JP3076271U - Packaging bag - Google Patents

Abstract

(57) [Summary] [PROBLEMS] An object to be packaged can be easily put in without providing an inner bag, a simpler structure is provided, the manufacturing efficiency is improved, and the manufacturing cost is reduced. SOLUTION: A rectangular bag main body 10 having an opening 11 into and out of a packaged object, and a buffer member 20 provided in the bag body 10 and covering the packaged object are provided.
The cushioning member 20 includes a flat paper sheet 20A formed in a flat shape, and a paper corrugated sheet 20B affixed to the flat sheet 20A and formed in a continuous waveform with concave portions 20a and convex portions 20b. The flat sheet 20A is on the inside 21
, The object to be packaged can be slid on the flat sheet 20A, and the object to be packaged can be easily inserted therein due to low resistance.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a rectangular packaging bag having a bag body having an opening, and more particularly, to a packaging bag having a paper cushioning member in the bag body.

[0002]

[Prior art]

 Conventionally, as this type of packaging bag H, for example, there is one disclosed in Japanese Utility Model Laid-Open No. 63-94135. As shown in FIG. 6, a rectangular bag main body 1 having an opening 2 through which an article to be packaged is inserted and removed, a cushioning member 3 provided in the bag body 1 to cover the article to be packaged, From the inside 4. The cushioning member 3 includes a paper flat sheet 3A formed in a flat shape, and a paper corrugated sheet 3B affixed to the flat sheet 3A and having a concave portion 3a and a convex portion 3b formed in a continuous waveform. The cushioning member 3 is folded and formed so that the corrugated sheet 3B is located inside 4. The inner bag 5 is provided on the inner side 4 of the cushioning member 3 in order to hide irregularities of the corrugated sheet 3B on the inner side 4, and one side 7 of the opening edge 6 of the inner bag 5 is formed on the front side 1a of the bag body 1. The other side 9 of the opening edge 6 of the inner bag 5 is folded back to the outside of the opening 2 of the back side portion 1b of the bag main body 1 and adhered to the closing portion 8 provided continuously with the opening 2. It is provided. The inner bag 5 and the cushioning member 3 provide cushioning inside to protect the packaged object.

[0003]

[Problems to be solved by the invention]

 By the way, in this conventional packaging bag H, the inner bag 5 is provided on the inner side 4 of the bag body 1 in order to conceal the irregularities of the corrugated sheet 3B on the inner side 4, so that the structure becomes complicated, and the number of parts is accordingly reduced. However, the number of man-hours is increased, which is complicated, and the manufacturing cost is high. It is also conceivable to provide only the cushioning member 3 without using the inner bag 5, but since the convex portion 3b of the corrugated sheet 3B of the cushioning member 3 is directed to the inner side 4, it becomes difficult to put the article to be packaged due to resistance. There is a disadvantage that it becomes.

[0004] The present invention has been made in view of the above-mentioned problems, and it is possible to easily put an article to be packaged therein without providing an inner bag, to improve the manufacturing efficiency with a simpler structure, and to reduce the manufacturing cost. The purpose is to provide cheap packaging bags.

[0005]

[Means for Solving the Problems]

 A packaging bag according to the present invention for solving such a problem includes a rectangular bag main body having an opening through which an object to be packaged is inserted and removed, and a cushioning member provided in the bag main body and covering the object to be packaged. In the packaging bag provided with the above, the cushioning member is formed by forming a paper-made flat sheet formed in a planar shape, and a paper-made corrugated sheet affixed to the flat sheet and formed in a continuous waveform with concave portions and convex portions. The cushioning member is folded and formed so that the flat sheet is positioned inside. As a result, the cushioning member can be manufactured simply by folding it and putting it in the bag body, so that the structure is simple and the cost can be reduced. Further, even if an inner bag is not separately provided, when the article to be packaged is slid on the flat sheet when it is put into the bag body, the resistance is reduced and the article to be packaged can be easily put inside.

