JP4722162B2 - Packaging bag - Google Patents

Description

  The present invention relates to a packaging bag for packaging thin articles such as handkerchiefs and T-shirts.

As shown in FIG. 12, a general packaging bag body has a rectangular bottom surface portion 700, a front surface portion 710 raised from four sides of the bottom surface portion 700, a back surface portion 720, and a pair of side surface portions 730. have. The front part 710 and the back part 720 are provided with openings to be grips 711 and 721. Further, a handle made of a string or the like is often provided instead of the opening.
When thin articles such as handkerchiefs and T-shirts are stored in such packaging bags, they are put in the vertical direction as indicated by an arrow Z in FIG. Further, if the bottom portion is large, the article is placed flat on the bottom portion.

JP2007-45459

However, when a thin article such as a handkerchief or a T-shirt is put in a vertical direction in this type of general packaging bag body, the thin article collapses due to its own weight, causing wrinkles.
If the bottom part is a large packaging bag, the article is placed flat on the bottom part, so the thin article will not collapse due to its own weight, but it is considerably larger than the size of the article to be stored Packaging bags must be used.

  The present invention was devised in view of the above circumstances, and does not collapse even when a thin article such as a handkerchief or a T-shirt is accommodated, and is suitable for the size of the article to be accommodated. It aims at providing the packaging bag body which can do.

  The packaging bag according to the present invention is a packaging bag having a rectangular bottom surface, and a front surface, a back surface, and a pair of side surfaces raised from four sides of the bottom surface, A front side valley fold portion parallel to one side of the bottom surface portion where the front portion rises is formed on the front portion, and a downward Y-shaped side side valley fold portion is formed on the two side portions that do not face the front portion and the back portion. The side-side valley folds are a hanging line that hangs from the center of the upper edge of the side part, and the apex and back of the front part, the side part, and the bottom part from the end of the hanging line. Two oblique lines extending toward the apex of the portion, the side surface portion, and the bottom surface portion, and the end of the hanging line has a dimension from the bottom surface portion, from the bottom surface portion of the front side valley fold portion Is set to be equal to the dimensions of the front side valley fold from the front side valley fold, and at the same time the side When the side valley fold is valley-folded, the front part is folded inward between the bottom part and the back part, and the upper edge part that becomes the opening side among the edge parts of the back part, the front part and the bottom part In the packaging bag body adjacent to one common side, a bottom surface side window is formed on the bottom surface, and this bottom surface side window is extended from the front surface, the back surface, and the pair of side surfaces. It is comprised so that it may be opened and closed by.

  Moreover, the bottom plate which has translucency which covers a bottom face side window part is attached inside the said bottom face part.

  The extension piece is provided with fixing means for fixing the overlapping extension pieces.

  When folded, the handle is attached to the edge of the bottom surface adjacent to the upper edge and the upper edge that is the opening side of the edge of the back surface, and one side common to the front surface and the bottom surface. It may be provided.

When the packaging bag according to the present invention is folded, a thin article such as a T-shirt placed and stored flat on the bottom surface portion is held down and sandwiched between the folded front and back portions from above. Therefore, unlike conventional packaging bags, it does not collapse due to its own weight. Therefore, it does not depend on the article. Moreover, it can be made suitable for the size of the article to be stored.
In addition, when the bottom side window portion is opened, an article such as a stored T-shirt can be seen. That is, a T-shirt or the like can be stored and displayed at a store or the like with the bottom side window opened. This packaging bag is stylish and looks like an attache case when the bottom side window is closed.

