JPH08230904A - Bag having opening prohibiting function at both times of initial use and reuse - Google Patents

Abstract

PURPOSE: To provide a bag having opening prohibiting function at both stages of initial use and reuse. CONSTITUTION: An opening prohibiting line consisting of intermittent cut lines extending in the width direction of a bag are provided on the first sheet piece 12 in the vicinity of the free end 26 of the flap 20 folded back to be superposed on the first sheet piece 12 on the side of a bag main body. Cutting lines 34 are provided on the central part of the flap 20 in the axis direction of the bag and a second opening prohibiting line is provided on the first sheet piece 12 so as to coincide with the cutting lines 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag having an opening prohibition function, and more particularly to a bag having an opening prohibition function at both initial use and reuse.

[0002]

2. Description of the Related Art Various types of envelopes or bags having an opening prohibition function are known. Sometimes you don't want a third party, such as a messenger, to see the contents, as you would deliver a bag containing important documents from one person to another. In such a case, if a messenger or the like tries to open the bag without permission, the traces will appear on the appearance of the bag,
It becomes a motivation to prevent opening, and as a result, the effect of prohibiting opening is improved.

The inventor previously provided a bag having the following opening prohibition function. That is, a rectangular first sheet piece and the first sheet piece that is superposed on the first sheet piece and arranged.
A rectangular second sheet piece having substantially the same size as the sheet piece, the three side edges of which are connected to the corresponding three side edges of the first sheet piece; and the three sides of the second sheet piece. A flap extending outward from one side edge other than the edge, the space between the two sheet pieces constitutes a storage portion, and the flap-side end portion of the bag serves as a bag opening portion, and the bag An end opposite to the opening is formed as a bag bottom, a direction connecting the bag opening and the bag bottom is defined as a bag axial direction, and a direction orthogonal to the bag width direction is defined as a bag width direction. There
The opening prohibition means is provided so that a trace of the opening remains when an illegal opening is attempted by peeling the flap from the free end side in a state where the flap is adhered onto the first sheet piece. It is a thing.

[0004]

The bag having the opening prohibition function as described above is highly effective. The present invention aims to provide a bag having an opening prohibition function even when it is reused after being received by a legitimate recipient while maintaining such an opening prohibition function.

[0005]

A bag according to claim 1 has a function of prohibiting opening at the time of initial use and reuse (1).
0), the rectangular first sheet piece (12) and the rectangular second sheet piece having substantially the same size as the first sheet piece (12) superposed on the first sheet piece (12). (14) the first sheet piece (12) at its three side edges
Connected to the corresponding three side edges of the second sheet piece (14) and one side edge (18) other than the three side edges.
And a flap (20) extending outward from the storage space (22) between the seat pieces (12, 14).
The flap (20) side end of the bag (10) serves as a bag opening (24), and the end opposite to the bag opening (24) serves as a bag bottom (25). The direction of connecting the bag opening (24) and the bag bottom (25) is the bag axial direction, and the direction orthogonal to the bag axial direction is the bag width direction, and the flap (20) is an opening prohibiting means. The first
An opening prohibition means for leaving an unopened trace when an illegal opening is attempted by peeling the flap (20) from its free end (26) side in a state of being adhered onto the sheet piece (12). In the opening prohibition bag provided with, the opening prohibition means includes first and second opening prohibition lines (28, 30), and the first opening prohibition line (28) is the first sheet piece (12). In the closed position of the bag, at a position located near the free end (26) of the flap (20), at least at both side portions in the bag width direction, which is an intermittent cut line extending in the bag width direction, The second opening prohibition line (30) is provided on the first sheet piece (1
2), in the bag width direction provided at least at both sides in the bag width direction at a position between the first unsealing prohibition line (28) and the opening end (32) of the first sheet piece (12). The flap (20) is formed of an intermittent cut line extending to the second side when the bag is closed.
In the vicinity of the opening prohibition line (30), a cutting line (34) made of an intermittent cutting line extending in the bag width direction is provided, and has an opening prohibition function at both initial use and reuse. It is a bag.

The bag according to claim 2 is the reusable bag having the opening prohibiting function according to claim 1, wherein the flap (20) has a flap free end (26) rather than the cut line (34). ) Side the second perforation line (36)
Is provided, and a cutout portion (38) is provided between the both cutoff lines (34, 36), which is a reusable bag having an opening prohibition function.