If necessary, the cushioning member is formed in a rectangular shape, and the cushioning member is folded in half at the center thereof, and joined to one of the front side and the back side of the bag body at a broken line. The bag was configured to include one side portion and the other side portion joined to either the front side portion or the back side portion of the bag body with the broken line as a boundary. Since it is only necessary to fold it in two, manufacturing can be made extremely easy. If necessary, the cushioning member is formed so that the broken line is formed along the bottom edge of the bag body. Since the bottom edge is doubled by the bag body and the cushioning member, the bottom edge is reinforced.

If necessary, the cushioning member is formed in a rectangular shape, and the cushioning member is folded inward at the left and right sides so as to be folded into three, and any one of the front side portion and the back side portion of the bag body is bounded by the broken line. The bag has a central part joined to one side, and a left part and a right part joined to either the front side or the back side of the bag body with the polygonal line as the boundary, and the left and right polygonal lines run along the side edges of the bag body. The structure was formed as described above. By folding in three, the side edges of the bag body are doubled, so the left and right side edges are reinforced. In addition, since the folding line is left and right, the packaged object is sandwiched from the left and right and pressed, and the presser can be strengthened. it can.

In addition, if necessary, the cushioning member is formed so that a convex portion of the corrugated sheet is parallel to an opening edge of the bag body. Further, if necessary, the buffer member is formed so that the convex portion of the corrugated sheet is perpendicular to the opening edge of the bag body. Furthermore, if necessary, another buffer member having the same configuration as that of the buffer member is provided on the outer side of the buffer member by overlapping the corrugated sheets. Since the outer surface of the cushioning member is a flat surface, the cushioning member can be slid on a flat sheet when the cushioning member is inserted into the bag body. At the same time, the thickness of the cushioning member is increased, so that the cushioning member can be further enhanced and the cushioning action can be enhanced. And, if necessary, a closing portion for closing the opening is provided on the front side of the bag body.

[0009]

[Embodiment of the invention]

 Hereinafter, a packaging bag according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Note that the same components as described above are denoted by the same reference numerals and described. 1 and 2 show a packaging bag H1 according to the first embodiment. The basic configuration of the packaging bag H1 according to the first embodiment includes a rectangular bag main body 10 having an opening 11 through which a packaged object is put in and out, and a packaged object provided in the bag body 10. And a cushioning member 20 that covers the The bag body 10 is formed by folding a sheet of paper and adhesively forming a rectangular shape, and has a front side portion 10a on which an address can be written, a back side portion 10b having a binding margin, and an opening 11 through which articles to be packaged are taken in and out. ing. Further, a closing portion 13 for closing the opening 11 of the bag body 10 is continuously provided on the opening edge 12 of the front side portion 10 a of the bag body 10.

The cushioning member 20 includes a rectangular flat sheet 20A made of paper, and a paper corrugated sheet affixed to the flat sheet 20A and formed with a continuous concave portion 20a and convex portion 20b. The flat sheet 20A is folded so that the flat sheet 20A is located on the inner side 21. More specifically, the cushioning member 20 is folded in two at the center thereof, with one side part 23 joined to one of the front side part 10a and the back side part 10b of the bag body 10 with the broken line 22 as a boundary, and with the broken line 22 as a boundary. The bag body 10 includes a front side portion 10a and a back side portion 10b, and the other side portion 24 joined to the other side. The size of the one side part 23 and the other side part 24 is formed slightly smaller than the size of the front side part 10 a and the back side part 10 b so as to enter the bag body 10. The cushioning member 20 is formed such that the broken line 22 is along the bottom edge 14 of the bag body 10. Further, the cushioning member 20 is formed such that the convex portion 20b of the corrugated sheet 20B is parallel to the opening edge 12 of the bag body 10. That is, the length of the buffer member 20 is perpendicular to the continuous waveform of the corrugated sheet 20B, and the width is parallel to the waveform.

