separating a fixing part by a non-fixing holding area provided with respectively specified peripheral dimension and vertical direction dimension, surrounding the fixing part with a specified dimension peripheral area and specifying the rigidity value of the peripheral area and the holding area. A sheet 23 for reinforcing is joined to the inner surface of the surface sheet 2 of the side edge part flap 14 of a rear waist area 7 and an upper male member 22A and a lower male member 22B are attached in one line in the vertical direction of the side edge part flap 14 on the inner surface. Both members 22A and 22B are formed into a rectangular shape whose waist direction dimension W is at least 5mm and vertical direction dimension L is 10-30mm. Also, the vertical direction separation dimension D of 10-30mm is provided between both members 22A and 22B and the holding area is formed. Further, it is positioned on the inner side by 2-10mm from the periphery of a sheet piece 23. The rigidity value by a handometer method of the area composed of the peripheral area and the holding area is turned to 1-50g. By this constitution, the fixation is performed by one operation without touching the engaging surface.

Description

Disposable diaper

Technical field

The side portion that the present invention relates to the front and back waist zone can connect the disposable diaper of taking apart.

Background technology

In the past, such disposable diaper has been that people are known as disposable wearing article, this disposable diaper is worn by following manner, this mode is: the respective side edge portion in Attacking Midfielder's region and the low back region is overlapped, in knock-down mode above-mentioned side portion is connected with fixed part (fastener) on being formed at each side portion.Such as, to open in the flat 3-107917 document in the disclosed disposable diaper in that JP is real, the top and the bottom of the side portion of both sides, pro-waistline zone are respectively arranged with 1 banded fixture.In above-mentioned diaper, because the side portion in front and back waist zone can connect with bigger zone along the vertical direction, compare with an occasion that is connected in the bottom with the top with fixture like this, can improve the fitting tightly property of the diaper and the person.

The caregiver in the manner described above, will then can produce following situation when the diaper that is arranged at intervals with fixture up and down is through at baby and waits on one's body, promptly must be one by one fastening fastener in order, thereby its operation trouble.

So, the objective of the invention is in disposable diaper, fixing by disposable operation simultaneously along the fixed part that forms every setting between the upper and lower, in addition can nursing staff's finger not can with the contacted situation of the joint face of fastener under realize above-mentioned fastening.

Summary of the invention

To achieve these goals, prerequisite of the present invention is a kind of disposable diaper, it is made of permeance surface layer, opaque liquid inside story layer, absorbency core between above-mentioned two layers, this diaper vertically has Attacking Midfielder's region, low back region, a crotch region between these two zones along front and back, corresponding side portion in the above-mentioned front and back waist zone is coincided, the fixed part that will form on the side portion of correspondence connects in knock-down mode, thereby realizes dress.

Under above-mentioned prerequisite, the invention is characterized in: the fixed part that constituting when overlapping in the said fixing portion forms on the hemmed inner face of above-mentioned side portion in the outside by fixing top and fixedly the bottom form, said fixing top is connected by fixed intermediate portion with fixing bottom, this fixed intermediate portion is positioned near above-mentioned diaper is divided into two-part centrage one side in the left and right sides, forms the part of this fixed part; Be positioned at the lateral border of above-mentioned side portion flanging near the said fixing pars intermedia at outer side edges place, on said fixing, the lateral border of bottom is the crooked 5mm in side at least inwardly, between the lateral border of hemmed outer side edges of above-mentioned side portion and said fixing pars intermedia, the full-size that forms above-below direction is that the on-fixed of 10～30mm scope holds the zone, said fixing portion, by around its width of said fixing portion in 2～10mm scope the 1st outer edge area and above-mentionedly hold the zone that the zone constitutes, and around above-mentioned the 1st outer edge area and above-mentioned hold the zone the 2nd outer edge area between relative stiffness reduce successively.

Description of drawings

Fig. 1 is the perspective view of disposable diaper, wherein partly cut-away;

Fig. 2 is the end view drawing along II-II line among Fig. 1;

Fig. 3 is the amplification view of side portion of an embodiment of diaper.

The specific embodiment

With reference to the accompanying drawings, disposable diaper of the present invention is specifically described.

