JPH1035734A - Packing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a packing apparatus composed of one rectangular plate material wherein simply engageable end part cushion members are integrally formed without using the end part cushion members of a separate part. SOLUTION: A packing apparatus is equipped with a square cylindrical part 4 wherein a bottom surface part 6 formed by bending a packing plate material, both side surface parts 7 and the top surface flap part 8 continuously formed to both side surface parts are superposed one upon another to wind an article to be packed in the longitudinal direction thereof and the end part flap parts 10 formed to both ends of the top flap part 8 through notches 9. An engaging recessed part 12 is formed to one side end surface of opposed end part flap parts and an engaging protruding part 11 engaged with the recessed part 12 is formed to the other side end part and the end flaps are inwardly bent to engage the engaging recessed and protruding parts to form inverted V-shaped end cushion members 25 to both ends of the square cylindrical member 4 and cushion spaces 26 are provided to both ends of the article to be packed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging apparatus in which a cushioning body is integrally formed of a single corrugated cardboard board or the like to package an object to be packaged and, after unpacking, to form a single board and to carry out post-processing. The present invention relates to a simplification packaging device.

[0002]

2. Description of the Related Art As shown in FIGS. 6 and 7, a conventional packaging apparatus has a rectangular winding plate portion 5 made of a packaging material such as a single corrugated board material wound around a package 2. Rectangular end buffer 1 for protecting both ends of the package 2
5 and 15.

[0003] The winding plate portion 5 has a bottom portion 6, both side portions 7,
7. Both top surface flap portions 8, 8 are formed via folding lines 16 formed along the longitudinal direction. Further, the end buffer 15 is made of a rectangular packaging plate such as a single corrugated cardboard, and forms a folding line on the packaging plate, and is bent along the folding line to form a rectangular tube. Has formed.

[0004] A packaging procedure of the packaging apparatus will be described.

[0005] As shown in FIG. 6, after the package 2 is placed on the bottom surface 6 of the winding plate 5, end cushions 15, 15 are placed on both ends of the package 2, respectively.

[0006] Then, the package 2 is wrapped by the side surface portions 7 and 7 and the top surface flap portions 8 and 8 respectively, and the top surface flap portions 8 and 8 are overlapped to form the rectangular tubular body 4.
The end cushions 15 are pressed against the ends of the package 2, and the outer surfaces of the end cushions 15 are adjusted so as to be substantially flush with the end faces of the rectangular tube 4.

[0007] Finally, as shown in FIG. 5, the top surface flap portion 8 and the side surface portion 7 are sealed at a plurality of places with a tape 18. Further, the outer surface of the end buffer 15 and both side portions 7, 7 are sealed with a tape 19.

[0008]

As described above, the packaging device of the prior art is composed of a winding plate portion 5 for winding the peripheral surface of the package 2 and an end buffer for protecting both ends of the package 2. 15,
And 15 parts. Further, when the package 2 is packaged by the packaging device, the end buffer 15 comes off from the rectangular cylindrical body 4 because it is not fixed to the winding plate 5. The end buffer 15 must be fixed to the rectangular tube 4 with a tape 19 or the like in order to prevent the rectangular tube 4 from coming off.

For this reason, there has been a problem that the cost of parts is increased and the assembling is troublesome. Further, there is a problem that it takes time to unpack the packaging device and to perform post-processing after unpacking.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and is a single rectangular plate member integrally formed with an easily engageable end buffer without using a separate end buffer. It is an object to provide a packaging device comprising:

[0011]

In order to achieve the above-mentioned object, a packaging apparatus according to the present invention is a packaging apparatus for folding a single packaging plate material into a substantially rectangular tube shape to package an object to be packaged. The packaging device includes a rectangular cylindrical body formed by folding the packaging plate material and winding the object to be packaged by superimposing a bottom surface portion, both side surface portions, and a top surface flap portion continuously formed on these side surface portions. End flaps formed at both ends of the top flap portion of the cylindrical body through cuts, respectively, and an engagement recess is formed on one end surface of the opposed end flap portion, and the other end is formed on the other end surface. A substantially V-shape is formed by forming an engagement projection engaging with the engagement recess, bending each end flap of the rectangular tubular body inward, and engaging the engagement recess with the engagement projection. End cushions are formed at both ends of the rectangular tubular body, and the In which it characterized in that a respective buffer space at both ends of the object.

In the above configuration, as shown in FIG.
One rectangular packaging plate is bent along each of the folding lines to form a rectangular tubular body that is wound in the longitudinal direction of the article to be packaged. Further, the end flaps formed at both ends of the top flap portion of the rectangular tubular body are each bent inward, and the engagement flaps formed on one end flap are formed on the other end flap. Approximately V
Character-shaped end cushions are provided at both ends of the rectangular cylindrical body, respectively, and both ends of the package are held by these substantially V-shaped end cushions. For this reason, it has become possible to provide a packaging device in which an end buffer that can be easily engaged is integrally formed without using a separate end buffer.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same components as those of the prior art will be described with the same reference numerals.

FIG. 2 is an exploded view of a winding plate portion made of one rectangular plate material. The winding plate portion 5 is a single packaging plate material made of, for example, a corrugated cardboard, and is folded in parallel along the longitudinal direction. A plurality of streaks 16 are formed, and the bottom surface portion 6, the side surface portions 7, 7, and the top surface flap portions 8, 8 are formed via the folding lines 16.

Cuts 9 are formed at both ends in the longitudinal direction of the top flap 8, and end flaps 10 are formed outside these cuts 9, 9, respectively.

At the center of the side surface of the end flaps 10, 10, engaging projections 11, 11 are formed so as to project outward. Further, engaging concave portions 12, 12 for press-fitting the engaging convex portions 11, 11 are formed at the center of the side surfaces of the other opposing end flap portions 10, 10, respectively.

