JPH10250764A - Bag for pillow-type package - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain simple and easy reclosability of a bag, which is favorable when the whole content is not used at once or perfect closabiity is not required after it has been unsealed, by providing an unsealing means along the seal at the back, at the nearby position of the seal at the back in a bag for pillow- type package. SOLUTION: Base films are suppressed with each other and the content 2 is charged while sticking the back and the bottom of the superposed part and then the center of the seal part of the stuck bottom is cut to form a bag for pillow-type package. In this time, an unsealing means 7 is formed further along the seal 5 at the back at the nearly position of the seal 5. And unsealing notches 8, 8 functioning as an unsealing start point at the time to peel the bag body by hands, are formed at the upper end seal part 3. In this bag for pillow-type package, when the bag body is opened along the unsealing means 7 and the seal 5 at the back is pushed down on the unsealing part 9, the unsealing part 9 is hermetically sealed at the seal 5 of the back and reclosed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pillow-wrapping bag, and more particularly, to a package which does not require complete sealing after opening once but requires simple reclosing. The present invention relates to a pyro-packaging bag having simple and useful recloseability.

[0002]

2. Description of the Related Art Conventionally, in order to fill and package contents such as foods and beverages, etc., a flexible package of various forms is formed by heat-sealing three or four sides of a film of a synthetic resin. Bags have been proposed. As one of those soft packaging bags, a so-called pyro-packaging bag is known. In this method, the raw film is intermittently supplied from a take-up roll, the raw films are overlapped in a palm-shape manner, and the contents are filled while the polymerized portion is attached to the back, the bottom, and the like.
Thereafter, the seal portion of the bottom affixing portion is cut at the center to manufacture a packaged product in which the contents are filled and packaged. In opening the packaged product thus produced, usually, a notch or the like for opening is provided at an end of the packaged product, the film is torn from the notch, the film is opened, and the contents are taken out. It is provided for use.

[0003]

However, in the above-mentioned method of opening the bag for the pillow-wrapping bag, the film is simply torn from the notch portion, so that the opening portion is largely opened and the reclosing property is completely poor. There is a problem that it is possible, for example, if the content is a liquid material, there is a problem that it is dried or spilled, which is not preferable, and wet tissue,
If the product is a sheet-like wet product such as a sliced cheese, it is not preferable because of problems such as drying and popping out of the contents. Usually, when recloseability is required, for example, as an easy method, a label or the like is used for the opening part and resealing is performed by utilizing the resealing property. However, there is a problem in that the use itself is complicated and an extra member must be used. Alternatively, in order to make the sealing performance better, for example, use of a chuck or the like has been proposed, but this also has a problem that an extra member must be used, which is not preferable. is there. As described above, in the case of a pillow-wrapping bag, when the contents are not used all at once, and when complete sealing after opening is not required, simple reclosing is desired. It is. Accordingly, an object of the present invention is to improve the reclosing property of a piro-packaging bag and to provide a piro-packaging bag having a simple reclosing property.

[0004]

As a result of various studies to solve the above-mentioned problems, the present inventor has found that a back-sealing seal is provided in the vicinity of a back-sealing seal portion in a pillow-wrapping bag. Opening means such as a cut tape or a score line for opening is provided along the portion, and the bag is opened by the opening means to take out the contents. The present invention has been found out that when the adhesive seal portion is folded over the opening portion, the back adhesive seal portion covers the opening portion and functions as a simple lid with recloseability. Is completed.

That is, the present invention provides a pillow wrapping bag characterized in that the pillow wrapping bag is provided with opening means in the vicinity of the backing seal portion along the backing seal portion. The present invention relates to a packaging bag.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the drawings. First, the configuration of the pillow-packing bag according to the present invention will be described with reference to a few examples of the pillow-packing bag according to the present invention. FIG. 2 is a perspective view showing an example of the configuration, and FIG. 2 is a cross-sectional view taken along the line XX ′ of the pillow-packaging bag according to the present invention shown in FIG. 1, and FIG. Pyro- according to the present invention shown in
FIG. 4 is a perspective view showing a configuration in which the back-sealing seal portion of the packaging bag functions as a simple lid having recloseability;
FIG. 4 is a perspective view showing a configuration of another embodiment of the pillow-packaging bag according to the present invention, and FIG. 5 is a back view of the pillow-packaging bag of another embodiment of the present invention shown in FIG. FIG. 6 and FIG. 7 are perspective views showing a configuration in which the pasting seal portion functions as a simple lid having reclosing properties. FIGS. 6 and 7 show the back-sealing seal portion of the bag for the pillow packaging according to the present invention. FIG. 9 is a cross-sectional view showing a configuration in which an opening means is provided in the vicinity along the backing seal portion.

