JP2014193739A - Packaging bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging bag capable of storing content after being used again.SOLUTION: A packaging bag 10 comprises: a first joint part 12 formed by lapping facing end parts of rectangular sheet materials 11 and jointing; and second joint parts 13, 14 jointing both ends of the cylindrical sheet material 11 on which the first joint part 12 is formed. The packaging bag 10 stores content P therein. The packaging bag 10 is opened when the sheet material 11 is broken along a breakage direction going toward the other from one side of the second joint part 13. On a position separated from the second joint part 14 of the sheet material 11 by predetermined distance, a film material 17 for inhibiting breakage of the sheet material 11 progressing along the breakage direction during opening of the packaging bag 10 is provided. After opening of the packaging bag 10, the content P can be stored in a space from the film material 17 to the other second joint part 14 in the packaging bag 10.

Description

  The present invention relates to a packaging bag.

Conventionally, a packaging bag made of a soft packaging material such as a film for individually packaging contents such as a hand towel is known.
The packaging bag includes a first joint part that is joined by overlapping both ends of a sheet material that is folded into a cylindrical shape, and a second joint part that is joined so as to close both ends of the cylinder, and the contents are contained in the internal accommodation space. 2. Description of the Related Art A packaging bag called a pillow type that accommodates an object is known.
As such a pillow-type packaging bag, easy opening means for breaking the packaging bag and forming a tearing portion over its entire length is provided close to the first joint portion, and the packaging bag is developed using the tearing portion as a trigger. The structure which can do is proposed (for example, refer patent document 1).

JP 2005-348968 A

By the way, the contents such as hand towels contained in such packaging bags are used for wiping dirt such as stool, urine, blood, vomit, etc. There is a possibility of polluting the environment (air, trash can inside and outside).
For this reason, when discarding the contents after use, I would like to wrap the contents after use in some packaging bag, but it is cumbersome to prepare a new packaging bag just for disposal. There has been a desire to reuse the packaging bag in which the object was originally stored to wrap the contents after use.
However, in the packaging bag described in Patent Document 1, the packaging bag is unfolded once it is torn at the time of use, so that the function as a packaging bag for storing contents is lost.

  An object of the present invention is to provide a packaging bag that can re-use the contents after use.

To solve the above issues,
The invention described in claim 1
A first joining portion in which the opposing ends of the rectangular sheet material are overlapped and joined;
A second bag that joins both ends of the cylindrical sheet material on which the first joint is formed, and a packaging bag that contains contents therein,
The packaging bag is opened by breaking the sheet material along a breaking direction from one of the second joints to the other,
At a position spaced apart from the other second joint of the sheet material by a predetermined distance, a breakage restraining member that restrains breakage of the sheet material that proceeds along the breakage direction when the packaging bag is opened is provided,
After opening the packaging bag, the contents can be accommodated in a space between the breakage-preventing member and the other second joint portion in the packaging bag.

The invention according to claim 2 is the packaging bag according to claim 1,
A locking portion having an adhesive layer is provided on the outer surface side of the sheet material in the one second joint portion,
The packaging bag is opened by breaking the sheet material while forming a band-like portion along the breaking direction from the one second joining portion.

The invention according to claim 3 is the packaging bag according to claim 1,
The inner surface side of the sheet material in the one second joint portion is provided with an adhesive layer that can be peeled and re-adhered,
The packaging bag is opened by breaking the sheet material while forming a band-like portion along the breaking direction from the one second joining portion.

Moreover, invention of Claim 4 is a packaging bag as described in any one of Claims 1-3,
A strip-shaped post-processing member having one end fixed to the outer surface of the packaging bag is provided.

Further, the invention according to claim 5 is the packaging bag according to any one of claims 1 to 4,
The packaging bag is provided with a break assisting portion that extends along the break direction and assists the breakage of the sheet material.

Moreover, invention of Claim 6 is a packaging bag as described in any one of Claims 1-5.
The opening point of the packaging bag is provided with a knob for the user to pick.