FIG. 1 or FIG. 4 shows that the bottom surface portion 6, the side surface portions 7, 7 and the top surface flap portions 8, 8 are bent along the crease line 16 and the top surface flap portions 8, 8 are overlapped. Thus, the rectangular tubular body 4 having a rectangular tubular shape is formed.

The packaging procedure of the packaging device will be described.

As shown in FIG. 3, the package 2 is placed at the center of the bottom portion 6 of the winding plate portion 5, and both side portions 7, 7 are bent upward along folding lines 16, 16, respectively. It is brought into contact with the side of the object 2.

Next, end flaps 10, 10 formed at both ends of the top flaps 8, 8 through cuts 9, 9, respectively, are bent inward along folding lines 16, 16, respectively. Then, the inner end face of the end flap portion 10 is bent in contact with or close to the end face of the package 2. Then, the engaging projection 11 formed on one end flap 10 is press-fitted into the engagement recess 12 formed on the other end flap 10, and a substantially V-shaped end buffer shown in FIG. The bodies 25, 25 are respectively formed.

Then, after one top flap portion 8 is brought into contact with the top surface of the package 2, the other top flap portion 8 is placed.
Is superimposed on the upper surface of the one top flap portion 8 to form the rectangular tubular body 4. Finally, the opening end of the other top surface flap portion 8 and the side surface portion 7 are stuck and fixed at a plurality of places with a tape 18. At both ends of the package 2, buffer spaces 26, 26 are formed as shown in FIG.

It is to be noted that the package 2 is placed on both sides 7,
7 and one of the top flap portions 8, and the other top flap portion 8 is overlapped with the one top flap portion 8 to form the rectangular tubular body 4. And the side portion 7 and fixed. After that, the end flaps 10 are bent inward, respectively, and the engagement projections 11 formed on one end flap 10 are pressed into the engagement recesses 12 formed on the other end flap 10, and the corners are pressed. A substantially V-shaped end buffer 25, 25 is provided at each end of the cylindrical body 4.
May be formed.

As shown in FIG. 3, the package 2 and the winding plate 5 have a relationship of H = h, B = b, and D = d. E shown in FIG. 2 indicates the direction of the center of the cardboard material.

Next, the operation of the above embodiment will be described.

The package is wound around the winding plate to form a rectangular tubular body, and the top flap and the side are fixed with a tape. In addition, you may wind and fix the width direction of a square cylindrical body with a string not shown.

Then, each of the end flaps is bent inward, and the engagement projection formed on the other end flap is press-fitted into the engagement recess formed on one end flap.

After the press-fitting, as shown in FIG. 4, the engaging convex portion and the engaging concave portion engage with each other in a state where the force returning to the direction A is applied to the end flaps by the spring back of the folding line. doing. For this reason, the substantially V-shaped end cushions combined with each other protect both ends of the package housed in the prismatic body.

[0028] Therefore, it is possible to provide a packaging device in which an end buffer which is easily engaged is integrally formed without using an end buffer of a separate part, and the number of parts is reduced from three to one. Therefore, the cost of parts has been reduced. Further, since the end buffer is formed integrally with the winding plate portion, there is no need to attach a tape for preventing the end buffer from coming off, and the assembling does not require much time.

Also, when removing the package from the packaging device, the package can be easily removed by releasing the press-fit state of the combined end flaps. Further, after the package is taken out, it becomes a single plate, so that post-processing can be easily performed.

[0030]

As described above in detail, the packaging apparatus according to the present invention has an end flap portion formed by cutting both ends of a top flap portion of a rectangular tubular body formed by bending a single packaging plate material. Since the engaging concave portion and the engaging convex portion are formed in the end flap portion, the package can be easily packaged, and when the package is taken out, the press-fit state of the combined end flaps can be released. The package can be easily taken out by itself.
Further, after the package is taken out, it becomes a single plate, so that post-processing can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a packaging device according to a first embodiment of the present invention.

FIG. 2 is a development view showing a winding plate part of the packaging device in the embodiment.

FIG. 3 is an exemplary perspective view showing a state in which the package is assembled to the packaging device according to the embodiment;

FIG. 4 is a side view showing a press-fit state of an end flap portion of the packaging device in the embodiment.

FIG. 5 is a perspective view showing a packaging device according to the related art.

FIG. 6 is a perspective view showing a state in which a package is assembled to a packaging device according to a conventional technique.

FIG. 7 is a perspective view showing an end cushion in a conventional packaging device.

[Explanation of symbols]

 4 ... Square tubular body, 6 ... Bottom part, 7 ... Side part, 8 ... Top flap part, 9 ... Incision, 10 ... End flap part, 11 ... Engaging convex part, 12 ... Engaging concave part, 25 ... A substantially V-shaped end buffer 26, a buffer space.

Claims (1)

[Claims] 1. A packaging device for folding a single packaging plate material into a substantially rectangular cylindrical shape to package an object to be packaged, wherein the packaging device comprises: a bottom portion and both side portions formed by bending the packaging plate material; A rectangular cylindrical body formed by superposing the top flaps formed continuously on these side surfaces and winding the object to be packaged, and ends formed at both ends of the top flaps of the rectangular cylindrical body through cuts, respectively. A flap portion, and an engaging concave portion is formed on one end surface of the opposed end flap portion, and an engaging convex portion is formed on the other end surface to engage with the engaging concave portion. The end flaps of the body are bent inward, respectively, and the engagement concave portion and the engagement convex portion are engaged with each other to form substantially V-shaped end cushions at both ends of the rectangular cylindrical body, respectively. A packaging device characterized by providing buffer spaces at both ends of a packaged object. .