JP2006176145A - Multi-layered paper bag with band - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-layered paper bag with a band which is easily unsealed and moved. <P>SOLUTION: In the multi-layered paper bag 10 with the band in which a sealing band 15 is affixed to one side and the other side is sealed in advance by a sealing member (a bottom-attaching paper) 17, an unsealing means 20 to unseal the other side of the paper bag 10 is arranged on the sealing member 17. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a banded paper bag in which one side is bound with a band and the mouth is sealed, and more particularly to a multilayered paper bag with a band constituted by a multilayered paper bag.

  In general, among multi-layer paper bags made of multi-layer kraft paper or the like having two to three layers, a multi-layer paper bag with a band in which a band is pasted along the longitudinal direction on the mouth side of the surface layer has been conventionally provided. .

In this multi-layer paper bag with a band, after filling the contents from the open mouth part, the mouth part including the band is bent twice or three times, and then the mouth part is tightly connected to seal the mouth part. ing.

  FIG. 11 is a conceptual perspective view of the above-described conventional banded paper bag 1 (hereinafter simply referred to as a paper bag 1). In particular, after the contents such as rice are packed into the multi-layered paper bag 1 from the mouth side 2, The state where the part 2 side is bent three times, the band 3 attached to the mouth part 2 is truly connected, and the mouth part 2 side is sealed is shown. In such a banded paper bag 1, the bottom portion 4 is bent in advance and further sealed and sealed in advance by a bottom backing paper 5 which is a sealing member.

  On the other hand, in order to take out the contents (for example, rice, tea) from the paper bag 1 whose mouth 2 is sealed by the band 3 described above, the end user cuts the band 3 that has been truly tied with a blade, and then bends the mouth 2. Next, it is necessary to lift the paper bag 1 and move it, and to put the contents into, for example, a hopper.

By the way, according to the conventional banded paper bag 1 described above, in order for the end user to open the mouth, the band 3 that has been truly tied must be cut with a blade, and further the work for unfolding the folded mouth 2 must be performed. Not only is the operation complicated, but, for example, when rice is stored as the contents, the weight of the paper bag 1 is about 30 kg. Therefore, the end user lifts the paper bag 1 and stores a hopper or the like. Moving work, such as putting it in, was very hard work and accompanied by difficulty.

In view of the above-described circumstances, the present invention provides a multi-layer paper bag with a band that can be easily opened and moved.

  In order to solve the above-described problems, in the present invention, in a multilayer paper bag with a band in which a sealing band is stuck on one side and the other is sealed in advance by a sealing member, the sealing member is broken on the sealing member. An opening means for opening the other side of the multi-layer paper bag with bands is provided.

  According to the multi-layer paper bag with a band described above, when the band that has been tied up is lifted and moved using, for example, a crane or the like, and then the opening means disposed on the sealing member is operated and broken, The other is easily opened, so the contents (for example, rice, tea) contained in the multilayer paper bag can be easily accommodated in an accommodating device such as a hopper, and therefore, the opening and closing for the end user. It is possible to provide a multi-layer paper bag with a band that is extremely easy to move.

  Hereinafter, an embodiment of a paper bag according to the present invention will be described in detail.

FIG. 1 is a front view showing a banded multilayer paper bag 10 (hereinafter simply referred to as a paper bag 10) according to the present invention.

The paper bag body 11 of the paper bag 10 is a pleated paper bag made up of two layers of tubular bodies (tube bodies) made of kraft paper.

The mouth portion 12 which is one side of the paper bag body 11 is cut straight. Further, both end portions S in the vicinity of the fold line 13 adjacent to the mouth portion 12 remain about 10 mm each, and the vertical slit L is cut about 30 mm, and the whole is bent to the surface side 11 a of the paper bag body 11 to wrap the band 15. A multilayer folded piece 14 is formed.

On the other hand, a band 15 formed of a paper string or the like along the longitudinal direction of the front side 11a of the paper bag main body 11 adjacent to the mouth portion 12 is attached in advance in the same manner as in the past. Has been.

