JP2002321726A - Packaging box, corrugated fiberboard for packaging box, and method for producing packaging box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the rattling of an instruction manual in spite of the thickness thereof when transfering or handling a packaging box. SOLUTION: In this packaging box made of corrugated fiberboard, of a rectangular parallelpiped, having an inside partition wall portion, mounting the object to be packaged on the upper surface of the partition wall portion, and housing a flat attachment under the partition wall portion, a mount portion of a substantially V-shape cross section with a pair of elastically deformable both sides and free upper end surfaces are provided under the partition wall, the flat attachment is mounted on the upper end surfaces of the mount portion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging box, a cardboard for the packaging box, and a method for manufacturing the packaging box.

[0002]

2. Description of the Related Art A packaging box of this type is known as shown in FIG. That is, the packaging box 1 is made of corrugated cardboard, has a rectangular shape, and has a partition 2 therein.
An article to be packaged 4 is placed on the upper surface of the container 2 and an instruction manual 6 is accommodated below the partition 2. There are two types of instruction manuals, one for Japan (Japan) and one for foreign countries. The latter is for each country (English-speaking area, German-speaking area, etc.)
Created in common. Therefore, the thickness is large. Alternatively, the volume may be divided into several volumes depending on the direction of use, and may range from one volume (3 mm) to six volumes (18 mm). Assuming that the space below the partition 2 on which the packaged object 4 is placed is a free space, in the case of one or two books, there is rattling during transportation or handling in this space, and such a sound is generated from outside. Listening to them can make you feel uneasy (such as something wrong with the packaged item) or uncomfortable. In order to cope with this, conventionally, as shown in FIG. 13A, the cardboard spacers 8 are added according to the thickness of the instruction manual 2 or according to the number of books to prevent rattling. FIG. 13B shows a case where a cardboard spacer 10 for six books 9 is added.

[0003]

As described above, in the conventional packaging box, rattling of the instruction manual has been prevented. However, according to the thickness of the instruction manual, an individual carton (one sheet) is required. Since additional corrugated cardboard spacers are required in addition to corrugated cardboard, the number of man-hours has been increased and the cost has been increased. The present invention has been made in view of the above problems, and has as its object to reduce the production cost of a packaging box for the same purpose.

[0004]

