JP2001114260A - Carton for storing cut sheets - Google Patents

Abstract

(57) [Problem] To provide a carton for storing a cut sheet that can be easily opened without lifting or rotating a box when opening. SOLUTION: An outer flap is provided with one or two cuts in a vertical direction in an opening, one of the cuts is extended to an upper corner of an opposite surface of the opening, and the other of the cut is a lower corner of the opening. The carton could be opened in a shape resembling his wife by forming hinges on both sides connecting these two extended points.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cut sheet storing carton, and more particularly to a cut sheet storing carton that can be easily opened and a cart sheet can be easily taken out.

[0002]

2. Description of the Related Art Cut sheets mainly used in office equipment, such as printing paper, PPC paper, thermal paper, and photosensitive paper, are:
100, 200, 500, etc., are wrapped in kraft paper or other wrapping paper, and a plurality of the wrappings are packed in a cardboard or paperboard carton for shipment.

[0003] To remove the contents (cut sheet) from a conventional carton, the glued flap is peeled off or a cart tape provided around the carton is peeled off. However, in order to take out the cut sheet from the former open-faced carton, a finger or nail must be inserted into the gap between the outer flap and the inner flap, and the flap must be peeled off with a considerable force, so that the finger or nail is damaged. Sometimes. On the other hand, the latter cut tape opening type carton is generally provided so that the cart tape returns to the upper surface through the right side surface, the bottom surface, and the left side surface from the upper surface, so that the carton is opened. To do so, it is necessary to peel off the cut tape by rotating or moving the carton. Therefore, opening a heavier-sized carton requires considerable effort.

To solve such a defect, Japanese Patent Laid-Open Publication No. Hei 8-217061 discloses a perforation, a zipper and the like formed on a selected face of a rectangular parallelepiped over the entire length along a pair of opposing sides of the face. A pair of opening (opening) surface cuts, and a selected trigger surface of the rectangular parallelepiped connected to the pair of cuts and corresponding to the entire length or another part of another side of the selected surface. Having a cut for trigger such as a formed perforation, zipper, etc., after cutting and raising one point of the cut for trigger, the cut for the pair of opening surfaces is cut from the cut for trigger to cut the selected one side. A rectangular parallelepiped cut sheet storage carton made of corrugated cardboard or paperboard, which is configured to be an opening surface for sheet removal, has been proposed. However, if the cut sheet still remains after opening the cut sheet storage carton, a stable sealed state cannot be obtained.

[0005]

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a cut-tape unsealing type carton which can be easily unsealed and has a stable sealed state even after unsealing.

[0006]

According to the present invention, first, in a rectangular parallelepiped cut sheet storage carton made of corrugated cardboard or paperboard, an outer flap on the front face is provided with a single cut in the longitudinal direction, and the cut is formed by the cut. A cut is formed on the upper wall from the upper end to an intersection (an upper corner on the back side) of each of the ridges of the upper wall and the side wall, the inner flap on the rear surface, and the ridge of the side wall, and a cut formed on the outer flap on the front surface. A cut extending from a lower end to an intersection (a lower corner on the entire surface) between the front flap and the ridge line of the bottom wall and the ridge line of the side wall and the bottom wall is provided at the ridge line of the outer flap and the bottom wall. Is provided on the side wall, so that the carton can be opened outside the left and right bevels.

Second, in a rectangular parallelepiped cut sheet storing carton made of cardboard or paperboard, an outer flap on the front face is provided with a single cut in the longitudinal direction, and points on the ridge line of the upper wall and the side wall are respectively provided from the upper end of the cut. A cut extending to P and P 'is provided on the upper wall, and an intersection of the front outer flap and the ridge line of the bottom surface, and the ridge line of the side wall and the bottom wall from the lower end of the cut formed in the front outer flap (the entire surface) Cuts extending to the outer flap and the ridge line of the bottom wall, and a hinge connecting the end of the cut and the point P or P 'is provided on the side wall, so that the carton can be moved outward from the left and right bevels. The present invention provides a carton for storing cut sheets, characterized in that the carton can be opened.

