JP2001171685A - Gusset bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gusset bag capable of ensuring a sufficient display area in its flat surface parts noticing the structure of the gusset bag. SOLUTION: A gusset bag 1 has opposed flat surface parts 2, 2 and side surface parts 3, 3 having both end parts of both flat surface parts 2, 2 connected thereto and inwardly folded along fold lines. The side surface parts 3, 3 are partially made transparent to provide windows 9, 9. Since the windows 9, 9 are provided to the side surface parts 3, 3, the gusset bag 1 capable of ensuring a sufficient display area in its flat surface parts 2, 2 and the contents are visible from the outside can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gusset bag having a so-called "town" on its side.

[0002]

2. Description of the Related Art Conventionally, a gusset bag having a flat portion facing each other and side portions connecting both end portions of the both flat portions and being folded inside by a folding line is known. This gusset bag is formed by heat sealing a plastic film or the like. The gusset bag is filled with contents such as food, and the product name, characteristics, raw materials, application, contents, precautions for use, expiration date, and the like of the contents are displayed. In general, this display is made on the front surface of the gusset bag and the most prominent plane portion of the gusset bag when the gusset bag is displayed on the product shelf.

[0003]

However, the gusset bag requires a window for viewing the contents from the outside, a straw for sucking up the filled liquid is required, and Etc. may be required. If such windows, straws, and barcodes are inadvertently provided on the gusset bag, the area for displaying the product name of the contents described above becomes small or hidden, and the flat surface portion of the gusset bag is required. The display area cannot be secured.

Accordingly, an object of the present invention is to provide a gusset bag capable of securing a sufficient display area on a plane portion thereof, focusing on the structure of the gusset bag.

[0005]

Hereinafter, the present invention will be described. In order to solve the above problems, the present inventor has noticed that the gusset bag has a `` town '' on its side, and this `` town '' is relatively invisible when the gusset bag is displayed on a product shelf, It has been found that if a window is provided in the "town", a sufficient display area can be ensured on the plane portion, and a gusset bag can be obtained from which the contents can be viewed from the outside. That is, the present invention includes an opposing flat portion, and a side portion connecting both end portions of the both flat portions and being folded inside by a folding line, and at least a part of the side portion is transparent. The above-mentioned problem has been solved by a gusset bag characterized in that a window is provided.

According to the present invention, as described above, at least a part of the side portion is transparent and the window is provided, so that a sufficient display area can be secured on the flat portion, and the contents can be externally provided. A visible gusset bag is obtained.

Further, according to the present invention, there is provided a method for manufacturing a vehicle, comprising the steps of: connecting a flat portion facing each other; a side portion connecting both end portions of the both flat portions to be folded inside by a folding line; The above-mentioned problem has been solved by a gusset bag comprising: a flat bottom portion for closing a bottom surface of a cylindrical body; and a window provided with at least a part of the bottom portion being transparent.

According to the present invention, a flat gusset bag can be obtained because the bottom surface is flattened. When displaying the gusset bag with good self-sustainability on the product shelf, the gusset bag is displayed while standing independently, so that the bottom surface portion is not visible.
Therefore, if a window is provided on the bottom surface, a sufficient display area can be ensured on the flat surface, and a gusset bag can be obtained from which the contents can be viewed from the outside.

Further, the present invention comprises a flat portion facing each other, and a side portion connecting both end portions of the both flat portions and being folded inside by a folding line, wherein a straw is provided on the side portion. The above-mentioned problem is solved by a gusset bag characterized by being attached.

According to the present invention, since the straw is attached to the side surface, a sufficient display area can be secured in the flat portion without hiding the display of the flat portion. In addition, the side portion of the gusset bag is folded inward by a fold line and depressed. By attaching a straw to this side, the straw can be installed at a position that is more concave than the plane connecting the ends of the side, and the straw will fall off even if the gusset bags are displayed side by side with other products on the product shelf. Can be prevented.

Further, the present invention is characterized in that the flat portion and the side portion are made of a plastic film, and the flat portion and the side portion are heat-sealed.

According to the present invention, the heat-sealed portions of the flat portion and the side portion form the skeleton of the gusset bag,
Since the straw is mounted in the skeleton, the straw can be further prevented from falling off.

According to the present invention, there is further provided a cylinder comprising a flat portion, a side portion connecting both end portions of the both flat portions and being folded inside by a fold line, and a tube comprising the flat portion and the side portion. With a flat bottom that closes the bottom of the body,
The above-mentioned problem has been solved by a gusset bag characterized in that a POS mark is marked on the bottom surface.

According to the present invention, since the POS mark is marked on the bottom surface, a gusset bag capable of securing a sufficient display area on the flat surface can be obtained. Further, when the self-standing gusset bag is allowed to pass through the register while standing up, the register reads the POS mark marked on the bottom surface portion, thereby facilitating the barcode reading operation.

[0015]

FIG. 1 shows a gusset bag 1 according to a first embodiment of the present invention. The gusset bag 1 has opposing flat portions 2 and 2, side portions 3 and 3 connecting both end portions of the flat portions 2 and 2, and being folded inside by a folding line, and the flat portion 2. A flat bottom portion 4 for closing the bottom surface of a cylindrical body composed of 2, 2 and the side portions 3, 3
And The gusset bag 1 has a so-called "town" on the side surface and has a flat bottom surface, so that a large amount of contents can be filled and the gusset bag 1 is excellent in self-sustainability.

FIG. 2 shows a method of forming the gusset bag 1. Side portions 3 and 3 are provided at both ends of opposed flat portions 2 and 2.
Are connected to each other, and the bottom surface portion 4 is connected to the bottom surface of the tubular body composed of the flat portions 2 and 2 and the side portions 3 to form the gusset bag 1.

A method of forming the bottom portion 4 will be described. First, a square-shaped bottom-forming sheet is prepared, and the sheet is folded at the center line in the longitudinal direction to form a bottom fold line 5. Near one of both ends of the bottom fold line 5, any one point P, P is used as a base point. The bottom fold line 5 from the base points P, P to both ends of the sheet is folded in a direction opposite to the original fold direction to form fold lines 6 and 6. At the same time, a line connecting the two corners Q, Q at both ends of the sheet to the base points P, P is folded as four ridge lines 7 protruding inward of the bag.
An open surface 8 corresponding to the fold of the side portions 3 is formed.
The bottom surface forming sheet folded in this way is
It is inserted into the bottom of a cylindrical body composed of 2 and side portions 3.

Then, the bottom edge of the outer surface of the folded sheet is heat-sealed to the inner surfaces of the flat portions 2 and 2 and the inner surfaces of the side portions 3 and 3 (the heat-sealing surface R is indicated by hatched portions in the figure). ). Also, the flat portions 2 and 2 and the side portions 3 and 3
Are heat-sealed (the heat-sealing surface S is indicated by hatching in the figure). By heat-sealing, four heat-sealing surfaces S are formed with a predetermined width on both sides of both flat portions 2. When the contents are put into the gusset bag 1, the folded bottom surface portion 8 becomes flat and becomes self-supporting. The heat seal surface S has a role as a skeleton of the self-standing gusset bag 1. Therefore, the gusset bag 1 after the content is filled is reinforced by the heat sealing surface S. After filling the contents into the gusset bag 1, the mouth of the gusset bag 1 is heat-sealed again to seal the inside of the bag.

FIG. 3 to FIG. 9 show the gusset bag 1 before filling the contents. FIG. 3 shows a gusset bag 1
4 is a plan view of the gusset bag 1, FIG. 5 is a bottom view of the gusset bag 1, FIG. 6 is a central enlarged sectional view of the gusset bag 1, and FIG. 8 is a sectional view taken along line AA of FIG. 3, and FIG. 9 is a side view 3 of the gusset bag 1.
FIG.

The flat portions 2 and 2 are made of a plastic film and are printed by a known printing method such as gravure printing or flexographic printing. The flat parts 2 and 2 display, by printing, product names, characteristics, raw materials, uses, contents, precautions for use, expiration dates, and the like of the contents. This display
Design is emphasized in consideration of sales promotion. Side part 3,
3 is made of a transparent plastic film.

A window 9 is provided on each of the side surfaces 3 and 3 with a part thereof being transparent (see FIGS. 1 and 9). This window 9
Are formed by printing portions other than the windows 9 of the side portions 3. The window 9 has a rectangular shape and is formed symmetrically about the folding line. The contents inside the gusset bag 1 are viewed through the transparent window 9 from outside.
When the windows 9 are provided on the side surfaces 3, 3, there is no need to provide windows on the flat portions 2, 2, and a sufficient display area can be secured on the flat portions 2, 2. Note that the window 9 may be provided not on a part of the side surface parts 3 and 3 but on the whole.