The object of the present invention is to provide a rectangular parallelepiped cardboard having a partition wall therein, a packaged object placed on an upper surface of the partition wall, and a lower side of the partition wall. In the packaging box in which a flat-shaped accessory is accommodated, a pair of elastically deformable and upper end surfaces are provided on at least both sides having a substantially V-shaped cross section, and A packaging box, wherein the flat-plate-shaped accessory is placed on the upper end surface of the writing section, a first wall section, a second wall section, and a third section connected to each other via a polygonal line; The first wall portion has a side wall forming portion, and the side wall forming portion of the first wall portion has a bent line on one end side of the side wall forming portion and a broken line on the other end side of the first wall portion. A partition wall forming portion, and a first buffering portion is provided on one end side of the side wall forming portion of the second wall portion via a polygonal line. A first flap forming portion is provided on the forming portion and the other end side through a broken line, and an engaging portion with the lid forming portion is provided at one end of the side wall forming portion of the third wall portion and a broken line is provided on the other end side. A bottom wall forming portion is provided, and a second buffer body forming portion is provided on one end side of the side wall forming portion of the fourth wall portion via a broken line, and a second flap forming portion is provided on the other end side via a broken line. A cardboard box for packaging, characterized by a first wall portion, a second wall portion, a third wall portion, and a fourth wall portion which are connected to each other via a broken line, each having a side wall forming portion aligned with each other. A lid forming portion via a broken line at one end of the side wall forming portion of the first wall portion; a partition wall forming portion via a broken line at the other end side; and a margin at one side edge; One side of the side wall forming portion has a first buffer body forming portion through a broken line and the other end portion has a first flag through a broken line. Forming a bottom wall forming portion at one end of the side wall forming portion of the third wall portion with an engaging portion with the lid forming portion and a bent line at the other end side; The second buffer body forming part is connected to the second buffer body via a broken line at one end side of the forming part via a broken line.
Prepare a corrugated cardboard provided with a flap forming part, and (A)
Each of the side wall forming portions is sequentially folded at 90 degrees by the broken line, and the side wall forming portion of the first wall portion is glued to the side wall forming portion of the fourth wall portion with an adhesive to form a rectangular cylinder. Forming; (B) forming the partition by folding the partition forming portion of the first wall into the rectangular cylinder along the polygonal line; (C) forming the first and second walls of the second and fourth walls. A step of successively folding the second flap portion into the rectangular cylinder to form a pair of elastically deformable mounting portions each having a V-shaped cross section and having an upper end surface in a free state; (D) forming the third wall portion; Forming the bottom wall by folding the bottom wall forming portion into the rectangular cylindrical body along the broken line and engaging one end portion with one end of the partition portion; (E) the second wall portion and the fourth wall; The first and second buffer body forming portions of the portion are sequentially folded into the rectangular cylinder to form first and second buffer portions having a rectangular cross section. And (F) a step of folding the lid forming portion of the first wall portion along a polygonal line and engaging a notch at an end portion with the engaging portion of the third wall portion. A method for manufacturing a packaging box, or a first wall portion, a second wall portion, a third wall portion, and a fourth wall portion connected to each other via a polygonal line, each having a side wall forming portion aligned with each other, One end of the side wall forming portion of the first wall portion is provided with a lid forming portion via a broken line and the other end side is provided with a partition forming portion via a broken line, and further a margin is provided on one side edge, and the margin of the second wall portion is provided. A first buffer body forming portion is provided at one end of the side wall forming portion via a broken line, and a first flap forming portion is provided at the other end side of the side wall forming portion through a broken line, and the lid is formed at one end of the side wall forming portion of the third wall portion. A bottom wall forming portion is provided at the engaging portion with the portion and the other end side through a broken line, and a bottom wall forming portion of the fourth wall portion is provided. The via a line to the second buffer body forming portion and the other end side via a line to the side 2
Prepare a corrugated cardboard provided with a flap forming part, and (A)
Each of the side wall forming portions is sequentially folded at 90 degrees by the broken line, and the side wall forming portion of the first wall portion is glued to the side wall forming portion of the fourth wall portion with an adhesive to form a rectangular cylinder. Forming (B) the first of the second wall portion and the fourth wall portion,
A step of sequentially folding the second buffer forming portion into the rectangular cylinder to form first and second buffers having a rectangular cross section; (C)
Folding the lid forming portion of the first wall portion along the broken line, and engaging the notch of the end with the engaging portion of the third wall portion;
(D) forming the partition wall by folding the partition wall forming portion of the first wall portion into the rectangular cylinder along the polygonal line; (E)
The first and second flap portions of the second and fourth wall portions are sequentially woven into the rectangular cylinder to form a pair of elastic squares having a V-shaped cross section and a mounting portion having a free upper end surface. Process,
And (F) forming the bottom wall by folding the bottom wall forming portion of the third wall portion into the rectangular cylindrical body along a polygonal line and engaging a notch at one end with an engaging portion of the partition portion. And a method of manufacturing a packaging box.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A packaging box according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a cardboard 20 which is a raw material of the present packaging box.
The second wall portion 22, the third wall portion 23, and the fourth wall portion 24 are connected via a polygonal line a. The side wall forming portions 30a, 30b, 30c, 30d are formed side by side along the broken line a, and the lid forming portion 32 is provided on the first wall portion 21 via the broken line a. In addition, a partition wall forming portion 34 is provided via broken lines a, a.
Next, in the second wall portion 22, the first buffer body forming portion 36 is provided through a broken line a which is an end of the side wall forming portion 30b, and the present invention is related to the present invention through a lower broken line a. A first flap 38 is provided.

Next, in the third wall portion 23, an engaging portion 71 is provided from the center of the edge of the side wall forming portion 30c, and a bottom wall forming portion 40 is provided through a lower broken line a. ing. Next, in the fourth wall portion 24, the end of the side wall forming portion 30 d is connected to the second buffer body forming portion 42 via a polygonal line a.
Is provided, and the second flap 44 is provided via the lower broken line a.