[0007]

[Working] The bag having the opening prohibition function in both the initial use and the reuse according to claim 1 is used as follows. That is, in the case of initial use, the side of the free end 21 of the flap 20, that is, the tip side of the flap 20 with respect to the cut line 34 is tampered with and is to be peeled from the first sheet piece 12 to which the flap 20 is attached. If an attempt is made, the first sheet piece 12 near the free end 21
The first unsealing prohibition line 28 provided on the rupture causes breakage or deformation occurs in the vicinity of the unsealing prohibition line 28. This fact is easily known to a third party, and hesitates to attempt unauthorized opening. In this way, illegal opening at the time of initial use is prohibited.

When the bag is received by an appropriate recipient during the initial use, the cut line 34 provided on the flap 20 is cut. This allows the flap 20 to be located on the side of the bag opening 24 of the flap 20 with respect to the cut line 34, while leaving 20a on the front end side of the cut line 34 adhered on the first sheet piece 12. 20b can be expanded upward. In this way, the portion 20b of the flap 20 can be opened and closed with respect to the bag body.

When the bag in this state is reused, a new flap 20b is adhered to the first sheet piece 12 with an adhesive. At this time, the free end of the new flap 20b, that is, the place 36 where the original cut line 34 was located.
Is the second opening prohibition line 3 provided on the first sheet piece 12.
It will be located near 0. Therefore, when the person who illegally opens the flap 20b tries to scrape the flap 20b from the free end 36 and tries to peel it from the first sheet piece 12, a break occurs in the second unopening prohibition line 30 or the vicinity of this is stretched and deformed. To do Such facts are obvious to anyone trying to open the door, and hesitate to open the door. In this way, opening is prohibited.

In the bag according to the second aspect of the present invention, which has an opening prohibition function both at the time of initial use and at the time of reuse, the flap 20 is provided with an additional cut line 36 in addition to the cut line 34. There is. Therefore, the cutout portion 38 defined by the cutout lines 34 and 36 and extending in the bag width direction.
Can be cut through both said tear lines 34, 36 so that the appropriate recipient can open the bag.

[0011]

1 to 7 show a first embodiment of the present invention.

Reference numeral 10 indicates the entire bag of the present invention. This bag 10 is composed of a rectangular first sheet piece (12) and the first sheet piece (1) superposed on the first sheet piece (12).
2) a rectangular second sheet piece (14) having substantially the same size as that of the second sheet piece, the three side edges of which are connected to the corresponding three side edges of the first sheet piece (12); The sheet piece (14) includes a flap (20) extending outward from one side edge (18) other than the three side edges. The space between the two sheet pieces (12, 14) constitutes a storage portion (22), and the end portion of the bag (10) on the flap (20) side is a bag opening portion (24). The end opposite to the part (24) is formed as a bag bottom (25), and the bag opening (2
The direction connecting 4) and the bag bottom portion (25) is defined as the bag axial direction, and the direction orthogonal to this is defined as the bag width direction.

As the material of the bag, any material such as paper, synthetic paper, kraft paper, and plastic film can be used.

In the vicinity of the opening end 32 of the first sheet piece 12 of the flap 20, a folding line 21 composed of an intermittent cut line is arranged. When sealing the bag,
The flap 20 is folded over the first sheet piece 12 through the folding line 21. In this state, slightly below the free end 26 of the flap 20, the first sheet piece 12
In addition, a first unopening prohibition line 28 is provided. The unopening prohibition line 28 is an intermittent cut line extending in the bag width direction. The unopening prohibition line 28 can be provided over the entire width of the bag. However, this may be provided only on both side portions in the bag width direction and may be omitted at the central portion in the bag width direction. That is, an attempt to illicitly open a bag is usually started from the side of the bag, and therefore, if an opening prohibition line is provided at this position, the minimum function is achieved.

