JP3776503B2 - paper box - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a paper box that is formed from a single blank plate and has a lid that can be opened and closed via a hinge fold line. More specifically, the opening is enlarged so that the contents can be easily taken out.
[0002]
[Prior art]
Conventionally, this type of paper box is, for example, as shown in Japanese Utility Model Publication No. 7-6091 and Japanese Utility Model Publication No. 7-38127, a main body part and a lid part connected to the main body part via a hinge folding line. The lid portion can be opened and closed around a hinge fold line. However, in the paper box as described above, the hinge folding line is provided horizontally near the top plate, so the lid part rotates horizontally around the hinge folding line, so the opening is narrow and the contents are taken out very much. There is a problem that it is difficult. Moreover, in the case of a long and narrow content, it becomes more difficult to take out.
[0003]
[Problems to be solved by the invention]
The problem to be solved by the present invention is to provide a paper box from which contents can be easily taken out.
[0004]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a paper box having the following configuration.
[0005]
That is, in the present invention, a rear plate, a left side plate, a front plate, a right side plate, and an inner rear plate are successively arranged via a crease, and a lid plate is provided at the upper end of the front plate and the rear plate, and a bottom plate is provided at the lower end. A paper box formed by assembling a blank plate that is continuously provided, provided with diagonal folding lines inclined from the lid plate side toward the bottom plate side over the full width in the left-right direction of the front plate, and on the left and right side plates A cut line connecting the oblique folding line both ends and the intersection of the rear plate, the lid plate and the side plate is provided, and a strip-shaped cut portion formed of two perforations is formed on the upper portion of the rear plate, An insertion notch is formed in the upper part, and by tearing the strip-shaped cut portion, a part of the upper perforation protrudes downward from the two perforations, and the insertion flap is connected to the lid plate. And the lid plate is formed By opening and closing the serial front plate side about the oblique fold line, a carton, characterized in that the insertion flap and to insert into the insertion for incision. According to this paper box, the upper part of the paper box can be greatly opened toward the front plate with the oblique folding line as the center, so that the contents can be taken out very easily.
[0006]
In addition, a strip-shaped cut portion having two perforations is formed in the upper portion of the rear plate, and an insertion cut is formed in the upper portion of the inner rear plate, which is located above the two perforations. A perforation is a paper box characterized in that a part of the perforation protrudes downward to form an insertion flap. In the case of this paper box, when the strip-shaped cut portion is cut, the insertion flap is connected to the cover plate, and when the insertion flap is inserted into the insertion cut on the inner rear plate, reclosing is possible.
[0007]
In the paper box, the lower end of the insertion flap is inclined at substantially the same angle as the oblique folding line. In the case of this paper box, since the lower end of the insertion flap is inclined at substantially the same angle as the oblique folding line of the front plate, the insertion flap can be easily inserted into the insertion cut.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS.
1 is a development view of the paper box of the present invention, FIG. 2 is a perspective view of the paper box, and FIG. 3 is a perspective view of the paper box in the opened state. FIG. 4 is a perspective view of the lid open state according to another embodiment. In the figure, A is a paper box, B is a lid, C is a main body, 1 is a rear plate, 2 is a left side plate, 3 is a front plate, 4 is a right side plate, 5 is an inner rear plate, 6 is a lid plate, It is a bottom plate.
[0009]
The paper box of the present invention is formed from the blank plate shown in FIG. 1, and a rear plate 1, a left side plate 2, a front plate 3, a right side plate 4, and an inner rear plate 5 are sequentially arranged via creases. ing. Cover plates 61 and 62 are connected to the upper ends of the rear plate 1 and the front plate 3, and bottom plates 71 and 72 are connected to the lower ends of the rear plate 1 and the front plate 3. Tongue pieces 81, 82, 83, and 84 are connected to both ends of the left side plate 2 and the right side plate 4. Further, perforations 13 and 14 are perforated at the upper part of the rear plate 1 so as to form a band-shaped cut portion 12 leaving the insertion flap 11, and the insertion flap 11 is formed at the upper part of the inner rear plate 5. An inverted T-shaped insertion notch 51 to be inserted is formed. Further, an oblique folding line 31 is formed on the lid plate 62 side over the entire width in the left-right direction of the front plate 3, and the oblique folding line 31 is inclined downward from the vicinity of the lid plate 62 toward the bottom plate 72 side. . The left side plate 2 has a cut line 21 connecting the left end of the diagonal folding line 31 and the intersection of the front plate 1, the left side plate 2 and the lid plate 61, and the right side plate 4 has the right end of the diagonal folding line 31 and the inner rear plate 5. A cut line 41 connecting the tongue piece 83 and the intersection of the right side plate 4 is formed. In the state of FIG. 2 assembled from a blank plate, the cut lines 21 and 41 connect the left end of the diagonal folding line 31 and the intersection of the rear plate 1, the cover plate 6 and the left side plate 2. 41 connects the right end of the diagonal folding line 31 and the intersection of the rear plate 1, the cover plate 6 and the right side plate 4.
[0010]
Next, the process of assembling the paper box A from the blank plate of FIG. 1 will be described. The rear plate 1, the left side plate 2, the front plate 3, the right side plate 4, and the inner rear plate 5 are sequentially bent along the creases, and the rear plate 1 An adhesive is applied to the inner rear surface plate 5 except for the portion overlapping the belt-shaped cut portion 12, and the rear surface plate 1 is overlapped on the inner rear surface plate 5 to bond them together to form a cylinder. Further, after the tongue pieces 81, 82, 83, 84 are folded inward, an adhesive is applied to the lid plate 62 and the bottom plate 72, and the lid plate 61 is superimposed on the lid plate 62 and the bottom plate 71 is superimposed on the bottom plate 72. A paper box A shown in FIG.
[0011]
When the strip-shaped cut portion 12 formed on the upper portion of the rear plate 1 of the paper box A in FIG. 2 is torn, the strip-shaped cut portion 12 is opened to the perforations 13 and 14 for leaving the U-shaped insertion piece 11 at the upper end of the rear plate. When the lid B is pulled upward, the perforation 21 and the perforation 41 are cut off and separated into the lid B and the main body C. This state is the state shown in FIG. The lid B can be opened and closed on the side of the front plate 3 around the oblique folding line 31, and the opening becomes larger as the right side plate 4 is approached, making it easier to take out the contents. Further, when the lid B is tilted to the rear plate 1 side and the insertion flap 11 connected to the lid plate 61 is inserted into the insertion cut 51 of the inner rear plate 5, the lid B can be reclosed.
[0012]
FIG. 4 shows another embodiment of the present invention, except that the lower end of the insertion flap 11 is inclined downward to the right from the left side plate 2 side to the right side plate 4 side. This is the same as the first embodiment. Thus, if it forms so that the lower end of the insertion flap 11 may incline, when closing the cover part B, it will become easy to insert the insertion flap 11 in the notch 51 for insertion.
【The invention's effect】
The paper box of the present invention is provided with diagonal fold lines inclined from the cover plate side to the bottom plate side over the entire width of the front plate in the left-right direction, and both ends of the diagonal fold lines on the left and right side plates, the rear plate and the cover plate Since the cut line connecting the intersections of the left and right side plates is provided, the lid can be tilted obliquely toward the front plate, the opening becomes larger as the right side plate is approached, and the contents can be taken out very easily. In addition, a band-shaped cut portion formed of two perforations is formed on the upper portion of the rear plate, an insertion cut is formed on the upper portion of the inner rear plate, and the perforation located above the two perforations is In the case where the insertion flap is formed with a part protruding downward, the lid can be closed by inserting the insertion flap into the insertion cut of the inner rear plate. Furthermore, when the lower end of the insertion flap is inclined at substantially the same angle as the oblique folding line, the insertion flap can be easily inserted into the insertion cut.
[Brief description of the drawings]
FIG. 1 is a development view of a paper box of the present invention.
FIG. 2 is a perspective view of a paper box.
FIG. 3 is a perspective view of a paper box with a lid open.
FIG. 4 is a perspective view of another embodiment in an opened state.
[Explanation of symbols]
A Paper box B Lid C Main body 1 Rear plate 2 Left side plate 3 Front plate 4 Right side plate 5 Inner rear plate 6 Lid plate 7 Bottom plate

Claims (2)

A blank plate in which a rear plate, a left side plate, a front plate, a right side plate, and an inner rear plate are successively arranged via a crease, and a lid plate is provided at the upper end of the front plate and the rear plate, and a bottom plate is provided at the lower end. A diagonal fold line that is inclined from the lid plate side toward the bottom plate side over the entire width of the front plate in the left-right direction, and both ends of the diagonal fold line on the left and right side plates. A cut line connecting the intersections of the rear plate, the lid plate and the side plate is formed, a strip-shaped cut portion comprising two perforations is formed on the upper portion of the rear plate, and an insertion cut is formed on the upper portion of the inner rear plate. A part of the perforation located above of the two perforations protrudes downward by tearing the strip-shaped cut portion, and an insertion flap is connected to the lid plate. In addition, the lid plate is inclined to the front plate side. By opening and closing around a fold line, paper box, characterized in that the insertion flap and to insert into the insertion for incision. The paper box according to claim 1, wherein a lower end of the insertion flap is inclined at substantially the same angle as the oblique folding line .

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