JPH107169A - Carton with easily unsealable inner bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To unseal a carton and an inner bag at the same time by pulling a zipper by a method wherein an unsealable top end of the inner bag is formed at a side end of the inner bag, the unsealable top end is held between a side board of the carton and a sticking piece thereof and is bonded thereto, and the inner bag is so arranged that it is not stuck on the inside of the carton except the unsealable top end of the inner bag. SOLUTION: One side end of an inner bag is formed into an extension 13 as a whole to extend outward, and an unsealable top end 14 of the inner bag is provided at a part of the extension 13, which is in a position corresponding to a zipper, by upper and lower cut lines. A cylindrical sticking part 15 of the top end is sealed, and the unsealable top end 14 projected at one side end of the inner bag 12 containing an article 18 in its interior is held mutually by a front board 1 and a sticking piece 5 and is bonded thereto. The inner bag 12 is contained in a carton 17 under the condition that the inner bag 12 is not stuck on the inside of the carton 17 except this unsealable top end 14. Accordingly, by pulling an opening piece 11 by hand to tear it off, a portion of the inner bag 12, which is in the same position as that of the zipper, is also torn off together with the zipper, and the inner bag 12 is unsealed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carton with an inner bag which can be opened simultaneously with the carton and can be easily disposed of.

[0002]

2. Description of the Related Art Conventionally, when the body of a carton with an inner bag is opened horizontally, first, a zipper provided in the carton body is torn apart to open the carton. A two-stage method is generally used in which the upper part is opened horizontally with scissors or cut tape. A proposal to open the carton and inner bag at the same time can be found in, for example, Japanese Utility Model Publication No. 63-35983, in which the inner bag made of plastic and the carton made of outer paper are used. However, it is partially but adhered.

[0003]

However, the zipper provided in the horizontal direction of the body of the conventional carton with inner bag is cut open horizontally to open the upper part of the carton first, and then the upper part of the inner bag that has emerged is subjected to some method. It is cumbersome to open the bag twice, and there is a problem that the opening level of the carton and the inner bag do not match, which makes it difficult to use, and that the appearance is not clean. In addition, the inner bag made of inner plastic and the carton made of outer paper,
Although it is partially adhered, it has a disadvantage that it is difficult to separate when discarded. The present invention has been made in view of the above problems, by pulling the zipper when opening the carton, the carton and the inner bag can be opened at the same time, further, because the carton and the inner bag are not bonded, It is an object of the present invention to provide an easily-openable carton with an inner bag which can be easily separated after use, separated and discarded.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a carton composed of at least a front plate, a side plate, a rear plate, a side plate, a sticking piece, and a cover plate, and a tubular side surface. In a carton with an inner bag, which has an inner bag to which a tube is attached, a tear zipper is provided on the carton, and a cutout opening piece of the zipper is provided at a side end of the attaching piece, and a side of the inner bag. The gist of the present invention is a carton with an easy-opening inner bag, wherein an inner bag opening tip is formed at an end, and the inner bag opening tip is adhered and sandwiched between the side plate of the carton and the sticking piece. . And the inner bag opening tip provided at the side end of the inner bag is provided so as to protrude from the side end of the inner bag,
Alternatively, two cut lines are provided at the side end of the inner bag, and the inner bag opening tip provided at the side end of the inner bag is provided on a cutting line of the inner bag. It is a protruding tip portion of the opened tape for opening. At this time, the inner bag is provided with an easy tearing property so as to be orthogonal to the tube sticking direction so that the inner bag is accurately cut in a straight line.

According to the present invention, by pulling the zipper when opening the carton, the carton and the inner bag can be opened at the same time, and since the inner bag and the carton are not bonded, they can be easily separated after use. An easily openable carton with an inner bag that can be discarded separately can be obtained.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 is a view showing a carton blank outside a carton A with an easily-openable inner bag according to the present invention. First, as shown in FIG. 1, a carton blank used in the present invention includes a front plate 1, a side plate 2, a rear plate 3, a side plate 4, and a sticking piece 5, which are sequentially connected to each other. , Side plate 2, rear plate 3, side plate 4
Cover plates 6, 7, 8, and 9 are respectively connected to the upper and lower ends of the carton. Further, a strip-shaped tearing zipper 10 is formed on the upper part of the carton along the entire circumference by cutting lines, and is attached. At the left end of the piece 5 or at the border with the side plate 4,
An opening piece 11 serving as a starting point of the cut of the zipper 10 is provided. Note that the zipper 10 may be formed by a half cut (half cut) instead of a cut line. Paperboard can be used as the material for the carton blank. Printing is often performed on the surface, and white paperboard such as a coated ball is preferred. The basis weight depends on the size of the carton, but 200 to 5
It can be appropriately selected and used from the range of 00 g / m ² .

FIG. 2 is an exploded view of three types of inner bags inside the carton A with an easily-openable inner bag according to the present invention. In the first pattern, as shown in FIG. 2A, one side end of the inner bag extends outwardly as an extension 13 as a whole, and a part of the inner side extends in a position corresponding to the zipper 10. The bag opening tip 14 is provided by upper and lower cut lines. In the second pattern, as shown in FIG. 2B, an inner bag opening front end portion 14 is provided at a position corresponding to the zipper 10 at one end of the inner bag. Then, as shown in FIG. 2C, the third pattern is to attach the opening tape 16 along the cut line of the inner bag, and to make the end of the opening tape 16 project from one side end of the inner bag. The inner bag opening tip portion 14 is provided.
In this case, it is preferable to apply a scar processing to one end of the inner bag so that the inner bag is easily torn.

FIG. 3 is a cross-sectional view showing a development of the inner bag 12 in which each of these developed views is actually attached to a cylinder and formed in the inner bag 12. FIG. 2 shows a method of attaching the inner bag 12 to the cylinder.
a, in the case of the inner bag pattern of FIG. 2-b, an envelope-attached type is preferable as shown in FIG. 3-a. In the case of the pattern of the inner bag shown in FIG. 2C, as shown in FIG. As a material used for the inner bag 12, a material configuration used for a general soft-packaged bag can be used. For example, stretched polypropylene (hereinafter referred to as OPP)
/ Polyethylene (hereinafter referred to as PE), OPP / PE / aluminum foil / PE, paper / PE / aluminum foil / PE, and the like. Further, by making the material configuration of the inner bag 12 imparted to it easy tearing so as to be orthogonal to the direction in which the inner bag 12 is stretched, the opening can be performed more easily. In order to impart this easy tearing property, it is preferable to use a transverse uniaxially stretched polypropylene film.
Horizontal uniaxially stretched polypropylene film / PE / aluminum foil /
A PE material configuration can be suitably used.

FIG. 4 shows a cross section of an easily-openable carton A with an inner bag in which the inner bag 12 and the carton 17 are combined.
As shown in the figure, the tubular sticking portion 15 at the end is sealed, and the protruding inner bag opening tip 14 at one side end of the inner bag 12 containing the product 18 is formed between the front plate 1 and the sticking piece 5. The inner bag 12 is not adhered to the carton 17 except for the inner bag opening tip portion 14 so that the inner bag 12 is
Is housed inside. As the adhesive for bonding the front plate 1 and the adhesive strip 5, an adhesive generally used in a carton can be used. For example, an emulsion type adhesion of a vinyl acetate / acrylic copolymer may be mentioned.

The opened state of the carton A with the easily openable inner bag of the present invention will be described in detail with reference to FIG. To actually take out the product 18 stored in the inner bag 12, as shown in the drawing, the opening piece 11 provided on the sticking piece 5 of the carton 17 is pulled and peeled off, and at the same time, it is stuck to the front plate 1. The inner bag opening tip 14 of the inner bag 12 sandwiched and bonded by the piece 5 is pulled off. As the zipper 10 is sequentially torn, the inner bag opening tip 14 of the inner bag 12 is used as a trigger to cause the portion of the inner bag 12 at the same position as the zipper 10 to be torn together with the zipper 10, and the carton 17 and the inner bag 12 are integrally formed. At the same time, the product is opened and the product 18 in the inner bag 12 can be taken out.

(Example) A coated ball having a basis weight of 310 g / m ² was used, the size of the front plate was 144 × 67 mm, the width of the side plate (the depth of the carton) was 23 mm, and the width of the zipper was 12 m.
m, the distance between the upper cut line of the zipper and the ruled line of the lid plate is 42
A carton blank having a development view as shown in FIG. On the other hand, a horizontally uniaxially stretched polypropylene film 25
A laminated wound film having a laminated structure of μm / PE 35 μm was prepared as an inner bag film. Then, after slitting this laminated film to a width of 202 mm, a process of giving a scar to both side edges was performed. Next, a wound film having a laminated structure of a polyester film of 12 μm / PE of 50 μm was prepared for an opening tape. Then, the film for opening tape was slit to a width of 227 mm.
Further, the film for the opening tape is cut at a pitch of 5 mm to form an opening tape, and when combined with the carton, the front end of the film for the inner bag is placed on the inner surface of the film for the inner bag so as to be at the same position as the zipper. Then, they were made to protrude by 30 mm, and were thermally fused. Next, wrap the product in the inner bag film with the opening tape,
It was sealed with a width of m to form a cylindrical shape. Then, both ends of the upper and lower openings were heat sealed. Subsequently, when the inner bag containing the product was wrapped with a carton blank, the opening end of the inner bag of the opening tape was sandwiched between the opening pieces of the zipper of the carton, and the front plate and the adhesive piece were adhered. Further, the lid plate of the cylindrical carton was folded and adhered to complete the carton with the easily-openable inner bag of the present invention. When the thus obtained product was actually opened, the carton and the inner bag could be easily and simultaneously opened.

[0012]

According to the present invention, in a carton with an inner bag which has conventionally had to be opened in two stages, the carton and the inner bag can be opened at once by pulling the zipper when opening the carton. Since it can be opened stably and neatly, it is preferable as a packaging container for confectionery, snacks and the like. Furthermore, since the inner bag and the carton are not adhered, the carton has an easily-openable inner bag having a function of easy disposal such that it can be easily separated after use and separated and disposed.

[Brief description of the drawings]

FIG. 1 is a view showing a carton blank with an easily-openable inner bag according to the present invention.

FIG. 2 is an exploded view of the inner bag of the carton with the easily-openable inner bag of the present invention.

FIG. 3 is a cross-sectional view showing an inner bag of the carton with an easily-openable inner bag of the present invention.

FIG. 4 is a sectional view showing a carton with an easily-openable inner bag according to the present invention.

FIG. 5 is a partially enlarged sectional view showing an unsealed portion of the easily-openable carton with an inner bag according to the present invention.

FIG. 6 is a perspective view showing an easily-openable carton with an inner bag according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front plate 2 Side plate 3 Rear plate 4 Side plate 5 Adhesion piece 6 Cover plate 7 Cover plate 8 Cover plate 9 Cover plate 10 Zipper 11 Opening piece A Carton with easy-open inner bag 12 Inner bag 13 Inner bag side end extension 14 Inner bag opening tip 15 Tube sticking part 16 Opening tape 17 Carton 18 Product 19 Adhesive layer

Claims (5)

[Claims] 1. An inner bag-equipped carton comprising at least a front plate, a side plate, a rear plate, a side plate, a sticking piece, and a carton composed of a lid plate and an inner bag having a cylindrical side wall. A tear zipper is provided on the carton, and a cutout opening piece of the zipper is provided at a side end of the sticking piece, and an inner bag opening tip is formed at a side end of the inner bag, and the inner bag opening tip is formed. A carton with an easily-openable inner bag, wherein a part is adhered and sandwiched between the side plate of the carton and the sticking piece, and is not attached to the carton except for the inner bag opening tip. 2. The easy opening property according to claim 1, wherein the inner bag opening tip provided at a side end of the inner bag is provided so as to protrude from a side end of the inner bag. Carton with inner bag. 3. The inner bag opening tip provided at the side end of the inner bag is provided with two cut lines at the side end of the inner bag. Carton with easy-open inner bag described in 1. 4. The inner bag opening tip provided at a side end of the inner bag is a protruding tip of an opening tape provided on a cutting line of the inner bag. 1
Carton with easy-open inner bag described in 1. 5. The inner bag according to claim 1, wherein the inner bag is provided with an easy tearing property so as to be orthogonal to a direction in which the inner bag is attached. Carton with openable inner bag.