According to the present invention, thirdly, in a rectangular cut sheet storing carton made of corrugated cardboard or paperboard, two cuts are formed in the outer flap on the front surface in the vertical direction, and the upper wall is formed from the upper end of each of the cuts. The upper wall is provided with a cut extending to the intersection (upper corner on the back side) between the ridge line of the side wall and the ridge line of the inner flap and the side wall of the rear surface. A cut is formed in the outer flap and the ridgeline of the bottom wall to extend to the intersection (lower corner on the front side) between the ridgeline of the outer flap and the bottom wall and the ridgeline of the side wall and the bottom wall, and a hinge connecting the two intersections is provided. By providing the carton in the side wall, the carton can be opened to the outside of the left and right bevels, thereby providing a cut sheet storing carton.

Fourth, in a rectangular cut sheet storing carton made of cardboard or paperboard, two slits are provided in the outer flap on the front surface in the vertical direction, and points on the ridge line of the upper wall and the side wall are respectively formed from the upper ends of the cuts. (A point other than a corner on the ridge line of the upper wall and the side wall) A cut extending to P and P 'is provided in the upper wall, and a lower end of the cut formed in the outer flap of the front face is formed on each of the outer flap and the bottom face of the front face. Ridgeline,
A cut is formed at the intersection between the side wall and the ridge line of the bottom wall (a lower corner on the front side) at the outer flap and the ridge line of the bottom wall, and a hinge connecting the end of the cut and a point P or P 'is formed on the side wall. , Whereby the carton can be opened to the outside of the left and right bevels.

Further, according to the present invention, fifthly, the upper outer flap and the lower outer flap on the front face are separated from each other so that a fingertip can be inserted therein. A carton for storing the described cut sheet is provided.

Sixthly, the outer flap on the front face is provided with cuts in the outer flap narrowed by two longitudinal slits and cuts in the upper wall, the lower wall and the ridge, and the flap pieces formed in a strip shape when opened are removed. The third to the above, characterized by being able to
A carton for storing cut sheets according to any one of the fifth to fifth aspects is provided.

In the carton of the present invention, the hinge is provided on the side surface at an angle so that the opening can be easily opened and closed, and the cut sheet inside can be easily taken out.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in more detail. FIG. 9 is a developed view of a typical carton (FIG. 3) of the present invention. In FIG. 3, a top wall 1, a side wall 2, a bottom wall 3, a side wall 4, and a pasting margin 5 are connected by broken lines 6, 7, 8, 9 forming a ridge line. The outer flaps 101 and 102 are connected to the upper wall 1 by broken lines 11 and 12, the inner flaps 201 and 202 are connected to the side wall 2 by bent lines 21 and 22, and the outer flaps 201 and 202 are connected to the bottom wall 3 by broken lines 31 and 32. Flaps 301 and 302 are continuously provided, and
The inner flaps 401 and 402 are connected by 1 and 42. Opening cuts 13 and 13 ′ such as two perforations and zippers are provided at substantially the center of the outer flap 101, and the break lines 7 and 1, which are continuous with these cuts 13 and 13 ′.
A break 14 between the intersection of 2 and the intersection of polygonal lines 6 and 12
14 ′ is provided on the upper wall 1. Similarly, two cuts 33, 33 'are provided substantially at the center of the outer flap 301, and the broken lines 31 are continuous with these cuts 33, 33'.
Are provided with cuts 34, 34 'reaching the broken lines 21, 41.

The cuts 13 and 13 'provided on the outer flap 101 and the cuts 33 and 33' provided on the outer flap 301 correspond to the cuts 13 and 33 and the cuts 13 'and 33 when the carton is assembled. 'Should be arranged in a straight line. Also, break 3
4, 34 'can also be provided in the vicinity of the broken line 31 by the outer flap 301.

Further, when the carton is assembled, a hinge 23 connecting the end of the cut 14 provided in the upper wall 1 and the end of the cut 34 is provided on the side wall 2. Similarly,
The end of the cut 14 'provided on the upper wall 1 and the cut 34'
Hinges 43 are provided on the side wall 4.

In the example shown in FIG. 9, the length (m) of the outer flaps 101, 301 is the width (a) of the side walls 2, 4.
The outer flaps 101, 301 when assembled are:
Become a state of association. Also, inner flaps 201, 401
Is equal to or shorter than half the width (b) of the top wall 1 or the bottom wall 3 or the outer flaps 101, 301, and if they are equal, the inner flaps 201, 40
1 is in an abutting state when assembled. The length (n) of these inner flaps 201, 401 is
Equal to the length (y) from 3 'to each end,
It may be shorter. Outer flap 10
1 and 301 are glued to the inner flaps 201 and 401, respectively, but it is not necessary to glue the entire surface, and at least where there is a cut, gluing is not performed.

The developed view shown in FIG. 9 is folded inward or outward, and the margin 5 is preferably glued to the outside of the side wall 4, so that the outer flaps 101, 301 and the inner flaps 201, 4
By gluing No. 01 and gluing the outer flaps 102 and 302 and the inner flaps 202 and 402, a carton similar to FIG. 3 is made. It should be noted that a staple or the like may be used instead of the gluing. To open the carton, the cuts 14, 14 'are cut from the ends of the cuts 13, 13' of the outer flap 101. In this case, break 13
When the zipper portion is formed by the zipper portion 13 and the zipper portion 13 ', the cuts 14 and 14' are cut off while cutting the zipper portion. Similarly, cuts 34 and 34 'are cut from cuts 33 and 33' of the outer flap 301. Then, hinge 2
Folding outward at the bevels at points 3 and 43 provides a stable opening, and returning it provides a stable closure.

In the carton shown in FIG. 4, the ends of the cuts 14 and 14 'formed in the upper wall 1 are broken lines 7 and 6 forming ridges.
Of the point P, P '
And a hinge 2 connecting the end of the cut 34, 34 '.
3, 43 are formed.

The carton of FIG. 5 has outer flaps 101 and 30
This is an example in which the interval (s) with the distance 1 is large, preferably 10 cm or more. When the carton of the present invention is to be opened, it is necessary to cut a cut such as an opening perforation or a zipper provided on the outer flaps 101 and 301. Generally, the outer flaps 101 and 301 are in abutting state, but by increasing the interval (s), the fingertip easily enters between the outer flap and the inner flap, and the carton can be easily opened.

The carton of FIG. 6 has cuts 13 and 13'1
4, 14 ', 33, 33', 34, 34 'and the like are examples in which the non-punched portion is made smaller and the punched portion is made larger to facilitate tearing. This has the advantage that less force needs to be applied when opening. Preferably, the length of the punched portion is larger than the length of the non-punched portion.

The carton of FIG.
Cuts 13, 33 and / or 13 ', 3 provided in 1
After opening the 3 ′, for example, in the shape of a crank, when closing it, the crank portion formed on the outer flaps 101, 301 is pressed against the inside of the inner flaps 201, 401 or simply between the outer flaps 101, 301. In order to engage with each other.

The carton of FIG.
1, 301, a polygonal line 11, between two longitudinal cuts 13 and 13 'or between cuts 33 and 33', respectively.
In this example, cuts 37 and 38 are formed at a position 31. When this carton is opened, a strip-like piece remains at two vertical cuts and broken lines 11 and 31. This strip-shaped piece can be removed by cutting the cuts after opening the cuts by putting cuts 37 and 38 in the folds 11 and 31 located between these two cuts. FIG.
2 shows a state where the carton of FIG. 8 is opened.

The description so far is based on the outer flaps 101, 30.
1 is an example of a carton of a type provided with two cuts, as shown in FIGS. 1 and 2, the outer flap 101,
The cut provided in 301 may be a single cut. Cut 1 provided in outer flaps 101 and 301
When 3 ″ and 33 ″ are straight lines, the strip-shaped piece at the time of the opening is not formed. FIG. 11 shows a state where the carton of FIG. 1 is opened.

As described above, since the opening of the carton of the present invention is formed in a manner similar to that of a wife, the carton can be properly closed after opening. In addition, if a cut tape is provided along the cut, the opening becomes easier.

[0025]

According to the first and third aspects of the present invention, a cut portion formed by a perforation or the like is mainly formed on the upper surface, a lower surface portion is cut with a minimum distance, and the hinge has a bevel angle on the side surface. Therefore, opening of the opening is easy. According to the invention of claims 2 and 4, since the hinge is provided from one point on the upper surface ridge line to the lower corner of the front surface, opening is easy, and a sufficient space above the opening is obtained. The cut sheet inside can be easily taken out. According to the fifth aspect of the present invention, by expanding the space between the outer flaps,
The cuts are easily torn, and the fingertips are not damaged. According to the sixth aspect of the present invention, the front strip formed by opening is cut off, so that the cut sheet can be more easily taken out and the appearance is not deteriorated.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an example of a carton of the present invention.

FIG. 2 is a schematic perspective view of another example of the carton of the present invention.

FIG. 3 is a schematic perspective view of another example of the carton of the present invention.

FIG. 4 is a schematic perspective view of another example of the carton of the present invention.

FIG. 5 is a schematic perspective view of another example of the carton of the present invention.