Therefore, when preparing the packaging bag H1 according to the first embodiment, a rectangular cushioning member 20 is prepared in advance, and the flat sheet 20A is positioned at the center so that the flat sheet 20A is positioned on the inner side 21. Fold it in half. Then, the folded buffer member 20 is inserted into the bag body 10 through the opening 11. Therefore, since the cushioning member 20 can be formed simply by folding the buffer member 20 in half and inserting it into the bag body 10, the production is extremely simple and the production efficiency is extremely good. In addition, the number of parts is small, the structure is simple, and the manufacturing cost can be reduced. When using the packaging bag H1 manufactured in this manner, the article to be packaged is put into the bag body 10, the closing portion 13 is closed, and the bag is sealed by gluing or the like. In this case, since the flat sheet 20A of the cushioning member 20 is located on the inner side 21, the article to be packaged can be slid on the flat sheet 20A and the resistance is small, so that the article to be packaged is placed inside. It can be easily inserted. In the state in which the article to be packaged is inserted, since the bent line 22 of the cushioning member 20 is formed along the bottom edge 14 of the bag body 10, the bottom edge 14 is doubled by the bag body 10 and the cushioning member 20. Thereby, the bottom edge 14 is reinforced, and the bottom edge 14 of the bag body 10 is prevented from being broken by the weight of the packaged object.

FIG. 3 shows a packaging bag H2 according to a second embodiment. In the packaging bag H2 according to the second embodiment, the bag body 10 is formed in the same manner as described above, but the configuration of the cushioning member 30 is different from that of the above-described embodiment. The cushioning member 30 includes a rectangular flat sheet 30A made of paper, and a corrugated sheet 30B made of paper, which is affixed to the flat sheet 30A and has a concave portion 30a and a convex portion 30b formed in a continuous waveform. The flat sheet 30A is folded so as to be positioned on the inner side 31. More specifically, the cushioning member 30 is folded into three parts by folding the left and right sides into the inside 31, and a central part 33 joined to one of the front side part 10 a and the back side part 10 b of the bag body 10 with the broken line 32 as a boundary, The bag body 10 is provided with a left portion 34 and a right portion 35 joined to either the front side portion 10a or the back side portion 10b of the bag body 10 at the boundary of the broken line 32. The size of the central portion 33 is formed to be slightly smaller than the size of the front side portion 10a and the back side portion 10b so as to enter the inside of the bag body 10. The overall size of the folded left portion 34 and right portion 35 is slightly smaller than the size of the front side portion 10a and the back side portion 10b so as to enter the bag body 10. The left and right fold lines 32 are formed along the side edge 15 of the bag body 10. Further, the cushioning member 30 is formed such that the projection 30 b of the corrugated sheet 30 B is parallel to the opening edge 12 of the bag body 10.

Therefore, when preparing the packaging bag H 2 according to the second embodiment, a rectangular cushioning member 30 is prepared in advance, and the left and right sides thereof are positioned so that the flat sheet 30 A is located on the inner side 31. Fold it inward 31 to make it into three folds. Then, the buffer member 30 folded into three is inserted into the bag body 10 through the opening 11. Therefore, since the cushioning member 30 can be formed simply by folding the cushioning member 30 into three and inserting it into the bag body 10, the production is extremely simple and the production efficiency is extremely high. In addition, the number of parts is small, the structure is simple, and the manufacturing cost can be reduced. When using the packaging bag H2 manufactured in this way, the article to be packaged is placed in the bag body 10, the closing portion 13 is closed, and the bag is sealed by gluing or the like. In this case, since the flat sheet 30A of the cushioning member 30 is located on the inner side 31, the object to be packaged can be slid on the flat sheet 30A and the resistance is small, so that the object to be packaged is placed inside. It can be easily inserted. In the state where the package is inserted, the side edge 15 of the bag body 10 is doubled by folding in three, and the left and right side edges 15 are reinforced, so that the package can be protected even if the package is inclined left or right. In addition, since the bent line 32 is on the left and right, the object to be packaged is sandwiched and pressed from the left and right, and the pressing can be strengthened.