First, in the present invention, the configuration of the bag for pillow packaging according to the present invention will be described with reference to an example of the bag. The bag A for pillow packaging according to the present invention is shown in FIG. 1 and FIG. Thus, for example, the raw film 1 is intermittently supplied from a take-up roll or the like, the raw films 1 are superposed on each other in a palm-shape manner, and the contents thereof are applied while the superposed portion is attached to the back and the bottom. 2 and then seal the bottom
The pillow packaging bag is formed by cutting the seal portion at its center and forming the upper seal portion 3, the lower seal portion 4, the back-sealing seal portion 5 and the like. 6, in advance, along the back adhesive seal portion 5, at a position P corresponding to a position near the back adhesive seal portion 5 on the inner surface of the raw film 1. Thus, for example, it has a configuration in which an opening means 7 made of a cut tape is provided. In the above, when opening the bag for pillow packaging having the above-described structure, the upper end seal portion 3 functions as an opening starting point when the bag is torn by holding the bag in a hand. It is desirable that the notches 8, 8 and the like for opening are engraved.

Next, with respect to the pillow-packing bag A having the above-mentioned structure, the bag is opened to take out the contents 2, and the back-sealing seal portion 5 is reclosed. The configuration functioning as the simple lid 5a having the property will be described.
As shown in FIG. 3, in the above-mentioned pillow-wrapping bag A, when the opening notches 8 and 8 are held in a hand and the bag is torn in the direction of arrow M, this portion becomes the opening start point. Then, the bag is opened and the bag is opened along the opening means 7 composed of a cut tape to form an opening 9. After the contents 2 are taken out from the opening 9, the contents are removed. When the back-sealing seal portion 5 of the pillow-wrapping bag A is pushed down on the opening portion 9 in the direction shown by the arrow N, the opening portion 9 is opened.
Can be resealed by being sealed in the back-sealing seal part 5, and by repeating this, the back-sealing seal part 5
Functions as a simple lid 5a for recloseability. In addition, 3, 4 etc. in a figure represent the same meaning as the above.

Next, in the present invention, another example of a pillow-packing bag according to the present invention will be exemplified. As shown in FIG. 4, as shown in FIG. As B, the pyro-
Opening means 7 made of cut tape in packaging bag A
Instead of, for example, a configuration may be used in which an opening means 7a is provided which comprises an opening cut line such as a sewing cut line or a linear cut line. The cut line for opening the above, in the thickness direction of the raw film,
A half cut shape cut into the middle position is preferable. That is, as shown in FIGS. 1 and 2 above,
For example, the raw film 1 is intermittently supplied from a take-up roll or the like, the raw films 1 are overlapped in a palm-shape manner, and the content 2 is filled while the polymerized portion is attached to the back and the bottom. Then, the seal portion of the bottom affixed portion is cut at the center thereof, and the upper seal portion 3, the lower seal portion 4, and
A pillow-packing bag 6 having a structure in which a back-sealing seal portion 5 and the like are formed, and a film comprising one or more layers constituting the raw film 1 in advance. At a position P corresponding to a position near the back-attached seal portion 5, along the back-attached seal portion 5, for example, a sewing line or a straight cut line is provided. May be provided with an opening means 7a comprising a half-cut opening cut line. In the present invention, the position of the above-mentioned back pasting seal portion is as follows.
In addition to the case where it is located at the center as described above, it may be provided, for example, at a position offset to one end.

Next, with respect to the pillow-wrapping bag B having the above-mentioned structure, the bag is opened to take out the contents 2, and the back-sealing seal portion 5 is reclosed. The configuration functioning as the simple lid 5a having the property will be described.
As shown in FIG. 5, in the pillow-packing bag B as described above, the part of the opening means 7a composed of a perforated cut line such as a perforated cut line or a linear cut line is held in a hand. Pulling in both directions of the arrows M ₁ and M _2, the bag is torn from this portion to be opened, and at the same time, along the opening means 7 a composed of the above-described perforated line for cutting such as a perforated line of perforated line or a perforated line of straight line. The bag is opened to form an opening 9a in that portion. After the contents 2 are taken out from the opening 9a, the back-sealing seal portion 5 of the pillow-wrapping bag B is removed. In the direction indicated by the arrow N, when the opening portion 9a is pushed down on the opening portion 9a, the opening portion 9a is sealed by the backing seal portion 5 and can be resealed. By repeating this, The back-sealing seal part 5 is reclosed. Functions as a sexual simple lid 5a. In addition, 3, 4 etc. in a figure represent the same meaning as the above.

The above examples are a few examples of the piro-packaging bag according to the present invention, and the present invention is not limited thereto. For example, although not shown, the unsealing means can be formed on either side of the sticking seal part, and, as described above, is not a gasket type pillow-packing bag, but, for example, Various forms of bags such as a gusseted pillow-packing bag and a square bottom gusseted pillow-packing bag may be used.

By the way, in the pillow-wrapping bag according to the present invention, since the back-sealing portion functions as a simple lid for reclosability, the width of the back-sealing portion is particularly small. The relationship with the formation position of the unsealing portion becomes important. This will be described with reference to the drawings. For example, as shown in FIG. 6, for example, as described above, the unsealing means 7 composed of a cut tape is used. In the case of the pillow-wrapping bag A, the length from the folded-back position of the back-sealing seal portion 5 to the opening means 7 composed of a cut tape is f, the length of the opening means 7 composed of a cut tape is g, The length from the end of the opening means 7 consisting of a cut tape to the backing seal portion 5 is h,
Assuming that the length of the back-sealing seal portion 5 is i, the opening portion 9 is not too far from the folded position of the back-sealing seal portion 5, and it is desirable that i> f.

Further, in the present invention, as shown in FIG. 7, for example, as described above, the opening means comprises a perforated cutting line such as a perforated cutting line or a linear perforated line. In the case of the pillow-wrapping bag B using 7a, the back-sealing seal portion 5 is bounded by the position of the opening means 7a formed by a perforation line such as a perforated line such as a perforated line or a perforated line. The length from the folded position to the opening means 7a consisting of a perforated cut line such as a perforated line or a perforated line is f, and the perforated line such as the perforated line or perforated line is opened. Opening means 7 consisting of a cutting line for use
Assuming that the length of the back-attached seal portion 5 in the other direction of a is h and the length of the back-attached seal portion is i, the unsealing portion 9a moves from the folded position of the back-attached seal portion 5. The relationship is not too far apart, and it is desirable that i> f.

Next, in the present invention, the material constituting the above-mentioned pyro-packaging bag according to the present invention and the method for producing the same will be described.
Basically, a packaging bag can be manufactured by using a laminated material composed of at least a base film and a heat-sealing film, and then making the bag. By the way, as the base film constituting the laminated material, this is
Because it is the basic material that makes up the packaging bag,
A resin film or sheet having excellent properties in physical, chemical, other, etc. can be used, and specifically, for example, polyester-based resin, polyamide-based resin, polyaramid-based resin, polyethylene-based resin A film or sheet of a tough resin such as a resin, a polypropylene resin, a polycarbonate resin, an acrylic resin, a polyacetal resin, a fluorine resin, or the like can be used. Thus, the above resin film or sheet
Any of unstretched films or stretched films uniaxially or biaxially stretched can be used. Further, in the present invention, the thickness of the resin film may be a thickness that can be held to the minimum necessary for strength, rigidity, etc., and is about 10 μm.
To about 100 μm, preferably about 12 μm to 5 μm.
About 0 μm is most desirable.

Next, in the present invention, when the bag for the pillow packaging according to the present invention is made, it is preferable to use at least a heat-sealing film as the innermost layer. The heat-sealing film to be formed may be any film that can be melted by heat and fused to each other. For example, low-density polyethylene, medium-density polyethylene, high-density polyethylene, linear low-density polyethylene, polypropylene, ethylene -Vinyl acetate copolymer, ionomer resin, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-propylene copolymer, methylpentene polymer, polybutene polymer -It is possible to use a film or sheet of a resin such as an acid-modified polyolefin resin and others. Kill. As the thickness of the resin film, about 10 μm to 300 μm, preferably,
A thickness of about 20 μm to 100 μm is desirable.