At the intermediate portion between the flap free end 26 and the folding line 21 on the inner surface of the flap 20,
A cutoff line 34 formed of an interrupted cut line extends in the bag width direction. The flap portion 20a between the cut line 34 and the flap free end 26 is a portion that acts as an opening prohibition in the stage of initial use. When the bag is received by the appropriate recipient after initial use, the flap 20 is cut at the score line 34. As a result, the portion 20a remains adhered on the first sheet piece 12, and the portion 20 from the cut line 34 to the folding line 21.
Configure b if b is reused. That is, the flap free end 36 in the case of reuse is an end cut along the cut line 34. Therefore, the first sheet piece 1
When a new flap 20b is folded over the first sheet piece 12 through the folding line 21 on the upper side of the second sheet 2, the second flap 20b is slightly lower than the position where the new free end 36 is located in the drawing. The opening prohibition line 30 is provided. The second unopening prohibition line 30 is also a cut line that extends intermittently in the bag width direction. The bag may be provided over the entire width in the bag width direction, but it may be provided only on both sides of the bag.

Both 40 and 42 are adhesive layers, the first adhesive layer 40 is disposed on the free end side portion 20a of the flap 20, and the second adhesive layer 42 is the base portion of the flap 20. It is provided on the side portion 20b.
These adhesive layers 40 and 42 are covered with release papers 41 and 43. However, such adhesive layers 40, 42
This may be applied each time the user uses it without providing it in advance.

The method of using the bag of this embodiment will be described below.

First, the release paper 41 on the portion 20a of the flap 20 is removed. Flap 20 via folding line 21
And the flap 20 is overlaid on the first sheet piece 12. At this time, the free end 26 of the flap 20 is positioned slightly above the first unsealing line 28 on the first sheet piece 12. Then, the adhesive layer 40 abuts on the region in the bag width direction defined by the first and second unopening prohibition lines 28 and 30, and the flap 20 is attached to the first sheet piece 12 via the adhesive layer 40. To be

An unauthorized person is required to access the free end 26 of the flap 20.
Is scraped from the first sheet piece 12 with a nail or the like to try to peel it from the first sheet piece. However, since the first unsealing prohibition line 28 is arranged in the position immediately near the free end 26 of the flap, an attempt to open the unsealed portion causes a fracture to grow from the position of the first unsealing prohibition line 28 or the first unsealing prohibition line 28 The first sheet piece 12 is stretched in the vicinity of. In this way, traces of unsealing attempts will be significantly left.

When the appropriate recipient receives the bag, the flap 20 is cut at the cut line 34. For example, when a rod-shaped member such as a pencil having a sharp tip is inserted into the space 23 in FIG. 4 in a direction perpendicular to the paper surface, the cut line 34 is broken. In this way, flap 2
The proximal end portion 20b of the flap 20 is separated from 20a while leaving the distal end portion 20a of 0 attached to the first sheet piece 12 in a bonded state. At this time, the adhesive layer 42 of the portion 20b remains covered with the release paper 43, so that the portion 20b is not adhered to the first sheet piece 12, and therefore the portion 20b can be expanded upward. This portion 20b constitutes a new flap when the bag is reused.

When the bag is to be reused in the state of having the opening prohibition function, the release paper 43 on the new flap 20b is peeled off to expose the adhesive layer 42, and the adhesive layer 42 is interposed. , The new flap 20b is adhered to the first sheet piece 12. In this state, the new free end 36 of the flap 20b is located near the second unopening prohibition line 30 arranged on the first sheet piece 12. Therefore, when an attempt is made to scrape off the free end 36 of the flap 20b with a claw or the like to separate the flap 20b from the first sheet piece, a fracture may grow from the second opening prohibition line,
The first sheet piece 12 is stretched and deformed in the vicinity of this portion. In this way, even in the case of reuse,
The opening prohibition function is performed.

8 to 14 show a second embodiment of the present invention.

In this case, the flap 20 is provided with two cut lines 34 and 36, and a region in the bag width direction sandwiched by these cut lines 34, 36 constitutes a cutout portion 38. . Similar to the case of the first embodiment, the cutoff line 34 connects the flap 20 to the folding line 2.
It is provided at a position that coincides with the second unopening prohibition line 30 when the first sheet piece 12 is folded and overlapped with the sheet 1 interposed therebetween.
Reference numeral 38 is another cut line provided between the first and second unopening prohibition lines 28 and 30. The cut line 38 is provided at a position that substantially coincides with the second cut line 36 when the flap 20 is folded and overlapped on the first sheet piece 12. This cut line 38 is not always necessary in terms of function.

In this embodiment, the adhesive layer 40 is provided closer to the flap free end 26 than the second perforation line 36, and the other adhesive layer 42 is between the first perforation line 34 and the fold line 21. It is provided in between.

In this embodiment, in the initial use of the bag, the bag is opened by cutting the cutting portion 39 after the bag is received by an appropriate recipient of the bag. At the time of reuse, the portion 20b on the flap free end side from the first cut line 34 functions as a new flap.

15 to 18 show still another embodiment of the present invention. In this case, the flap 20 is provided with another cut line 70 extending obliquely downward from the upper left corner in the closed state of the bag. The portion 72 delimited by the tear line 36, the notch line 70 and the flap free end 26 is the remaining portion of the flap 20 if the tamperer attempts to peel the flap 20 from the lower left corner of the figure. And is peeled off (FIG. 16). In this way, since the unsealing attempts remain remarkably, the unsealing prohibition effect can be enhanced. Also, the two cutting lines 34, 36
The portion 74 delimited by and the cut line 70 can be cut off as shown in FIG. As a result, 2
A left side edge 41 of the cutout portion 39 defined by the cut lines 34 and 36 of the book appears at a position which is located on the left side in the drawing from the side edge of the bag. Therefore, the legitimate recipient is the excision unit 3
When trying to cut out 9, the vicinity of the portion 41 can be easily grasped and the bag can be easily opened.

Further, the triangular portion 76 defined by the cut line 34 and the cut line 70 is cut off as shown in FIG. 18 so that the side edge of a new flap at the time of reuse is slanted. Can be obtained. this is,
It looks like a normal envelope flap, so the appearance is good.

19 to 21 show still another embodiment of the present invention. In this case, a V-shaped groove is added to the above embodiment. That is, in the lower left corner of the flap in FIG. 19, the V-shaped groove 80 is provided so as to face the tip of the corner, and the cut 7
At a position on the left side of the drawing from 0, another V-shaped cut 82 is arranged toward the corner formed by the cut 70 and the flap free end 26. When the portion 72 of the flap 20 is to be peeled off, the state shown in FIG. 20 is obtained, and when the portion of the flap 20 on the right side of the cut line 70 is peeled off, the state shown in FIG. 21 is obtained.
In these states, the parts 81 and 83 are
Since it remains adhered on the first sheet piece, if the flap 20 is to be peeled off further, a break will occur in the flap 20 from the base of these portions 81, 83. In this way, the evidence of tampering attempts becomes more prominent.

FIG. 22 shows still another embodiment of the present invention. For example, when an adhesive is applied to the free end side of the flap 20 as shown in FIG. 1, as shown in FIGS. 22 (a) and 22 (b), the end of the adhesive layer and the flap 20 are The edges of the do not match exactly. In the case of (a), a portion which is not covered with the adhesive layer occurs at the end portion of the flap 20, and this portion serves as a tab margin, which easily induces unauthorized opening. Further, in the case of (b), the adhesive layer projects outward from the end portion of the flap 20, and when a large number of such bags are stacked, this adhesive layer is applied to another bag. It is glued and there are many problems.

In order to eliminate such a drawback, (c)
It is conceivable to dispose the single-sided adhesive tape 80 on the back surface of the flap 20, as shown in FIG. The single-sided adhesive tape 80 is
An adhesive layer originally formed on a wide base material is cut into narrow widths, and the base material and the adhesive layer are aligned at the ends thereof. In this way, the above-mentioned problems are solved.

In the above-mentioned embodiment, the opening prohibition mechanism is arranged in two stages, but it may be provided in three or more stages.

[0032]

In the bag of the present invention, the opening prohibiting function can be obtained in both initial use and reuse.

[Brief description of drawings]

FIG. 1 is a perspective view showing an upper left portion of a bag according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the flap of the previous figure is closed.

FIG. 3 is a vertical sectional view of the previous figure.

FIG. 4 is a perspective view showing a state in which the bag of this embodiment is about to be illicitly opened.

FIG. 5 is a perspective view showing a state where an appropriate recipient is opening this bag.

FIG. 6 is a perspective view showing a state in which the base side of the flap is unfolded upward after being opened according to the previous figure.

FIG. 7 is a vertical cross-sectional view showing a state in which a new flap is folded over the bag body, that is, the first sheet piece, from the state of the previous figure.

FIG. 8 is a perspective view showing an upper left portion of a bag according to another embodiment of the present invention.