The first wall portion 21 will be described in more detail. A lid flap 50 is formed near the edge of the lid forming portion 32 through a fold line a, and a cutout g is formed in the center of the lid flap 50 to cut the protruding piece 5.
1 is provided. Further, the side wall forming portion 34 of the partition wall is provided so as to be connected to the broken line a which is the other end of the side wall forming portion 30a, and the above-described partition wall forming portion 34 is provided so as to be connected to the broken line a which is the end portion. In addition, the other side wall forming portion 53 of the partition wall is provided at the lower end through a broken line a. Further, the partition wall forming portion 34 has a round hole b and a round hole c having a smaller diameter than the round hole b.

A locking piece 52 is formed by a cut line g intersecting with a broken line a which is a lower edge of the side wall forming portion 30a.

Next, further details of the second wall portion 22 will be described. A little above the central part of the first buffer body forming part 36,
Two broken lines a, a are provided, a buffer bottom wall forming portion 61 is provided at an upper end thereof, and a buffer upper wall portion 64 is provided below this, and a buffer side wall forming portion 63 is provided therebetween.
Is provided. A tongue forming portion 62 is formed at the center of the buffer body side wall forming portion 63 by a substantially U-shaped cut line g.

As shown, the first flap 38 is obliquely cut on one side, and is provided with a pair of flap pieces 65 and 66 through a broken line a.

Next, the details of the third wall portion 23 will be described. At the lower end of the bottom wall forming portion 40, a side wall forming portion 72 of the bottom wall is provided.
Is provided, and a cutout 73 is formed substantially at the center of the polygonal line a which is the edge.

Next, details of the fourth wall portion 24 will be described. A second flap 44 is provided below the side wall forming portion 30d.
This is also provided with a pair of flap pieces 80 and 81 via a broken line a similarly to the first flap 38. Above the side wall forming portion 30a, a second buffer upper wall forming portion 84 is provided via a second buffer bottom wall forming portion 82 and broken lines a, a. A buffer body side wall forming portion 85 is provided between the bottom wall and upper wall forming portions 82 and 84. As described above, the cardboard 20 of the packaging box according to the embodiment of the present invention has been described. Next, a method of manufacturing the packaging box will be described.

FIG. 1 shows a plan view of the cardboard 20, but it is assumed that the name of the article to be packaged and its specifications are printed on the surface of the cardboard 20 even if not shown. FIG.
After the front and back of the corrugated cardboard 20 are reversed, a valley fold is made at a broken line a between the first wall portion 21 and the second wall portion 22 as shown in FIG. The state shown by the one-dot chain line indicates a folding step in the middle, and the solid line indicates the final folding step, forming a square tubular body. As is clear from FIG. 2, the second wall 2
A polygonal line a between the second and third wall portions 23 and the third wall portion 23
FIG. 2 shows a state in which the valleys are folded at approximately 90 degrees at the broken line a between the first wall portion 24 and the fourth wall portion 24, and the outer edge of the first wall portion 21 shown in FIG. A glue or an adhesive is applied to the glue margin 54 provided at the center, and is adhered to the back surface of the side wall forming portion 30d of the fourth wall portion 24 (now, the front and back are turned over and the back surface is formed).
Next, the square tube shown in FIG. 2 is turned upside down. On this,
Each part is folded in the order shown in FIGS. First
The partition wall forming portion 34 of the wall portion 21 is sequentially folded along broken lines a and a. As shown in FIG. 3, the folding lines a and a are folded 90 degrees inward and outward, respectively. At the fold line a of the side wall forming portion 53 of the partition wall, as shown in FIG. Push in. Therefore, the state shown in FIG. 4 is obtained.

Next, as shown in FIG. 4, the flap portion 38 of the second wall portion 22 and the flap portion 44 of the fourth wall portion 24 are folded inside at the broken line a at the root as shown in FIG.
Further, the flap pieces 65, 66 and 80, 81 are folded inward at the broken line a as shown in FIG. In FIG. 5, the edges of the lower flap pieces 66 and 81 are in a free state, but below this, an instruction manual M (not shown here) is arranged, and as shown in FIG. The third wall portion 23 is folded inward along the broken line a, and the locking piece 52 of the first wall portion 21 is engaged with the cut 73 so that the bottom portion 40 of the packaging box is fixed. Keep closed.

