JP2002225945A - Cushioning packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cushioning packaging bag which can smoothly receive an object which needs cushioning while the object can be easily inserted and removed. SOLUTION: The cushioning packaging bag comprises an air passage 2 which is formed by overlaying plastic films and gluing their required portions, and an air sealing bag 3 connected with one of side rims of the passage 2. The air sealing bag 3 is equipped with a plurality of air division-sealing bags 4 formed by gluing the bag 3 at a plurality of portions, check valves 5 which are designed and placed to allow the bags 4 and the passage 2 to communicate with and shut from each other individually, and creases 6 for forming storage spaces which are formed by individually gluing every two rows in a direction across each bag 4 on both sides of the bag 3. A base 1 of the packaging bag is folded from both sides in a direction across each division-sealing bag 4, both side rims 9 and 11 are overlaid, both lateral sides of the bag 4 are glued, and an opening 28 for insertion/removal is formed at the overlap between both lateral sides which have been glued.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buffer packaging bag, and more particularly, to a plastic film in which a number of air-tight bags are sectioned and arranged as generally called a wave-shaped cushioning material. The present invention relates to a buffer packaging bag made of the above cushioning material.

[0002]

2. Description of the Related Art By supplying air from a supply port,
Each of the large number of sealed bags can be filled with air at one time, the once filled air does not flow out unexpectedly due to the check action of the check valve, and some of the many sealed bags are sealed. Conventionally, various types of plastic film cushioning materials have been provided which are configured so that even if the bag is damaged, air is released only to the specified sealed bag.

[0003] Also, a buffer packaging bag formed by using the above-mentioned cushioning material is well known as disclosed in Japanese Utility Model Publication No. 6-35973, for example. Also, the entire shape is formed in the shape of an envelope, and since there is not provided a space for accommodating the article to be packaged having a required depth (height) inside, the air is supplied to inflate the packaging bag. In this state, it is difficult to smoothly perform the operation of inserting / removing the packaged object from the insertion / removal opening. In particular, the packaged object is used as a shock-absorbing packaging bag for cubic hard equipment having corners such as a portable DVD. Is extremely unsuitable, and even if it is possible to accommodate these devices, the packaging bag may be damaged due to the corners of the devices during transportation and during insertion / removal operations through the insertion / removal opening. If it cannot provide a sufficient buffering effect and easily damages expensive equipment There is a serious problem that Tsu.

[0004] Some of the above-mentioned conventional buffer packaging bags are provided with a glue lid at the opening for inserting and removing the packaged article, and those without a lid at all. In the former case, There is a problem that it is not possible to re-use the bag as a buffer bag because the glue lid must be cut or cut off when removing the packaged item.In the latter case, the packaged item cannot be unexpectedly inserted through the opening for insertion and removal during transportation. And there is a problem that other objects easily enter through the insertion opening.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been developed to solve the above problems, and when air is supplied to inflate a buffer packaging bag, a required depth is provided inside. The storage space for the packaged object provided, the opening / closing opening that can be opened and closed, and the portion that functions as a lid of the opening are naturally formed, so that the packaged object can be stowed securely without any difficulty. It is an object of the present invention to provide a shock-absorbing packaging bag that has an advantage that it can be easily removed and that a stored article does not unexpectedly escape from an insertion / removal opening.

[0006]

Means for Solving the Problems As a means for solving the above-mentioned problems and achieving the object, the first invention of the present application is constituted by heating and bonding required portions of a plastic film which is double-overlapped. 1. A buffer packaging bag formed by using a substrate 1. The substrate 1 of the buffer packaging bag includes a flat air supply path 2 having an air supply port 13 at one end, and one side edge of the supply path 2. And a flat air-sealing bag portion 3 connected to the air-tight bag portion 3. The sealing bag portion 3 is heat-bonded to the sealing bag portion 3 at a plurality of locations in a direction crossing a side edge of the supply path 2. A plurality of independent air-sealing bag sections 4 formed in a divided manner, and the inside of each of the above-mentioned section sealing bag sections 4 and the inside of the above-mentioned air supply path 2 are configured so as to be able to communicate with each other and to be shut off. Flat check valve 5 made of plastic film and longitudinal direction of the sealing bag 3 On both sides of the base 1 along the direction, crossing each section sealing bag part 4, at a predetermined interval, at least one line is formed by heating and adhering to form a storage space 29 for the article A to be packaged in the buffer packaging bag. And a fold 6 for forming a space through which air can be circulated, and the base 1 of the flat buffer packaging bag configured as described above is placed in a direction traversing each section sealing bag portion 4. After being folded from both sides, both sides of the base 1 along the longitudinal direction of the compartmentalized sealing bag portion 4 are heat-bonded except for the air supply port 13 of the air supply passage 2, and the heat-bonded sections between the both sides are bonded. An opening 28 for inserting and removing the article to be packaged A is formed between the edges of the base 1 in the longitudinal direction of the sealed bag portion 4, and air is press-fitted into the supply passage 2 from the supply port 13, thereby forming the sealed bag portion 3. To complete the buffer packaging bag. And it provides a buffer packing bag to.