  FIG. 1 is a schematic perspective view of a state in which the packaging bag according to the first embodiment of the present invention is opened, and FIG. 2 is a state in which the packaging bag according to the first embodiment of the present invention is opened. FIG. 3 is a schematic perspective view of the packaging bag body according to the first embodiment of the present invention in a closed state, and FIG. 4 is a packaging material according to the first embodiment of the present invention. FIG. 5 is a schematic front view of a state in which the bag body is closed, FIG. 5 is a schematic perspective view of the state in which the packaging bag body according to the first embodiment of the present invention is closed and the bottom side window portion is opened, and FIG. FIG. 7 is a schematic front view showing a state in which the packaging bag according to the first embodiment of the present invention is closed and the bottom window is opened, and FIG. 7 shows the packaging bag according to the first embodiment of the present invention. FIG. 8 is a schematic perspective view showing the folding procedure, FIG. 8 is a schematic perspective view showing a state in which the packaging bag body according to the first embodiment of the present invention is substantially folded, and FIG. 9 is a first perspective view of the present invention. The schematic perspective view seen from the bottom face part side which shows how to fold the bottom face part of the packaging bag body concerning an embodiment, Drawing 10 shows the state where the packaging bag body concerning the 2nd embodiment of the present invention was opened FIG. 11 is a schematic perspective view, and FIG. 11 is a schematic front view of a state in which the bottom side window portion is opened with the packaging bag according to the third embodiment of the present invention closed.

  The packaging bag body A according to the first embodiment of the present invention includes a rectangular bottom surface portion 100 and a front portion 200 raised from four sides of the bottom surface portion 100, as shown in FIG. A packaging bag body having a back surface portion 300 and a pair of side surface portions 400.

  In the packaging bag A, a front side valley fold portion 210 parallel to one side L1 of the bottom surface portion 100 where the front surface portion 200 rises is formed on the front surface portion 200, and does not face the front surface portion 200 and the back surface portion 300. The two side surface portions 400 are formed with downward Y-shaped side surface side folds 410, and the side surface side folds 410 are suspended from the center of the upper edge 420 of the side surface 400. 411 and two oblique lines extending from the end of the drooping line 411 toward the vertex P1 of the front surface portion 200, the side surface portion 400, and the bottom surface portion 100, and the vertex P2 of the back surface portion 300, the side surface portion 400, and the bottom surface portion 100. The end of the drooping line 411 has a dimension H2 from the bottom surface part 100 set equal to a dimension H1 from the bottom surface part 100 of the front side valley fold part 210, and the front surface ~ side When the front part 200 is valley-folded from the folding part 210 and the side-side valley fold part 410 is valley-folded, the front part 200 is folded inward between the bottom part 100 and the back part 300, and the back part 300 An upper edge portion 310 that is the opening side of the edge portion and a side bag L1 that is common to the front surface portion 200 and the bottom surface portion 100 are adjacent to each other, and the bottom surface side window portion 150 is provided on the bottom surface portion 100. The bottom side window 150 is formed so as to be opened and closed by extension pieces 151, 152, and 153 extending from the front part 200, the back part 300, and the pair of side parts 400.

  First, the packaging bag A is made of paper or a thin synthetic resin film. In the present specification, valley folding means folding in a direction in which the fold is concave, and mountain folding means folding in a direction in which the fold is convex.

  For example, when the article to be stored is a T-shirt, the bottom surface portion 100 of the packaging bag A is set in a rectangular shape having a size equivalent to the size of the folded T-shirt and the plan view. That is, the T-shirt folded on the bottom surface portion 100 can be placed flat.

  Of the four sides of the bottom surface portion 100, the front portion 200 and the back surface portion 300 are raised from the pair of long sides, respectively, and the pair of side surface portions 400 are raised from the pair of short sides. Of course, both sides of the front part 200 are in common with one side of the side part 400, and both sides of the back part are in common with the other side of the side part 400.

  That is, this packaging bag A is formed in a bottomed rectangular tube shape.

  First, the front surface portion 200 is provided with a front side valley fold portion 210 parallel to the side L1 common to the bottom surface portion 100 at a substantially central portion. The front part 200 can be a valley fold in the front side valley fold part 210.

  Further, the pair of side surface portions 400 is provided with a downward Y-shaped side surface side valley fold portion 410. The side-side valley fold 410 has a hanging line 411 directed downward from the center of the upper edge 420 of the side 400 and a pair of lower-side 411 from the lower line 411 toward the lower corner of the side 400. This is composed of a diagonal line 412. The corners on the lower end side are the apex P1 of the front part 200, the side part 400, and the bottom part 100 on the front part 200 side, and the back part 300, the side part 400, and the bottom part 100 on the back part 300 side. Each corresponds to the vertex P2.

  Of course, the side surface portion 400 can be valley-folded by the drooping line 411 and the oblique line 412 constituting the side surface side valley folding portion 410.

  The dimension H2 between the end of the drooping line 411 and the bottom surface part 100 and the dimension H1 between the front side valley fold part 210 and the bottom surface part 100 are set to be equal.

On the other hand, the back surface portion 300 and the bottom surface portion 100 are provided with handles 510 and 520 made of strings.
The handle 510 of the back surface portion 300 is provided on the upper edge portion 310 that becomes the opening side among the edges of the back surface portion 300 when the packaging bag A is folded.
Further, the handle 520 on the bottom surface 100 side is provided on an edge adjacent to the upper edge 310 when the packaging bag A is folded, that is, on one side L1 common to the front surface 200 and the bottom surface 100. ing.

  Further, as shown in FIG. 2, a bottom plate 160 having translucency covering the bottom side window 150 is attached to the inside of the bottom portion 100. The bottom plate 160 is made of, for example, a transparent synthetic resin plate or a transparent synthetic resin film. By providing the bottom plate 160, the bottom surface portion 100 does not come out even when the bottom surface side window portion 150 is opened.

  In this packaging bag A, paper or a thin synthetic resin claim film is formed in a square tube, and as shown in FIG. 9, the bottom end portion 100 is formed by folding the lower end portion.

  The part which becomes a pair of side part 400 is set longer than the part used as the front part 200 or the back part 300, as shown to FIG. 9 (A). A portion indicated by a broken line in a portion that becomes the side surface portion 400 on the front side of the paper and a portion indicated by a broken line in the portion that becomes the side surface portion 400 on the back side of the paper surface, A portion indicated by the alternate long and short dash line is valley-folded on the portion to be the back portion 300. Then, as shown in FIG. 9B, a pair of substantially trapezoidal extension pieces 152 are formed.

  Thereafter, as shown in FIG. 9C, a portion that becomes one side L <b> 1 of the bottom portion 100 from which the front portion 200 rises (the portion that has been folded in the valley earlier, shown by a broken line in FIG. 9B), and the back portion 300. And the bottom portion 100 that are common to the side L2 (the portion that has been folded in the valley earlier, indicated by the broken line in FIG. 9B), that is, the extension piece 153 of the front portion 200 and the back portion 300 are folded. The bottom surface portion 100 is formed by folding the extension piece 153 toward the inside.

That is, the bottom piece 100 is formed by overlapping the extension piece 152 that is an extension part of the pair of side parts 400, the extension piece 151 that is an extension part of the front part 200, and the extension piece 153 that is an extension part of the back part 300. Configure.
Of the bottom surface portion 100, a trapezoidal portion indicated by hatching in FIG.

  Further, the extension pieces 151, 152, and 153 constituting the bottom surface portion 100 can be opened from the portions indicated by broken lines in FIG. 9C, FIG. 2 and FIG. That is, this portion covers the bottom side window 150.

  Further, a hook-and-loop fastener 600 as a fixing means is provided in a portion where the back surface side of the extension piece 151 extended from the front portion 200 and the outer surface side of the extension piece 153 extended from the back surface portion 300 overlap each other. (The surface fastener of the extension piece 153 extended from the back surface portion 300 is not shown). Therefore, by overlapping the extension pieces 151 and 153 and fixing them with the hook-and-loop fastener 600, the bottom face side window 150 of the bottom face 100 is closed by the extension pieces 151, 152 and 153. In addition, each extension piece 151,152,153 is opened from the part of the broken line shown in FIG.2, FIG3 and FIG.4.