Next, in the present invention, in addition to the above-mentioned materials, for example, if necessary, a material having a property of shielding light such as sunlight or a property of not transmitting water vapor, water, gas, etc. Which may be a single base material or a composite base material obtained by combining two or more base materials. Specifically, for example,
Aluminum foil having a light-shielding property and a barrier property, a resin film having a vapor-deposited film thereof, a silicon oxide film having a barrier property, a resin film having a vapor-deposited film of an inorganic oxide such as aluminum oxide, a barrier against water vapor, water, etc. Low-density polyethylene, medium-density polyethylene, high-density polyethylene, linear low-density polyethylene, polypropylene, a resin film or sheet such as an ethylene-propylene copolymer, and polyvinylidene chloride having gas barrier properties; Resin films or sheets such as polyvinyl alcohol, saponified ethylene-vinyl acetate copolymer,
Films or sheets of various colored resins having a light-shielding property obtained by adding a colorant such as a pigment to a resin, adding a desired additive, and kneading to form a film can be used. These materials can be used alone or in combination of two or more. The thickness of the above-mentioned film or sheet is arbitrary, but usually 5 μm to 3 μm.
It is preferably about 00 μm, more preferably about 10 μm to 100 μm. Further, in the above, the aluminum foil has a thickness of about 5 μm to 30 μm, and the aluminum or inorganic oxide deposited film has a thickness of about 1 μm to 30 μm.
Thousands of about $ 2000 to $ 2000 can be used. Examples of the resin film supporting the above-mentioned vapor-deposited film include a polyester film, a polyamide film, a polyolefin film, a polyvinyl chloride film, a polycarbonate film, a polyvinylidene chloride film, a polyvinyl alcohol film, and an ethylene-acetic acid film. Saponified vinyl copolymer films and the like can be used.

In the present invention, besides the above-mentioned materials, the pillow-packing bag is usually used under various conditions, both chemically and physically, when filling and packaging various articles. Often placed, for this purpose, in addition to the above-mentioned materials, a resin film or sheet constituting a normal flexible packaging bag can also be used, and specifically, for example, Low density polyethylene, medium density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, ionomer resin, ethylene-ethyl acrylate copolymer, ethylene- Acrylic or methacrylic acid copolymer, methylpentene polymer, polybutene resin, polyvinyl chloride resin, polyvinyl acetate resin, polyvinyl chloride Resin, vinyl chloride-vinylidene chloride copolymer, poly (meth) acrylic resin, polyacrylonitrile resin, polystyrene resin, acrylonitrile-styrene copolymer (AS resin), acrylonitrile-butadiene-styrene copolymer Coalescing (ABS resin), polyester resin, polyamide resin, polycarbonate resin, polyvinyl alcohol resin, saponified ethylene-vinyl acetate copolymer, fluorine resin,
It can be arbitrarily selected from known resin films or sheets such as diene resins, polyacetal resins, polyurethane resins, nitrocellulose and others. In addition, for example, films such as cellophane, synthetic paper, various paper base materials, and the like can be used. In the present invention, any of the above-mentioned resin films or sheets that have not been stretched or stretched uniaxially or biaxially can be used. The thickness is arbitrary, but can be selected from a range of several μm to 300 μm. Further, in the present invention, the resin film or sheet may be any film such as an extruded film, an inflation film, a coating film and the like.

Next, in the above-mentioned present invention, a method for producing a laminated material constituting the pillow-packaging bag according to the present invention using the above-mentioned materials will be described. Laminating method used when manufacturing the packaging material of the present invention, for example, wet laminating method, dry laminating method, solvent-free dry laminating method.
It can be performed by an extrusion method, an extrusion lamination method, a T-die coextrusion molding method, a coextrusion lamination method, an inflation method, or the like. Thus, in the present invention, when performing the above lamination, if necessary, a pretreatment such as a corona treatment or an ozone treatment can be applied to the film. (Urethane-based), polyethyleneimine-based, polybutadiene-based, organotitanium-based anchor coating agents, or polyurethane-based, polyacryl-based, polyester-based, epoxy-based, polyvinyl acetate-based, cellulose-based, etc. Known anchor coating agents, adhesives, and the like, such as the adhesive for laminating, can be used.

By the way, in the above-mentioned method of manufacturing a laminated material, the extruded resin constituting the adhesive resin layer at the time of extruding and laminating is, for example, polyethylene,
Ethylene-α-olefin copolymer, polypropylene,
Copolymers of ethylene and unsaturated carboxylic acids such as polybutene, polyisobutene, polyisobutylene, polybutadiene, polyisoprene, ethylene-methacrylic acid copolymer, or ethylene-acrylic acid copolymer, or acid-modified polyolefins obtained by modifying them A series resin, an ethylene-ethyl acrylate copolymer, an ionomer resin, an ethylene-vinyl acetate copolymer, and the like can be used. Further, in the present invention, as the adhesive constituting the adhesive layer at the time of dry lamination, specifically,
Two-component curable urethane adhesives, polyester urethane adhesives, polyether urethane adhesives, acrylic adhesives, polyester adhesives, polyamide adhesives, polyvinyl acetate adhesives used in dry laminates, etc. An adhesive, an epoxy-based adhesive, a rubber-based adhesive, and the like can be used.

Next, in the present invention, in the method for producing a pillow packaging bag using the laminated material according to the present invention, the heat sealing method includes, for example,
Roll, rotary roll seal, belt seal, impulse seal
It can be performed by a known method such as a seal, a high-frequency seal, an ultrasonic seal, or the like. Thus, the bag-shaped seal-sealed seal type,
Heat seal forms such as pleated seal type, flat bottom seal type, square bottom seal type, boat bottom seal type, etc. can be given. Pilo-packaging bags can be manufactured.

Next, in the present invention, in the above-mentioned pillow-wrapping bag, the opening means made of a tape or the like is, for example, polyethylene, polypropylene, or the like.
A cut tape (tea tape) formed by stretching a film of a resin such as polyamide or polyester in a uniaxial direction and cutting the film to a width of about 3 to 10 mm can be used. Thus, in the present invention, it can be formed by attaching a heat seal or the like to the inner surface or the like of the laminated material constituting the pillow packaging bag.

Further, in the present invention, in the above-mentioned pillow-wrapping bag, the opening means comprising an opening cut line such as a perforated cut line or a linear cut line may be, for example, a conventional one. Using a cutter, knife, embossed plate or embossing roll, laser cut using a carbon dioxide laser, etc., etc., using a film alone or a laminated material, and a bag It can be engraved in the state. In the present invention, the shape of the opening means may be any cut shape such as a straight cut line, a perforated cut line, or the like. In the present invention, as the opening score line, a half-cut opening score line in which the score line is engraved to the middle position of the layer is preferable.

In the present invention, the pillow-packing bag according to the present invention produced as described above can be used for filling and packaging of various articles, for example, food and drink, miscellaneous goods,
It is suitable for filling and packaging of articles such as pharmaceuticals, industrial products, and others.

[0024]

The present invention will be described more specifically with reference to the following examples. Example 1 A biaxially stretched nylon film having a thickness of 25 μm coated with a polyvinylidene chloride resin and a biaxially oriented polypropylene film having a thickness of 20 μm were dry-laminated using a two-component curable polyurethane-based adhesive. Further, a 60 μm-thick ethylene-vinyl acetate copolymer film is dry-laminated on a biaxially stretched polypropylene film using a two-component curable polyurethane-based adhesive in the same manner as described above. A laminated material of 280 mm × 150 mm was manufactured. On the other hand, a 20 .mu.m thick ethylene-vinyl acetate copolymer film, a 16 .mu.m thick uniaxially stretched polyethylene terephthalate film and a 20 .mu.m thick eddy peel
A cut tape having a width of 3 mm and having a laminated structure of a runt was prepared. Next, the cut tape was placed on the inner surface (ethylene-vinyl acetate copolymer film) of the above-mentioned laminated material at a position 25 mm from the short end, and the ethylene-vinyl acetate copolymer film surface was placed on the inner surface (ethylene-vinyl acetate copolymer film). Heat seal as a sealing surface, and further, a notch for opening is cut in the cut tape to obtain an original film. Next, the above-mentioned raw film was set in a pillow-filling and packaging machine, and the width was 20 mm.
While attaching the back so that it becomes
10 pieces), and the top and bottom seals were further sealed so that the folded back of the back was shifted by 45 mm from the center to produce a pillow-wrapped product. In the above-mentioned pillow-wrapping bag, the positions of the cut tape with respect to the back-sealing seal portion were f = 5 mm, h = 15 mm, and i = 120 mm (see FIG. 6).

