JPH11104167A - Individual package of sanitary napkin, etc. - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a package for individually packaging a sanitary napkin, etc., which can be opened more easily without losing the stability of the packaging ability of the covering sheet of the package with a fastening tape which can be re-used. SOLUTION: This package consists of a covering sheet 2 to package a sanitary napkin, etc., individually and a fastening tape 3 to fasten the opening edge 2a of the covering sheet 2. The adhesive strength of the fastened part at the root of the fastening tape 3 is strong enough to open the side seals at both sides of the package film, so that the package film can be opened by removing the fastening tape 3, but it is characterized in that the adhesive strength (10-400 g/15 mm) of the peeling part at the top of the fastening tape 3 is not so strong to damage the package film.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging tool used for individually packing sanitary products and the like.

[0002]

2. Description of the Related Art Conventionally, for example, as shown in FIG.
Individually wrapped film (2) formed of thin and flexible resin film such as polyethylene, polypropylene, etc.
By wrapping (1) individually, a plurality of sanitary products, etc.
When (1) is packed in a box or a bag as a one-pack, or when individually carried, the storage space is not increased, and the contents are prevented from being stained during carrying. In addition, in order to secure the packaging stability of the individual wrapping film (2) that wraps the sanitary napkin (1) as described above, a fastening tape (3) formed of an adhesive tape as shown in FIG. The opening edge of the individual wrapping film (2) was fastened by using the same, and at the time of opening, the fastening tape (3) was picked up and the individual wrapping film (2) was opened.

However, if the adhesive force of the fastening tape (3) is weakened to increase the releasability of the fastening tape (3) at the time of opening, the fastening tape (3) may come off during handling or may become unusable. Individual wrapping film (2) for disposal of later sanitary goods (1)
When the packaging tape is to be used for fixing with the fastening tape (3), the fastening tape (3) may peel off as shown in FIG. 7 and the fastening may be insufficient. On the other hand, when the adhesive force of the fastening tape (3) is too strong, as shown in FIG.
There is a possibility that the individual wrapping film (2) may be broken without being easily peeled off, and the broken individual wrapping film may become the fastening tape (3).
There is a disadvantage that the fastening tape (3) cannot be reused at the time of disposal because the adhesive tape is adhered and covered. In addition, the above problem is caused by wrapping a sanitary product in an individually wrapping file (2) as shown in FIG.
It was also observed in the case of fastening and packaging in (3). In the case of FIG. 9, a sanitary product is placed on the upper surface of the individually wrapping film (2), and both sides of the individually wrapping film and the sanitary napkin are folded together. It is made to stop at.

[0004]

SUMMARY OF THE INVENTION The present invention improves the opening workability without impairing the packaging stability of an individual wrapping film for individually packing sanitary products, etc., and separates the individual wrapping film following the release of the fastening tape. In addition to the above, it is an object of the present invention to provide an individual wrapping device which can be easily opened, and in which a fastening tape can be reused for wrapping and fastening a used sanitary product or the like with an individually wrapping film. .

[0005]

In order to solve the above-mentioned problems, the present invention adopts a method in which an opening edge of an individually wrapping film for individually wrapping sanitary products or the like is fixed with a fixing tape, and the fixing is performed. The fixing part formed on the base side of the tape is fixed to the surface of the opening edge of the individual wrapping film with hot melt, and the peeling part formed on the tip side is extended outside the opening edge of the individual wrapping film to individually wrap. In individual wrapping products such as sanitary products that are releasably adhered to the film, the adhesive strength of the fastening part at the base side of the fastening tape should be strong enough to open the side seals that seal both sides of the individual wrapping film. In addition, the individual wrapping film can be opened with the fastening tape, and the adhesive strength of the peeling portion on the tip side of the fastening tape is set to a strength that does not damage the individual wrapping film.

Further, the peel strength of the peeling portion on the tip side of the fastening tape with respect to the individual packaging film is 10 to 400 g / 15 mm,
Preferably 40 to 380 g / 15 mm, more preferably 1 to
100 to 250 g / 15 mm.

Further, the adhesive strength at the base of the fastening tape is
The adhesive strength of the side seal of the individually wrapped film is at least equal to, and preferably greater than, the adhesive strength.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
Preferred embodiments of the present invention will be described in detail. still,
1 to 5, parts having the same functions as those of the conventional example shown in FIGS. 6 to 9 are denoted by the same reference numerals, and detailed description thereof will be omitted. Referring to FIGS. 1 to 5, an individual packaging film (2) for individually wrapping a sanitary product or the like (1) is formed of a thin and flexible resin film such as polyethylene or polypropylene. )
(2a) is fixed with a fixing tape (3). Fastening tape
(3) is a fastening part (3a) on the base side that is adhered and fixed to the surface of the opening edge (2a), and a peeling part (3b) on the tip side that extends outward from the opening edge (2a). The packaging stability of the individually wrapped film (2) is ensured by attaching the peeled portion (3b) to the surface of the individually wrapped film (2). Opposite sides of the individually wrapped film (2) are sealed with side seal portions (4), and contain a sanitary article (1). Such individual packaging tools are conventionally known, and the configurations and materials of the individual packaging film (2) and the fastening tape (3) are not particularly limited, and may be any conventionally known configurations and materials. Is also good.

The present invention relates to such an individual packaging device,
The fixing portion (3a) of the fixing tape (3) is fixed to the surface of the opening edge (2a) of the individually wrapping film (2) with hot melt, and the peeling portion is formed.
(3b) is extended outside the opening edge (2a) of the individually wrapping film (2), and the degree of adhesion of the peeling portion (3b) is measured.
(2) Make it strong enough not to break, and use the fastening tape
The bonding strength of the fastening portion of (2) is equal to or greater than the adhesive strength of the side seal (4) of the individual packaging film so that the fastening tape does not come off the individual packaging film when opening. It is characterized by. When performing the hot melt, as shown by shading in FIGS. 1 and 2, a hot melt adhesive is applied to the fastening portion (3a) of the fastening tape (3) to form the individual wrapping film (2). After bonding and fixing to the surface of the opening edge (2a), the hot melt adhesive is heated and melted by a conventionally known appropriate means to obtain a predetermined adhesive strength.

As shown in Table 1, the bonding strength of the fastening portion (3a) of the fastening tape (3) is higher when reinforced by hot melt than when it is not reinforced. The hot melt was coated with 0.005 g in an area of 1 mm x 10 mm. However, the adhesive strength can be adjusted by increasing or decreasing the coating area or the coating amount. Adjust to obtain the required adhesive strength. Peeling part of fastening tape (3)
The adhesive strength of (3b) is a strength that does not break the individual packaging film (2), and is 10 to 400 when the tape width is 15 mm.
g / 15 mm, preferably 40-380 g / 15 mm, most preferably 100-250 g / 15 mm. When the adhesive strength is lower than 10 g, the re-adhesive strength becomes insufficient, so that the used sanitary goods (1) cannot be fixed with the fixing tape (3) when wrapped in the individual film and discarded. .
If it is higher than 400 g, the individual wrapping film may be broken when the fastening tape is peeled off. Fastening tape
The adhesive strength of the fastening part (3a) of (3) is the individual packaging film (2)
Is set at least equal to the sealing strength of the side seal portion (4), and preferably higher than the sealing strength of the side seal portion (4). The adhesive strength of the side seal part (4) is 5 to
The amount was 400 g / package, and the measured value was 10 to 300 g / package.

[0011]

[Table 1]

When taking out the packaged sanitary goods (1), as shown in FIG. 3, the peeling portion (3b) of the fastening tape (3).
While peeling off with a fingertip or the like, the peeling portion (3b) is pinched, the side seal portion (4) is broken, and the individual wrapping film (2) is opened. At this time, the hot melt adhesive was not applied to the peeling portion (3b) of the fastening tape (3),
Since it is only attached to the individual packaging film (2) by the adhesive force of the adhesive applied to the back surface of (3),
Although the peeling part (3b) can be easily peeled off, the fastening part (3a) does not come off from the individual wrapping film (2).

[0013] Therefore, the adhesion of the fastening tape (3) is increased more than necessary so that the fastening tape can be opened or opened.
There is no need to avoid detachment of (3), and it is possible to prevent tearing of the individual wrapping film (2), which is a concern at the time of peeling of the peeling portion (3b). Therefore, the fastening portion of the fastening tape (3)
(3a) and the peeling part (3b) are separately coated with the adhesive, and both parts (3a)
There is no need to vary the adhesive strength of (3b), and fastening tape
(3) It is possible to avoid an increase in manufacturing cost.

When the fastening portion (3a) of the fastening tape (3) is fixed by hot melt, usually, as shown by shading in FIG. 4, a portion of the fastening portion (3a) is fixed. A hot melt adhesive may be applied and adhered to the opening edge (2a) of the individual wrapping film (2), but as shown by hatching in FIG.
A hot-melt adhesive may be applied to the entire surface of a) to increase the bonding area, or an individually wrapped film
A hot melt adhesive may be applied to the opening edge (2a) side of (2), and the fastening portion (3a) of the fastening tape (3) may be attached to this applied portion.

[0015]

According to the individual wrapping device for sanitary napkins and the like according to the present invention, a fastening tape having an appropriate adhesive strength which does not impair the releasability can be adhered to the opening edge of the individual wrapping film with a sufficient adhesive strength. In spite of being able to avoid the peeling off of the fastening tape seen during handling etc. and improve the packaging stability, it is possible to avoid tearing of the individually wrapped film which is a concern at the time of opening, and the fastening tape Can be reused.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a packaging state of an individual wrapper for a sanitary product or the like according to the present invention.

FIG. 2 is an external perspective view showing another packaging state of an individual packaging tool for a sanitary product or the like according to the present invention.

FIG. 3 is an external perspective view showing an opened state of an individual wrapping device such as a sanitary product according to the present invention.

FIG. 4 is a rear view of the fastening tape showing a hot melt adhesive application area.

FIG. 5 is a rear view of a fastening tape having one deformation of a hot melt adhesive application area.

FIG. 6 is a perspective view at the time of opening showing a conventional example of an individual packaging tool such as a sanitary product.

FIG. 7 is a perspective view showing a state of disposing of individual packaging tools such as sanitary products.

FIG. 8 is a perspective view at the time of opening showing another conventional example of an individual packaging device such as a sanitary product.

FIG. 9 is a perspective view showing still another conventional example of an individual method appliance such as a sanitary product.

[Explanation of symbols]

 (1) Sanitary goods etc. (2) Individually wrapped film (2a) Opening edge (3) Fastening tape (3a) Fastening part (3b) Peeling part (4) Side seal part

Claims (5)

[Claims] 1. An opening edge of an individually wrapping film for individually wrapping a sanitary product or the like is fastened with a fastening tape, and a fastening portion formed at a root side of the fastening tape is a surface of the opening edge of the individually wrapping film. In the case of individual wrapping products such as sanitary products, which are fixed by hot melt to the outside and the peeling part formed on the tip side is extended to the outside of the opening edge of the individual wrapping film and peelably adhered to the individual wrapping film, The adhesive strength of the fastening portion on the base side of the base is set to a strength enough to open the side seals that seal both sides of the individual packaging film, and the fastening tape enables the individual packaging film to be opened, and the fastening tape An individual packaging device for sanitary products or the like, characterized in that the adhesive strength of the peeling portion on the tip side of the product is such that the individual packaging film is not damaged. 2. The individual packaging device according to claim 1, wherein the peeling strength of the peeling portion on the tip side of the fastening tape with respect to the individual packaging film is 10 to 400 g / 15 mm. 3. The individual wrapping device according to claim 1, wherein the peeling strength of the peeling portion on the tip side of the fastening tape with respect to the individual wrapping film is 40 to 380 g / 15 mm. 4. The individual wrapping device according to claim 1, wherein the peeling strength of the peeling portion on the tip side of the fastening tape with respect to the individual wrapping film is 100 to 250 g / 15 mm. 5. The method according to claim 1, wherein the adhesive strength at the base side of the fastening tape is at least equal to, and preferably greater than, the adhesive strength of the side seal of the individually wrapping film. Individual packaging.