Further, the bottom 16 which is the other side of the paper bag main body 11 is sealed and sealed in advance by a bottom sheet 17 which is a sealing member.

On the other hand, as shown in FIG. 2 shown in the rear view of the paper bag body 11, an opening means 20 that can break the bottom backing paper 17 along its longitudinal direction is formed on a part of the bottom backing paper 17. ing.

The opening means 20 is constituted by an opening tape 20a in the embodiment. In addition, in order to show the position where this opening tape 20a exists, a pair of slits 17a is formed in the bottom backing paper 17 along the longitudinal direction.

On the other hand, in order to prevent the band 15 previously attached to the bent piece 14 from falling off, as shown in FIG. 3 shown in the AA line cross-sectional view in FIG. 1 and FIG. 4 shown in the enlarged cross-sectional view of the main part of the bent piece 14. The paper bag main body 11 is formed with band reinforcing means 30.

As shown in FIG. 4, the band reinforcing means 30 bonds the bent piece 14 and the outer layer 21 and the inner layer 22 of the paper bag body 11 constituting the bent piece 14, that is, the interlayer of the multilayer paper bag. The first adhesive layer 31 to be bonded, the surface of the band 15 and the surface of the outer layer 21 at a position facing it, the second adhesive layer 32 to be bonded, the outer layer 21 and the inner layer 22 at a position facing the band 15 , That is, a third adhesive layer 33 that adheres the layers of the multilayer paper bag.

Thus, the first to third adhesive layers 31 that are the band reinforcing means 30 are provided between the outer layer 21 and the inner layer 22 at a position facing the band 15 and between the outer layer 21 at a position facing the band 15. , 32, and 33, the band 15 is firmly bonded to the paper bag main body 11, and as described later, the band 15 is hung with a hook such as a crane after the ends of the band 15 are tied together. Even so, the band 15 is prevented from falling off the paper bag body 11 as much as possible.

  In FIG. 3, reference numeral 40 denotes a conventional adhesive layer that adheres between the outer layer 21 and the inner layer 22 at a position facing the folded piece 14 before the folding, and 41 and 42 denote the base paper 17 and the outer layer 21, respectively. As shown in FIG. 3, the bottom portions 43 of the outer layer 21 and the inner layer 22 are bent in advance and sealed with the bottom backing paper 17.

  Next, the operation of the above-described multilayer paper bag with band 10 will be described, and the configuration will be described in more detail.

  First, as shown in FIG. 5, the mouth portion 12 is greatly expanded from the position shown in FIG. 3, and then the contents, for example, rice R, is poured into the mouth portion 12 as indicated by an arrow B.

  Next, as shown in FIG. 6, one side 50 of the mouth portion 12 is bent once so as to cover the bent piece 14, and the entire bent portion 51 including the bent piece 14 is further bent twice as shown in FIG. The final bent portion 60 is formed, thereby sealing the mouth portion 12.

  Next, as shown in FIG. 8, the bent portion 60 described above is bent toward the back side of the paper bag main body 11, and each end portion of the band 15 is tied with a true knot, thereby fastening the hand 15.

  Next, as shown in FIG. 9, the hook 70 of the conveying means such as a crane (not shown) is engaged with the band 15 and the paper bag 10 is lifted as indicated by the arrow C.

  At that time, as described above, the band 15 is the first band reinforcing means 30 between the outer layer 21 and the inner layer 22 at a position facing the band 15 and between the outer layer 21 at a position facing the band 15. Or the third adhesive layers 31, 32, and 33 are bonded and reinforced (FIG. 4), the band 15 is firmly bonded to the paper bag main body 11, and thus a heavy paper bag containing the contents (for example, rice). Even if the main body 11 is lifted by the hook 70 and moved, the band 15 can be easily moved without falling off the paper bag main body 11.

  Then, the paper bag 10 is moved to the position where the hopper or the like is disposed, and then the opening tape 20a of the opening means 20 is pulled as indicated by an arrow D, and the bottom backing paper 17 is broken, as shown in FIG. The bottom 43 of the main body 11 can be easily opened, and the rice R, which is the contents, can be dropped downward as indicated by the arrow E and can be easily put into the hopper.

  In addition to the band reinforcing means 30, the exposed portion 80 of the mouth portion 12, which is one end of the banded multilayer paper bag 10 exposed by the formation of the folded piece 14 shown in FIG. It is also possible to further improve the reinforcing effect of the band by adhering with an adhesive.

  In the above embodiment, the multilayer paper bag 10 with two layers of bands is used, but the number of layers is not limited to the above example, and may be applied to a multilayer paper bag with two or more layers of bands. The form of the paper bag is not limited to the one with pleats, and may be applied to a multilayered paper bag with bands without pleats.

  Furthermore, in the above-described embodiment, the opening means 20 is disposed on the bottom backing paper 17 which is a sealing member as a separate member. However, the present invention is not limited to the above-described embodiment. 17 may be applied to a type in which one end of the paper bag main body seals one (bottom part) as a sealing member, such as a so-called bottom bag. The unsealing means 20 may be applied to the sealing member itself.

  As described above, the present invention is suitable for a multi-layer paper bag with a band that can be easily opened and moved.

FIG. 1 is a front view of a multilayered paper bag with a band according to the present invention. FIG. 2 is a rear view of the multilayer paper bag with a band according to the present invention. 3 is a cross-sectional view taken along line AA in FIG. 4 is an enlarged view of the main part of FIG. FIG. 5 is a cross-sectional view showing the operation of the multi-layer paper bag with a band according to the present invention. FIG. 6 is a cross-sectional view showing the operation of the multi-layer paper bag with a band according to the present invention. FIG. 7 is a cross-sectional view showing the operation of the multilayered paper bag with a band according to the present invention. FIG. 8 is a conceptual perspective view showing the operation of the multi-layer paper bag with bands according to the present invention. FIG. 9 is a conceptual perspective view showing the operation of the multi-layer paper bag with bands according to the present invention. FIG. 10 is a conceptual perspective view showing the operation of the multi-layer paper bag with bands according to the present invention. FIG. 11 is a conceptual perspective view showing a conventional multilayer paper bag with a band.

Explanation of symbols

10 ... Multi-layer paper bag with band 12 ... One side (mouth)
14 ... bent piece 15 ... band 16 ... the other (bottom)
17 ... Sealing member (bottom backing paper)
20 ... opening means 20a ... opening tape 30 ... band reinforcing means 31 ... first adhesive layer 32 ... second adhesive layer 33 ... third adhesive layer 80 ... exposed portion L ... slit

Claims (5)

In a multilayered paper bag with a band in which a band for sealing is stuck on one side and the other is sealed and sealed in advance by a sealing member,
A multilayer paper bag with a band, wherein the sealing member is provided with an opening means for breaking the sealing member to open the other side of the multilayer paper bag with a band.
The multi-layer paper bag with a band according to claim 1, wherein the opening means is an opening tape.
The multi-layer paper bag with a band according to claim 1, wherein a band reinforcing means for preventing the band from dropping off is formed on one side of the multi-layer paper bag with a band to which the band for sealing is attached.
The band reinforcing means includes a folded piece formed to wrap the band by a pair of slits formed on one side of the multilayer paper bag with the band adjacent to the band, and the multilayer paper bag constituting the folded piece. A first adhesive layer for adhering layers, a second adhesive layer for adhering between the surface of the band and the surface of the multilayer paper bag at a position facing the band, and the multilayer at a position facing the band The multi-layer paper bag with a band according to claim 3, comprising a third adhesive layer for adhering the layers of the paper bag.
The multilayered paper bag with a band according to claim 4, wherein the folded part is adhered to an exposed portion exposed on one side of the multilayered paper bag with a band by forming the folded piece.

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