Next, through the steps of FIG. 3 to FIG.
Turn it upside down with 0 closed. As shown in FIGS. 6 and 7, the first buffer body forming part 36 and the second buffer body forming part 42 provided above the side wall forming parts 30 b and 30 d of the second wall part 22 and the fourth wall part 24. Is folded inwardly and inwardly by 90 degrees around the polygonal lines a and a. This folding process is shown in FIGS. 6 to 8, but when completely folded, the state shown in FIG. 9 is obtained. Here, the tongue portions 62 and 83 formed integrally with the first buffer body forming section 36 and the second buffer body forming section 42 are in a state of being overlapped. On top of this, an article to be packaged 4 (IC recorder in this embodiment, not shown in FIG. 9) is stored. Then, the lid forming portion 32 of the first wall portion 21 is folded inward along the broken line a, and the cut g
The projection 71 formed at the upper edge of the third wall 23 is bent at 90 degrees along the broken line a, and is formed by the cut line g of the lid forming portion 32 of the first wall 21 and the projection 51. Insert through the gap. Thus, the packaging box is completed.

The packaging box is completed as described above. The instruction manual M is placed on the pair of flaps 38 and 44 as shown in FIG.
Is covered as shown in FIGS.
In the space below 4, as shown in FIG. That is, the V-shaped first flap 38 and the second flap 44 are pressed against the lower surface of the partition wall forming portion 34. Even if the instruction manual M is as thin as 3 mm per sheet,
Since the packing box is pressed against the lower surface of the partition wall forming portion 34 with a sufficient pressing force, the packing box does not rattle during transportation or during any handling. FIG. 10B shows an instruction manual M in which five or six books are overlapped.
Even when the pressure becomes small, the elastic force of the first flap 38 and the second flap 44 causes the lower surface of the partition wall forming portion 34 to be pressed with a stronger force. I won't. When the user takes out the IC recorder, which is the article to be packaged, from the packaging box and opens the pair of right and left buffer portions 36 and 42 as shown in FIG. 6, a round hole formed substantially in the center of the partition wall forming portion 34 is formed. Instruction manual M from b
Of the partition forming portion 3
After confirming that the operation manual of this IC recorder is surely provided under 4, the user can easily take out the operation manual M by hooking a finger on the opening b and pulling it upward. .

Although the embodiment of the present invention has been described above, the present invention is, of course, not limited to this, and various modifications can be made based on the technical idea of the present invention.

For example, in the above embodiment, the flap pieces 65, 66 and 80, 81 of the flap portions 38, 44 are
As shown in FIG. 10, each of the flap pieces 6 was folded inward at a broken line a to form a V-shaped cross section. Instead, as shown in FIG.
5, 66 and 80, 81 may be folded inward to form a V-shape. Instruction manual M
Can be pressed against the bottom surface of the partition wall forming portion 34. Therefore there is no rattling. FIG. 12 shows a further modified example. In this modified example, two pairs of V-shapes are formed. That is, the number of broken lines is increased one by one, and the bent line is further bent inward to be elastic. Perform the action.

Further, in the above embodiment, the flap portion is formed by an individual carton, that is, one piece of corrugated cardboard. It can be held in the instruction manual of any thickness just by placing it on the device, and the effect of the present invention can be obtained. According to the embodiment of the present invention,
Since the corrugated cardboard 20 is formed without requiring an extra corrugated cardboard area for forming the flap portions 38 and 44, the cost of the corrugated cardboard 20 is not increased.

Further, in the above-described embodiment, the operation manual has been described as the flat-shaped accessory housed below the partition wall. However, the present invention is not limited to this, and other flat-shaped accessories, for example, floppy ( (Registered trademark) disk. It is also possible to stack several of them and hold them inside the packaging box without rattling.

