JP2005279006A - Spreading type disposable diaper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spreading type disposable diaper which can be appropriately put on a user. <P>SOLUTION: On the back side part 36 of a using surface on which the back side of the user abuts in a worn state, a pair of side flaps 22A and 22B are provided on both outer sides in the width direction A of the back side part 36, and side panels 23A and 23B are further provided on the outer sides in the width direction A of the pair of side flaps 22A and 22B. Two fixing parts 24A and 24B are provided at an interval in a longitudinal direction B orthogonal to the width direction A of the side panels 23A and 23B, and an identification part 30 extended in the width direction A to be a rough indication for putting it on is formed between the two fixing parts 24A and 24B and on the side panels 23A and 23B. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an unfoldable disposable diaper that is worn on the body and absorbs excrement in terms of use. More specifically, the present invention relates to an unfoldable disposable diaper provided with an identification portion serving as a guide for attachment extending in the width direction on a back side portion of a use surface with which a user's back side abuts in a mounted state.

When a caregiver wears a conventional unfoldable disposable diaper on the user, when placing the user's buttocks on the use surface, the placement position is determined based on the caregiver's experience and attached to the user. It was. However, in such a mounting method, the unfolded disposable diaper may not be properly worn by the user. In that case, a gap is created between the unfoldable disposable diaper and the user, and excrement leaks from the gap. There was a problem that.
Therefore, as shown in FIG. 5, an unfolded disposable diaper having an identification part on the use surface is disclosed (for example, Patent Document 1). Specifically, this unfoldable disposable diaper includes a liquid-permeable top sheet 1, a liquid-impermeable back sheet 2, and an absorbent body 3 disposed between the two sheets. A dorsal side portion 6 positioned on the side, an abdominal side portion 8 positioned on the ventral side, and a crotch portion 7 positioned on the crotch are formed. In addition, two fastening tapes 4 for fastening diapers are provided on the left and right side edges of the back side portion 6 respectively. An identification portion 5 is provided along the longitudinal direction B of the diaper at a substantially central portion in the width direction A of the back side portion 6 on the top sheet 1.
JP-A-8-280725

However, although such an identification part 5 makes it easy to place and mount the user at an appropriate position with respect to the width direction A of the unfoldable disposable diaper, It is not easy to place and install in a proper position, and the unfoldable disposable diaper cannot be properly attached to the user, creating a gap between the unfoldable disposable diaper and the user, and excreting from the gap There was a problem that things leaked.
Accordingly, an object of the present invention is to provide an unfoldable disposable diaper that can be appropriately worn by a user.

For this reason, the invention according to claim 1 is an unfoldable disposable diaper that is worn on the body and absorbs excrement on the use surface.
It is characterized in that an identification portion serving as a guide for wearing extending in the width direction is provided on the back side portion of the use surface with which the back side of the user abuts in the wearing state.

  According to a second aspect of the present invention, in the unfolded disposable diaper according to the first aspect, the pair of side flaps includes a pair of side flaps on both sides in the width direction, and the identification portion is provided on the pair of side flaps. It is characterized by being.

  The invention according to claim 3 is the unfoldable disposable diaper according to claim 1, further comprising a pair of side flaps on both outer sides in the width direction of the back side portion, and further on the outer side in the width direction of the pair of side flaps. A side panel provided with a fastening portion is provided, and the identification portion is provided on the side panel.

  According to a fourth aspect of the present invention, in the unfolded disposable diaper according to the third aspect, the side panel is provided with the fastening portions at intervals of 2n (n is a natural number), and the nth fastening portion ( The identification part is provided between the (n + 1) -th fastening part and the fixing part.

  According to a fifth aspect of the present invention, in the developed disposable diaper according to the fourth aspect, a perforation is formed along the identification portion on the side panel.

  The invention described in claim 6 is characterized in that, in the unfolded disposable diaper according to any one of claims 1 to 5, the identification part is formed on the same line.

