JPH11321942A - Packaging bag for wet tissue - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging bag for wet tissue, excellent in self-supporting properties, convenient for use at the time of using the packaging bag, small in the quantity of plastic to be used, and also excellent in economy and waste suitability after use. SOLUTION: A packaging bag 11 having a shape in which a gusset pouch type packaging bag is upset sideways at 90 degrees or, in other words, a shape in which gusset portions on both sides are used for a top face and a bottom face, is used for a main body portion of the packaging bag, and an opening portion formed by cutting is provided at a central part of the gusset portion 12 on the top face. An inner lid 50 provided with a take-out mouth in the form of a cross-shaped slit or the like, capable of, for example, automatically cutting withdrawn wet tissue in the length of each use unit and holding a leading part of the remaining wet tissue, is joined to the circumferential edge of the opening portion so as to seal the opening portion. An outer lid 60 capable of reclosing the take-out mouth is provided on the inner lid 50, thus constituting a packaging bag 100 for wet tissue.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wet tissue packaging bag and, more particularly, to a wet tissue packaging suitable for use in rolls. The present invention relates to a wet tissue packaging bag having excellent disposal suitability.

[0002]

2. Description of the Related Art Conventionally, folded wet tissues are packaged in a plastic molded container or in a combination of an inner bag and a carton. However, in most cases, a roll-shaped wet tissue is packaged using a plastic molded container in which a container body formed by blow molding and an inner lid and an outer lid having a slit-shaped outlet by injection molding are combined. .

[0003]

Although such a plastic molded container has the advantages of being rigid and easy to use, it uses a large amount of plastic and is bulky when discarded after use. There is an unfavorable aspect in terms of its disposability and environmental issues, such as the need for incineration
There was a disadvantage that the cost was high and the economy was disadvantageous.

[0004] The present invention has been made to solve such problems, and it is an object of the present invention to improve productivity and usability, to use a small amount of plastic, and to dispose of the plastic after use. Another object of the present invention is to provide a wet tissue packaging bag which is not bulky, has little effect on the environment due to incineration treatment, is low in cost, and is economical.

[0005]

The above objects can be attained by the present invention described below. That is, the invention described in claim 1 is a wet tissue packaging bag obtained by heat-sealing a laminated film mainly composed of plastic in a bag shape, and an opening is provided in a part of the packaging bag. A packaging bag for a wet tissue, characterized in that the opening is provided with an inner lid having a take-out opening having a function of holding the pulled-out wet tissue, and an outer lid capable of re-closing the take-out opening. Consists of

[0006] The function of holding the wet tissue at the outlet of the inner lid is such that the size and shape of the outlet provided on the inner lid are narrow so as to cause resistance when pulling out the unit of use wet tissue from the outlet, and It can be provided by providing a shape having a protrusion toward the center of the outlet.

[0007] With this configuration, when using the wet tissue stored in the packaging bag, first,
Opening the outer lid, picking out the top of the wet tissue held in the outlet of the inner lid and pulling it out, the wet tissue is cut naturally by the unit length used due to the resistance generated between the wet tissue and the outlet And
Taken out. At this time, the front end of the wet tissue of the next unit to be used is held in a state of slightly protruding from the outlet, and does not sink inside, so that it can be prepared for the next use. Then, by closing the outer lid, resealing can be performed. Therefore, the internal wet tissue can be used satisfactorily without drying without drying.

[0008] Such a packaging bag has an inner lid and an outer lid,
Even if a plastic molded body is used, compared to a plastic molded container, the amount of plastic used can be significantly reduced, the usability can be maintained well, and it is not bulky after use and is disposed of by incineration or landfill. It is easy to process as a product, has little effect on the environment, and is economical.

According to a second aspect of the present invention, there is provided the wet tissue packaging bag according to the first aspect, wherein the inner lid and the outer lid are formed of an integrally molded plastic body.

By adopting such a configuration, in addition to the operation and effect of the invention described in the first aspect, the inner lid and the outer lid are connected in a hinge shape by a thin portion, for example, or a string is provided. Since the connection can be made by providing a connection portion having a shape, it is possible to prevent the outer lid from being dissipated during use, and to improve the convenience in use. Further, since it is not necessary to separately form and combine the inner lid and the outer lid, the process can be simplified.