FIG. 6 is a schematic perspective view of another example of the carton of the present invention.

FIG. 7 is a schematic view of an example of the carton of the present invention, showing a state in which a cut of a flap is a crank.

FIG. 8 is a schematic perspective view of another example of the carton of the present invention.

FIG. 9 is a development view of the carton shown in FIG. 3 of the present invention.

FIG. 10 is a view showing an example of a single cut provided from the outer flap to the upper wall.

11 is a view showing a state where the carton of FIG. 1 is opened.

FIG. 12 is a view showing a state where the carton in FIG. 8 is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top wall 2 Side wall 3 Bottom wall 4 Side wall 5 Paste 6 Broken line 7 Broken line 8 Broken line 9 Broken line 11 Broken line 12 Broken line 13 Broken line 13 'Broken line 13 "Broken line Broken line Broken line 32 Broken line Broken line 31 Broken line Broken line 33 'cut 33 "cut 34 cut 34' cut 41 broken line 42 broken line 43 hinge 101 outer flap 102 outer flap 201 inner flap 202 inner flap 301 outer flap 302 outer flap 401 inner flap 402 inner flap

Claims (6)

[Claims] 1. A rectangular parallelepiped cut sheet storing carton made of corrugated cardboard or paperboard, wherein a cut is formed in a longitudinal direction in an outer flap on a front surface, and a ridge line of an upper wall and a side wall from an upper end of the cut, and a rear surface. The upper wall is provided with a cut extending to the intersection of the inner flap and the ridge line of the side wall, and the ridge line of the front outer flap and the bottom wall, respectively, from the lower end of the cut formed in the front outer flap, and the side wall and the bottom wall. A cut extending to the intersection with the ridge line is provided on the ridge line of the outer flap and the bottom wall, and a hinge connecting the two intersections is provided on the side wall, so that the carton can be opened in the right and left oblique outer direction. Characterized carton for storing cut sheets. 2. A rectangular parallelepiped cut sheet storage carton made of corrugated cardboard or paperboard, wherein a cut is formed in a vertical direction on an outer flap on a front surface, and points on the ridge line of an upper wall and a side wall are respectively provided from the upper end of the cut. A cut extending to P and P ′ is provided on the upper wall, and extends from the lower end of the cut formed in the front outer flap to the intersection of the front outer flap, the bottom ridge, and the side wall and the bottom wall ridge. By providing a cut on the ridge line between the outer flap and the bottom wall, and further providing a hinge on the side wall to connect the end of the cut with a point P or P ', the carton can be opened to the outside of the left and right bevels. A carton for storing cut sheets. 3. A rectangular parallelepiped cut sheet storage carton made of corrugated cardboard or paperboard, wherein two cuts are formed in a vertical direction on an outer flap on a front surface, and a ridge line of an upper wall and a side wall from an upper end of the cut, and a rear surface. The upper wall is provided with a cut extending to the intersection of the inner flap and the ridge line of the side wall, and the ridge line of the front outer flap and the bottom wall, respectively, from the lower end of the cut formed in the front outer flap, and the side wall and the bottom wall. A cut extending to the intersection with the ridge line is provided on the ridge line of the outer flap and the bottom wall, and a hinge connecting the two intersections is provided on the side wall, so that the carton can be opened in the right and left oblique outer direction. Characterized carton for storing cut sheets. 4. A rectangular parallelepiped cut sheet storage carton made of corrugated cardboard or paperboard, wherein two cuts are provided in the outer flap on the front surface in the longitudinal direction, and points on the ridge line of the upper wall and the side wall from the upper end of the cuts. A cut extending to P and P ′ is provided on the upper wall, and extends from the lower end of the cut formed in the front outer flap to the intersection of the front outer flap, the bottom ridge, and the side wall and the bottom wall ridge. By providing a cut on the ridge line between the outer flap and the bottom wall, and further providing a hinge on the side wall to connect the end of the cut with a point P or P ', the carton can be opened to the outside of the left and right bevels. A carton for storing cut sheets. 5. The cut sheet storing carton according to claim 1, wherein the upper outer flap and the lower outer flap on the front face are separated from each other to such an extent that a fingertip can enter. 6. A part of the outer flap narrowed by two slits of the outer flap on the front surface and a cut in the upper wall, the lower wall and the ridge line, so that a flap piece formed in a strip shape when opened can be removed. 6. A carton for storing cut sheets according to any one of claims 3 to 5, wherein: