JP3097461B2 - Carton with opening to open and close - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carton for accommodating granular confectionery and the like, and more particularly to a carton having a spout.

[0002]

2. Description of the Related Art Conventionally, in a container having a spout, as shown in FIG. 5 , a carton a is formed in a block shape and a rotatable lid c is provided on a part of a top plate b to open and close. FIG. 6 shows a configuration in which a possible outlet d is formed.
As shown in the figure, a swing-out device f is provided at the upper part of the container body e, and the swing-out device f has a closure h urged upward in a case g. The through hole of the case g and the through hole of the closing device h coincided with each other, and the outlet d was opened.

[0003]

However, in the structure in which the opening is opened and closed by the rotation of the lid piece,
When opening the outlet, it is necessary to lift the lid piece with a fingertip or the like, so that there is a disadvantage that the periphery of the outlet is easily soiled, and that the outlet cannot be closed unless the raised lid piece is pushed down. Further, in the case of a container having a dispensing device for opening a dispensing opening by pushing down a closure, there is a problem that the dispensing device itself has a complicated structure, a large number of parts, and a high production cost as a container. In view of the above circumstances, it is an object of the present invention to provide a carton made of paper material that can be opened and closed without touching the spout, thereby obtaining a carton that can be easily spouted at low cost. The purpose is to:

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a body having a substantially spindle shape in cross section comprising a front plate and a back plate, wherein the lower opening of the body is provided with the front plate. A closed bottom carton by folding the bottom plate and the bottom plate of the back plate, and closing the upper opening of the trunk by folding the cover plate of the front plate and the cover plate of the back plate. It has a vertical folding ruled line from the arc-shaped notch provided at the center of the upper edge to the base end of the lid plate, and when the upper opening of the body is pressed in the width direction of the front plate, the arc-shaped notch separates and the arc-shaped notch is separated. The opening that is opposite the notch is provided so that it can be opened and closed .
And each of the lid plates crosses an opposite arc-shaped notch.
It is an object of the present invention to provide a carton having a spout that opens and closes, wherein the carton is characterized by being locked to each other .

[0005]

In the present invention, by pushing the upper opening of the trunk in the width direction of the front plate, the front plate and the rear plate are greatly curved, so that the center of the front plate and the center of the rear plate at the upper opening of the trunk are moved between the front plate and the rear plate. Is opened, and each of the cover plates is bent inward with the bending of the front plate and the back plate, and separates, and the gap between the arcuate cutouts provided on each of the cover plates is separated, and the spout is opened. Become open. Also, by releasing the force that pushed the upper opening of the torso in the width direction of the front plate, the front plate and the back plate returned to their original shapes, and each of the lid plates that had been folded inward toward the torso Approaching each other while waking up, the space between the arc-shaped notches becomes narrower, and the outlet opens.

[0006]

It will be described in detail with reference to EXAMPLES The present invention will now from Figure 1 to the embodiment shown in FIG. The carton 1 has a body 4 having a substantially spindle-shaped cross section composed of a front plate 2 and a back plate 3, and the lower opening of the body has a substantially rectangular shape at the lower edge of the front plate 2. A diamond-shaped bottom plate 5 continuously connected via a wire and a diamond-shaped bottom plate 6 continuously connected to a lower end edge of the rear plate 3 via a substantially folding line are closed. In addition, the upper opening of the body of the carton 1 is also connected to the upper end edge of the front plate 2 through a substantially folded line along the lid plate 7 and the upper end edge of the back plate 3 through the substantially folded line. It is closed by folding over the lid plate 8 provided continuously.

Each of the cover plates 7 and 8 has a rhombic shape like the bottom plates 5 and 6, and is provided with an arc-shaped notch 9 at the center of the upper edge of the cover plate. A folding ruled line 10 is provided from the center of the arc-shaped notch 9 to the base end of the lid plate, that is, from the fall of the folding line. As described above, since the cover plates 7 and 8 are folded over and the arc-shaped notch 9 is provided at the center of the upper end edge of the cover plates 7 and 8, the arc-shaped notch 9 is arranged to face the end plate. The arcuate cutouts 9 cross each other so as to abut each other, and a discharge port 11 is formed from the arcuate cutouts 9 crossing each other.