[0011] In the invention described in claim 3, the inner lid is
2. The wet tissue packaging bag according to claim 1, wherein the outer tissue is formed of a plastic molded body, and the outer lid is formed of an adhesive seal material.

By adopting such a configuration, in addition to the functions and effects of the invention described in claim 1, the outer lid can be
For example, since it is possible to use an adhesive seal lid based on a film, it is not necessary to use a plastic molded body, and it is possible to reduce the amount of plastic used while maintaining the resealability of the take-out port. Disposability can be further improved.

According to a fourth aspect of the present invention, the inner lid and the outer lid are detachably and removably provided on the packaging bag. It is a packaging bag for wet tissue.

As a method of providing the inner lid and the outer lid in the packaging bag so as to be detachable and re-attachable, for example, an adhesive treatment is applied to a joint portion of the inner lid such as a flange portion with the packaging bag so that the inner lid and the outer lid can be detached. It can be implemented by sticking to the periphery of the opening of the packaging bag.

By adopting such a configuration, the inner lid and the outer lid after use can be reused in addition to the functions and effects of the invention described in any one of the first to third aspects. That is, a packaging bag for a new wet tissue, an opening was provided in the bag, and the wet tissue was sealed and packaged in a bag in which the opening was sealed with an adhesive seal lid or a film lid processed with an easy peel heat sealant. Supply in the form, at the time of use, the adhesive seal lid, or peel the easy peel film lid to open the opening, the opening, the inner lid and outer lid peeled from the used packaging bag, The inner lid can be reused by sticking it using the processed adhesive. By reusing the inner lid and the outer lid as described above, the amount of plastic used can be further reduced, and the suitability for disposal after use can be further improved.

According to a fifth aspect of the present invention, the packaging bag is a gusseted pouch-type packaging bag, and the inner lid and the outer lid are provided in the gusset portion. It is a packaging bag of the wet tissue according to any one of 1 to 4.

Gusset pouch-type packaging bags are usually provided with the gusset portions on both sides of the packaging bag. In this configuration, the gusset portions are used so that the gusset portions are located above and below the packaging bag, ie, the top and bottom surfaces. An opening is provided in the top surface, and the inner lid and the outer lid are attached to the opening.

By adopting such a configuration, both the top surface and the bottom surface can be formed in a flat plane without a heat seal portion in the center, and the flat bottom surface further enhances the self-sustainability of the packaging bag. It improves the appearance and usability as well. In addition, since the inner lid and the outer lid can be attached to the center of the top surface, the roll-shaped wet tissue can be easily pulled out directly from the core side to improve the appearance and usability. An even better packaging bag can be provided.

According to a sixth aspect of the present invention, the wet tissue is in the form of a roll.
It is a packaging bag for wet tissues according to any one of claims 1 to 5, and the packaging bag for wet tissue of the present invention can be suitably used for roll-shaped wet tissue.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention, such as a film used for manufacturing a wet tissue packaging bag of the present invention, and a structure of an inner lid and an outer lid will be described. First,
As the film used for the main body portion of the packaging bag of the wet tissue of the present invention, a laminated film mainly composed of plastic is used, but is not particularly limited, and is used, for example, for a packaging bag of contents containing moisture and the like. Any known laminated film can be used. As a representative example of the laminated film that can be preferably used, the following configuration can be mentioned.

(1) OPP film / adhesive layer / LDPE layer (sealant layer) (2) OPP film / adhesive layer / L·LDPE layer (sealant layer) (3) OPP film (PVDC coat layer) / adhesive layer / L
・ LDPE layer (sealant layer) (4) OPP film / adhesive layer / aluminum foil / adhesive layer / L ・ LDPE layer (sealant layer) (5) OPP film / adhesive layer / EVOH layer / adhesive layer / L
・ LDPE layer (sealant layer) (6) PET film / adhesive layer / LDPE layer (sealant layer) (7) PET film / adhesive layer / L ・ LDPE layer (sealant layer) (8) PET film (PVDC coat layer) / Adhesive layer / L
・ LDPE layer (sealant layer) (9) PET film (silica vapor-deposited layer or alumina vapor-deposited layer) / adhesive layer / L ・ LDPE layer (sealant layer) (10) PET film / adhesive layer / aluminum foil / adhesive layer / L ・LDPE layer (sealant layer) (11) PET film / adhesive layer / EVOH layer / adhesive layer / L
・ LDPE layer (sealant layer) (12) ON film / adhesive layer / LDPE layer (sealant layer) (13) ON film / adhesive layer / L ・ LDPE layer (sealant layer) (14) ON film (PVDC coat layer) / Adhesive layer / L ・
LDPE layer (sealant layer) (15) ON film (silica deposited layer or alumina deposited layer)
/ Adhesive layer / L ・ LDPE layer (sealant layer) (16) ON film / Adhesive layer / Aluminum foil / Adhesive layer /
L ・ LDPE layer (sealant layer) (17) ON film / adhesive layer / EVOH layer / adhesive layer / L ・
Examples thereof include an LDPE layer (sealant layer). However, the present invention is not limited thereto, and a laminated film having various configurations (combinations of materials) can be used.

In the above description, the OPP film is a biaxially oriented polypropylene film, the PET film is a biaxially oriented polyethylene terephthalate film, the ON film is a biaxially oriented nylon film, LDPE is low-density polyethylene, and L / LDPE is linear Density polyethylene, P
VDC indicates polyvinylidene chloride and EVOH indicates a saponified ethylene-vinyl acetate copolymer.

Further, an LDPE layer, an L / LDPE layer, an EV
The OH layer may be laminated by laminating a film formed in advance by a known dry lamination method using an adhesive, and each resin is coated with an anchor coat (a kind of primer coat) on a laminated surface. After performing such pretreatment, the layers may be laminated by an extrusion coating method.
Therefore, the portion indicated as an adhesive layer in the structure of the laminated film is an adhesive when laminated by a dry lamination method, and becomes an anchor coat agent when laminated by an extrusion coating method.

In the construction of the laminated film, OP
P film, PET film, and ON film provide mechanical strength and printability to packaging bags as a base film,
An aluminum foil, a PVDC coat layer, a silica-deposited layer, an alumina-deposited layer, an EVOH layer, and the like are laminated particularly when gas barrier properties are required.

As the sealant layer, LDPE
And two examples of L-LDPE, L-LDP
E is excellent in heat seal stability and content resistance, for example, stress cracking resistance to a surfactant. In addition to the above, the sealant layer is made of polypropylene (unstretched), ethylene / α-olefin copolymer, ethylene / vinyl acetate copolymer, ethylene / acrylic acid copolymer, ethylene / acrylic ester copolymer, ionomer, polyester A system resin or the like can be used.

In particular, an ethylene / α-olefin copolymer obtained by polymerization using a metallocene catalyst has a narrow molecular weight distribution and a stable copolymerization ratio, and therefore has a low-temperature heat sealing property and a hot sealing property. It is suitable for a sealant layer of a pouch having a step due to a difference in film overlap with a heat seal portion such as a gusset pouch in that a pinhole due to a missing seal can be prevented. Furthermore, by using a blend of the copolymer and an olefin elastomer, the heat fluidity of the sealant layer is improved, and the generation of pinholes due to the step can be more effectively prevented.

Next, a description will be given of an inner lid with a take-out opening attached to the opening of the wet tissue packaging bag of the present invention, and an outer cover for closing the take-out opening. The inner lid is
It is attached to the opening provided in a part of the upper part of the packaging bag and holds the top part so that the wet tissue stored inside can be easily taken out, and cuts out the pulled-out wet tissue to the unit length used It has a take-out opening that performs the function of holding down when performing.
Therefore, the material needs to have water resistance and moderate rigidity, and is preferably formed of a molded article by plastic injection molding or the like. The size and shape of the take-out opening provided in the inner lid are not particularly limited, but a holding function for automatically cutting out the drawn wet tissue at the unit length used and a function of the wet tissue remaining after cutting. It is necessary to have a holding function to hold the head so that it does not sink into the inside. For this purpose, when pulling out the wet tissue, it is narrow enough to cause resistance, and it has a cross shape and star shape It is preferable to have a shape having a projection toward the center as shown in FIG.

The outer lid is provided to close the outlet provided in the inner lid and to prevent drying of the wet tissue stored in the packaging bag. It is necessary to repeat the opening and closing each time, and it is preferable that the opening and closing operations are as simple as possible. Therefore, the outer lid may be, for example, a screw-type cap that is separate from the inner lid, but a one-touch type cap formed of an integrally molded plastic body hinged to the inner lid and a thin-walled portion is opened and closed. The operation is simple and more preferable. In particular, when importance is placed on the suitability for disposal after use and economy, etc., an adhesive seal lid using a film as a base material can be used.