FIG. 4 shows a packaging bag H3 according to a third embodiment. The packaging bag H3 according to the third embodiment is formed in substantially the same manner as the packaging bag H2 according to the second embodiment. The difference from the packaging bag H2 according to the second embodiment is that another cushioning member 40 having the same configuration as the cushioning member 30 is provided outside the cushioning member 30 by overlapping the corrugated sheets 30B and 40B. It is that you are. That is, the other cushioning member 40 is reversely folded with respect to the cushioning member 30, and is folded and formed so that the corrugated sheet 40 </ b> B in which the concave portion 40 a and the convex portion 40 b are formed is located inside 41. As shown in FIG. 5, the method of overlapping the cushioning member 30 with another cushioning member 40 is such that the projections 30b and 40b of the corrugated sheets 30B and 40B are joined together and overlapped. It is desirable that the thickness of the layers 30, 40 can be increased to further enhance the buffering action. For this purpose, the cushioning member 30 and another cushioning member 40 may be formed in advance by bonding the convex portions 30b, 40b of the corrugated sheets 30B, 40B together and bonding them with an adhesive.

Therefore, when preparing the packaging bag H 3 according to the third embodiment, a rectangular cushioning member 30 is prepared in advance, and the left and right sides thereof are so positioned that the flat sheet 30 A is located on the inner side 31. Fold it inward 31 to make it into three folds. On the other hand, another cushioning member 40 is prepared, and the right and left sides thereof are folded inwardly 41 so that the corrugated sheet 40B is located on the inside 41 in the opposite direction to the above-mentioned cushioning member 30 so as to be folded in three. Outside the three-fold buffer member 30, another reverse-fold buffer member 40 folded in the same manner as the buffer member 30 is provided by overlapping the corrugated sheets 30B and 40B. The members 30 and 40 are inserted through the opening 11 of the bag body 10. Therefore, since the cushioning member 30 and another cushioning member 40 can be formed simply by folding the cushioning member 30 into three parts and inserting the same into the bag body 10, the production is extremely simple and the production efficiency is extremely high. Also, the number of parts is small, the structure is simple, and the manufacturing cost can be reduced. When using the packaging bag H3 manufactured in this manner, the article to be packaged is placed in the bag body 10, the closing portion 13 is closed, and the bag is sealed by gluing or the like. In this case, since the flat sheet 30A of the cushioning member 30 is located on the inner side 31, the object to be packaged can be slid on the flat sheet 30A and the resistance is small, so that the object to be packaged is placed inside. It can be easily inserted.

The manner of folding the cushioning members 20 and 30 is not limited to the above, and the positions of the folding lines 22 and 32 are not limited and may be changed as appropriate. Further, in each of the above embodiments, the cushioning members 20 and 30 are formed such that the convex portions 20b and 30b of the corrugated sheets 20B and 30B are parallel to the opening edge 12 of the bag body 10, but are not necessarily limited to this. Instead, the cushioning members 20, 30 may be formed so that the projections 20b, 30b of the corrugated sheets 20B, 30B are perpendicular to the opening edge 12 of the bag body 10, and may be changed as appropriate.

[0017]

[Effect of the invention]

 As described above, according to the packaging bag of the present invention, a rectangular bag body having an opening through which a packaged object is put in and out, and a cushioning member provided in the bag body and covering the packaged object are provided. In the packaging bag, the cushioning member is provided with a flat paper sheet formed in a flat shape, and a paper corrugated sheet affixed to the flat sheet and formed in a continuous waveform with concave portions and convex portions. And the cushioning member is folded and formed so that the flat sheet is located inside, so that when placing an article to be packaged in the bag body without providing a separate inner bag as in the past. Since the sheet is slid on the flat sheet, the resistance is reduced, and the article to be packaged can be easily put inside. In addition, since the cushioning member can be manufactured simply by folding it into the bag body, the structure is simple and the manufacturing cost can be reduced. Then, the cushioning member is formed in a rectangular shape, the cushioning member is folded in two at the center thereof, and one side portion joined to one of the front side and the back side of the bag body with the broken line as a boundary, and with the broken line as a boundary. In the case where the bag body is provided with the other side portion joined to either the front side portion or the back side portion, it is only necessary to fold the bag body, so that the production can be extremely facilitated. When the cushioning member is formed so that the broken line is along the bottom edge of the bag body, the bottom edge is doubled by the bag body and the cushioning member, so that the bottom edge is reinforced. It is possible to prevent the bottom edge from being broken by the weight of the packaged object.