Further, in the second invention of the present application, in the first invention, the space forming folds 6 are provided with heating and bonding means at least partially in at least one line while maintaining an appropriate interval between each of the compartmentalized sealing bags 4. The present invention provides a cushioning packaging bag configured to allow air to flow.

[0008] The third invention of the present application is the first or second invention.
In the present invention, the folding fold 7 for bending and opening the insertion / removal opening 28 of the packaged object A is formed, and the bending fold 7 forms each space on both sides of the sealing bag portion 3. At least one line is provided substantially parallel to the space forming fold 6 at a position offset to one side of the space forming fold 6 between the space forming folds 6. An object of the present invention is to provide a shock-absorbing packaging bag which is provided with a heating and bonding means so that air can flow therethrough.

A fourth invention of the present application is the invention according to any one of the first to third inventions, wherein the base 1 of the flat buffer packaging bag is folded in the longitudinal direction of the compartmental sealing bag portion 4 when the base 1 is folded. By overlapping the edges, the packaged object A is placed on the overlapped portion between the heat-bonded both sides.
The present invention provides a cushioning packaging bag characterized in that an insertion opening 28 is formed.

In a fifth aspect of the present invention, in the fourth aspect, the sealing bag portion 3 extends to the outer edge side of the overlapped edges of the base 1 and is located near the inner edge side. A flat flap 30 is formed so as to face the outer surface of the flap 30, an adhesive layer 31 is provided on the inner surface of the flap 30, and the insertion / removal opening 28 can be covered. The present invention provides a buffer packaging bag.

According to a sixth aspect of the present invention, in the fifth aspect, the flat flap portion 30 is formed of the flat buffer packaging bag base 1, and the flat flap portion 30 and the sealing bag portion 3 are connected to each other. It is intended to provide a buffer packaging bag characterized in that the space is partitioned by heat bonding.

The seventh invention of the present application is the invention according to the fifth invention, wherein the sealing bag portion 3 opposed to the flat flap portion 30 is provided.
Transfer layer 33 that can be transferred to the adhesive layer 31 on the outer surface of
The present invention is to provide a buffer packaging bag characterized by the provision of:

According to an eighth aspect of the present invention, in the seventh aspect, the transfer layer 33 is a sheet-like material or a film-like material adhered to the outer surface of the sealing bag portion 3, or the outer surface of the sealing bag portion 3. The transfer layer 33 is formed by a printing layer directly printed on the surface, and after the adhesive layer 31 of the flap is stuck on the transfer layer 33 and closed, when the seal is opened, part or all of the transfer layer 33 is peeled off. The present invention provides a cushioning packaging bag characterized in that the cushioning bag is transferred to the adhesive layer side of the flap 30.

According to a ninth aspect of the present invention, in the eighth aspect, the transfer layer 33 made of the sheet-like material or the film-like material is formed of a plurality of materials, and the material can be peeled off. It is intended to provide a buffer packaging bag characterized by the above.

[0015] The tenth invention of the present application is the first to third inventions.
In any one of the inventions described above, when the base 1 of the flat cushioning packaging bag is folded, the edges of the base 1 in the longitudinal direction of the compartmentalized sealing bag portion 4 are abutted against each other, whereby the heat-bonded side edges are formed. An object of the present invention is to provide a shock-absorbing packaging bag, characterized in that an opening 28 for inserting / removing an article to be packaged A is formed in a butt portion.

Further, the eleventh invention of the present application provides the first to third aspects.
In any one of the inventions described above, when the base 1 of the flat buffer packaging bag is folded, the edges of the base 1 in the longitudinal direction of the compartmentalized sealing bag portion 4 are opposed to each other so that the heat-adhered side edges are opposed to each other. An object of the present invention is to provide a cushioning packaging bag in which an opening portion 28 for inserting / removing an article to be packaged A is formed in the facing portion.

According to a twelfth aspect of the present invention, there is provided the buffer packaging bag according to the first aspect, wherein the base 1 is made of a transparent or translucent plastic film. It is.