The inner lid may be attached to the packaging bag by, for example, a method of completely bonding it so that it cannot be removed by thermal bonding, or a method of detachably attaching it by using an adhesive. be able to.
That is, when the inner lid and the outer lid are disposable in a single packaging bag, there is no need to remove the inner lid and the outer lid may be firmly and completely adhered. It is formed by molding with a resin that can be thermally bonded to the sealant layer, inserted into the opening of the packaging bag from the inside, and thermally bonded between the upper surface of the flange portion of the inner lid and the sealant layer at the periphery of the packaging bag opening. Can be attached. The material of the inner lid is, for example,
When the sealant layer of the packaging bag is polyethylene, polyethylene may be used, and when the sealant layer is polypropylene, polypropylene can be used. In addition, apply a heat sealant to the outer surface of the periphery of the opening of the packaging bag, place the inner lid on top of it, and heat seal the lower surface of the inner lid flange and the heat sealant-applied surface. Can also.

When the inner lid and the outer lid are used in one packaging bag and then attached to another packaging bag for reuse,
For example, the inner lid and the packaging bag can be bonded by using an adhesive to removably bond the inner lid and the packaging bag. Specifically, for example, an adhesive is applied to the periphery of the lower surface of the flange portion of the inner lid, and the adhesive is attached to the periphery of the opening of the packaging bag, so that it can be removed and re-attached. it can.

In the present invention, the form of the main body portion of the packaging bag, that is, the form of the bag itself is not particularly limited. For example, various forms such as a three-sided seal type, a pillow pouch type, a gusset pouch type, and their modified types are available. Can be adopted. However, among these, the gusset pouch-type packaging bag, which is laid down at 90 ° C., that is, the gusset portion is used so that the gusset part becomes the top surface and the bottom surface, the top surface and the bottom surface are folded. Because it can be formed on a flat film surface with no parts, it is easy to attach the inner lid with a take-out opening, and because the position of the take-out opening can be located at the center of the top surface, taking out the wet tissue This is particularly suitable because it has many advantages such as improved self-support of the packaging bag.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below more specifically with reference to the drawings. However, the present invention is not limited to these drawings. Further, the same reference numerals are used for the parts having the same names in different drawings.

FIGS. 1, 2 and 3 are perspective views showing the structure of an embodiment of the inner lid and the outer lid attached to the wet tissue packaging bag of the present invention. (B) is a perspective view showing a shape when the outer lid is opened, and (b) is a perspective view showing a shape when the outer lid is opened.

The inner lid 50 and the outer lid 60 shown in FIGS. 1A and 1B are both integrally formed.
The inner lid 50 and the outer lid 60 are hingedly connected to one end of the substrate 1 of the inner lid by a connecting portion 7 provided with the thin portion 6. The inner lid 50 is provided with a cross-shaped outlet 2 in the center of the flat substrate 1. The inner lid 50 is fitted on the outer cover on the substrate 1 so as to surround the outlet 2 and closes the outlet 2. Is provided. Outer lid 6
Reference numeral 0 denotes a cover plate 4 and a tubular body 5 provided on the inner surface side and fitted to the outer periphery of the tubular body 3 of the inner cover. That is, although not shown in the drawing, the inner lid 50 and the outer lid 60
Small ridges are provided on the outer peripheral surface of the cylindrical body 3 of the inner lid and the inner peripheral surface of the cylindrical body 5 of the outer lid, respectively. When the outer lid 60 is closed, both ridges cross over each other. It fits by fitting.

The inner lid 50 and the outer lid 60 are coated with an adhesive or a heat sealant on the inner peripheral edge of the substrate 1 of the inner lid or the outer peripheral edge of the opening provided in the packaging bag. By doing so, it can be attached to the outer peripheral portion of the opening of the packaging bag by crimping or heat sealing. When an adhesive is used to attach the inner lid 50 and the outer lid 60, the inner lid 50 and the outer lid 60 can be removed and re-applied. Therefore, the used inner lid 50 and the outer lid 60 are reused in another packaging bag. You can also.