FIG. 9 is a perspective view showing a state in which the flap is closed from the state of the previous figure.

FIG. 10 is a vertical sectional view of the previous figure.

FIG. 11 is a perspective view showing a state in which the bag of this embodiment is being opened by removing the cut portion.

FIG. 12 is a vertical cross-sectional view showing a state where unsealing is completed from the state of the previous figure.

FIG. 13 is a perspective view showing a state in which the flap base portion side shown in the previous figure is expanded upward.

FIG. 14 is a vertical cross-sectional view showing a state in which the flap base side of the previous figure is folded again on the bag body side.

FIG. 15 is a perspective view showing an upper left portion of a bag according to another embodiment.

FIG. 16 is a perspective view showing a state in which a part of the flap in the previous figure is removed.

17 is a perspective view showing a state in which another part of the flap of FIG. 15 is removed.

FIG. 18 is a perspective view showing a state in which another part of the flap of FIG. 15 is removed.

FIG. 19 is a perspective view showing an upper left portion of a bag according to still another embodiment of the present invention.

FIG. 20 is a perspective view showing a state in which the bag is about to be opened without permission from the state of the previous figure.

FIG. 21 is a perspective view showing another attempt to open the bag of FIG. 19 without permission.

FIG. 22 is a cross-sectional view showing a method of providing an adhesive layer on the flap. (A) and (b) show a problem, and (c) shows a solution.

[Explanation of symbols]

 10 bag 12 first sheet piece 14 second sheet piece 20 flap 24 bag opening 25 bag bottom 26 flap free end 28 first opening prohibition line 30 second opening prohibition line 34 cutoff line 36 cutoff line 38 cutout portion

[Procedure amendment]

[Submission date] April 24, 1995

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

FIG.

[Fig. 2]

FIG. 22

[Figure 3]

[Figure 4]

[Figure 7]

FIG. 21

[Figure 5]

[Figure 6]

[Figure 8]

[Figure 9]

FIG. 11

[Fig. 13]

[Figure 10]

[Fig. 12]

FIG. 14

FIG. 15

FIG. 16

FIG. 17

FIG. 18

FIG. 19

FIG. 20

Claims (2)

[Claims] 1. A bag (10) having an opening prohibition function both at the time of initial use and at the time of reuse, wherein a rectangular first sheet piece (12) and the first sheet piece (12) are polymerized. The first arranged
A rectangular second sheet piece (1 having the same size as the sheet piece (12)
4) which is connected to corresponding three side edges of the first sheet piece (12) at three side edges thereof, and one side of the second sheet piece (14) other than the three side edges. The flap (20) extends outward from the edge (18), and the space between the two sheet pieces (12, 14) is a storage part (2).
2) and the flap (20) of the bag (10)
The end on the side is the bag opening (24), and the bag opening (2
The end opposite to 4) is the bag bottom (25), the direction connecting the bag opening (24) and the bag bottom (25) is the bag axial direction, and the direction orthogonal to this is the bag width. The flap (20) as an opening prohibiting means.
When the unauthorized opening is attempted by peeling the flap (20) from the free end (26) side in a state where the sheet is adhered onto the first sheet piece (12), a trace of the opening is left. In the unopened bag provided with the unopened prohibition means, the unopened prohibition means includes the first and second unopened prohibition lines (28, 3).
0), and the first opening prohibition line (28) is located in the first sheet piece (12) at a position near the free end (26) of the flap (20) in the closed state of the bag. And a second cut-off prohibiting line (30) provided on at least both sides in the bag width direction and extending in the bag width direction, wherein the second unopening prohibition line (30) is the first sheet piece (12). Between the opening prohibition line (28) and the opening end (32) of the first sheet piece (12), which is provided on at least both sides in the bag width direction, and is an intermittent cut line extending in the bag width direction. In the flap (20), in the bag closed state, in the vicinity of the second unopening prohibition line (30), a cut line (3) made of an intermittent cut line extending in the bag width direction.
4) The bag having an opening prohibition function both at the time of initial use and at the time of reuse, characterized by being provided. 2. The reusable bag having the opening prohibition function according to claim 1, wherein the flap (20) comprises:
Flap free end (26) more than said tear line (34)
A reusable bag having an opening prevention function, characterized in that a second cutoff line (36) is provided on the side, and a cutout portion (38) is provided between the two cutoff lines (34, 36).