Example 2 A 25 μm-thick biaxially stretched nylon film coated with a polyvinylidene chloride resin and a 20 μm-thick biaxially stretched polypropylene film were dry-laminated using a two-component curing type polyurethane adhesive. Then, a 60 μm-thick ethylene-vinyl acetate copolymer film is dry-laminated on a biaxially oriented polypropylene film using a two-component curable polyurethane-based adhesive in the same manner as described above, and X A laminated material having a length of 280 mm x 150 mm was manufactured. Next, a perforated cut line was cut at a position 25 mm from the short end of the laminated material to obtain a raw film. Next, the above-mentioned raw film was set in a pillow-filling and packaging machine, and the contents (10 sliced cheeses) were filled while the back was attached so as to have a width of 20 mm.
The top and bottom seals were sealed so that the back of the back was shifted 45 mm from the center to produce a pillow-wrapped product. In the above-mentioned pillow-wrapping bag, the position of the cut tape with respect to the back-sealing seal portion is f = 5 mm, h = 20.
mm, i = 120 mm (see FIG. 7).

[0026]

As is apparent from the above description, the present invention relates to a pillow-wrapping bag, which is provided, for example, in the vicinity of the back-sealing portion, along the back-sealing portion, for example, with a cut tee. Opening means such as a tape or a cutting line for opening is provided in parallel, and the bag is opened by the opening means and the contents are taken out. When it is folded up, the back-sealing seal portion covers and uncovers the unsealed portion, and can function as a simple lid with recloseability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a pillow-packaging bag according to the present invention and illustrating its configuration.

FIG. 2 shows the X of the piro-packaging bag according to the invention shown in FIG.
It is sectional drawing in the -X '.

FIG. 3 is a perspective view showing a structure of the bag for pillow packaging according to the present invention shown in FIG. 1 in which a back-sealing seal portion functions as a simple lid having reclosing property.

FIG. 4 is a perspective view showing a configuration of another embodiment of the pillow-packaging bag according to the present invention.

FIG. 5 is a perspective view showing a configuration in which a back-sealing seal portion functions as a simple lid having reclosability in another embodiment of the pillow-packaging bag according to the present invention shown in FIG.

FIG. 6 is a cross-sectional view showing a configuration of the bag for pillow packaging according to the present invention in which an opening means is provided in the vicinity of the backing seal portion along the backing seal portion.

FIG. 7 is a cross-sectional view showing a configuration of the bag for pillow packaging according to the present invention in which an opening means is provided in the vicinity of the backing seal portion along the backing seal portion.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Original film 2 Contents 3 Upper seal part 4 Lower seal part 5 Back-sealing seal part 5a Simple lid with reclosing property 6 Pillow packaging bag 7 Opening means made of cut tape 7a Opening means consisting of a perforated cut line such as a perforated cut line or a linear cut line 8 Opening notch 9 Opening section 9a Opening section A Pilo-packaging bag according to the present invention B Another form according to the present invention consisting pyro - packaging bag M arrow M _1, M ₂ arrow N arrow P back lined sheet - bonding points f spine corresponding to the position in the vicinity of the pole tip sheet - Kattote from the return position of the pole tip - opening means consisting flop G Length of the opening means consisting of cut tape h Length of the back-sealing part from the end of the opening means consisting of cut tape i Length of the back-sealing part

Claims (3)

[Claims] 1. A bag for pillow-packaging, characterized in that the bag for pillow-wrapping is provided with an opening means in the vicinity of the back-sticking seal part along the back-sticking seal part. 2. The bag according to claim 1, wherein the opening means is a cut tape or a score line for opening. 3. After the back-sealing seal has been opened by the opening means, the back-sealing seal is folded over the opening to form a simple recloseable lid. 3. A piro-packaging bag according to claim 1 or 2, characterized in that it comprises: