JPH0650341Y2 - Paper box with diagonal opening structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is for packaging confectionery, tobacco, granular confectionery, tablets, etc.
Moreover, the present invention relates to a paper box provided with a mechanism for taking out the contents from the outlet when used.

[Prior Art] FIG. 8 to FIG. 10 are a perspective view showing an unsealed portion of a conventional paper box, a perspective view of a completed state and a developed view.

That is, the carton C is a so-called Frupptop carton in which the entire upper part of the carton is opened to the back side, and is often used as a hard package for cigarettes, confectionery, and the like.

That is, the front and rear side walls 80, 81 and the left and right side walls 82, 83 that form the outer box part
, The left side wall 84, the front side wall 85, and the right side wall 86, which are the inner box, are integrally connected.

Then, the left side wall 82, the front side wall 80, the right side wall 83, and the rear side wall 81 are bent in this order to form a tubular body that serves as an outer box part.
84, the front side wall 85, and the right side wall 86 are folded in this order inside the outer box part to form the inner box part, and the bottom and lid are assembled by folding each flap.

When opening, the left side wall 82, the front side wall 80, and the right side wall 83 of the outer box part
When the perforation 87 provided in the is broken, the hinge lid 88 is formed and the opening can be performed.

At that time, the hinge lid 88 is resealed by frictionally joining to the upper end of the corner portion 85a of the front side wall 85.

[Problems of the Prior Art] In the above conventional example, if used as a swing outlet for taking out granular materials such as tablets in order to open the entire upper part of the carton,
Often, more than the required amount was discharged, and it could not be used as a shaking container.

Further, since the hinge lid is closed mainly by only catching the corner angle of the front side wall, a force for opening the lid is generated by a slight shock, and it is difficult to completely close the lid.

The invention of the present application is provided with an outlet for forming an opening at a corner portion of a paper box, has a locking structure that does not open carelessly even after the lid is closed, and has an outlet for an oblique opening structure which is excellent in usability, and ,
The purpose is to provide a paper box that can be assembled with an automatic sucker.

[Means for Solving the Problems] The present invention is a rectangular box-shaped paper box having openings at the corners of the box, and the upper part of the paper box is formed in an inner-outer double structure.

A sewing machine hole is formed substantially above the front plate and connects the side plate and the top plate substantially in the middle, and a fold line functioning as a hinge is formed on the rear plate at a position corresponding to the sewing machine hole.

Further, in the invention of the present application, cutting lines are formed in the top plate and the side plate connected to one end of the sewing machine hole, and in addition, a cutting line connected to one end of the folding line is formed in the lower ends of the top plate and the adhesive margin piece.

On the other hand, the back plate is provided with an inner face plate forming an inner box portion provided with the above-mentioned glue margin piece, an inner plate and a flap, which are connected endlessly with the back plate.

In addition, the present invention has a structure in which a locking slit is provided at the front end corner of the inner box portion, and the front end of the lid is inserted and fixed therein.

[Advantage of the Invention] The paper box of the present invention cuts the front plate diagonally downward from the upper end by the perforation hole provided in the front plate, and the cutting force acts naturally from top to bottom. It has an easy opening property that prevents it from breaking during the process.

After that, when pushing the corner part cut to the back plate side, the relationship between the corner part and this side plate and top plate is cut off by the cutting line formed in the left side plate and the top plate, and the corner part is moved to the back plate. The engraved fold line functions as a hinge to form a lid that opens and closes around the hinge.

When the lid is closed, the front edge of the lid (front plate) is inserted into each of the locking slits provided at the boundary between the inner plate and the inner plate and between the inner plate and the flap, so that the box is securely closed and the shock is generated. Prevents accidental opening of the lid.

Further, the notch formed in the top plate prevents the flap from overhanging on the opening side when the lid is closed, thereby preventing the flap from being obstructed.

[Embodiment] FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a perspective view showing an opened state, and FIGS. 3 to 6 are explanatory views showing an assembled state together with a developed view. And FIG. 7 is a perspective view showing the upper opening during the assembly.

