JPS5931559Y2 - product packaging bag - Google Patents

Description

[Detailed description of the invention] The present invention relates to a product packaging bag, and in particular, it improves the shape retention of the entire bag, and by using a part of the mount as a header, no new constituent materials are used. To make it possible to form a header without adding any additional headers, and to prevent a product charged inside a packaging bag from moving to the header side of the packaging bag.

Therefore, the feature of the present invention is that a thin synthetic resin film is folded and polymerized so that the upper end becomes a bent part, and synthetic paper or thick synthetic resin is placed between the front and back film parts of this film. A mount made of film and having approximately the same length in the vertical direction as the back film part is inserted, and both edges of the front and back film parts are welded to both edges of the mount, and the lower edge of the back film part and the mount are welded together. By welding the lower edge of the mount, a bag is formed with an opening between the lower edge of the mount and the front film section, the upper part of the mount is used as a header, and the lower edge of the header is attached to the front film section over the entire width. By welding, a welded part for a partition is formed, and a space between the front film part and the mount below the welded part for partition is made into a space for loading the product, and the front film part is extended beyond the lower edge of the mount. , the extended portion is used as a sealing piece for sealing the opening.

Hereinafter, an embodiment of the present invention will be described based on the drawings of FIGS. 1 and 2. The bag 1 is made by bending and polymerizing a thin synthetic resin film 2 at the upper part. A mount 5 cut from synthetic paper or a thick synthetic resin film and having approximately the same length in the vertical direction as the back film part 4 is inserted between the front and back film parts 3 and 4, and placed on both sides of the bag body 1. The front and back film parts 3 and 4 of the film 2 and the paper 1 5 are fused and welded together,
The lower edges of the back film portion 4 and the backing paper 5 are welded 8 and hollowed out to form a bottom with an opening 6 at the lower portion.

The upper part of the mount 5 is a header 7, and the edge of the header 7 on the opening side, that is, the lower edge, is welded 9 to the front film part 3 over the entire width, and the side of the partition welded part 9 is on the opening side, that is, the lower side. The space between the front film part 3 and the mount 5 is the empty space 1 for loading the product.
It is set to 0.

Reference numeral 11 indicates a hole formed on the header 7 side of the bag body 1, through which a hook (
(not shown).

The front film portion 3 extends below the opening edge of the mount 5, and this extended portion serves as a sealing piece portion 12.

A single-sided adhesive tape 13 is adhered to the front side of the sealing piece 12 in a downwardly protruding manner, and a release paper 14 is temporarily adhered to the exposed adhesive surface.

According to the embodiment configured as described above, the thin synthetic resin film 2 is folded approximately in half, and the mount 5 made of synthetic paper or thick synthetic resin film is sandwiched inside and flowed, and the process is fused and welded. Alternatively, in addition to welding, the single-sided adhesive tape 13 and release paper 14 are also adhered or temporarily adhered during the above-mentioned flowing process, and the above-mentioned fusing welding or fusing during welding allows packaging bags to be easily mass-produced and the packaging bags to be made at extremely low cost. can be manufactured.

Moreover, since the upper part of the mount 5 is used as the header 7, the header 7 can be easily formed without adding any new structural members.

In addition, the product is loaded into the product loading chamber 10 of the packaging bag, but since the lower edge of the header 7 is welded 9 to the front film portion 3, the product is placed on the side of the header 7 of the packaging bag. It does not move, therefore, the product will not block the hole 11 and will not interfere with the attachment of the hook to the hole 11 or cause an unsightly appearance.

After inserting the product into the packaging bag, as shown by the imaginary line in FIG.
By adhering the exposed adhesive surface to the back film portion 4, the opening 6 is sealed.

In this way, since the bag body 1 of the packaging bag that is in a position to be displayed has the mount 5 inside, the bag body 1 as a whole has excellent shape retention, and the product inside does not lose its shape. ,
Able to maintain good display condition.

In addition, the packaging bag is printed with the trademark and contents of the product to be packed in the packaging bag, but since the outer surface of the packaging bag is made up of a single film 2, the entire surface of the packaging bag cannot be printed. Printing can be performed by one printing on the inner or outer surface of the film 2, which is easy to print.

In addition, when printing on the inner surface of the film 2, it is necessary to avoid printing on the part to be fused or welded, but in this case there is an advantage that the printing is difficult to peel off.

FIG. 3 shows a comparative example of the present invention, in which only the front side of the bag body 1 is made of a thin synthetic resin film 2, the film 2 and the mount 5 are welded 15 at the upper edge of the bag body 1, and the opening is sealed. A double-sided adhesive tape 16 is adhered to the back side of the piece 12, and a release paper 14 is temporarily adhered to the exposed adhesive surface.

The other configurations are the same as those in the embodiment and are indicated by the same reference numerals.

As detailed above, in the present invention, since the bag is constructed by polymerizing a mount made of synthetic paper or a thick synthetic resin film and a thin synthetic resin film, the bag as a whole has good shape retention. It has excellent properties, and the product inside does not lose its shape.
Able to maintain good display condition.

Furthermore, since the upper part of the mount is used as the header, the header can be formed extremely easily without adding any new constituent materials.

In addition, the lower edge of the header, which is the edge on the opening side, is welded to the film to create a space for loading the product between the mount and the film on the opening side of the partition welded part, that is, on the lower side.
The product loaded into the empty chamber will not move to the header side of the packaging bag, and the appearance will not deteriorate as a result.

In particular, in the present invention, the partition weld is formed by welding the lower edge of the header, which is the upper part of the mount, to the front film part over the entire width, and the partition weld can be formed without making holes in the mount. Because of this, the strength of the mount does not decrease due to the formation of the welded part for the partition, and the bag's shape retention function is excellent, and only the front film part is welded to the lower edge of the header. Therefore, there is no need to arrange welding rollers above and below the bag when forming the welded parts for partitions, and the welded parts for partitions can be easily formed.

In addition, the lower edge of the header and the back film section are not welded, and there is no welded part in the width direction in the middle of the back film section in the vertical direction, so fine printing can be done over almost the entire surface of the back film section. can.

The present invention has the various advantages mentioned above, has a simple structure, and can be manufactured at extremely low cost.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a longitudinal cross-sectional view thereof, and FIG. 3 is a longitudinal cross-sectional view showing a comparative example of the present invention. 1...Bag body, 2...Film, 5...
...Mount, 6...Opening, 7...
Header, 10... Empty room for product loading, 12...
...Sealing piece, 13...Single-sided adhesive tape, 1
4... Double-sided adhesive tape.

Claims (1)

[Scope of utility model registration request] A thin synthetic resin film is bent and polymerized so that the upper end becomes the bent part, and between the front and back film parts of this film,
Insert a mount made of synthetic paper or thick synthetic resin film and having approximately the same length in the vertical direction as the back film part,
By welding both side edges of the front and back film portions to both side edges of the mount and welding the lower edge of the back film portion to the lower edge of the mount, an opening is created between the lower edge of the mount and the front film portion. The upper part of the mount is used as a header, the lower edge of the header is welded to the front film part over the entire width to form a partition welded part, and the front film below the partition welded part is welded to the front film part. A product packaging bag characterized in that the space between the part and the mount is a vacant space for inserting the product, the front film part is extended beyond the lower edge of the mount, and the extended part is used as a sealing piece part for sealing the opening. .