Examples of the material of the plastic film for the plane portions 2 and 2 and the side portions 3 and 3 include, for example, an OPP film (biaxially oriented polypropylene), a polyester film,
Nylon film, linear low-density polyethylene film, and a multilayer film obtained by laminating an unstretched polypropylene film can be used, and the material is a kind of contents, for example, solid, powder, liquid, retort, milk, Alternatively, it is appropriately determined according to the exterior of the small bag packaging.
Further, as the material of the plastic film of the bottom portion 4, for example, a multilayer film in which a nylon film and a linear low-density polyethylene film are laminated can be used. powder,
It is appropriately determined depending on the liquid, retort, milk and the like. In some cases, the plastic film of the flat portions 2 and 2, the side portions 3 and 3, and the bottom portion 4 is required to have a barrier property against a gas such as oxygen, and a pinhole resistance.

FIGS. 10 and 11 show a gusset bag 11 according to a second embodiment of the present invention. FIG.
0 shows a perspective view of this gusset bag, and FIG. 11 shows a front view. A rear view, a plan view, a bottom view, left and right side views, and a cross-sectional view are the same as those of the gusset bag 1 of the first embodiment. The gusset bag according to the second embodiment has windows 9 on side portions 3 and 3.
And a window 12 also in the flat part 2 on the front side.
That is, a window 12 is provided in the flat part 2 on the front side, with a part thereof being transparent. The window 12 of the plane portion 2 is formed in the same manner as the windows 9 and 9 of the side portions 3 and 3 described above. According to the gusset bag 11, the front and side surfaces of the contents can be seen from the outside, and the contents can be more easily confirmed. Further, since the windows 9, 9 are also provided on the side surfaces 3, 3, there is no need to make the window 12 of the plane portion 2 correspondingly large.
, A sufficient display area can be secured.

FIGS. 12 and 13 show a gusset bag 13 according to a third embodiment of the present invention. FIG.
2 shows a perspective view of the gusset bag 13, and FIG. 13 shows front and rear views. Plan view, bottom view, left and right side view,
The cross-sectional view is the same as the gusset bag 1 of the first embodiment described above. The gusset bag 13 according to the third embodiment has the window 9 on the side surface portion 3 and also has the window 12 on the flat surface portions 2 and 2 on the front and rear sides. That is, a part of the flat portions 2 and 2 on the front side and the rear side is made transparent and the window 1
2, 12 are provided. The windows of the plane portions 2, 2 are formed in the same manner as the windows 9, 9 of the side portions 3, 3 described above. According to this gusset bag, the front, side and back of the contents can be seen from the outside, so that the contents can be more easily checked. Further, since the windows 9, 9 are provided on the side surfaces 3, 3, it is not necessary to make the windows 12, 12 of the plane portions 2, 2 correspondingly large, and a sufficient display area is secured in the plane portions 2, 2. be able to.

Although not shown, a window may be provided by making at least a part of the bottom surface portion 4 of the gusset bag transparent. By providing a window in the bottom portion 4 of the gusset bag, the bottom surface of the contents can be confirmed. In addition, there is no need to provide a window in the flat portion 2, and a sufficient display area can be secured in the flat portion 2.

FIG. 14 shows a gusset bag 15 according to a fourth embodiment of the present invention. A straw 16 is detachably attached to the side surface portion 3 of the gusset bag 15. The configuration of the gusset bag 15 is the same as the configuration of the gusset bag 1 of the above-described first embodiment, except that no window is provided on the side surface portion 3. After filling the gusset bag 15 with the liquid, the straw 16 is attached near the fold line 17 on the side surface portion 3 by an adhesive means such as hot melt so as to extend along the fold line 17. Further, a straw insertion hole 18 is formed in the side surface portion 3. The hole 18 is formed, for example, by forming an opening at a predetermined position of the outer plastic film layer constituting the side surface portion 3 and laminating this plastic layer on the inner plastic film layer having no opening. You. Then, the straw insertion hole 18 is pierced by the straw 16 to suck up the liquid inside.

According to the gusset bag 15 of this embodiment,
Since the straw 16 was attached to the side part 3, the flat part 2,
A sufficient display area can be ensured on the plane portions 2 and 2 without the display 2 being hidden by the straw 16. The side portion 3 of the gusset bag 15 is folded inward by the folding line 16 and is concave. By attaching the straw 16 to the side portion 3, the straw 16 can be attached to a position recessed from a plane connecting the ends of the side portion 3, and the gusset bag 15 is displayed on a product shelf alongside other products. Even so, it is possible to prevent the straw 16 from falling off. Further, since the heat sealing surfaces S of the flat portions 2 and 2 and the side portions 3 and 3 form a skeleton of the gusset bag 15, and the straw 16 is mounted in the skeleton, the straw 16 is protected by the skeleton, and furthermore. The straw 16 can be prevented from falling off. In addition, this straw 16
May be stored in a pouch to maintain hygiene.

FIG. 15 shows a gusset bag 19 according to a fifth embodiment of the present invention. In the gusset bag 19, a POS mark 20 is marked on the bottom surface portion 4. The configuration of the gusset bag 19 is the same as the configuration of the gusset bag of the above-described first embodiment except that the side portion 3 is not provided with a window. The POS mark 20 is printed by a known printing method. The bar code of the POS mark 20 represents an item code, a price code, and the like of a product. The POS mark 20 is read by an optical automatic reading register to automatically calculate the price of the product.

According to the gusset bag 19 of this embodiment,
Since the POS mark 20 is marked on the bottom part 4, the flat part 2,
2 can secure a sufficient display area. Further, if the self-standing gusset bag 19 is allowed to pass through the register while standing, the register reads the POS mark 20 marked on the bottom surface portion 4, thereby facilitating the barcode reading operation.

The bottom portion 4 as a constituent material may be made of the same material as the main body composed of the flat portion 2 and the side portion 3 or may be made by inserting another material into the main body. good.

[0031]

As described above, according to the present invention,
Connect the opposing plane parts and both ends of these plane parts,
In a gusset bag having a side portion that is to be folded inside by a folding line, at least a part of the side portion is transparent and a window is provided, so that a sufficient display area can be secured on a flat portion. A gusset bag is obtained that allows the contents to be viewed from the outside. .

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a gusset bag according to a first embodiment of the present invention.

FIG. 2 is a front view (the same applies to a rear view) of the gusset bag.

FIG. 3 is an exploded perspective view showing a method of forming the gusset bag.

FIG. 4 is a plan view of the gusset bag.

FIG. 5 is a bottom view of the gusset bag.

FIG. 6 is an enlarged central sectional view of the gusset bag.

FIG. 7 is a left side view (the same applies to a right side view) of the above-described dustet bag.

FIG. 8 is a sectional view taken along line AA of FIG. 3;

FIG. 9 is a left side view of the gusset bag in an expanded state (the same applies to the right side view).

FIG. 10 is a perspective view of a gusset bag according to a second embodiment of the present invention.

FIG. 11 is a front view of the gusset bag according to the second embodiment.

FIG. 12 is a perspective view of a gusset bag according to a third embodiment of the present invention.

FIG. 13 is a front view of the gusset bag according to the third embodiment (the same applies to the rear view).

FIG. 14 is a perspective view of a gusset bag according to a fourth embodiment of the present invention.

FIG. 15 is a perspective view of a gusset bag according to a fifth embodiment of the present invention.

[Explanation of symbols]

 1,11,13,15,19 Gusset bag 2 Plane part 3 Side part 4 Bottom part 9 Window 16 Straw

Claims (5)

[Claims] 1. A flat part comprising: a pair of opposed flat parts; and a side part connecting both end parts of the two flat parts and being folded inside by a folding line, at least a part of the side part is made transparent. Gusset bag characterized by having a window. 2. A cylindrical body comprising an opposing flat portion, a side portion connecting both end portions of the both flat portions and being folded inside by a folding line, and the flat portion and the side portion. A flat bottom portion for closing a bottom surface of the gusset bag, wherein a window is provided by making at least a part of the bottom portion transparent. 3. A flat part which is opposed to the flat part, and a side part which connects both end parts of the two flat parts and is folded inside by a folding line, wherein a straw is attached to the side part. A gusset bag that features. 4. The gusset bag according to claim 3, wherein the flat portion and the side portion are made of a plastic film, and the flat portion and the side portion are heat-sealed. 5. An opposing flat portion, a side portion connecting both end portions of both flat portions and being folded inside by a folding line, and a bottom surface of a cylindrical body including the flat portion and the side portion. And a flat bottom portion for closing the gusset, wherein a POS mark is marked on the bottom portion.