JP4023960B2 - A disposable diaper with a front seat - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a disposable diaper which is adapted to mount with a removable surface fastener performing the engagement between the hook elements and the hook accepted elements (typically referred to as Velcro fastener (registered trademark) or Magic Tape (registered trademark)) .
[0002]
[Prior art]
Generally, as a tape fastener when a paper diaper is attached to a wearer, a tape fastener using an adhesive is mainstream. The diaper cover is connected with the above-mentioned hook-and-loop fastener. When this hook-and-loop fastener is used, it can be attached and detached many times, which is convenient.
[0003]
In contrast, tape fasteners with adhesive are fixed on both sides of the paper diaper, the front sheet is fixed with a large area on the back sheet surface on the stomach side of the paper diaper, and the tape fastener is fastened to the front sheet. A structure having a structure that allows the mounting position to be readjusted is widely used.
[0004]
In this case, for the convenience of the fastening position of the tape fastener, a mark formed by printing at intervals in the abdomen direction of the front tape is known.
[0005]
[Problems to be solved by the invention]
Although the tape fastener with adhesive on the front seat has the advantage that the mounting position of the tape fastener can be adjusted, it is once peeled off after wearing and confirmed whether there is urination When fixing to the front sheet again, the adhesive strength of the adhesive decreases. Furthermore, since the diaper for adults having a large area, for example, depends on the adhesive strength by the pressure sensitive adhesive originally, the strength is insufficient and peeling is likely to occur.
[0006]
In this regard, when a hook-and-loop fastener is used, a large engagement strength can be obtained, and the engagement strength does not decrease even when the attachment and detachment are repeated.
[0007]
However, when a hook-and-loop fastener is used instead of the front tape, the mark cannot be formed.
[0008]
Therefore, an object of the present invention is to use a hook-and-loop fastener tape as a fastening means of a paper diaper, and to form a mark of a fastening position.
[0009]
[Means for Solving the Problems]
The invention of claim 1 wherein resolving the above problem, using a surface fastener according to the combination of the hook receiving element having a hook element and this and detachably relationship, one of the surface fastener on both sides of the paper diaper dorsal In a paper diaper that fixes the other element, fixes the other element to the ventral side, and serves as a fixing means when worn on the wearer,
In the installation position of the other element, a printing film on which the mark of the fastening position of the one element is printed on the outer surface side is fixed to the back sheet of the paper diaper,
The other element is a transparent or translucent sheet-like hook receiving sheet, which is laminated by thermally welding the hook receiving sheet on the printing film, and from the outside of the printing film via the hook receiving sheet . A paper diaper having a fastening front seat, wherein the mark is visible.
[0010]
Invention of Claim 2 is a paper diaper which has the front sheet | seat for fixation of Claim 1 in which the said printing film is being fixed to the said back sheet with the hot-melt-adhesive agent.
[0011]
In the following description of the present invention, the "hook element" and "hook accepted elements", without have hooks reversed les-shape, may have a mushroom-like shape, and the hook accepted looped Instead, it may be in any shape as long as it is shaped like an inverted J and entangled with the hook. The point is that it may be any material that is mechanically detachable (removable) by entanglement (generally referred to as a hook-and-loop fastener), such as an adhesive, etc.
[0012]
In the present invention, the other element (hook receiving sheet) is transparent or translucent, and since it is laminated on the print film by heat welding, the mark of the print film can be visually recognized from the outside through the other element, The wearer can select the fastening position according to the mark, and can perform the fastening work easily and accurately.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to embodiments shown in the drawings.
[0014]
FIGS. 1 to 4 show the first embodiment. The main body of the paper diaper is composed of a liquid-permeable top sheet 1 made of a nonwoven fabric or the like on the front surface (surface that contacts the skin), a polyethylene sheet on the back surface, or the like. The liquid impervious backsheet 2 and the absorbent body 3 made of cotton-like pulp or the like interposed between them leaving the peripheral portion as a flap portion are used as basic constituent elements. If necessary, one or a plurality of elastic elastic members 4A are provided adjacent to the absorber 3 around the legs. An elastic expansion / contraction member 4B for preventing front / rear leakage is provided at the front / rear ends as necessary.
[0015]
Although this type of disposable diaper body is known, as shown in FIG. 6, in the present invention, one element of a hook-and-loop fastener, for example, a hook receiving element in which a number of loops 5a protrude from the base material 5b is provided on the outer surface of the abdomen S. hook receiver sheet (viewed from accepted sheets) 5 constituting the, fixed by liquid-impermeable back sheet 2 as a so-called front seat.
[0016]
On the other hand, another element of the hook-and-loop fastener is fixed to both sides of the back B. In the embodiment, both sides of the back B fold are constituted by the back sheet 2 and the top sheet 1, and the main tape member 6 protrudes outward from the side edge of the surface of the back sheet 2 from, for example, the adhesive layer 6A. The sub tape member 7 is provided between the surface of the top sheet 1 and the inner surface side of the main tape member 6 straddling the side edge thereof, for example, both ends are fixed by the adhesive layer 7A.
[0017]
A hook sheet 8 constituting a hook element of a hook-and-loop fastener is fixed to an inner surface side portion of the main tape member 6 where the sub tape member 7 is not present, for example, by an adhesive layer 8A. The hook sheet 8 is obtained by implanting a large number of hook pieces 8a on a base material 8b, and the hook pieces 8a are in a detachable relationship with the loop 5a. Further, the hook sheet 8 is preferably provided on the inner side from the front end of the main tape member 6 so that the front end is left as a photographing part.
[0018]
On the other hand, as shown in FIG. 4, when not attached, the main tape member 6 is folded inside the product, and at that time, the hook sheet 8 is a part of the sub tape member 7, Alternatively, as shown in FIG. 5, at a position exceeding the entire sub-tape member 7, the fibers of the top sheet 1 made of a nonwoven fabric are engaged with each other in a detachable manner.
[0019]
In such a paper diaper, after the main tape member 6 having the hook sheet 8 and the sub tape member 7 are attached to the paper diaper body, the main tape member 6 is folded inside the paper diaper as shown in FIG. The hook sheet 8 is entangled and engaged with the fibers of the top sheet 1 made of non-woven fabric at a position beyond a part of the sub tape member 7, and the manufacturing process is further advanced.
[0020]
When the paper diaper is attached, the tip of the main tape member 6 is picked, the hook sheet 8 is peeled off from the top sheet 1, the extending portion is brought to the ventral side S, and the hook sheet 8 is stacked on the hook receiving sheet 5. By this superposition, each hook piece 8a is entangled with each loop 5a, and the front and back of the paper diaper are joined.
[0021]
When confirming the presence or absence of urination and redoing the attachment, the extension portion of the hook sheet 8 may be peeled off from the hook receiving sheet 5 and recombined.
[0022]
In the above embodiment, the hook sheet 8 is fixed to the main tape member 6 with the adhesive 8A. However, the base material 8b of the hook sheet 8 is thermally bonded to the main tape member 6 without using the adhesive layer 8A. It can also be fixed.
[0023]
A plurality of hook sheets 8 may be provided at intervals along the longitudinal direction of the main tape member 6. As shown in FIGS. 1 and 2, two fastener tapes for the main tape member 6 and the sub tape member 7 having the hook sheet 8 are provided on one side of the paper diaper. Depending on (or depending on the application such as for infants), one or more may be used.
[0024]
Now, in the present invention, as shown in a cross section in FIG. 6 , the hook receiving sheet 5 constituting the hook receiving element in which a large number of loops 5 a protrude from the base material 5 b is fixed to the liquid-impermeable back sheet 2. In this case, instead of directly fixing the sheet 5 subjected hook impermeable back sheet 2, in position to secure the full click receiving sheet 5, mark 9 of the fixing position of the hook sheet 8 is the outer face side The printed film 10 printed on the sheet is fixed to the liquid-impermeable back sheet 2 with, for example, a hot melt adhesive 11, and the hook receiving sheet 5 is thermally welded onto the printed film 10 (a heat-welded layer is denoted by reference numeral 12). ) Stack and integrate.
[0025]
Here, the hook receiving sheet 5 is transparent or translucent so that the mark 9 can be seen from the outside. Thus, the mark 9 is visible from the outside via the hook receiving sheet 5, and the fastening position of the hook sheet 8 can be selected according to the mark 9.
[0026]
The mark 9 can be displayed by numbers, marks, color-coded bands, lines, or the like. In the above embodiment, the hook element is provided on the back side of the disposable diaper and the hook receiving element is provided on the belly side. Moreover, as shown in FIG. 7 , you may arrange | position the hook receiving sheet | seat 5 corresponding to the stomach side individually.
[0027]
【The invention's effect】
As described above, according to the present invention, the hook-and-loop fastener tape is used as the fastening means of the paper diaper, so that the mark of the fastening position can be formed, and the fastening work is facilitated.
[Brief description of the drawings]
FIG. 1 is a perspective view of a disposable diaper mounted state.
FIG. 2 is a development view of a product.
FIG. 3 is a cross-sectional view of a main part in a state where a fastener tape is peeled off.
FIG. 4 is a cross-sectional view of a main part in a state where a fastener tape is temporarily fixed.
FIG. 5 is a cross-sectional view of a main part in a state where a fastener tape of another example is temporarily fixed .
FIG. 6 is a cross-sectional view of a front seat.
FIG. 7 is a perspective view of a state in which the disposable diaper according to another embodiment is mounted.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Liquid-permeable top sheet, 2 ... Liquid-impermeable back sheet, 3 ... Absorber, 5 ... Hook receiving sheet, 6 ... Main tape member, 7 ... Sub tape member, 8 ... Hook sheet, 9 ... Mark, 10 ... printed film, 11 ... hot melt adhesive, 12 ... heat-welded layer.

Claims (2)

Using a surface fastener according to the combination of the hook receiving element having a hook element and this and detachably relationship, one of the elements of the surface fastener is fixed to both sides of the paper diaper dorsal, the other elements in the ventral In paper diapers that are fixed and used as a fixing means when worn on the wearer,
In the installation position of the other element, a printing film on which the mark of the fastening position of the one element is printed on the outer surface side is fixed to the back sheet of the paper diaper,
The other element is a transparent or translucent sheet-like hook receiving sheet, which is laminated by thermally welding the hook receiving sheet on the printing film, and from the outside of the printing film via the hook receiving sheet . A disposable diaper having a fastening front sheet, wherein the mark is visible. The paper diaper having a front sheet for fastening according to claim 1, wherein the printed film is fixed to the back sheet with a hot melt adhesive.

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