  According to the present invention, the used contents can be accommodated again by the opened packaging bag.

It is a perspective view which shows the packaging bag which concerns on this invention. It is sectional drawing in the II-II line of FIG. It is sectional drawing in the III-III line of FIG. It is a perspective view which shows the state which opened the packaging bag of FIG. It is a perspective view which shows the state which used the packaging bag of FIG. 4 for repackaging. It is a perspective view which shows the state which block | closed the slit of the packaging bag of FIG. It is a perspective view which shows the state at the time of discard of the packaging bag of FIG. It is a perspective view which shows the modification of the packaging bag of this invention. It is a perspective view which shows the modification of the packaging bag of this invention. It is a perspective view which shows the modification of the packaging bag of this invention. It is a perspective view which shows the modification of the packaging bag of this invention. It is a perspective view which shows the modification of the packaging bag of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the scope of the invention is not limited to the illustrated examples.

First, the structure of the packaging bag 10 of this embodiment is demonstrated.
In the following description, the longitudinal direction in plan view of the packaging bag 10 is the left-right direction, the short side direction in plan view is the front-rear direction, and the height direction is the up-down direction.

As shown in FIGS. 1 to 3, the packaging bag 10 is formed by bending a rectangular sheet material 11, and joining the first joining part 12 in a state where the mutually facing opposite edges overlap each other, and the first joining part 12. It is a packaging bag called a pillow type provided with the 2nd junction parts 13 and 14 which joined the sheet material 11 which overlapped in the both ends so that the both ends of the formed sheet material 11 may be closed.
The packaging bag 10 contains, for example, contents P such as a wet or dry hand towel.

As shown in FIGS. 2 and 3, the sheet material 11 has a two-layer structure including a base material layer 111 and a heat bonding layer 112.
As the base material layer 111, for example, biaxially stretched polyethylene terephthalate (PET), biaxially stretched polypropylene (OPP), biaxially stretched nylon (ON), or the like can be used.
The thermal adhesive layer 112 can be made of, for example, low density polyethylene (LDPE), linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), unstretched polypropylene (CPP), or the like.
The sheet material 11 is folded so that the base material layer 111 is on the outside and the heat bonding layer 112 is on the inside, and predetermined open heat treatment is applied to the three open edges so that the upper and lower opposing edges They are fused and joined to form a cylindrical body in which the first joint 12 and the second joints 13 and 14 are formed. Hereinafter, the upper side of the sheet material 11 forming the cylindrical body is referred to as an upper side portion 11a, and the lower side is referred to as a lower side portion 11b.
Note that the sheet material 11 is not limited to a two-layer structure, and may have a configuration of three or more layers in which one or more predetermined functional layers are provided between the base material layer 111 and the heat bonding layer 112. .

Moreover, in the 2nd junction part 13, the latching | locking part 15 which has the adhesive layer 15a and the peeling layer 15b which can be peeled from the said adhesive bond layer 15a is provided in the outer surface side of the upper part 11a of the sheet | seat material 11. ing.
As the adhesive layer 15a, for example, an acrylic polymer or the like can be used. Moreover, if the peeling layer 15b is a raw material which can be peeled from the adhesive bond layer 15a, there will be no limitation in particular.
The shape of the locking portion 15 is not particularly limited. Moreover, the structure provided in the outer surface side of the lower part 11b of the sheet | seat material 11 may be sufficient as the latching | locking part 15. FIG.
Moreover, in the 2nd junction part 13, you may make it provide the notch part for starting opening in the vicinity of the latching | locking part 15. FIG.