According to a thirteenth aspect of the present invention, the accommodating space 29 for the article to be packaged A is formed by a first accommodating portion and a second accommodating portion, and each of the accommodating portions has an opening. A part of the opening edge of each of the openings is shared by each of the housings, and thereby each of the housings can be positioned so that each of the openings faces the opening. A is placed in the storage space 29 by putting the opening of the second storage unit into the opening of the first storage unit after A is put in the first storage unit.
The first accommodating section and the second accommodating section are formed by using a base 1 formed by heating and bonding required portions of a plastic film that is double-laid, and the base 1 is heated at a plurality of positions. A plurality of independent air compartment sealing bags 4 formed by adhering compartments are provided, and the interior of the compartment sealing bags 4 is filled with air, and the openings are shared by the accommodation portions. A fold 7 for bending is provided at the section sealing bag at the edge.
The folding fold 7 provides a cushioning packaging bag characterized in that air can flow therethrough. Here, the first storage portion and the second storage portion are named bag-shaped portions located on both sides of the insertion / removal opening 28, respectively. The accommodation space for the packaged object A is a space formed inside each of the first accommodation portion and the second accommodation portion. The opening indicates a portion corresponding to the mouth of the bag-shaped portion, in which the first accommodation portion and the second accommodation portion face the insertion / removal opening 28, respectively, and the opening edge indicates the edge.

According to a fourteenth aspect of the present invention, in the thirteenth aspect, each of the compartmental sealing pouches 4 constituting the first accommodation part and the second accommodation part is supplied through one air supply passage 2. And a check valve 5 which is formed so as to be able to supply the air to be supplied to each other, and is configured to be able to communicate and shut off the inside of the supply path 2 and the compartmentalized bag section 4 separately. Is what you do.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) An embodiment of the present invention will be described below with reference to the accompanying drawings. Reference numeral 1 denotes a base of a buffer packaging bag according to the present invention. Then, a flat air supply path 2 formed by laminating two heat-sealable plastic films (sheets) of the same shape and the same size, and heating and bonding required portions, and the air in the supply path 2 And a flat air-sealing bag portion 3 continuously provided on one side edge along the supply direction.

The sealing bag portion 3 has a plurality of independent air sealing bag portions 4 and a plurality of plastic film check valves disposed separately in each of the partition sealing bag portions 4. 5, a box-shaped accommodation space 29 having a required depth (height) for accommodating the article to be packaged A in the buffer bag when air is supplied and inflated into the buffer bag. A space forming fold 6 for forming naturally and a bending fold 7 for bending and opening an insertion / removal opening 28 of the packaged object A described later are provided.

When the four sides of the two superposed rectangular plastic films are heat-bonded 8, 9, 10 and 11, the air supply path 2 is connected to one of the short sides. The heat bonding portion 8 is formed between the heating bonding portion 12 and the heating bonding portion 12 provided at a short width inside thereof, and one edge side is opened between the two bonding portions 8 and 12. It is composed of a short, flat tubular body having a formed air supply port 13. In this embodiment, the heat bonding portion 9 on the side of the air supply port 13 is formed to be slightly wider than the other heat bonding portions 8, 10, and 11 for the reason described later. Further, as described later, the heat bonding portion 12 is provided so that a plurality of partitioned sealed bag portions 4 to 4 formed by partitioning the air sealed bag portion 3 and the air supply path 2 can be individually communicated. It is.

The plurality of independent air compartment sealing bags 4 to 4 provided on the air sealing bag 3 extend the sealing bag 3 at a plurality of positions over the entire length in the direction crossing the air supply path 2. A check valve 5 described below is disposed in each of the sealed bag sections 4 to 4 by heating and bonding 14 to 14 in parallel. 4 and the air supply path 2 can be communicated only through the respective check valves 5.

As shown in FIGS. 7 and 8, each check valve 5 is formed by laminating two flexible and thin rectangular heat-adhesive plastic films, such as polyethylene films, in the longitudinal direction. Heat bonding parts 15, 15 on both side edges
To form a check valve main body 19 having an air flow path 18 having openings 16 and 17 at upper and lower sides. In the state in which 20 faces the upper opening 16, a mountain-shaped bonding portion 21 is provided by heating bonding means.

The flat check valve 5 is formed by connecting the first branch flow paths 18a, 18a of the diagonally outward air to the lower half part of the flow path 18 by the mountain-shaped adhesive portion 21. In the figure, reference numeral 22 denotes a single bonded portion that reaches the lower side of the check valve main body 19 and is heated and bonded in the longitudinal direction to the lower intermediate portion of the mountain-shaped bonded portion 21. And 1
Reference numerals 8b and 18b denote second branch flow paths of air formed below the check valve main body 19 by the adhesive portion 22.

As shown in FIG. 8, each check valve 5 configured as described above has a non-adhesive portion in an adhesive portion 12 in which each section sealing bag portion 4 is connected to the air supply path 2. 12a, is inserted into each of the compartmental sealing bags 4, and the outer edge of the upper opening 16 of the flow path 18 of the check valve 5 is bonded to the non-adhesive portion 12a.
Are adhered to both inner side surfaces of the respective sections, and are arranged in each of the section sealed bag portions 4.

Therefore, each of the compartmental sealing bags 4 is provided with the upper opening 16, the lower opening 17, and the first opening 16 of the flow path 18 of the check valve 5.
Branch flow paths 18a, 18a and second branch flow paths 18b, 18
b, the plurality of sealing bags 4 communicate with one side edge of the supply path 2 only through each flow path of the check valve 5. It is connected in parallel as possible.

In this embodiment, as shown in the plan view of FIG. 1, the space forming folds 6 are provided on both sides of the sealing bag portion 3 in a direction crossing each partition sealing bag portion 4. Keeping the same distance L1, two rows in each section sealed bag part 4
A partial bonding portion 6a and a partial communication portion 6b formed by applying a partial heating bonding means on the same straight line,
The space forming folds 6 are configured such that air can flow through the partial communication portions 6b. The space forming folds 6 may be formed in a single line. In this case, in order to form a storage space 29 to be described later inside the buffer packaging bag, each of the compartmental sealing bags 4 is formed. It is necessary to form each section sealing bag portion 4 so that it is swelled three-dimensionally when air is supplied.

As shown in FIG. 1, in the present embodiment, the bending folds 7 are formed in the two rows of space formed in the sealing bag portion 3 on the side where the air supply path 2 is not provided. On the inner side separated from the folds 6, 6 by an interval L2, a partial heat bonding means is formed on each section sealing bag section 4 in the direction crossing each section sealing bag section 4 on the same straight line. Each of the bent folds 7 is constituted by an adhesive portion 7a and a partial communication portion 7b so that air can flow through the partial communication portion 7b.

In this embodiment, as a means for reducing the bulk of the buffer packaging bag by bleeding air from each compartmentalized sealing bag portion 4 when it is used and needs to be discarded, the plane shown in FIG. As shown in FIG.
An inverted V-shaped notch 23a for cutting is provided in the wide heat bonding portion 9 among 9, 10, and 11, and a semicircular cutting notch 23b is formed in the heating bonding portion 11 on the opposite edge. Has been established.

As an air vent other than the notch,
In this embodiment, an embodiment schematically shown in FIGS. 1 and 9 is employed. That is, this air venting means is provided on each of the compartmentalized sealing bag portions 4 on one side of the buffer packaging bag main body 1, by providing a small air release cutout 24 on the same straight line, and after attaching the easily peelable tape 25 thereon. A heat-bonding portion 26 is provided around each cut 24 to prevent air leakage during use as a buffer packaging bag, and to release air, peel off the easily peelable tape 25 as shown in FIG. And each cut 24
It is configured to deflate the air. In addition, in the same figure, the code | symbol 26 'has shown the trace of the heat bonding part 26 transferred to the peelable easy-to-peel tape 25.

According to the above-described air bleeding means, there is an advantage that after the air is bleed out, each cut 24 is closed again with the easily peelable tape 25, so that even after the bleeding air can be used repeatedly as a buffer packaging bag. Various tapes can be used as the easily peelable tape 25. For example, a tape obtained by laminating a commercially available polyethylene film having easy peelability with an adhesive or extrusion laminating means on a stretched polyester film, for example, is used. Is preferred.

Further, by using a transparent sheet or a translucent sheet as the plastic film constituting the base 1 of the buffer packaging bag and the plastic film forming the check valve 5, as described later, each of the compartmentalized sealed bag portions is formed. Even after the container 4 is inflated, it is configured as a transparent buffer packaging bag as a whole, and there is an advantage that the packaged object A stored inside can be seen through from the outside. Conversely, by using an opaque sheet, there is an advantage that the packaged object A cannot be seen through, and it is sufficient to use each of them as needed according to the packaged object A.

Further, the base body 1 of the buffer packaging bag shown in FIG. 1 constructed as described above is folded from both sides in a direction crossing each of the compartmentalized sealing bag portions 4, and as shown in FIG. After overlapping both side edges so that the space forming folds 6, 6, 6, 6 provided in two rows respectively on both sides of the bag portion 3 are arranged at symmetrical positions, both sides along the section sealing bag portion. Are heated and bonded except for the air supply path 2, and an opening 28 for inserting and removing the packaged object A is formed in the overlapped portion between the heated bonding portions 27, 27, thereby forming the present invention. 1 illustrates a buffer packaging bag according to an embodiment.

Next, the use state of the buffer packaging bag constructed as described above will be described together with its operation and effects. Air supply path 2
When, for example, a short air injection pipe P is inserted and tightly fitted into the supply port 13 and air is press-fitted from the injection pipe P, the air press-fitted into the supply path 2 passes through each check valve 5 and passes through the respective sealed bags. Enter section 4 and inflate each section sealed bag section 4.

That is, even if each of the compartmental sealing bags 4 is provided with the space forming fold 6 and the bending fold 7, the partial communication portions 6b, 7b, the supplied air is supplied to the partial communication portions 6b, 7 of the space forming fold 6 and the bending fold 7 respectively.
b, each compartment sealing bag portion 4 can be reliably inflated.