The paper box 1 of the present invention has a function of opening the corners of a paper box made of paperboard or the like at an angle, and the opening formed thereby can be used as a swing port to close it again.

That is, according to the present invention, as shown in FIG. 1, an opening / closing lid is formed at a corner portion of a rectangular tubular paper box, and an upper part of the paper box has a double structure of an inner box part and an outer box part. Is.

That is, it is folded by an automatic sack applicator or the like and finally assembled and used in a rectangular tube shape.
As shown in the figure, the front plate 2, the rear plate 3, the left side plate 4, the right side plate 5, the inner side plate 6 and the inner face plate 7 are connected endlessly along the longitudinal direction of the figure with the folding lines L _{1 to} L ₅ as boundaries. Is made.

Furthermore, the top plates 9 and 10 and the flaps 11 and 12 are provided above the front plate 2, the back plate 3 and the left and right side plates 4 and 5 via the folding line 8, and the lower side is also similarly provided via the folding line 13. The bottom plates 14 and 15 and the flaps 16 and 17 are formed.

In addition, at the upper end of the substantially trapezoidal inner surface plate 7, a flap 18 positioned further inside the top plate 9 is continuously provided with a fold line 8a formed on an extension of the fold line 8 as a boundary.

The inner surface plate 7 is provided with locking slits 7a and 7b at each boundary between the inner plate 6 and the flap 18.

In addition, a glue margin piece 19 is extended to the inner plate 6 side above the substantially central portion of the back plate 2, and the lower portion of the glue margin piece 19 has an inverted L shape.
It has a V-shaped cutting line 20 by which the glue strip 19 is defined.

Incidentally, the left side plate 4 is provided with a horizontal cutting line 21 at a substantially central portion thereof.

Then, the front plate 2 has perforated machine holes 22 which are inclined at an angle of about 45 degrees from the intersection of the cutting line 21 and the folding line L ₁ toward the approximate center of the top plate 9 at appropriate intervals.

Further, a vertical cutting line 23 is extended from the intersection with the sewing machine hole 22 on the top plate 9.

On the other hand, on the back plate 3, from the intersection of the polygonal line L ₁ and the cutting line 20.
A folding line 24 is engraved in the direction of 135 degrees, and this folding line 24 and the above-mentioned folding line 8
A vertical cut line 25 is formed on the top plate 10 above the intersection point of, and in addition, a cutout 26 having an appropriate width is formed on the top plate 10 at a position facing the cut line 23.

That is, the sewing machine hole 22 and the broken line 26 are in a symmetrical position with respect to the side plate 5.

Next, explaining the assembled state of the present invention based on FIG. 3 the following drawings, paper box 1 of the present application devised, Figure 3 the inner panel 6 side inner plate 7 and from the expanded state to the boundary of the fold line L ₅ of the Fold it in (see Figures 3-4).

Next, the back plate 3 is bent toward the front plate 2 and the side plate 5 with the fold line L ₃ as a boundary (see FIGS. 4 to 5).

Further, the side plate 4, the top plate 11 and the bottom plate 16 are bent to the right in the figure through the fold line L ₁ , and the side plate 4, the glue margin piece 18, and the inner plate 6 are attached (see FIGS. 5 to 6).

Furthermore, the flaps 16 and 17 and then the bottom plates 14 and 15 are folded at the folding line 13 as a boundary, and they are attached to each other to close the bottom portion, and the state shown in FIG. 7 is assembled.

That is, the assembly work is realized by complete mechanization.

After filling the contents, the flaps 11 and 12, then the flaps 18 and the top plate 10 are sequentially bent, and finally the top plate 9 is bent, and the top plates are bonded and closed.

Next, the state of use of the present invention will be described. In the paper box 1 assembled as described above, the front plate 2 is slanted downward along the sewing hole 22 from the opening end 2a of the front plate having the sewing hole 22. The strip-shaped body 22a is cut off while peeling it off.

Then, when the corner portion is pushed in the direction of arrow a, the cutting lines 21, 23
Thus, the corner portion is easily separated from the top plate 9 and the side plate 4 to form the lid 1A which can be opened and closed by using the folding line 26 as a hinge, and the relatively large opening P is used as a swing port as shown in the figure. It becomes possible to do.

After that, when the paper box 1 is resealed (reclosed), the lid 1A is rotated in the direction (front side) opposite to the arrow a, and the slits 7a and 7b are moved to the front edge of the lid 1A, that is, the separated front plate. 2 is inserted to fix the lid 1A.

As described above, in the paper box 1 according to the present invention, the corners of the front plate 2 are obliquely cut along the perforation holes 22 and the rear plate 3 is pushed as it is. The side plate 4 and the top plate 9 are automatically separated by 20, 25 and the corners are covered.
It is formed to function as 1A.

Furthermore, the notch 26 formed in the top plate 10 allows the lid to be closed.
When the 1A is closed, the flap 18 is configured so as to avoid the portion 18a protruding to the opening side so as not to obstruct the opening / closing.

[Effects of the Invention] When the lid of the paper box of the present invention is opened, the front plate is cut diagonally downward from the upper end by the sewing hole provided in the front plate. Prevents disconnection on the way.

Then, by simply pushing the cut corner portion to the back plate side, the corner portion cuts off the relationship between the side plate and the top plate by a cutting line formed in the left side plate and the top plate, and the corner portion is It is possible to easily configure the opening / closing lid with the folding line engraved on the back plate as the center of rotation.

Further, at the time of closing the lid, the front plate is inserted into each slit provided at the boundary between the inner plate and the inner plate and between the inner plate and the flap, so that the box is securely closed to prevent an unexpected opening. Demonstrate.

In addition, in forming the lid, since a cutting line having a cut length is used, the easy cutting property of the portion is realized.

Furthermore, the notch provided on the top plate prevents the flap from overhanging on the opening side when the lid is closed, and prevents the lid from being obstructed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a perspective view showing an opened state, FIGS. 3 to 6 are explanatory views showing an assembled state with a developed view, and FIG. 7 is an upper part. FIG. 8 is a perspective view showing an opening during assembly, FIG. 8 is a perspective view showing an opened state of a conventional example, FIG. 9 is a perspective view showing a completed state in the same as above, and FIG. 1 ... paper box, L _{1 to} L ₅ fold line, 2 front plate, 3 back plate, 4,5 side plate, 6 inner plate, 7 inner plate, 7a,
7b …… Locking slit, 8,13,21,26 …… Bent line, 9,10 ……
Top plate, 14,15 …… Bottom plate, 11,12,16,17,18 …… Flap, 1
9 …… Adhesive strip, 20,21,25 …… Cutting line, 22 …… Sewing hole, 24
…… Notch, 22a …… Strip, 2a …… Opening edge of front plate, 1A …… Corner, P …… Opening.

Claims (1)

[Scope of utility model registration request] 1. A box-shaped paper box having an opening formed at a corner portion of a box, the left side plate, the front plate, the right side plate constituting an outer box, the inner plate and a base constituting a rear view and an inner box. An endless shaped inner surface plate is connected endlessly, and a flap and a top plate that form a canopy portion are extended above the left and right side plates and the regular back plate, and a flap and a bottom plate that form a bottom portion are extended below. Further, the front plate is provided with a perforation hole for breaking the corner portion thereof, and a cut line for connecting to the perforation hole is formed in the left side plate and the top plate, while being assembled into a rectangular tubular shape. At this time, a crease line paired with the sewing machine hole is engraved on the back plate, and a cut line connecting to this crease line is formed in the inner plate and the top plate, and a notch that is connected to one end of the cut line is formed on the top plate. On the other hand, on the other hand, a slit is provided at the boundary between the inner plate and the flap of the inner plate. Paper box with a diagonal open structure, wherein the door.