Moreover, in the packaging bag 10, the linear film material 17 extended along the front-back direction is provided in the approximate center part of the left-right direction. The film material 17 may be provided on the inner surface of the sheet material 11 of the packaging bag 10 or may be provided on the outer surface.
The film material 17 serves as a breakage restraining member for restraining the breakage of the sheet material 11 that proceeds in the left-right direction when the packaging bag 10 is opened. That is, by providing the sheet material 11 with the film material 17, breakage of the sheet material 11 progressing from one end in the left-right direction to the other end is prevented, and the other end side than the film material 17 of the packaging bag 10 is prevented. The shape is maintained.
The film material 17 is made of, for example, flexible synthetic resin, and the material is not particularly limited. For example, polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET) or the like is formed into a film. Things are used. Moreover, the film material 17 is formed in the thickness of 15-80 micrometers, for example.

Next, a procedure for using the contents P stored in the packaging bag 10 will be described.
Here, a case where the packaging bag 10 is broken in a direction from one second joint portion 13 to the other second joint portion 14 will be described as an example.

When opening the packaging bag 10, as shown in FIG. 4, the user picks a part (referred to as an opening start point A) of the second joint portion 13 of the packaging bag 10 and pulls it backward in that state. Thereby, the sheet | seat material 11 is fractured | ruptured, forming the strip | belt-shaped part 18 and slit S which have predetermined width along a right direction.
The breakage of the sheet material 11 proceeding in the right direction from the opening start point A is blocked by the film material 17 when the film material 17 reaches substantially the direction perpendicular to the breakage direction. That is, because the sheet material 11 is reinforced by the film material 17, the breakage is hindered, and the formation of the band-shaped portion 18 and the slit S is stopped.
In this state, the portion on the left side of the film material 17 of the packaging bag 10 is opened and the contents P can be taken out from the slit S, while the portion on the right side of the film material 17 has the shape of the original bag. Will keep.
Next, the user takes out the content P from the slit S and uses it for wiping the body.

When the use of the contents P is finished, the user can repackage the used contents P in the packaging bag 10.
When the content P is repackaged in the packaging bag 10, as shown in FIG. 5, the user packs the content P into a portion of the packaging bag 10 that maintains the shape of the original bag on the right side of the film material 17. .
Thereafter, as shown in FIG. 6, the user closes the slit S by folding or rolling the left part of the packaging bag 10 from the film material 17 and winds the belt-shaped portion 18 around the packaging bag 10 in the reduced state. Then, as shown in FIG. 7, it is locked by the adhesive layer 15a at the tip of the belt-like portion 18.
As a result, the used contents P are repackaged and discarded in that state.

As described above, according to the present embodiment, the first joint portion 12 in which the opposing end portions of the rectangular sheet material 11 are overlapped and joined, and the tubular sheet material on which the first joint portion 12 is formed. In the packaging bag 10 that includes the second joining portions 13 and 14 that join the both ends of the 11 and accommodates the contents P therein, the packaging bag 10 is broken in the direction from one side of the second joining portion 13 to the other. The sheet material 11 is opened by being broken along with the sheet material 11, and the sheet material 11 is moved along the breaking direction when the packaging bag 10 is opened at a position spaced apart from the other second joint portion 14 of the sheet material 11. A film material 17 for preventing the material 11 from breaking is provided, and the contents P can be accommodated in the space between the film material 17 and the other second joint portion 14 in the packaging bag 10 after the packaging bag 10 is opened. It is.
For this reason, the content P after use can be accommodated again by the packaging bag 10 after opening.
Further, since the packaging bag 10 is opened by being broken along the breaking direction from the one second joining portion 13 toward the other second joining portion 14, it is opened compared with the case of opening in the front-rear direction. It can be set as the structure which is easy to take out the content P later.
That is, it is possible to obtain a packaging bag 10 that can be easily taken out when the contents P are opened and that can be used to store the contents P again.

Moreover, according to this embodiment, the latching | locking part which has the adhesive layer 15a and the peeling layer 15b which can be peeled from the said adhesive bond layer 15a in the outer surface side of the sheet | seat material 11 in one 2nd junction part 13. 15 is provided, and the packaging bag 10 is opened by rupturing the sheet material 11 while forming the band-shaped portion 18 along the rupture direction from one second joining portion 13.
For this reason, after accommodating the contents P after use, the band-like portion 18 can be wound around the packaging bag 10 in a state where the slit S is closed and made small.
Therefore, when discarding the contents P after use, the packaging bag 10 can be prevented from returning to its original shape due to its rigidity, and the packaging bag 10 can be held in a small size, so that the used contents It is possible to prevent the object P from contaminating the surrounding environment by protruding from the packaging bag 10.

  Needless to say, the detailed structure and the like can be changed as appropriate.

For example, as shown in FIG. 8, the packaging bag 10 is provided with a cut line 21 as a break assisting portion for assisting the breakage of the sheet material 11, and the starting point of the cut line 21 at the second joint portion 13, that is, the packaging It is good also as providing the knob | pick part 22 in the opening start point A in the bag 10. FIG.
The cut line 21 extends along the left-right direction from the outer end 13 a of the second joint portion 13 to the film material 17, so that the sheet material 11 can be easily broken. it can.
The knob 22 is used when the user starts breaking the sheet material 11 (at the start of opening the packaging bag 10). By providing the knob 22, it is easy to give a pulling force. can do.
By setting it as this structure, the packaging bag 10 can be opened more easily.
In addition, although illustration is abbreviate | omitted, it is good also as providing either the cut line 21 or the knob | pick part 22 only.
Moreover, the length of the cut line 21 and the attachment direction of the knob | pick part 22 can be changed suitably.

Moreover, as shown in FIG. 9, it is good also as providing the cut sheet 23 as a fracture | rupture auxiliary | assistance part for assisting the fracture | rupture of the sheet | seat material 11 in the packaging bag 10 instead of the cut line 21 and the knob | pick part 22. As shown in FIG.
The cut sheet 23 is provided so as to extend along the left-right direction from the outer end 13 a of the second joint portion 13 to the film material 17.
Even with such a configuration, the packaging bag 10 can be opened more easily.
In addition, the length and attachment position of the cut sheet 23 can be changed as appropriate.

Moreover, as shown in FIG. 10, it can also be set as the packaging bag 10A by which the adhesive layer 16 which can be peeled and re-adhered was provided in the inner surface side of the upper part 11a of the sheet | seat material 11 in the 2nd junction part 13. FIG. In this case, a part of the upper side portion 11a of the sheet material 11 in the second joint portion 13 is peeled off from the lower side portion 11b as the opening start point A, and the sheet material 11 is formed while forming the belt-like portion 18A along the breaking direction therefrom. The packaging bag 10A is opened by breaking only the upper portion 11a.
Further, the inner surface side of the front end portion of the band-shaped portion 18 </ b> A formed when the packaging bag 10 </ b> A is opened is in a state where it can be reattached by the adhesive layer 16.
In addition, when setting it as this structure, the peeling layer (illustration omitted) is provided in the inner surface side of the lower part 11b of the sheet | seat material 11 in the 2nd junction part 13 facing the adhesive bond layer 16, and the upper part 11a is provided. It is preferable that peeling is possible.
Even in such a configuration, after the used contents P are accommodated, the band-shaped portion 18A can be wound around the packaging bag 10A in a state in which the slit S is closed and made small, and the packaging bag 10A is made small. Can be held.

Also in the packaging bag 10A, as shown in FIG. 11, a cut line 21 for assisting the breakage of the upper portion 11a is provided on the upper portion 11a of the sheet material 11, and a cut line at the second joint portion 13 is provided. It is good also as providing the knob | pick part 22 in the starting point of 21, ie, the opening start point A in the packaging bag 10. FIG.
With this configuration, the packaging bag 10A can be opened more easily.
In addition, although illustration is abbreviate | omitted, it is good also as providing either the cut line 21 or the knob | pick part 22 only.

Moreover, as shown in FIG. 12, it is good also as providing the strip | belt-shaped post-processing member 24 in any case of the packaging bag 10 and the packaging bag 10A.
The post-processing member 24 includes, for example, a fixing portion 24a that is fixed to the outer surface of the packaging bag 10 or 10A, an extension portion 24b that extends from the fixing portion 24a, and an adhesive provided at the tip of the extension portion 24b. A resin film provided with an agent layer 24c.
The post-processing member 24 is fixed so as to protrude rearward at a position from the left from the central portion in the left-right direction.
Even in such a configuration, after the contents P after use are accommodated, the post-processing member 24 can be wound around the packaging bags 10 and 10A in a state in which the slits S are closed to make the packaging bags 10 and 10A small. Can be held in a reduced state.
In addition, when providing such a post-processing member 24, the structure which does not include the latching | locking part 15 or the adhesive bond layer 16 may be sufficient.

In addition to the resin film described above, for example, a string, rubber, paper, or the like may be used as the post-processing member 24.
When a string is used as the post-processing member 24, the adhesive bag 24c is not provided at the tip, and the packaging bag 10, 10A is bound by wrapping the post-processing member 24 around the packaging bag 10, 10A. It may be held in a rolled state.

  Moreover, there is no limitation in particular in the position which provides the post-processing member 24, for example, as shown by the virtual line (two-dot chain line) in FIG. The post-processing member 24B protruding to the left, the post-processing member 24C protruding leftward from the second joint portion 13 and the like may be used.

Moreover, in the said embodiment, although the elongate film material 17 extended along the front-back direction was illustrated and demonstrated as a fracture | rupture prevention member, a fracture | rupture prevention member is provided on the fracture | rupture progress line of the sheet | seat material 11. FIG. The shape is not limited.
Moreover, in the said embodiment, although demonstrated the structure in which the strip | belt-shaped parts 18 and 18A are formed at the time of opening, the linear slit S which does not have a width | variety in the upper part 11a of the sheet | seat material 11 is formed. It's also good.

10, 10A Packaging bag 11 Sheet material 11a Upper side portion 11b Lower side portion 111 Base material layer 112 Thermal adhesive layer 12 First joint portion 13, 14 Second joint portion 15 Locking portion 15a Adhesive layer 15b Release layer 16 Adhesive layer 17 Film material 18, 18A Strip part 21 Cut line (breaking auxiliary part)
22 Pick part 23 Cut sheet (Break assist part)
24, 24A, 24B, 24C Post-processing member 24a Fixing part 24b Extension part 24c Adhesive layer A Opening start point P Contents S Slit

Claims (6)

A first joining portion in which the opposing ends of the rectangular sheet material are overlapped and joined;
A second bag that joins both ends of the cylindrical sheet material on which the first joint is formed, and a packaging bag that contains contents therein,
The packaging bag is opened by breaking the sheet material along a breaking direction from one of the second joints to the other,
At a position spaced apart from the other second joint of the sheet material by a predetermined distance, a breakage restraining member that restrains breakage of the sheet material that proceeds along the breakage direction when the packaging bag is opened is provided,
After opening the packaging bag, the packaging bag is characterized in that the contents can be accommodated in a space between the breakage-preventing member and the other second joint portion in the packaging bag. A locking portion having an adhesive layer is provided on the outer surface side of the sheet material in the one second joint portion,
2. The packaging bag according to claim 1, wherein the packaging bag is opened by breaking the sheet material while forming a band-shaped portion along the breaking direction from the one second joining portion. . The inner surface side of the sheet material in the one second joint portion is provided with an adhesive layer that can be peeled and re-adhered,
2. The packaging bag according to claim 1, wherein the packaging bag is opened by breaking the sheet material while forming a band-shaped portion along the breaking direction from the one second joining portion. .   The packaging bag according to any one of claims 1 to 3, further comprising a strip-shaped post-processing member whose one end is fixed to an outer surface of the packaging bag.   The packaging according to any one of claims 1 to 4, wherein the packaging bag is provided with a break assisting portion that extends along the breaking direction and assists the breakage of the sheet material. bag.   The packaging bag according to any one of claims 1 to 5, wherein a picking portion for a user to pick is provided at an opening start point of the packaging bag.

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