Next, how to fold when storing the T-shirt using the packaging bag body A configured as described above will be described.
First, a state as shown in FIG. 1, that is, a state in which the packaging bag A is opened, and a folded T-shirt is placed flat on the bottom surface portion 100.
Next, as shown in FIG. 7, the front part 200 and the side part 400 are valley-folded along the front side valley fold part 210 of the front part 200 and the side part valley fold part 410 of the side part 400.
Then, the side L1 common to the front part 200 and the bottom part 100 is a mountain fold, the side L2 common to the back part 300 and the bottom part 100 is also a mountain fold, and one side common to the side part 400 and the bottom part 100 L3 is also a mountain fold.

  When the front part 200 is completely folded, the back part 300, the side part 400 folded by the side trough fold part 410, the front part 200 folded by the front trough fold part 210, and the bottom part 100 are stacked in this order. It becomes a state. In this state, half of the stored article such as a T-shirt is held down from the upper side by the folded front part 200, and the other half is held down from the upper side by the back part 300.

  In such a state, the packaging bag A containing a thin article such as a T-shirt is carried in the state shown in FIG. 3, that is, with the handles 510 and 520 facing upward. In this state, as described above, the stored article such as a T-shirt is in the vertical direction, but is sandwiched between the front part 200 and the rear part 300, so that the weight of the article is different from that of the conventional packaging bag body. Will not collapse. Therefore, it does not depend on the article.

  As shown in FIGS. 5 and 6, when the bottom side window 150 is opened, the stored articles can be seen through the bottom plate 160. In other words, the display can be performed in a state where the bottom side window 150 is opened with the article stored.

  In the packaging bag body A according to the first embodiment described above, the handle 510 is provided on the back surface portion 300 and the handle 520 is provided on the bottom surface portion 100, but the second embodiment of the present invention shown in FIG. It is also possible to make it like the packaging bag body B concerning.

  In the packaging bag B according to the second embodiment of the present invention, two openings 350 along the upper edge portion 310 of the back surface portion 300 and 2 along the upper edge portion 420 of the pair of side surface portions 400, respectively. Each opening 450 and two openings 250 are opened at the upper edge of the front portion 200, and a string-like first handle 510 </ b> B is inserted through these openings 350, 450, 250.

  Further, in the packaging bag body B according to the second embodiment of the present invention, the handle 520 provided on the bottom surface portion 100 is also shaped like a string, and has two openings (not shown) along one side L1 of the bottom surface portion 100. And the second handle 520B is inserted through this opening.

  In this case, the handle 510B and the handle 520B have the same length.

  In a state where the packaging bag B is folded, the first handle 510B and the second handle 520B are extended and used for the longest time. It is also possible to hold the packaging bag B with only the first handle 510B without folding it. In this case, the packaging bag B is closed by the first handle 510B. The second handle 520B may be pulled inside the packaging bag B.

  Moreover, like the packaging bag body C according to the third embodiment of the present invention shown in FIG. 11, the extension piece 151 from the front part 200 and the extension piece 153 from the back part 300 are not trapezoidal but rectangular. It is also possible to form.

In addition, the above-described packaging bags A to C are provided with a handle. However, in the packaging bag according to the present invention, these handles are not indispensable, and the handle may not be provided. It is.
In particular, in the case of a small-sized item that accommodates a thin and small-sized article such as a handkerchief, the above-described handle is not necessary.

  In addition, the bottom plate 160 having a light-transmitting property that covers the bottom side window portion 150 is attached to the inside of the bottom surface portion 100. However, if the article stored in the interior itself is packaged in a transparent plastic bag or the like, The bottom plate 160 is not essential.

  Further, among the extension pieces, the extension piece 151 and the extension piece 153 are provided with the hook-and-loop fastener 600 as a fixing means. However, the extension pieces 151, 152, and 153 are alternately combined like the bottom of the cardboard box. You may make it comprise the bottom face part 100 by.

  Furthermore, this packaging bag A can also be used as an envelope when mailing thin articles. In this case, it is more convenient to handle without providing the handle as described above. Thus, when using as an envelope, it is good to print the postal code description frame for describing a postal code beforehand.

It is a schematic perspective view of the state which opened the packaging bag which concerns on the 1st Embodiment of this invention. It is a schematic plan view of the state which opened the packaging bag which concerns on the 1st Embodiment of this invention. It is a schematic perspective view of the state which closed the packaging bag concerning the 1st embodiment of the present invention. It is a schematic front view of the state which closed the packaging bag which concerns on the 1st Embodiment of this invention. It is a schematic perspective view of the state which closed the packaging bag body which concerns on the 1st Embodiment of this invention, and opened the bottom face side window part. It is a schematic front view of the state which closed the packaging bag which concerns on the 1st Embodiment of this invention, and opened the bottom face window part. It is a schematic perspective view which shows the procedure which folds the packaging bag body which concerns on the 1st Embodiment of this invention. It is a schematic perspective view which shows the state by which the packaging bag body concerning the 1st Embodiment of this invention was substantially folded. It is the schematic perspective view seen from the bottom face part side which shows how to fold the bottom face part of the packaging bag according to the first embodiment of the present invention. It is a schematic perspective view of the state which opened the packaging bag which concerns on the 2nd Embodiment of this invention. It is a schematic front view of the state which opened the bottom face side window part in the state which closed the packaging bag which concerns on the 3rd Embodiment of this invention. It is a schematic perspective view of the conventional general packaging bag.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Bottom face part 150 Bottom face side window part 151 Extension piece 152 Extension piece 153 Extension piece 200 Front part 210 Front side trough fold line 300 Rear part 400 Side part 410 Side part trough fold part 411 Drooping line 412 Skew line

Claims (5)

  A packaging bag body having a rectangular bottom surface portion, a front portion raised from four sides of the bottom surface portion, a back surface portion, and a pair of side surface portions, wherein the front portion rises from the front surface portion. A front side trough fold parallel to one side of the part is formed, and two side faces not facing the front part and the back part are formed with downward Y-shaped side trough folds, and the side trough The folding part is a drooping line that hangs from the center of the upper edge of the side part, the apex of the front part, the side part, and the bottom part and the apex of the back part, the side part, and the bottom part from the end of the drooping line. And the end of the drooping line is set to have a dimension from the bottom surface equal to the dimension from the bottom surface of the front side valley fold, When the front side valley fold is valley-folded, the side-side valley fold is simultaneously valley-folded. The front part is folded inward between the bottom part and the back part, and the upper edge part which becomes the opening side among the edge parts of the back part and one side common to the front part and the bottom part are adjacent to each other for packaging In the bag body, a bottom surface side window portion is formed on the bottom surface portion, and the bottom surface side window portion is opened and closed by an extension piece extending from the front surface portion, the back surface portion, and the pair of side surface portions. Packaging bag.   The packaging bag according to claim 1, wherein a bottom plate having translucency covering the bottom side window portion is attached to the inside of the bottom portion.   The packaging bag according to claim 1 or 2, wherein the extension piece is provided with a fixing means for fixing the overlapping extension pieces.   In the packaging bag according to claim 1, 2 or 3, when folded, it is one side common to the upper edge part which becomes the opening side among the edge parts of the back part, the front part and the bottom part, A packaging bag, wherein a handle is provided on an edge of a bottom surface adjacent to an upper edge. The packaging bag according to claim 1, 2 or 3, wherein when folded, the upper edge which is the opening side of the edge part of the back surface part and the edge part of the pair of side surface parts which is the opening side. parts and the first handle string-like which is inserted an opening opened to the upper edge to become the opening side of the edge portion of the front portion, which is opened to one side common to said front portion and a bottom portion A packaging bag having a string-like second handle inserted through the opening, wherein the first handle and the second handle have the same length when folded.

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