JP2000062810A - Packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a packaging bag reusable as a preservation bag for housed articles after purchase by a method wherein perforations are formed on the surface of a tongue-shaped piece, being in parallel with and running along the turndown side of the tongue-shaped piece, and while a strong adhesive-applied layer is formed at the front end side, a weak adhesive-applied layer is formed at the turndown side with the perforations placed in between. SOLUTION: For a packaging bag 1 that is made up with its one side sealed up and with an opening 2 formed at the other side and equipped at the opening 2 with a turndown tongue-shaped piece 3, a strong adhesive-applied layer 4 in a desired width is formed along the front end side of the tongue-shaped piece 3 and a weak adhesive- applied layer 5 in a desired width is formed along the turndown side at the root-side of the tongue-shaped piece 3. An incision line 6 formed of perforations is formed, being in parallel with the turndown side, at a position between the applied layers 4 and 5. Therefore, when an article is housed again for preservation in the packaging bag 1, the article is inserted again through the opening 2 and the weak adhesive-applied layer 5 is stuck to the packaging bag 1 by turning down the tongue-shaped piece 3 of the packaging bag 1, and thereby the tongue-shaped piece 3 is made to function as a device that can be opened and shut freely.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging bag that can be used as a storage bag for a product after the packaging bag is opened so that the product cannot be opened unintentionally.

[0002]

2. Description of the Related Art Conventional packaging bags have one side sealed,
Form a folded back glue tongue on the other opening side, apply a weak adhesive to this, store the product in a bag, fold the glue back tongue and attach it, and display it at the store for sale I was trying to do it. However, for some customers, the adhesive margin tongue is made by applying a weak adhesive, so select from the display shelves at the store, peel off the adhesive margin tongue from the packaging bag, and open it. After taking out the product stored in the bag and playing around with it, or trying it again, store it in the packaging bag again, fold the glue tongue back to the original and stick it back to the store display shelf etc. It was often said that the customer who purchased the product would later make a complaint.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned inconveniences, seals one of the above-mentioned types, and provides a packaging bag of a type in which a folded back adhesive tongue is formed on the opening side of the other. Although it cannot be opened unattended at the store, we will offer a packaging bag that can be opened after the purchase while keeping the shape of the folded back tongue piece while keeping its shape and can be reused as a storage bag for stored products. It is what

[0003]

[Means for Solving the Problems] In a packaging bag formed of a flexible material such as a processed paper or a soft synthetic resin sheet having one side sealed and a folded back tongue extending to the other side to form an opening, the folded back side of the tongue is provided. A perforation parallel to the folding side is formed on one side of the tongue along with, and a strong adhesive coating layer is formed on the tip side with the perforation and a weak adhesive coating layer is formed on the folding side. A packaging bag that is characterized by In a packaging bag formed of a flexible material such as a processed paper or a soft synthetic resin sheet that has an opening with one side sealed and a folded tongue attached to the other side, a folded side on the tongue side along the folded side of the tongue. Forming a perforation parallel to the surface of the packaging bag on which the folded surface of the tongue is located,
A strong adhesive coating layer was formed along the tip side of the tongue at the position where the tip side was located, and a weak adhesive coating layer was formed along the turn side and closer to the turn side than the perforation. A packaging bag characterized by.

[0004]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
The packaging bag is of a conventional type, as shown in FIG. 1, in which one side is sealed and the other side is formed with an opening 2 and a folded back tongue 3 extending from one side of the packaging bag is formed in the opening. And As the bag-making material, materials such as soft-finished paper that can be repeatedly folded and soft synthetic resin sheets that have been conventionally used are used.

A strong adhesive coating layer 4 is formed along the tip side of the tongue piece 3 in a linear shape with a desired width or in a dot shape with a desired diameter, and along the folding side of the tongue piece 3 on the root side. A weak pressure-sensitive adhesive layer having a desired width is applied linearly or in a spot shape having a desired diameter to form a coating layer 5, and a perforation line is formed in the middle of the strong adhesive coating layer 4 and the weak pressure-sensitive adhesive coating layer 5 and is parallel to the folding side. A cut line 6 is formed.

Since the packaging bag 1 according to the present invention is constructed as described above, the tongue piece 3 is folded back from the folding side after the commodity (not shown) is stored in the packaging bag in the conventional manner as shown in FIG. The strong adhesive coating layer 4 and the weak adhesive coating layer 5 are brought into contact with the packaging bag 1 to close the opening 2 of the packaging bag 1.

As a result, since the tip side of the tongue piece 3 is adhered by the strong adhesive layer 4, the tongue piece 3 cannot be opened unintentionally. Therefore, even if the product is displayed at the store, the customer cannot peel off the tongue piece 3 to open the packaging bag 1, take out the product from the packaging bag 1, and fiddle with or try the product.

[0008] However, if the purchaser cuts off the adhesive margin tongue piece 3 from the perforation line 6 of the tongue piece 3 without peeling off the tongue piece 3, the tongue piece has a weak adhesive coating layer 5 on the root side. It will remain in a folded state that is adhered.

When the product is to be taken out of the packaging bag 1 in this state, the tongue piece 3 is peeled off from the weak adhesive coating layer 5 to open the packaging bag 1 and the product is removed from the packaging bag 1. Can be taken out.

When the product is stored again in the packaging bag 1 for storage, the tongue piece of the packaging bag 1 made of a flexible material is stored in the opened packaging bag 1 through the opening 2 again. By folding back 3 and adhering the weak adhesive coating layer 5 to the packaging bag 1, it is possible to function as the tongue piece 3 which can be opened and closed.

In the packaging bag described above, the tongue piece is normally folded back after the packaging of the commodity and the tongue piece is adhered and adhered to the packaging bag during the packaging operation of the commodity, but in some cases, one of the packaging bags is not sealed. It is a matter of course that the opening may be left as it is, the tongue piece is folded back to the packaging bag before the product is stored, and is adhered and adhered. .

In the description of this embodiment, the strong adhesive coating layer 4 is used.
The state where the weak adhesive coating layer 5 is provided on one surface of the tongue piece 3 has been described, but as shown in FIG.
The weak adhesive coating layer 15 may be provided on the surface of the packaging bag 1 where the tongue piece 3 is folded back, as shown in FIG.

[0014]

As described above, according to the present invention, the strong adhesive and the weak adhesive are separately used to form the coating layer.
Prevent customers from unnecessarily opening the packaging bag at the store,
The purchaser can also use the packaging bag as a product storage bag.

[Brief description of drawings]

FIG. 1 is a perspective view of a packaging bag in which a perforation, a perforation, and a coating layer of a strong adhesive and a weak adhesive are provided on a tongue piece.

FIG. 2 is a perspective view of a packaging bag in which a coating layer of a strong adhesive and a weak adhesive is provided at a folding back position of a glue tab with perforations.

FIG. 3 is a sectional view taken along line AA of FIG.

[Explanation of symbols]

1 packaging bag 3 tongue 4 Strong adhesive coating layer 5 Weak adhesive coating layer 6 cut line

Claims (2)

[Claims] 1. A packaging bag formed of a flexible material such as a processed paper or a soft synthetic resin sheet having one side sealed and a folded tongue extending to the other side to form an opening, and a tongue extending along the folded side of the tongue. A perforation parallel to the folding side is formed on one side, a strong adhesive coating layer is formed on the tip side by sandwiching the perforation, and a weak adhesive coating layer is formed on the folding side. And a packaging bag. 2. A packaging bag formed of a flexible material such as a processed paper or a soft synthetic resin sheet, which has an opening with one side sealed and a folded back tongue attached to the other side, along the folded side of the tongue. A perforation is formed on the surface of the tongue in parallel with the folding side, and a strong adhesive is applied along the tip side of the surface of the packaging bag where the folding surface of the tongue is located where the tip side of the tongue is located. A packaging bag, wherein a coating layer is formed, and a weak adhesive coating layer is formed along the folding side and closer to the folding side than the perforations.