Disposable diaper by the perspective representation of the partly cut-away of Fig. 1 is opening, it is made of permeance surface layer 2, opaque liquid bottom surface layer 3, absorbency core 4 between above-mentioned two layers 2,3, and this diaper vertically comprises Attacking Midfielder's region 6, low back region 7, crotch region 8 between above-mentioned zone 6,7 along front and back.Surface layer 2, bottom surface layer 3 be partially overlapping of stretching out from the outer rim of sandwich layer 4, and interconnect, thereby form upper limb flanging 11,12, the side portion flanging 13,14 in the zone 6,7 of front and back waist, the trouser legs outer rim flanging 16 of crotch region 8.In each trouser legs outer rim flanging 16 of back upper limb flanging 12 of waistline 7 and crotch region 8, waistline elastic component 17 and trouser legs elastic component 18 and are connected with the inner face of one of them layer with stretching mode between surface layer 2 and inside story layer 3 at least.In the side portion flanging 13 of pro-waistline 6, being provided with its trade name in the outside of bottom surface layer 3 is bracelet (マ ジ ッ Network テ-プ) or splicing tape (バ Le Network ロ) and female parts 21 in the known mechanical type fastener, in the side portion flanging 14 of back waistline 7, face is provided with the male parts 22 in the mechanical type fastener within it.When wearing diaper, along arrow Y direction, the side portion flanging 14 of back waistline is overlapped according to its mode that constitutes the outside with the side portion flanging 13 of Attacking Midfielder's region, the female parts 21 of hero are connected with 22.

In the side portion flanging 14 of low back region 7, be connected with at the inner face of surface layer 2 and strengthen with synusia 23, at the inner face of this synusia 23, be provided with male parts 22A in the top that constitutes male parts 22 and the male parts 22B in bottom along the above-below direction of side portion flanging 14.Male parts 22A in this top and the male parts 22B in bottom are rectangle, this rectangle along the extension size W of waistline direction in the scope of 5～50mm, extension size L along the vertical direction is in the scope of 5～50mm, male parts 22A in above-mentioned top and the male parts 22B in the bottom space D between along the vertical direction is at 10～30mm, and they are positioned at the place, inboard apart from the outer rim 2～10mm of synusia 23.Male parts 22A in top that forms according to size W and D and the position between the male parts 22B in bottom constitute hand-held side portion flanging 14, and the part in the hand-held zone when being fixed in male parts 22 on the female parts 21 here can contact with the finger tip.In the accompanying drawings, in one in the side portion flanging 14 of the left and right sides, represent to hold three fingers 26,27,28 that side portion 14 is worn the caregiver of diaper with imaginary line.

Fig. 2 is the end-view along II-II line among Fig. 1, and side portion 14 is in by finger 26,27,28 the state that holds, and in addition, female parts 21 are represented by imaginary line.When finger 26,27,28 is thumb, forefinger, middle finger, the abdominal part of thumb 26 is between male parts 22A in top and the male parts 22B in bottom, contact with the inner face of side portion flanging 14, the abdominal part of forefinger 27 and middle finger 28 contacts with the outside of side portion flanging 14, thereby can these two parts be pressed from the back side one side of top hero parts 22A and the male parts 22B in bottom.When female relatively parts 21 under this state were pushed male parts 22A in top and bottom hero parts 22B, then female relatively parts 21 connected two male parts 22A, 22B simultaneously.Because two male parts 22A, 22B needn't connect respectively, so can save the time when wearing diaper.

The mode that synusia 23 is taken apart according to the connection repeatedly that can stand between male parts 22 and the female parts 21,14 booster actions of opposite side portion flanging, can improve simultaneously the rigidity of male parts 22 sides, according to mode shown in Figure 2, be easy to side portion flanging 14 is held, and flanging 14 is in flat state substantially along the vertical direction when holding, or is in the case of bending that is the く font a little, and flanging 14 is easy to contact with female parts 21 like this.Because general surface layer 2, good, the softish layer material of bottom surface layer 3 employing feels are also soft by the side portion flanging 14 that they constitute like this, thereby according to flat state shown in Figure 2, comparatively difficult when holding this flanging 14.The effect of synusia 23 is to overcome above-mentioned difficulty.In a preferred embodiment, by synusia 23 is connected with flanging 14, being included in around the width of top hero parts 22A and the male parts 22B in bottom is the scope of 2～10mm, and the rigidity in the zone of the contact site, finger tip that forms between above-mentioned two male parts 22A, 22B is greater than around the rigidity of this regional side area, and is lower than the rigidity of male parts 22A in top and male parts 22B region, bottom.At this moment, the values of stiffness of passing through indent formula fabric feeling method of testing mensuration by scope that centers on the male parts 22A in top, bottom hero parts 22B and the above-mentioned zone that finger contact site, tip constitutes is preferably 1～50g.Because the higher zone of above-mentioned rigidity surrounds by having low inflexible outer edge area, can not cause very strong stimulation to the muscle of user like this.Above-mentioned synusia 23 can adopt materials such as non-woven fabrics, fabric, plastic sheeting, paper.This synusia 23 is connected with the outside of bottom surface layer 3, or inserts between surface layer 2 and the bottom surface layer 3, and it can also be connected with the inner face of one of them layer at least.The mensuration of values of stiffness is specified in " Japanese paper pulp technological associations paper pulp test method " of the distribution of pulp technology association according to indent formula fabric feeling method of testing.

The connection of the side portion flanging 13,14 in the front and back waist zone that coincides can adopt bonding agent to replace the mechanical type fastener of illustrated embodiment.Be adhered on the synusia 23 replacing male parts 22A in top and the male parts 22B in bottom such as, the plastic film that is coated with this bonding agent, can female parts 21 replace being coated with the plastic film of remover.Identical with male parts 22A, 22B, the diaphragm-operated material and the thickness that are coated with bonding agent must be selected according to the inflexible mode that can improve the contact site.

Fig. 3 is the amplification view of the diaper side portion 14 of one embodiment of the invention.In this diaper, the male parts 22A in top, the male parts 22B in bottom near with diaper along the centrage (not shown) place that left and right directions is divided equally, keep continuously by the partial mid portion 31 that constitutes male parts 22.Near the outer rim 14A of flanging 14, the outer rim 31A of middle part part 31 is according to the mode shown in the dimension line B, and among outer rim 32A, the 32B of the male parts 22A in top, the male parts 22B in bottom curves inwardly more than the 5mm relatively.This sweep is positioned at the position of opening towards outer rim 14A, according to the mode shown in the dimension line A, keeps the spacing of 10～30mm between two male parts 22A, the 22B.The inboard of sweep is to expose the on-fixed position of strengthening synusia 23 is arranged.Side portion flanging 14 can contact with thumb as the part of holding the zone of holding this position.When the rigidity of Damxung parts 22 was higher, if in the manner described above, the fastening of the female relatively parts 21 of then male parts 22 and Fig. 1,2 occasion were compared and are more prone to.

In the present invention, each parts except can adopt the heat molten type bonding agent bonding, also can adopt the welding mode to connect.

In disposable diaper of the present invention, because the nurse personnel can disposable operation will be formed at the top and the bottom fixed part fastening of side portion simultaneously, the time of wearing diaper so can be very not long.Particularly, must be in the short period of time give places such as hospital that the old man etc. of many babies or bed wears off diaper, child care institute, the home for the aged the nurse personnel, can alleviate greatly and see that the reason personnel wear the labor intensity that diaper spends.In addition, owing to see that reason personnel's finger tip does not contact with the composition surface of fixture, pain can not felt in its finger tip like this.

Claims (1)

1. disposable diaper, it is made of permeance surface layer, opaque liquid bottom surface layer, absorbency core between above-mentioned two layers, this diaper vertically has Attacking Midfielder's region, low back region, a crotch region between these two zones along front and back, corresponding side portion flanging coincides in the above-mentioned front and back waist zone, the fixed part that will form on the side portion flanging of correspondence connects in knock-down mode, thereby realize dress, it is characterized in that:

The fixed part that constituting when overlapping in the said fixing portion forms on the hemmed inner face of above-mentioned side portion in the outside by fixing top and fixedly the bottom form, said fixing top is connected by fixed intermediate portion with fixing bottom, this fixed intermediate portion forms the part of this fixed part near above-mentioned diaper is divided into two-part centrage one side in the left and right sides; Be positioned at the lateral border of above-mentioned side portion flanging near the said fixing pars intermedia at outer side edges place, from at least inwardly square crooked 5mm of the lateral border of said fixing upper and lower part, between the lateral border of hemmed outer side edges of above-mentioned side portion and said fixing pars intermedia, the on-fixed that the formation above-below direction is of a size of 10～30mm scope holds the zone

Said fixing portion, by around its width of said fixing portion in the scope of 2～10mm the 1st outer edge area and above-mentionedly hold zone that the zone constitutes and reduce successively around the relative stiffness between above-mentioned the 1st outer edge area and above-mentioned the 2nd outer edge area of holding the zone.

Images