In the above embodiment, a relatively thin IC recorder having a rectangular shape was described as an article to be packaged. However, the present invention is not limited to this, and a tape recorder having a similar shape can be applied. And other electronic devices, for example, a mobile phone. Alternatively, the present invention is not limited to such a shape, and can be applied to a packaging box for storing articles of various shapes. In this case, instead of the pair of buffer portions described above, a buffer portion matching this shape may be provided.

Further, in the above-described embodiments, the description is made with the broken line a, but a perforation may be used. Although it is a so-called lead rule, whether it is a simple rule or a lead rule may be determined according to the use condition. All the polygonal lines a in the present specification include these.

[0024]

According to the method for manufacturing a packaging box, a corrugated cardboard for a packaging box, and a packaging box of the present invention, a packaging box can be manufactured at a lower cost than a conventional package for any thickness of a flat accessory. Can be.

[Brief description of the drawings]

FIG. 1 is a development view of a cardboard used in an embodiment of the present invention.

FIG. 2 is a perspective view showing a process of assembling a packaging box using the cardboard.

FIG. 3 is a perspective view showing a step of further assembling.

FIG. 4 is a perspective view showing a step following FIG. 3;

FIG. 5 is a perspective view showing a step that follows the step of FIG. 4;

FIG. 6 is a perspective view showing a step of accommodating the instruction manual M in a step subsequent to FIG.

FIG. 7 is a perspective view showing a step that follows the step of FIG.

FIG. 8 is a perspective view showing a step that follows the step of FIG. 7;

FIG. 9 is a perspective view showing a step that follows the step of FIG. 8;

FIG. 10 is a cross-sectional view of the packaging box according to the embodiment of the present invention, in which A is a cross-sectional view showing a state where a thin instruction manual is held, and B is a cross-sectional view showing a state where a relatively thick instruction manual is held. FIG.

FIG. 11 is a sectional view similar to FIG. 10 but showing a modification thereof.

FIG. 12 is a sectional view showing a further modified example.

FIG. 13 is a cross-sectional view of a conventional packaging box, wherein A is a cross-sectional view showing a state where a relatively thin instruction manual is held, and B is a cross-sectional view showing a state where a relatively thick instruction manual is held. It is sectional drawing.

[Explanation of symbols]

20 corrugated paper, 21 first wall, 22 second
Wall part, 23 ... third wall part, 24 ... fourth wall part, 30a-
30d ... side wall forming part, 34 ... partition wall forming part, 38 ...
First flap, 44... Second flap, 53.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) B65D 77/26 B65D 5/48 B 81/133 81/16 A F-term (Reference) 3E060 AA03 AB05 BA08 BC02 CC03 CC03 CC04 CC37 CC42 CC43 DA03 DA26 EA17 3E066 AA21 BA06 CA04 FA04 HA03 JA03 KA05 KA20 NA01 3E067 AA12 AA24 AB62 AC04 AC14 BA06A BB02A EC03 EC13 EE02 FA02 FC01 GD03 3E075 AA05 BA02 BB12 CA45 DC46

Claims (7)