At this time, the heat-bonding portion 2 is provided along the both sides of the overlapping portion of the base 1 of the buffer packaging bag.
7 and 27, when the buffer packaging bag is inflated with air, as shown in FIGS. 3 to 5, the buffer packaging bag is pneumatically compressed to form the space forming folds 6, 6, 6, 6. A box-shaped accommodation space 29 having a depth (height) corresponding to the space L1 between the space forming folds 6, 6 is formed inside by being naturally bent inward from four places.

Therefore, even if the article A to be packaged in the cushioning packaging bag is a cubic hard device having corners such as a portable DVD, the cushioning packaging bag is not damaged. It can be smoothly inserted and removed from the insertion opening 28.

When the packaged object A is inserted, the insertion opening 28 is bent outward from the bent fold 7 so that the air sealing bag 3 is bent outward as shown in FIG. In addition, since it can be easily bent and can be further bent and expanded as shown in FIG. 6, the article to be packaged A can be more easily inserted and removed.
By folding inward and returning to the original position, the insertion / removal opening 28 can be covered by the overlapping portion, so that the stored packaged object A can be reliably prevented from unexpectedly escaping to the outside.

Also, since each of the compartmentalized sealing bags 4 is independently constructed, even if the compartmentalized sealing bag 4 is partially damaged, as is the case with a known buffer packaging bag of this type, The check valve 5 has almost no adverse effect on the cushioning effect of the valve.
0 is directed toward the upper opening 16 of the check valve body 19, and a mountain-shaped heating adhesive portion 21 provided at a lower intermediate portion thereof is provided. It is possible to more reliably prevent the backflow of the air filled in the compartment sealing bag portion 4.

(Embodiment 2) In the above-described embodiment, when the base 1 of the flat cushioning packaging bag is folded, the divided sealing bag portion 4 is formed.
Are arranged such that the edges between the bases 1 in the longitudinal direction of (i.e., between the heat-bonded portions 8 and 10) are overlapped.
At the time of folding the base 1 of this flat cushioning packaging bag, between the edges of the base 1 in the longitudinal direction of the compartmentalized sealing bag 4 (ie,
By forming the heat bonding portion 27 as described above in a state where the edges of the portions of the heat bonding portions 8 and 10 are abutted with each other, the butting portion of the edge between the both sides of the heat bonding portion 27 is formed. The opening 28 for insertion / removal of the article to be packaged A can be formed. In the embodiment in this case, FIG. 10 shows a state in which the compartment sealing bag portion 4 is inflated, and the dimension D1 of the gap between the edges is in a state before the base 1 is folded and inflated, and is substantially designed by design. It is set so as to be "0".
Also in this case, since the accommodation space 29 is formed by the space forming fold 6, the thick packaged object A is bent at the bending fold 7 to expand the insertion / removal opening 28. When opened, the packaged object A can be easily inserted and removed.

(Embodiment 3) Between the edges of the base 1 in the longitudinal direction of the compartmentalized sealing bag portion 4 when the base 1 of the flat buffer packaging bag is folded (that is, the edges of the portions of the heat bonding portions 8 and 10). With a certain interval between them)
By forming the heat bonding portion 27 as described above, an opening 28 for inserting and removing the packaged object A can be formed in the facing portion between both sides of the heat bonding portion 27. In the embodiment in this case, FIG. 11 shows a state in which the section sealing bag portion 4 is inflated, and a fixed distance D2 is set between the edges.
The opening 28 for insertion / removal is formed by leaving only the opening. The formation of the dimension D2 is appropriately determined by a predetermined interval in a state before the base 1 is folded and expanded. In this case as well, as in the case of FIG. 10, the packaged object A can be easily inserted and removed, but since the edges of the insertion opening 28 are separated by the dimension D2,
Its insertion and removal becomes easier. Despite this easy insertion and removal, the inserted packaged object A is stored in the storage space 2.
In FIG. 9, the front, rear, left and right and up and down (that is, six surfaces) except for the insertion opening 28 are held, so that there is no unexpected escape.

(Embodiment 4) Further, in the embodiment shown in FIG. 12, the edge of the base 1 in the longitudinal direction of the compartmentalized sealing bag portion 4 when the base 1 of the flat buffer packaging bag is folded in the aforementioned embodiment. In a configuration in which the space (that is, the portion between the heat bonding portions 8 and 10) is overlapped, the air supply path 2
The heat-sealed portion 8 having the supply port 13 formed therein is directed to the inside, and is extended toward the heat-bonded portion 10 on the outside to form a flat flap portion 30, and the compartmentalized sealing bag in the vicinity of the inner edge side. The flap portion 3 is opposed to the outer surface of the portion 4.
An adhesive layer 31 is provided on the inner surface of the adhesive layer 0, and a release paper 32 is provided on the surface of the adhesive layer 31. And accommodation space 2
After inserting the article to be packaged A 9 into the package 9, the release paper 32 is peeled off, and the flap 30 is adhered to the outer surface of the compartmentalized sealing bag 4, so that the insertion opening 28 can be covered. FIG. 13 shows the base 1 of the buffer packaging bag according to this embodiment.
The adhesive layer 31 and the release paper 32 are provided on the edge of the flap portion 30 over the entire width thereof. By providing the flap portion 30 which can be adhered, the insertion state of the article to be packaged A into the accommodation space 29 becomes more reliable, and the packaging bag itself can be used without being accommodated in the outer box. .

(Embodiment 5) In the embodiment of FIG. 14, furthermore, the outside of the compartmental sealing bag portion 4 facing the flat flap portion 30 so that the removal of the inserted packaged object A can be prevented or distinguished. Transfer layer 3 that can be transferred to adhesive layer 31 on the surface
3 is provided. That is, as shown in FIG. 15 showing the folded state of the base 1 of the flat buffer packaging bag and FIG. 4, is formed wider than the adhesive layer 31 on the outer surface 4a, and extends over the entire width in a direction perpendicular to the longitudinal direction of the section sealing bag portion 4.
For example, it is formed of a sheet material 35 attached to the outer surface 4a with an adhesive 34, and a transfer material 36 having delamination property with respect to the sheet material 35. Then, after the flap portion 30 peels off the release paper 32 and the adhesive layer 31 is adhered to the transfer layer 33, when the flap portion 30 is peeled off, the transfer material is peeled off from the sheet material 35 by delamination. 36 is transferred to the adhesive layer 31, and after this transfer, the flap portion 30 cannot be bonded again to the outer surface of the compartmentalized sealing bag portion 4. Therefore, the transfer material 36
By printing on the surface, the flap portion 30
Can be easily discriminated that it has been peeled off. The transfer layer 33 may be a film material instead of the sheet material 35, or may be formed by a print layer in which a paint that can be transferred directly to the outer surface 4 a of the compartmentalized sealing bag portion 4 is printed. As described above, in this embodiment, when the adhesive layer 31 of the flap portion 30 is stuck on the transfer layer 33 and the packaging bag is closed and then opened, a part or all of the transfer layer 33 is opened. Is peeled off and transferred to the adhesive layer 31 side of the flap portion 30. If this packaging bag is opened in the middle of transportation, it can be determined at a glance, A can be prevented from being removed or replaced.

Although the main embodiments of the present invention have been described in detail above, the present invention is not limited to these embodiments, but can achieve the object of the invention and do not depart from the gist of the invention. Various design changes are possible, and those design changes are also included in the claims of the present invention.

[0046]

Since the present invention is configured as described above and used as described above, it has the following useful effects.

According to the first and second aspects of the present invention, when air is supplied to the sealed bag portion constituting the buffer packaging bag to expand it, the required depth (height) and width are provided in the packaging bag. Since the space for storing the packaged object and the wide opening for insertion / removal are naturally formed, the packaged object can be easily inserted and removed, and if the packaged object is a hard and square electrical device. Even so, the packaging bag can be reliably prevented from being damaged, and the cushioning packaging effect can be significantly improved.

According to the third aspect of the present invention, in addition to the effects of the first and second aspects, the insertion / removal opening can be opened widely by bending the buffer packaging bag outward from the bending fold. Therefore, the article to be packaged can be taken in and out more smoothly.

According to the fourth aspect of the present invention, in addition to the effects of the first to third aspects, the wide opening for insertion / removal is normally provided at the overlapping portion on both sides of the base of the buffer packaging bag. , It is possible to reliably prevent the packaged product from unexpectedly escaping without providing an opening / closing lid.

According to the fifth and sixth aspects of the present invention, in addition to the effect of the fourth aspect, by providing the flap portion which can be adhered, the insertion state of the article to be packaged into the space becomes more reliable. The packaging bag itself can be used without being stored in an outer box.

According to the seventh to ninth aspects of the present invention, in addition to the effect of the fifth aspect, when the adhesive layer is stuck on the transfer layer to cover and close the packaging bag, The transfer layer is partly or wholly peeled off and transferred to the adhesive layer side. If this packaging bag is opened during transportation, it can be identified at a glance, Extraction or replacement of the package can be prevented.

According to the tenth and eleventh aspects of the present invention, in addition to the effects of the inventions described in the first to third aspects of the present invention, the opening for insertion / removal can be expanded even for a thick packaged object. By opening, the packaged object can be easily inserted and removed.

According to the twelfth aspect of the present invention, in addition to the effects of the first aspect, by using a transparent sheet or a translucent sheet, even after each compartment sealing bag is inflated,
It is configured as a transparent buffer packaging bag as a whole, and the packaged object stored inside can be seen through from the outside.

According to the thirteenth and fourteenth aspects of the present invention, when air is supplied to the compartmentalized sealing bag to expand the space, a space for accommodating the object to be packaged is formed across the first accommodation portion and the second accommodation portion. Since an opening is formed between the first storage section and the second storage section, an article to be packaged can be inserted and removed. Further, by bending the buffer packaging bag outward from the bending fold, the opening for insertion / removal can be widely opened, so that the article to be packaged can be smoothly taken in and out.

[Brief description of the drawings]

FIG. 1, showing an embodiment of the present invention, is a plan view of a base of a buffer packaging bag.

FIG. 2 is a plan view of a buffer packaging bag formed by folding and stacking substrates.

FIG. 3 is a perspective view showing a state in which air is supplied and filled into the buffer packaging bag to swell the bag;

FIG. 4 is an enlarged side view showing a state in which air is supplied and filled into the buffer packaging bag and the bag is inflated.

FIG. 5 is an explanatory longitudinal sectional view showing a state where the buffer packaging bag is bent outward from the bending fold.

FIG. 6 is a perspective view showing a state in which an insertion opening is expanded.

FIG. 7 is a plan view of a check valve used in the present invention.

FIG. 8 is a partially cutaway perspective view showing a mounted state of a check valve.

FIG. 9 is an explanatory view showing a state in which the easily peelable film is partially peeled.

FIG. 10 is a longitudinal sectional view showing a state in which a buffer packaging bag is bent outward from a bending fold in another embodiment (Embodiment 2).

FIG. 11 is an explanatory longitudinal sectional view showing a state in which a buffer packaging bag is bent outward from a bending fold in another embodiment (Embodiment 3).

FIG. 12 is an explanatory longitudinal sectional view showing a state in which the buffer packaging bag is bent outward from the bending fold in another embodiment (Embodiment 4).

FIG. 13 is a plan view of a base of a buffer packaging bag in another embodiment (Embodiment 4).

FIG. 14 is a longitudinal sectional view showing a state in which the buffer packaging bag is bent outward from the bending fold in another embodiment (Embodiment 5).

FIG. 15 is a plan view showing a folded state of a base in another embodiment (Embodiment 5).

FIG. 16 is a partially enlarged cross-sectional view of another embodiment (Embodiment 5).

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Base of buffer packaging bag 2 Air supply path 3 Air sealing bag part 4 Air division sealing bag part 5 Check valve 6 Space forming fold 6a Partial bonding part 6b Partial communication part L1 interval 7 Bending fold Eye 7a Partially bonded part 7b Partially communicating part L2 interval 8.9.10.11 Heated bonding part on four sides of plastic film 12 Heated bonding part 12a Non-bonded part 12b Bonded part 13 Air supply port 14 Heated bonding part 15 Heating Adhesive part 16 Upper opening part 17 Lower opening part 18 Air flow path 18a First branch flow path of air 18b Second branch flow path of air 19 Check valve body 20 Square top 21 Mountain-shaped bonding part 22 Bonding part 23a 23b notch 24 air release cut 25 easily peelable tape 26 heat bonding part 26 'trace 27 heating bonding part 28 insertion / removal opening 29 accommodation space 30 flap part 31 Adhesive layer 32 Release paper 33 Transfer layer 34 Adhesive 35 Sheet material 36 Transfer material P Air injection pipe A Packaged material

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kazuhiko Hosokawa 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. 72) Inventor Yoshihito Takechi 5-1-1, Higashi-Honmachi, Yao-shi, Osaka F-term in Yamato Eslon Co., Ltd.

Claims (14)

[Claims] 1. A buffer packaging bag comprising a base (1) formed by heating and bonding required portions of a plastic film which is superimposed doubly, wherein the base (1) of the buffer packaging bag is A flat air supply path (2) having an air supply port (13) at one end, and a flat air sealing bag (3) connected to one side edge of the supply path (2). The sealing bag (3) has a plurality of compartments formed by heating and bonding the sealing bag (3) at a plurality of locations in a direction crossing a side edge of the supply path (2). Independent air compartment sealing bags (4), and the inside of each compartment sealing bag (4) and the inside of the air supply path (2) are configured so as to be able to communicate with each other and to be shut off. A flat check valve (5) made of a plastic film, and on both sides of the base (1) along the longitudinal direction of the sealing bag (3). There are, in a direction transverse to each compartment sealed bag portion (4), formed by heat bonding in at least one row with a predetermined interval, the receiving space of the packaged articles (A) into the buffer packing bag (2
And a space forming fold (6) through which air can flow to form 9), and the base (1) of the flat buffer packaging bag configured as described above.
Is folded from both sides in a direction crossing each section sealing bag section (4), and a base (1) along the longitudinal direction of the section sealing bag section (4).
Are heat-bonded except for the air supply port (13) of the air supply path (2), and the base (1) in the longitudinal direction of the compartmentalized sealing bag (4) between the heat-bonded both sides. An opening (28) for inserting and removing the article to be packaged (A) is formed between the edges of the package (A), and air is press-fitted into the supply path (2) from the supply port (13) so that the sealed bag section (3) Characterized in that the buffer packaging bag is configured to be inflated to complete the buffer packaging bag. 2. The space forming folds (6) are provided with heating and bonding means at least partially in a line at appropriate intervals in each of the compartmentalized sealing bags (4) so that air can be circulated. The buffer packaging bag according to claim 1, which is configured. 3. An opening (28) for insertion / removal of the packaged object (A).
A folding fold (7) for bending and opening the opening is formed, and the folding fold (7) is provided between the space forming folds (6) on both sides of the sealing bag portion (3). At least one line is provided substantially parallel to the space forming fold (6) at a position offset to one side of the space forming fold (6), and partially heated in each of the compartmentalized sealing bags (4). 3. The buffer packaging bag according to claim 1, wherein an air bonding means is provided to allow air to flow. 4. The heat-bonded both sides by overlapping the edges of the base (1) in the longitudinal direction of the compartmentalized sealing bag part (4) when folding the base (1) of the flat buffer packaging bag. The packaged object (A) is placed on the overlapping portion between the sides.
The cushioning bag according to any one of claims 1 to 3, wherein an insertion opening (28) is formed. 5. An extended edge of the superposed base body (1) extending to an outer edge side and facing an outer surface of a sealing bag portion (3) near an inner edge side. A flat flap portion (30) is formed, an adhesive layer (31) is provided on an inner surface of the flap portion (30), and the insertion / removal opening (28) can be covered. The buffer packaging bag according to claim 4, wherein 6. The flat flap portion (30) is formed by the base (1) of the flat buffer packaging bag, and heat-bonds between the flap portion (30) and the sealing bag portion (3). The cushioning packaging bag according to claim 5, wherein the bag is configured to be partitioned by: 7. A transfer layer (33) that can be transferred to the adhesive layer (31) is provided on the outer surface of the sealing bag (3) facing the flat flap (30). The buffer packaging bag according to claim 5, wherein 8. The transfer layer (33) includes a sealed bag (3).
Formed by a sheet-like material or a film-like material stuck on the outer surface of the flap, or a printing layer directly printed on the outer surface of the sealing bag portion (3), and the adhesive layer (31) of the flap is transferred to the transfer layer (3). 33) A configuration in which a part or the entirety of the transfer layer (33) is peeled off and transferred to the adhesive layer side of the flap (30) when the package is opened after being stuck on the cover and closed. The buffer packaging bag according to claim 7, characterized in that: 9. The buffer according to claim 8, wherein the transfer layer (33) made of the sheet-like material or the film-like material is formed of a plurality of layers of material, and is configured to be peelable between the materials. Packaging bag. 10. The heat-bonded both sides by abutting the edges of the base (1) in the longitudinal direction of the compartmentalized sealing bag part (4) when folding the base (1) of the flat buffer packaging bag. The buffer packaging bag according to any one of claims 1 to 3, wherein an opening (28) for inserting and removing the article to be packaged (A) is formed in the abutting portion between the sides. 11. The heat-bonded both sides by facing the edges of the base (1) in the longitudinal direction of the compartmentalized sealing bag part (4) when folding the base (1) of the flat buffer packaging bag. 2. An opening (28) for inserting / removing an article to be packaged (A) is formed in the facing portion between the sides.
4. The buffer packaging bag according to any one of items 1 to 3. 12. The buffer packaging bag according to claim 1, wherein said substrate (1) is made of a transparent or translucent plastic film. 13. An accommodation space (2) for the packaged object (A).
9) is formed by a first housing portion and a second housing portion, wherein each of the housing portions is a bag-shaped object having an opening, and a part of an opening edge of each opening. Is shared by each of the storage sections, whereby the respective storage sections can be positioned so that the respective openings face each other. After the packaged object (A) is placed in the first storage section, The object to be packaged (A) is stored in the storage space (29) by making the opening face the opening of the first storage part. The first storage part and the second storage part It comprises a base (1) formed by heating and adhering required portions of a plastic film that is double-superposed, and the base (1) is formed by heating and adhering at a plurality of positions to form a plurality of sections. Independent air compartment sealing bag (4), wherein said compartment sealing bag (4) Is filled with air, and a bent fold (7) is formed in a section sealing bag portion at an opening edge shared by the respective housing portions, and the bent fold (7) is formed. Is a buffer packaging bag characterized by being able to distribute air. 14. Each of the compartmentalized sealing bags (4) constituting the first storage section and the second storage section is formed so as to be able to supply air supplied through one air supply path (2). The buffer packaging bag according to claim 13, further comprising a check valve (5) configured so that the inside of the supply path (2) and the inside of the compartment sealing bag part (4) can be communicated and shut off separately. .