The inner lid 51 and the outer lid 61 shown in FIGS. 2A and 2B are manufactured by integrally molding both the inner lid 50 and the outer lid 60 shown in FIG. However, only the position of the connecting portion 7 between the inner lid 51 and the outer lid 61 is changed. That is, at a predetermined interval from one end of the substrate 1 of the inner lid 51, a connecting portion 7 having a thin portion 6 is provided slightly inside (at the center), and the inner lid 51 and the outer lid 61 are provided.
And are concatenated.

By adopting such a configuration, the substrate 1 is formed in a flange shape outside the connecting portion 7, so that the region where the cylindrical body 3 of the inner lid 51 and the connecting portion 7 are combined is formed. A configuration in which a flange-shaped portion formed of the substrate 1 is formed on the entire outer periphery. Therefore, when attaching the inner lid 51 and the outer lid 61 to the opening of the packaging bag, the inner lid 51 and the outer lid 61 are inserted and joined from the inside of the opening of the packaging bag as well as the outer surface of the periphery of the opening of the packaging bag. Thereby, it can be attached also to the inner surface of the periphery of the opening of the packaging bag. In this case, since the bonding surface is the sealant layer of the packaging bag and the upper surface of the substrate 1 of the inner lid 51, the inner lid 51 is made of a resin that can be thermally bonded to the sealant layer. Can also. However, this method is limited to a case where the inner lid 51 and the outer lid 61 are not reused because the inner lid 51 cannot be removed. Therefore, when the inner lid 51 and the outer lid 61 are reused, it is preferable to attach the outer lid 61 to the outer surface of the opening of the packaging bag using an adhesive.

The inner lid 52 and the outer lid 62 shown in FIGS. 3A and 3B are of a type in which each is separately manufactured, and the inner lid 52 has a recess at the center of the substrate 1. 8 and a cross-shaped outlet 2 on the bottom surface. Such an inner lid 52 can be manufactured by injection molding of plastic, but can also be manufactured by a sheet forming method such as a vacuum forming method or a compressed air / vacuum forming method. In the case of using the latter sheet forming method, the outer periphery and the outlet 2 may be punched after forming the recess 8.

The outer lid 62 is an adhesive seal type lid,
The cover 8 covers the depression 8 of the inner lid 52 and is attached to the surrounding surface of the substrate 1 so that the take-out opening 2 can be closed. The peripheral edge of the inner surface of the lid having a knob 9 at one end is provided. Is formed by applying an adhesive process in a pattern. The adhesive processing pattern has a shape in which the knob 9 and the portion corresponding to the depression 8 of the inner lid 52 are removed so as to show a part of the adhesive processing section 10. Such an adhesive seal lid needs to have appropriate flexibility and strength for the base material because the sticking and peeling are repeatedly performed, and for example, a biaxially stretched film such as polyethylene terephthalate, nylon, or polypropylene is used. Are suitable. These may use a single film, or may use a laminated film in which another material is laminated.

By adopting such a configuration, the outer lid 6
2 is made of an adhesive seal type lid made of plastic alone or a laminated film, etc., rather than a plastic molded body, so that the amount of plastic used can be reduced without impairing the function of opening and closing repeatedly. It is possible to provide the inner lid 52 and the outer lid 62 which can be reduced in cost, improve the disposal suitability after use, and are also economical.

FIG. 4 is a perspective view showing the structure of an embodiment of a wet tissue packaging bag according to the present invention. The wet tissue packaging bag 100 shown in FIG. 4 shows a state in which a roll-shaped wet tissue is stored and sealed inside, and the main body of the packaging bag 100 is a gusset pouch type packaging bag 11. Formed and its gusset part 1
2 is used so as to be the top surface and the bottom surface of the packaging bag 100. Therefore, the back seal portion at the time of bag making is located at the position of the heat seal portion 13, and the heat seal at the upper and lower openings is performed at the position of the heat seal portions 14 and 15. A notch opening is provided in the top surface of the packaging bag 100, that is, in the center of the gusset portion 12, and the peripheral portion is integrated with the structure shown in FIG. 1 so as to seal the opening. This is a configuration in which an inner lid 50 and an outer lid 60 formed by molding are joined and attached.

By adopting such a configuration, the roll-shaped wet tissue is stored, and the sealed wet-tissue packaging bag 100 is formed by the gusset portion 12 of the packaging bag 11 whose top and bottom surfaces are gusset pouch-type. Since it is formed, there is no difference in film overlap due to a heat seal portion or the like in this portion, and the film is formed on a flat surface, and is excellent in self-standing stability and appearance. Further, the attachment of the inner lid 50 and the outer lid 60 to the opening by the cutout provided at the center of the top surface can be easily performed by an adhesive or heat sealing. In particular, the inner lid 50 and the outer lid 60 after use
As shown in the following FIG. 5, when it is attached to another packaging bag and reused, it is preferable to attach using an adhesive.

The insertion of the wet tissue into the packaging bag 100 is performed in a state where at least one of the side heat-sealing portions 14 and 15 is opened without being sealed. 1 and pulled out from the cross-shaped outlet 2 of the inner lid 50 shown in FIG. 1 (b) so that the leading end of the inner lid 50 slightly protrudes. And sealed.

Therefore, when using the wet tissue sealed and packaged in the packaging bag 100, the outer lid 60 is pulled up to the connecting portion 7 side and opened, and the leading end of the wet tissue held in the take-out port 2 is removed. By picking and pulling out, a frictional force is generated between the wet tissue and the cross-shaped outlet 2, so that the wet tissue is naturally cut at the unit length used, and the leading portion of the remaining wet tissue is It is held in a state that it slightly protrudes upward from the outlet 2, and is maintained in a state where it can be easily pulled out at the next use. Next, by closing the outer lid 60 to the original position, the inner wet tissue is resealed. By repeating this operation, the wet tissue can be used in a good condition to the end without drying. Therefore, it is excellent in terms of usability,
Furthermore, since the main body of the packaging bag 100 is formed of a film, it is not bulky after use as compared with a molded container, and the amount of plastic used is small. Can be provided.

FIG. 5 is a perspective view for explaining a procedure for reusing the used inner lid and outer lid in another packaging bag in the wet tissue packaging bag of the present invention. In FIG. 5, (a) is a perspective view showing a configuration of another wet tissue packaging bag provided for reusing the inner lid and the outer lid after use. This packaging bag has a main body portion. ,
Like the wet tissue packaging bag 100 of the present invention shown in FIG. 4, it is formed of a gusseted pouch-type packaging bag 11, and the gusset portion is used so that it has a top surface and a bottom surface.

A wet tissue in the form of a roll is hermetically sealed and packaged, and an opening is provided in a portion indicated by a broken line on the top surface by a notch or an intermittent cut line such as a perforation. The opening is closed only by a seal lid 16 with a knob.

The packaging bag containing the wet tissue having such a configuration is supplied, and the sealing lid 16 with the knob is peeled off, so that the top surface as shown in (b) is opened.
To obtain a packaging bag that opens.

Therefore, after using the wet tissue packaging bag 100 shown in FIG. 4, the inner lid 50 and the outer lid 60 are peeled off from the top surface, and the peripheral edge of the opening 17 of the packaging bag shown in (b) above is removed. By re-adhering to the part with the adhesive, as shown in (c), the packaging bag 1 shown in FIG.
A wet tissue packaging bag having the same configuration as 00 is obtained, and the inner lid 50 and the outer lid 60 can be reused. By reusing the inner lid and the outer lid in this way, the amount of plastic used can be further reduced, and a wet tissue packaging bag that is more excellent in disposal suitability and economically advantageous can be provided.

Test Example 1 A wet tissue packaging bag having the structure shown in FIG. 4 was prepared.
The packaging bag of the wet tissue of Test Example 1 was produced with the configuration. A gusset pouch is used as a film for the packaging bag, using a laminated film in which a PET film having a thickness of 12 μm and an L / LDPE film having a thickness of 80 μm are bonded by a dry lamination method using a two-component curable polyurethane adhesive. When the gusset part is expanded and the top and bottom surfaces are used to form a square prism, the dimensions of the top and bottom surfaces are vertical,
A bag is made with dimensions of 70 mm in width and 145 mm in height, and one side is opened without sealing, and a circular opening with a diameter of 20 mm is cut out and provided in the center of the top surface. Fig. 1 by injection molding of polyethylene on the periphery of the part
The inner lid and the outer lid having the shapes shown in (1) and (2) were applied to the lower surface of the inner lid by applying an acrylic resin-based adhesive in a pattern. The outlet (cross) at the center of the inner lid is 12m long
A slit having a width of 0.8 mm and a width of 0.8 mm intersected at a right angle at the center. Further, the lower surface of the inner lid may be subjected to a pretreatment such as a corona discharge treatment in order to improve the adhesion with the adhesive.