[Claims] 1. A rectangular parallelepiped shape having a partition wall inside, an object to be packaged is placed on the upper surface of the partition wall, and a flat-plate accessory is accommodated below the partition wall. In the packaging box, the lower side is provided with a pair of elastically deformable mounting portions on at least both sides having a substantially V-shaped cross section and an upper end surface in a free state, and the upper end surface of the mounting portion is provided on the upper end surface. A packaging box on which a flat accessory is placed. 2. The packaging box according to claim 1, wherein the flat accessory is an instruction manual for the article to be packaged. 3. A buffer having a pair of rectangular cross sections provided on both sides of the partition, and the packaged object is placed on the partition between the buffers. Item 4. The packaging box according to Item 1. 4. The packaging box according to claim 2, wherein an opening is formed substantially at the center of the partition. 5. The apparatus according to claim 1, further comprising a first wall, a second wall, a third wall, and a fourth wall connected to each other via a polygonal line, wherein the first wall, the second wall, the third wall, and the fourth wall are aligned with each other. A lid forming portion is provided on one end side of the side wall forming portion of the one wall portion via a broken line, and a partition wall forming portion is provided on the other end side of the side wall forming portion via a broken line, and a bending line is provided on one end side of the side wall forming portion of the second wall portion. A first flap forming portion provided on the other end side via a broken line, and an engaging portion with the lid forming portion and the other end at one end of the side wall forming portion of the third wall portion. A bottom wall forming portion is provided on a side of the fourth wall portion, a second buffer body forming portion is formed on one end of the side wall forming portion of the fourth wall portion via a broken line, and a second flap forming portion is formed on the other end of the side wall forming portion through a broken line. A corrugated cardboard for a packaging box, characterized by comprising: 6. The first wall portion includes a first wall portion, a second wall portion, a third wall portion, and a fourth wall portion which are connected to each other via a polygonal line, and has a side wall forming portion which is aligned with each other. One end of the side wall forming portion of the one wall portion is provided with a lid forming portion via a broken line, the other end side is provided with a partition forming portion through a broken line, and further, a margin is provided on one side edge, and the side wall forming of the second wall portion is provided. A first buffer body forming portion via a broken line on one end side of the portion and a first flap forming portion via a broken line on the other end side, and the lid forming portion at one end of the side wall forming portion of the third wall portion; The bottom wall forming portion is provided on the engaging portion and the other end of the fourth wall portion through a broken line, and the broken line is formed on the one end of the side wall forming portion of the fourth wall portion through the broken line. A corrugated cardboard provided with a second flap forming portion is prepared through: (B) forming a rectangular cylinder by gluing the side wall forming portion of the first wall portion to the side wall forming portion of the fourth wall portion with an adhesive with the margin; A step of forming the partition wall by folding the partition wall forming section into the rectangular cylindrical body along the broken line; (C) sequentially folding the first and second flap portions of the second and fourth wall portions into the rectangular cylindrical body; Forming a pair of elastically deformable mounting sections having a V-shaped cross section and having an upper end surface in a free state, (D) connecting the bottom wall forming section of the third wall section with the polygonal line along the polygonal line. Forming a bottom wall by engaging one end with one end of the partition wall, and (E) sequentially forming the first and second buffer body forming portions of the second wall portion and the fourth wall portion. Forming a first and a second cushion having a rectangular cross-section by folding into the rectangular cylinder; and (F) the first wall. Method for producing a packaging box for folding the lid forming portion in broken line, the step causes the cut end engaged with the engagement portion of the third wall portion that consists, characterized. And a first wall portion, a second wall portion, a third wall portion, and a fourth wall portion which are connected to each other via a polygonal line. One end of the side wall forming portion of the one wall portion is provided with a lid forming portion via a broken line, the other end side is provided with a partition forming portion through a broken line, and further, a margin is provided on one side edge, and the side wall forming of the second wall portion is provided. A first buffer body forming portion via a broken line on one end side of the portion and a first flap forming portion via a broken line on the other end side, and the lid forming portion at one end of the side wall forming portion of the third wall portion; The bottom wall forming portion is provided on the engaging portion and the other end of the fourth wall portion through a broken line, and the broken line is formed on the one end of the side wall forming portion of the fourth wall portion through the broken line. A corrugated cardboard provided with a second flap forming portion is prepared through: (B) the step of folding the side wall forming portion of the first wall portion to the side wall forming portion of the fourth wall portion with an adhesive with an adhesive to form a rectangular cylindrical body; (B) the second wall portion; A step of sequentially folding the first and second buffer forming portions of the fourth wall into the rectangular cylinder to form first and second buffers having a rectangular cross section; and (C) a lid of the first wall. A step of folding the forming portion along the polygonal line and engaging the notch of the end with the engaging portion of the third wall portion; (D) inserting the partition wall forming portion of the first wall portion into the rectangular cylinder at the polygonal line (E) the first and second flap portions of the second and fourth wall portions are sequentially woven into the rectangular cylindrical body so that a pair of elastic squares having a V-shaped cross section can be formed. (F) forming the mounting portion having an upper end surface in a free state; and (F) forming the corner of the bottom wall forming portion of the third wall portion with a polygonal line. Is folded into the body, the manufacturing method of the packaging box characterized by comprising a notch at one end from the process to form the bottom wall by engaging the engaging portion of the partition wall.