The invention according to claim 7 is a method of manufacturing a deployable paper diaper that is worn on the body and absorbs excrement on the use surface.
On the back side of the use surface where the user's back side comes into contact with the wearing state, a pair of side flaps are provided on both outer sides in the width direction of the back side,
Further, a side panel is provided on the outer side in the width direction of the pair of side flaps, and two fastening portions are provided at intervals in a longitudinal direction perpendicular to the width direction of the side panel,
A method for manufacturing a developed disposable diaper in which an identification portion serving as a mounting guide extending in the width direction is formed between the two fastening portions and on the side panel,
An identification portion forming step of forming the identification portion on the side panel by printing;
A perforation forming step of providing a perforation on the identification portion formed by the printing.

  According to the first aspect of the present invention, in the deployable paper diaper that is worn on the body and absorbs excrement on the use surface, it extends in the width direction on the back side portion of the use surface with which the user's back side comes into contact in the mounted state. Since it is equipped with an identification section that serves as a guide for wearing, it is easy to position the user in the longitudinal direction perpendicular to the width direction of the unfolded disposable diaper when the unfoldable disposable diaper is worn, and it can be worn appropriately by the user. An unfoldable paper diaper can be provided. As a result, there is no gap between the developed disposable diaper and the user, and leakage of excrement can be prevented.

  According to the second aspect of the present invention, since the pair of side flaps are provided on both sides in the width direction of the back side part and the identification part is provided on the pair of side flaps, the user can be placed on the back side part of the unfoldable diaper. Even after placement, the identification unit is not hidden by the user, and it is easy to mount the developed diaper and the user by appropriately moving the positional relationship between the user and the diaper.

  According to the third aspect of the present invention, a pair of side flaps is provided on both outer sides in the width direction of the back side portion, and a side panel having a fastening portion is provided on the outer side in the width direction of the pair of side flaps. Since the identification unit is provided on the panel, the identification unit is not hidden by the user even after the user is placed on the back side of the deployment diaper. It becomes easy to mount by properly moving the positional relationship.

  According to the fourth aspect of the present invention, the side panel is provided with the fastening portions at intervals of 2n (n is a natural number), and the identification portion is provided between the nth fastening portion and the (n + 1) th fastening portion. For example, when there are two fastening portions on each side panel, the two fastening portions are connected to each other while confirming the relative positional relationship between the user and the developed paper diaper at the identification portion. It is possible to fit and wear by the user by crossing and fastening. Accordingly, it is possible to appropriately attach even to a user of a tassels-type body, and it is possible to provide a developed disposable diaper that does not leak.

  According to the invention of claim 5, since the perforation is formed in the side panel along the identification part, the side panel can be cut along the perforation as necessary, thereby fixing the side panel. A part can be formed long and the effect of Claim 4 can be exhibited more still more. Further, by forming the perforation along the identification portion, the perforation can be easily identified from the side panel.

  According to the sixth aspect of the present invention, since the identification part is formed on the same line, the identification part can be easily identified.

  According to the seventh aspect of the present invention, in the method of manufacturing a deployable paper diaper that is worn on the body and absorbs excrement on the use surface, the back side portion of the use surface with which the user's back side comes into contact with the back side of the use surface. A pair of side flaps are provided on both outer sides in the width direction of the side portion, a side panel is provided on the outer side in the width direction of the pair of side flaps, and two stoppers are provided at intervals in the longitudinal direction perpendicular to the width direction of the side panel. An unfolded type disposable diaper manufacturing method, comprising an attachment portion, and an identification portion serving as a guide for attachment extending in the width direction between the two fastening portions and on the side panel. And forming a perforation on the identification portion formed by printing, so that the identification portion and the perforation are surely overlapped to form a side panel. The formed perforations can be easily identified.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a developed view of a developed disposable diaper according to the present invention. The unfoldable paper diaper includes a back sheet 12 provided with a cutout 40 at a substantially central portion of a long side of a rectangle, a liquid-permeable top sheet 11 formed of a non-woven fabric or a film having a plurality of mesh holes, and the like. And an absorbent body 13 in which a polymer absorbent polymer is dispersed in a cotton-like pulp interposed therebetween. The surface of the absorber 13 is covered with tissue paper 18 for absorption. Furthermore, the absorber 13 includes an upper layer absorber 14 positioned on the top sheet 11 side and a lower layer absorber 15 positioned on the back sheet 12 side.

Further, a three-dimensional gather (not shown) that encloses an elastic member so as to substantially follow both edges in the longitudinal direction B of the absorbent body 13 is provided in the longitudinal direction B, and a gather sheet 26 constituting the three-dimensional gather is formed as a rectangular top sheet. 11 extends on the back sheet 12 on both outer sides of the long side. An elastic member 27 is provided along the longitudinal direction B on both outer sides of the long side of the rectangular top sheet 11 between the back sheet 12 and the gather sheet 26. In this figure, three elastic members 27 are provided on each of the left and right, but the present invention is not limited to this. The elastic member 27 is for fitting around the leg of the user when the unfoldable disposable diaper is properly attached to the user and preventing lateral leakage. In addition, the top sheet 11 becomes a use surface at the time of mounting | wearing.
Thus, the back side part 36 located on the user's back side, the abdomen side part 38 located on the abdomen side, and the crotch part 37 located on the crotch are formed when worn.
A side panel 23A having a pair of side flaps 22A and 22B on both sides in the width direction A of the back side portion 36, and a fastening portion 24 on the outer side in the width direction B of the pair of side flaps 22A and 22B. 23B is provided.

The fastening portion 24 is formed integrally with the free end portion of the panel base material 25, the tip is a knob portion, and an engaging portion made of a male mechanical fastener or the like is provided on the fixed end side of the fastening portion 24. Provide. The engaging portion is fixed by adhering the back surface to the surface of the panel base material 25 with a hot melt adhesive or the like.
In addition, the identification part 30 is provided in side panel 23A, 23B. Specifically, fastening portions 24A and 24B are formed at intervals on the outer sides of the side panels 23A and 23B, respectively, and oval coloring is applied between the fastening portions 24A and the fastening portions 24B. The identification unit 30 is provided on the same line in the width direction A. The identification unit 30 is a guide for wearing at the time of wearing. The identification unit 30 is colored by printing or the like, but the color to be colored is different from the side panels 23A and 23B and is preferably a color that can be easily distinguished.
Further, a pair of side flaps 21A and 21B are provided on both sides in the width direction A of the ventral side portion 38.

When using the developed disposable diaper configured as described above, the user's buttocks are placed on the top sheet 11 which is the use surface of the back side 36. At this time, as shown in FIG. 2, the user is placed so that the lumbar convex portion 39, which is the convex portion of the user's hipbone, is positioned on a line (indicated by a two-dot chain line) connecting the left and right identification portions 30.
Then, the developed paper diaper is folded so that the crotch part 37 is applied to the crotch part of the user, the abdomen side part 38 is placed on the abdomen of the user, and the male mechanical fastener of the fastening part 24 on the back side part 36 Is engaged with the back sheet 12 of the ventral side portion 38 and fixed, and the unfoldable disposable diaper is attached to the user. Accordingly, the back side 36 of the use surface comes into contact with the back side of the user in the mounted state. At this time, the fastening portion 24A is fastened on the upper side of the user's iliac 41, and the fastening portion 24B is fastened at an appropriate position between the user's iliac 41 and the ischial 42. That is, by matching the positions of the identification unit 30 and the hipbone, it is possible to reduce the slippage that occurs when the developed disposable diaper is attached. Moreover, when it mounts | wears as mentioned above, the elastic member 37 fits the user's leg periphery appropriately, and does not produce a clearance gap between a developable paper diaper and a user.

As described above, since the unfoldable disposable diaper of the present invention includes the identification unit 30, it can be easily attached to the user. Moreover, since the identification part 30 is provided in the side panels 23A and 23B, the identification part 30 is not hidden by the user even after the user's buttocks is once placed on the back side part 36 of the developed paper diaper. The relative positional relationship between the unfoldable disposable diaper and the user can be easily changed to an appropriate position.
Note that the fastening portions 24 are not limited to two each on the side panels 23 </ b> A and 23 </ b> B, and may be, for example, one place or even places.
Further, the fastening portion 24 is not limited to be formed integrally with the side panels 23A and 23B. The fastening portion 24 is formed separately from the side panels 23A and 23B and joined to the side panels 23A and 23B. You may make it provide in panel 23A, 23B.
Furthermore, the identification part 30 may be continuously formed linearly as shown in FIG. In this case, the identification unit 30 may be a single line, two lines, three lines or more, or a wavy line. Further, as shown in FIG. 3B, an identification unit 30 may be provided from the side panels 23A and 23B to the side flaps 22A and 22B. Of course, the identification unit 30 may be provided only on the side flaps 22A and 22B.

  The unfolded disposable diaper of the present invention includes two fastening portions 24 on the side panels 23A and 23B at an interval, and an identification portion 30 between the two fastening portions 24 in the width direction A of the unfolded disposable diaper. The perforations may be formed so as to overlap with the identification part 30. Specifically, as shown in FIG. 4A, fastening portions 24A and 24B are provided at intervals in the side panel 23B. And the dotted | punctate identification part 30 is formed in the width direction A of a development type paper diaper between the fastening part 24A and the fastening part 24B. Further, a perforation 31 is formed so as to overlap along the identification portion 30, and a C-shaped cut 32 for preventing tearing toward the inside of the developed paper diaper is formed at the inner end portion thereof. If the tear strength on the inner side, that is, the incision 32 side is lower than the tear strength on the outer side of the side panels 23A and 23B, that is, the fastening portion 24 side, that is, unless the perforation 31 is intentionally torn, The perforation 31 does not inadvertently tear and is more preferable.

  When using the developed disposable diaper configured as described above, the user's buttocks are identified on the top sheet 11 that is the use surface of the back side 36 while being identified by the identification unit 30 in the same manner as in the above usage method. Place it in an appropriate position. Next, the developed paper diaper is folded so that the crotch part 37 is applied to the crotch part of the user and the abdomen side part 38 is placed on the abdomen of the user. Then, according to the user's body shape and the like (particularly in the case of a Yase body shape), the side panels 23A and 23B are cut along the perforations 31 formed in the side panels 23A and 23B. Accordingly, the fastening portions 24A, 24B can be formed long, and when fastening the male fasteners on the back sheet 12 of the ventral side portion 38 by crossing the fastening portions 24A, 24B, It can be fitted to fit the user's waistline.

  As shown in FIG. 4 (b), a perforation 31 is formed so as to overlap along the identification part 30 formed continuously in a straight line, and the inner end of the perforation 31 faces the inside of the developed paper diaper. A C-shaped cut 32 may be formed to prevent any tearing. Also in this case, it can be mounted by the use method as described in FIG. 4A, and the same effect can be obtained.

The top sheet 11 used in the present invention is a liquid-permeable nonwoven fabric, woven fabric, porous plastic film, or the like, and the constituent fibers thereof are single fibers such as polypropylene, polyethylene, polyester, nylon, or polyester, polypropylene, The composite fibers are composed of two or more components such as polyethylene and nylon. Particularly, polyester / polyester, polyester / polyethylene, and polypropylene / polyethylene composite fibers are preferable from the viewpoint of strength, but are not particularly limited.

  The back sheet 12 and the panel substrate 25 used in the present invention are, for example, a liquid impermeable film such as PE (polyethylene), a material obtained by bonding a liquid impermeable film and a nonwoven fabric or a woven fabric, and the like. When using a liquid-impermeable film, a polyethylene film provided with a large number of micropores that do not allow liquid to permeate, and a film with moisture permeability stretched by adding a filler to a thermoplastic resin. Or, if a composite sheet with non-woven fabric or woven fabric bonded to the outside of these films is used, excess moisture in the absorbent pad is released to the outside of the absorbent pad in the form of gas, so that stuffiness and blurring are less likely to occur. The moisture permeability and the touch can be made comfortable. Moreover, you may comprise using a liquid-permeable nonwoven fabric.

  The absorber 13 used in the present invention is made of cotton-like pulp, a superabsorbent polymer (hereinafter referred to as “SAP”), a hydrophilic sheet or the like, and is not particularly limited. Moreover, the absorber used in this invention is made from the well-known absorbent material normally used in the conventional unfoldable paper diaper and other absorbent articles.

  That is, a single layer or multilayer mat in which absorbent fibers such as cotton-like pulp and rayon and SAP are mixed, or one in which SAP is uniformly arranged between layers of absorbent fibers is wrapped with a hydrophilic sheet. The formed one can be used.

As the cotton-like pulp, a chemical pulp sheet or one obtained by defibrating a mechanical pulp sheet with a pulverizer is used. Pulp raw materials are not limited to conifers, but hardwoods, straw, bamboo, and kenaf are also applicable. In addition, waste paper pulp may be used. The amount of use of the cotton-like pulp varies depending on the intended absorber, for example, whether it is used singly, or a plurality of layers are laminated, or another absorbent is used in combination. 600 g / m ² .

  Examples of SAP include starch, cellulose, and synthetic polymer. Namely, starch-acrylic acid (salt) graft copolymer, saponified product of starch-ethyl acrylate graft copolymer, saponified product of starch-methyl methacrylate graft copolymer, saponified product of starch-acrylonitrile graft copolymer Saponified starch-acrylamide graft copolymer, acrylic acid (salt) polymer, polyethylene oxide cross-linked with acrylic acid, cross-linked product of sodium carboxymethyl cellulose, cross-linked product of polyvinyl alcohol-maleic anhydride reaction product, etc. Can be used.

  As a compression method of the absorbent body 13, the absorbent body 13 may be compressed into a continuous surface shape with a roll having a smooth circumferential surface so that the density of the absorbent body is substantially uniform over the entire surface. Depending on the shape of the roll or the like, the density of the absorbent body may be partially different, and it may be compressed so as to be embossed in a pattern arrangement that guides urine and body fluids in the vertical and diagonal directions. In the case of embossing, the compression part and the non-compression part may be either continuous or discontinuous.

  As the gather sheet 26 used in the present invention, a water-repellent nonwoven fabric or woven fabric, a liquid impermeable film such as polyethylene, and a material obtained by bonding the liquid impermeable film to the nonwoven fabric or woven fabric can be used. . When using a liquid-impermeable film, a polyethylene film with a large number of micropores that do not allow liquid molecules to permeate to prevent stuffiness, and a moisture-permeable film that is stretched by adding a filler to a thermoplastic resin A film is preferred.

In the case of using a nonwoven fabric or a woven fabric, the constituent fiber uses a generally known composition such as PP (polypropylene), PE, polyester, PET, nylon, etc. Among them, PET or PP having high strength is preferable. is there. The structure is preferably a single layer, two layers, or two or more layers having a high strength among three or more layers. As the type, air-through, point bond, resin bond, spun bond, SMS, SMMS and the like are used, and among them, a spun bond having higher strength is suitable. The basis weight is more preferably 50 to 70 g / m ^{2 at} which an optimum stiffness can be obtained.

  The elastic member used for the three-dimensional gather and the elastic member 27 are used for normal male absorbent pads of natural, synthetic rubber, urethane, etc., string-like, net-like, flat-shaped, and normal absorbent articles. A stretchable elastic body can be used. The elastic elastic body is placed in a stretched state, and it becomes a water-repellent material by hot-melt, starch-based or water-soluble glue such as CMC (carboxymethylcellulose), high-fluid adhesive, or heat or ultrasonic welding. Bonded and fixed.

The fastening part 24 is provided with an adhesive part such as an adhesive tape in place of the male mechanical fastener, a film-like sheet is provided at an appropriate position on the ventral side part 38 of the back sheet 12, and the adhesive part is provided. The fastening part 24 may be fastened to the back sheet 12 by sticking it to a film-like sheet.
In addition to the identification unit 30, if another identification unit is formed along the longitudinal direction B in the center in the width direction A of the back side portion 36 of the top sheet 11, the user can appropriately wear the developed disposable diaper. It becomes easy.

  In the manufacturing process of the developed disposable diaper described above, an identification portion forming step for forming the identification portion 30 on the side panels 23A and 23B by printing, and a perforation 31 superimposed on the identification portion 30 after the identification portion formation step. And a perforation forming step for providing a cut 32. In this perforation forming step, the control unit controls the perforation 31 and the cut 32 so as not to be shifted from the identification unit 30.

It is a top view of the development type paper diaper of this invention. It is a figure for demonstrating the state which mount | wears a user with the expansion | deployment type | mold paper diaper of FIG. (A), (b) is another example of the identification part with which the developed paper diaper of FIG. 1 is equipped. (A), (b) is the figure which formed the perforation and the notch in piles on the discernment part with which the development type paper diaper of Drawing 1 is equipped. It is a top view of the conventional unfoldable paper diaper.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Top sheet 12 Back sheet 13 Absorber 14 Upper layer absorber 15 Lower layer absorber 18 Tissue paper 21A, 21B, 22A, 22B Side flap 23A, 23B Side panel 24, 24A, 24B Fastening part 25 Panel base material 26 Gather sheet 27 Elastic member 30 Identification part 31 Perforation 32 Notch 36 Dorsal part 37 Crotch part 38 Abdominal part 39 Lumbar convex part 40 Notch 41 Ilium bone 42 Sciatic bone

Claims (7)

In unfoldable disposable diapers that are worn on the body and absorb excrement in terms of use,
An unfoldable disposable diaper, comprising an identification portion extending in a width direction as a guide for attachment on a back side portion of the use surface with which a user's back side abuts in a mounted state.   The unfoldable disposable diaper according to claim 1, further comprising a pair of side flaps on both sides in the width direction of the back side portion, wherein the identification portion is provided on the pair of side flaps.   A side panel provided with a pair of side flaps on both outer sides in the width direction of the back side portion, and further provided with a fastening portion on the outer side in the width direction of the pair of side flaps, and the identification portion on the side panel. 2. The developed disposable diaper according to claim 1, wherein the disposable diaper is provided.   The side panel is provided with the fastening portions at intervals of 2n (n is a natural number), and the identification portion is provided between the nth fastening portion and the (n + 1) th fastening portion. The developed disposable diaper according to claim 3.   The developed disposable diaper according to claim 4, wherein perforations are formed along the identification portion on the side panel.   6. The developed disposable diaper according to claim 1, wherein the identification part is formed on the same line. In a method of manufacturing a deployable paper diaper that is worn on the body and absorbs excrement in terms of use,
On the back side of the use surface where the user's back side comes into contact with the wearing state, a pair of side flaps are provided on both outer sides in the width direction of the back side,
Further, a side panel is provided on the outer side in the width direction of the pair of side flaps, and two fastening portions are provided at intervals in a longitudinal direction perpendicular to the width direction of the side panel,
A method for manufacturing a developed disposable diaper in which an identification portion serving as a mounting guide extending in the width direction is formed between the two fastening portions and on the side panel,
An identification portion forming step of forming the identification portion on the side panel by printing;
And a perforation forming step of providing a perforation on the identification portion formed by the printing.

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