As described above, the outlet 11 is formed by the arc-shaped notches 9 facing each other, and when the upper opening of the trunk is pressed in the width direction of the front plate (or the back plate), the outlet 11 is formed. Will open. More specifically, when the upper opening of the trunk is pushed in the width direction of the front panel, the front panel 2 and the rear panel 3 are greatly curved, and the center between the front panel and the rear panel at the upper opening of the trunk is opened. With the bending of the front plate 2 and the back plate 3, the cover plates 7 and 8 are separated from each other while being bent inwardly of the body, and the facing arc-shaped cutouts 9 are separated from each other so that the opening 11 is opened. become. In this state, if the carton 1 is turned upside down and shaken, the granular confectionery, which is the contents, will spill out from the spouting port 11, and if the opening is further widened, more contents can be spouted out. Become. As described above, since the lid plates 7 and 8 have the vertical folding ruled lines 10, stress tends to concentrate on the vertical folding ruled lines 10 when the lid plates 7 and 8 are folded, and the lid plates 7 and 8 are easily formed. , 8 are folded inward from the vertical folding ruled line 10 in a state of being folded inward, and the opening 11 is easily opened. Also,
By releasing the force pushing the upper opening of the torso in the width direction of the front plate, the front plate 2 and the back plate 3 return to their original shapes, and the cover plate 7 which has been folded inwardly of the torso , 8 approach each other while being raised, the space between the arc-shaped notches 9 is narrowed, and the outlet 11 is closed. As described above, the spout opening 11 is provided so as to be opened and closed by inputting and releasing the pressing force in the plate width direction with respect to the upper opening of the body. Then, when the outlet 11 is closed, as shown in FIG.
As shown in the figure, the arc-shaped notches 9
The lid 7 is placed on top of the lid 8
And a portion where the lid 8 overlaps the upper surface of the lid 7 is formed.
When opening and closing, one of the lid plates falls down alone.
And prevent it .

The arc-shaped notches 9 forming the outlet 11 are in contact with each other at a central portion 9a, and the central portion 9a is, as shown in FIG. Are set so as to be closer to the upper end (opposite side of the folding line) from the left and right sides, so that the right and left upper edges 7a and 8a of the lid plates 7 and 8 do not abut against the inner surfaces of the front plate 2 and the rear plate 3, respectively. Are provided so as to abut each other while generating a certain biasing state only in the central portion 9a. Since the arc-shaped cutouts 9 are abutted against each other in a certain urging state, the opening 11 is prevented from being opened carelessly with a force that sandwiches the upper opening of the body in the plate width direction. Oh Ru.

[0010]

As described above, the carton of the present invention has a body having a substantially spindle shape in cross section composed of a front plate and a back plate, and the lower opening of the body is formed between the bottom plate and the back plate of the front plate. A carton closed by folding the bottom plate and closing the front plate and the back plate of the front plate by closing the upper opening of the trunk, and each of the cover plates is provided at the center of the upper edge. With a vertical folding ruled line from the arc-shaped notch to the base end of the lid plate,
When the upper opening of the torso is pressed in the width direction of the front plate, the arc-shaped notches are separated from each other, and a spout opening formed by the arc-shaped notches is provided so as to be openable and closable ,
Each interlocks the opposite arc-shaped notches and locks each other.
It is characterized by having.

As described above, the upper opening of the body of the front plate and the back plate is covered by the pair of lid plates, and the opening which can be opened and closed by the arc-shaped notch of the lid plate is provided. A carton with a spout that can be made at cost. And, by a simple operation of pressing the upper opening of the torso in the width direction of the board, the outlet can be opened without touching the outlet, so that the contents can be swept out sanitarily and easily. The degree of opening of the outlet can be easily changed by adjusting the pressure in the direction, and the amount of the outlet can be easily adjusted. Further, since the arc-shaped notches are crossed and locked, it is possible to prevent the lid plates from being shifted from each other or one of the lid plates from falling down alone. Things.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing one embodiment of a carton according to the present invention.

FIG. 2 is an explanatory view showing a bottom plate portion in one embodiment.

FIG. 3 is an explanatory diagram showing an expanded state of the embodiment.

FIG. 4 is an explanatory diagram showing a state in which the outlet is opened.

FIG. 5 is an explanatory diagram showing a conventional example .

FIG. 6 is an explanatory diagram showing a conventional example .

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Carton 2 ... Front board 3 ... Back board 4 ... Body 7,8 ... Cover board 9 ... Arc cutout 10 ... Vertical folding ruled line 11 ... Spout opening

Claims (1)

(57) [Claims] 1. A carton having a body portion having a substantially spindle shape in cross section composed of a front plate and a back plate, wherein the lower opening of the body portion is closed by folding a bottom plate of the front plate and a bottom plate of the back plate. Then, the cover plate of the front plate and the cover plate of the back plate are folded to close the upper opening of the trunk, and each of the cover plates is vertically folded from the arc-shaped notch provided at the center of the upper edge to the base end of the cover plate. When the upper opening of the body is pressed in the width direction of the front plate, a gap between the arc-shaped notches is separated, and a spout opening formed by the arc-shaped notches is provided so as to be openable and closable , The lid
Each plate crosses opposite arc-shaped notches and
Carton having square one opening to open and close, characterized in that it engaged.