A roll-shaped wet tissue is inserted into the wet-tissue packaging bag prepared as described above by pulling out a part of the end on the core side from the opening on the side surface and inserting the leading end into the outlet. After that, the opening on the side surface was heat-sealed and sealed to obtain a wet tissue packaging bag of Test Example 1. 40 ° C, 90% of the packaging bag obtained above
As a result of a two-week storage test performed under RH conditions, the joint between the inner lid and the packaging bag did not peel off, and was excellent in sealing performance, self-sustainability, and the like. In addition, as a test of suitability for use, the operations of opening the outer lid, taking out the wet tissue, and closing the lid were repeated for a period of one month, but there was no problem with the retention of the wet tissue by the outlet and the natural cutting property. It could be used well until the end. Further, the used packaging bag was not bulky, and the inner lid and the outer lid could be removed and reused.

[0051]

As is apparent from the above description, according to the present invention, the self-standing stability is good, the usability of taking out and resealing wet tissue is excellent, the amount of plastic used is small, and after use, When disposing, it is not bulky and has little environmental impact due to incineration, etc.
In addition, there is an effect that a wet tissue packaging bag excellent in economic efficiency can be easily provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an embodiment of an inner lid and an outer lid attached to a wet tissue packaging bag according to the present invention, wherein (a) shows a shape when the outer lid is closed; )
FIG. 4 is a perspective view showing a shape when an outer lid is opened.

FIG. 2 is a perspective view showing a configuration of another embodiment of the inner lid and the outer lid attached to the wet tissue packaging bag of the present invention, wherein (a) shows a shape when the outer lid is closed,
(B) is a perspective view showing the shape when the outer lid is opened.

FIG. 3 is a perspective view showing the configuration of still another embodiment of the inner lid and the outer lid attached to the wet tissue packaging bag of the present invention, and (a) shows the shape when the outer lid is closed. (B) is a perspective view showing the shape when the outer lid is opened.

FIG. 4 is a perspective view showing a configuration of an embodiment of a wet tissue packaging bag according to the present invention.

FIG. 5 is a perspective view illustrating a procedure for reusing the used inner lid and outer lid in another packaging bag in the wet tissue packaging bag of the present invention. A perspective view showing a configuration of another wet tissue packaging bag used when the outer lid is reused, (b) is a perspective view showing a configuration when the sealing lid of the packaging bag shown in (a) is removed, (C) shows the state when the inner lid and outer lid after use with the wet tissue packaging bag shown in FIG. 4 are peeled off and re-attached to the opening on the top surface of the packaging bag shown in (b). It is a perspective view which shows a structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Substrate 2 Take-out port 3 Cylindrical body 4 Cover plate 5 Cylindrical body 6 Thin part 7 Connecting part 8 Depressed part 9 Knob part 10 Adhesive processing part 11 Gusset type packaging bag 12 Gusset part 13, 14, 15 Heat seal part 16 Seal lid 17 Opening 50, 51, 52 Inner lid 60, 61, 62 Outer lid 100 Packaging bag for wet tissue

Claims (6)

[Claims] 1. A wet tissue packaging bag obtained by heat-sealing a laminated film mainly composed of plastic into a bag shape, wherein an opening is provided in a part of the packaging bag, and the packaging bag is pulled out from the opening. A wet tissue packaging bag, comprising: an inner lid having an outlet having a function of holding wet tissue; and an outer lid capable of resealing the outlet. 2. The wet tissue packaging bag according to claim 1, wherein the inner lid and the outer lid are formed of an integrally molded plastic body. 3. The wet tissue packaging bag according to claim 1, wherein said inner lid is formed of a plastic molded body, and said outer lid is formed of an adhesive seal material. 4. The wet tissue packaging bag according to claim 1, wherein the inner lid and the outer lid are detachably provided on the packaging bag. 5. The packaging bag according to claim 1, wherein the packaging bag is a gusset pouch type packaging bag, and the inner lid and the outer lid are provided in the gusset portion. A packaging bag for the described wet tissue. 6. The wet tissue packaging bag according to claim 1, wherein the wet tissue is in a roll form.