Further, the cushioning member is formed in a rectangular shape, and the cushioning member is folded inward on the left and right sides so as to be folded into three, and the center portion is joined to one of the front side portion and the back side portion of the bag body with the broken line as a boundary. And a left part and a right part joined to one of the front side and the back side of the bag body with the broken line as a boundary, and the left and right broken lines are formed along the side edge of the bag body. By folding it in three, the side edges of the bag body are doubled and the left and right side edges are reinforced, so that the packaged object can be protected even if it is tilted to the left or right, and the folded line becomes right and left, The package can be clamped from the left and right, and the clamp can be strengthened. Furthermore, when another cushioning member having the same configuration as that of the cushioning member is provided on the outside of the cushioning member so that the corrugated sheets are overlapped with each other, the outside surface of the cushioning member becomes a flat surface. As it can be slid on a flat sheet when it is put into the bag body, resistance is reduced and it is easy to put it in the bag body, making it easy to manufacture.In addition, the thickness of the cushioning member is increased, and it becomes a more cushioning and cushioning effect Can be increased.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a packaging bag according to a first embodiment of the present invention.

FIG. 2 is a side sectional view showing the packaging bag according to the first embodiment of the present invention.

FIG. 3 is an exploded perspective view showing a packaging bag according to a second embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a packaging bag according to a third embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view showing a method of stacking cushioning members of a packaging bag according to a third embodiment of the present invention.

FIG. 6 is a sectional view showing an example of a conventional packaging bag.

[Explanation of symbols]

 H1, H2, H3 Packaging bag 10 Bag body 10a Front side 10b Back side 11 Opening 12 Opening edge 13 Closed portion 14 Bottom edge 15 Side edge 20 Buffer member 20A Flat sheet 20B Wave sheet 20a Depression 20b Convex part 21 Inside 22 Folding line 23 One side part 24 Other side part 30 Buffer member 30A Flat sheet 30B Corrugated sheet 30a Concave part 30b Convex part 31 Inside 32 Fold line 33 Central part 34 Left part 35 Right part 40 Buffer member 40B Corrugated sheet 40a Concave part 40b Convex part 41 Inside

Claims (8)

[Utility model registration claims] 1. A packaging bag comprising: a rectangular bag body into which an article to be packaged is put in and out and having an opening; and a cushioning member provided in the bag body and covering the article to be packaged. A flat sheet made of paper formed in a flat shape, and a corrugated sheet made of paper formed in a corrugated shape in which concave portions and convex portions are adhered to the flat sheet, and the cushioning member is formed of the flat sheet. Characterized in that the bag is folded so as to be located inside. 2. The cushioning member is formed in a rectangular shape, the cushioning member is folded in half at the center thereof, and one side portion joined to one of the front side portion and the back side portion of the bag body with a broken line as a boundary. 2. The packaging bag according to claim 1, further comprising a second side portion joined to one of the front side portion and the back side portion of the bag body with a broken line as a boundary. 3. The packaging bag according to claim 1, wherein the cushioning member is formed so that a broken line extends along a bottom edge of the bag body. 4. The cushioning member is formed in a rectangular shape, and the cushioning member is folded in three at the left and right sides inward, and is joined to one of the front side and the back side of the bag body with a broken line as a boundary. And a left part and a right part joined to one of the front side part and the back side part of the bag body with the broken line as a boundary, and the left and right broken lines are formed along the side edge of the bag body. The packaging bag according to claim 1, wherein: 5. The packaging bag according to claim 1, wherein the cushioning member is formed such that a convex portion of the corrugated sheet is parallel to an opening edge of the bag body. 6. The packaging bag according to claim 1, wherein said cushioning member is formed such that a convex portion of said corrugated sheet is perpendicular to an opening edge of said bag body. 7. The cushioning member according to claim 1, wherein another cushioning member having the same configuration as that of the cushioning member is provided on the outside of the cushioning member by overlapping the corrugated sheets. A packaging bag as described. 8. A bag according to claim 1, wherein a closing portion for closing the opening is provided on the front side of the bag body.
The packaging bag according to 4, 5, 6, or 7.