JP2011037506A - Packaging unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging unit capable of achieving both flexibility for protecting a machine against vibration or shock in a packing state of the machine and rigidity for holding the machine when using a packaging material as a working table of the machine. <P>SOLUTION: The packaging unit includes a first packaging material 1 made of a PP sheet and having a relief area X and a second packaging material 2 having a flat planar area 2a and set-in areas 2b assembled by bending corrugated fiberboard. After an individual packing box storing a monitor camera 100 wrapped with the first packaging material 1 and the second packaging material 2 is unpacked, the set-in area of the second packaging material 2 is fitted inside an outer periphery 1a of the first packaging material 1 when incorporating the second packaging material 2 from a surface opposite to a surface of the first packaging material 1 for holding the monitor camera 100, whereby strength of the outer periphery 1a of the first packaging material 1 is reinforced. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a packaging unit composed of a packaging material for packaging equipment, and more particularly to a packaging unit that can use a packaging material as a work table for holding equipment in preparation work at the time of equipment installation.

  Conventionally, when equipment (for example, products such as surveillance cameras) wrapped in packaging material and packed in a box is installed at the installation target location, opening and closing the cover that covers the wiring connection part of the equipment that unpacks the packaging material at the installation site Therefore, it is necessary to perform wiring work for the wiring connection portion. In that case, the packaging material may be used as a work table for placing the device. That is, the packaging material that packs the device is unpacked and taken out of the box, and the device is placed on the packaging material to perform wiring work or the like.

  For example, since the surveillance camera has a circular dome portion that needs to be protected, the packaging material that wraps the surveillance camera is shaped to escape the circular dome portion. In other words, since the mirror surface of the circular dome part of the surveillance camera dislikes scratches and dirt, it is necessary to protect the mirror surface.Therefore, the packaging material is shaped so as to escape the circular dome part so that the packaging material does not touch the circular dome part during packaging. Has been. Therefore, in order to prevent the circular dome part of the surveillance camera from being scratched or soiled during installation of the surveillance camera, it is necessary to use a packaging material that has already been shaped to escape the circular dome part of the packaging material. Convenient.

  FIG. 6 is a perspective view showing a state where a monitoring camera is mounted on a packaging material according to a conventional example to form a work table. (A) is a perspective view showing how the packaging material moves in the left direction of the arrow when the screw is turned with a screwdriver, and (b) shows the packaging material moves in the right direction of the arrow when the screw is turned with a driver. It is a perspective view which shows a mode.

  6 (a) and 6 (b), since the surveillance camera 1000 is mounted using the packaging material 1100 used for packaging of the surveillance camera 1000 as a work table and the back cover 1001 of the surveillance camera 1000 is opened and closed, This is an example in which the screw 1002 of the lid 1001 is rotated by the driver 1200. In the case of (a), when the screw 1002 of the back cover 1001 is turned by the driver 1200, the packaging material 1100 which is a work table moves in the left direction of the arrow and is deformed due to insufficient rigidity. Further, in the case of (b), when the screw 1002 of the back cover 1001 is turned by the driver 1200, the packaging material 1100 as the work table moves in the right direction of the arrow shown in the figure and deforms due to insufficient rigidity. Yes.

  The following techniques have been proposed as related techniques in the above technical field (see, for example, Patent Document 1). The proposal described in Patent Document 1 uses the packaging material of the device as a fall prevention auxiliary leg that supports the lower portion of the device used in an upright state where the installation stability is not good.

Japanese Patent Laid-Open No. 10-278987

  However, the packaging material for packaging equipment such as the above-described surveillance camera is required to have flexibility in material and structure in order to protect the equipment in a packaged state from vibration and impact during transportation. Therefore, there is a problem that the workability is not good because there is a sense of instability during work because the rigidity is insufficient to use the packaging material used for packaging the equipment as a work table for placing the equipment during equipment installation work. was there.

  In the conventional example of FIG. 6 described above, when the monitoring camera 1000 is mounted using the packaging material 1100 used for packaging the monitoring camera 1000 as a work table and the screw 1002 of the back cover 1001 is turned by the driver 1200, the work table is used. The packaging material 1100 moves in the direction of the arrow due to insufficient rigidity. Therefore, it is necessary for the operator to perform operations such as opening / closing the back cover of the monitoring camera 1000 and wiring while holding the work table by hand.

  An object of the present invention is to provide a packaging that can achieve both the flexibility to protect a device from vibration and shock in the packaging state of the device and the rigidity to hold the device when the packaging material is used as a work table for the device. To provide a unit.

  In order to achieve the above object, the present invention is a packaging unit that sandwiches a device between a first packaging material and a second packaging material and packs it in a packaging box, and the first packaging material includes A projecting portion that is formed so as not to come into contact with the surface of the device, an outer peripheral portion that surrounds the periphery of the projecting portion and fits to the inner surface of the packaging box at the time of packaging, is formed in the second packaging material, After unpacking, when the second packaging material is assembled from the surface opposite to the surface that holds the device of the first packaging material, the protruding portion and the outer peripheral portion of the first packaging material A built-in portion that fits into the outer peripheral portion is formed between the gaps.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to make compatible the flexibility which protects an apparatus from the vibration and impact in the packaging state of an apparatus, and the rigidity which hold | maintains an apparatus at the time of utilizing a packaging material as a working table of an apparatus.

It is a perspective view which shows the structure of the 1st packaging material and 2nd packaging material which comprise the packaging unit which concerns on the 1st Embodiment of this invention, and a surveillance camera. It is a perspective view which shows the state which packs the 1st packaging material, the 2nd packaging material, and the surveillance camera in an individual packaging box. (A) is a top view showing a state in which the second packaging material is fitted to the bottom surface of the first packaging material, (b) is a cross-sectional view taken along the line AA in the arrow (a), (C) is sectional drawing which follows the arrow BB line of (a). It is a figure which shows the packaging unit which concerns on the 2nd Embodiment of this invention. (A) is a perspective view of the 2nd packaging material in which the perforation was formed, (b) is a perspective view which shows the state which formed the opening part in the 2nd packaging material. (C) is the perspective view which shows the convex-shaped part Y of a 1st packaging material, and the opening part of a 2nd packaging material, (d) is the 1st packaging material and the 2nd which were unpacked and fitted. It is sectional drawing which shows the state which mounts the monitoring camera on the packaging material of this, and was set as the work table. It is a figure which shows the packaging unit which concerns on the 3rd Embodiment of this invention. (A) is a perspective view of the 2nd packaging material in which the perforation was formed, (b) is a perspective view which shows the state which formed the opening part and the bending part in the 2nd packaging material. (C) is the perspective view which shows the convex-shaped part Y of a 1st packaging material, the opening part of a 2nd packaging material, and a bending part, (d) is the 1st packaging material which unpacked and was fitted. It is sectional drawing which shows the state which mounted the monitoring camera on the 2nd packaging material, and was set as the work table. It is a perspective view which shows the state which put the monitoring camera on the packaging material which concerns on a prior art example, and was set as the work table. (A) is a perspective view showing how the packaging material moves in the left direction of the arrow when the screw is turned with a screwdriver, and (b) shows the packaging material moves in the right direction of the arrow when the screw is turned with a driver. It is a perspective view which shows a mode.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
FIG. 1 is a perspective view showing the configuration of a first packaging material, a second packaging material, and a surveillance camera that constitute the packaging unit according to the first embodiment of the present invention.

  In FIG. 1, the packaging unit is composed of a first packaging material 1 and a second packaging material 2. The first wrapping material 1 and the second wrapping material 2 have a shape that wraps the device (in this embodiment, the monitoring camera 100) and can be stored in an individual packaging box 3 (see FIG. 2) described later. Is formed. The monitoring camera 100 is packaged by the first packaging material 1 and the second packaging material 2. The surveillance camera 100 includes a hemispherical circular dome 101, a flat mounting surface 102, a back cover 103 that is provided on the mounting surface 102 and can be opened and closed via a screw 105, and a surface cover 104. .

  The first packaging material 1 is configured in a substantially rectangular parallelepiped shape having a space (a relief shape portion described later) for protecting the surveillance camera 100 placed on the first packaging material 1 from the direction of the arrow Y1 shown in the drawing. The first packaging material 1 is configured as a thin-walled cushioning material having a flexibility of a plate thickness of 0.8 mm made of, for example, a polypropylene (PP) sheet manufactured by vacuum forming. The first packaging material 1 is formed with a relief portion X as a protruding portion that protrudes toward the bottom surface.

  The relief shape portion X of the first packaging material 1 escapes the shape of the circular dome 101 of the surveillance camera 100 when the surveillance camera 100 is placed on the first packaging material 1 (in the spherical shape portion of the device). It is intended to protect the packaging material from contact. Further, the stepped portion facing the upper opening of the first packaging material 1 has a surface cover 104 positioned above the circular dome 101 of the monitoring camera 100 when the monitoring camera 100 is placed on the first packaging material 1. It is the holding part 7 (refer FIG.3 (c)) which hold | maintains a lower end part. The first packaging material 1 is formed with an outer peripheral portion 1a that surrounds the periphery of the relief shape portion X and fits to the inner surface of the individual packaging box 3 (packaging box) during packaging. When the outer peripheral portion 1 a is fitted to the inner surface of the individual packaging box 3 during packaging, the first packaging material 1 is held in the individual packaging box 3 without rattling.

  The 2nd packaging material 2 is comprised by the shape which can be integrated and fitted in the bottom face part located in the opposite side to the holding | maintenance part 7 (refer FIG.3 (c)) in the 1st packaging material 1. FIG. Yes. The 2nd packaging material 2 is comprised as a buffer material which has the softness | flexibility assembled, for example by bending the corrugated cardboard of 3 mm in thickness. The second packaging material 2 is connected to the flat plate portion 2a (pressing portion) for pressing the mounting surface 102 of the monitoring camera 100 placed on the first packaging material 1 from above, and to both sides of the flat plate portion 2a. It is comprised from the incorporating part 2b.

  As for the 2nd packaging material 2, the incorporating part 2b is located between the relief shape part X and the outer peripheral part 1a of the 1st packaging material 1 from the bottom face part side of the 1st packaging material 1 in the arrow Y2 direction of illustration. Built in. Thereby, it is possible to increase the strength of the first packaging material 1 constituting the packaging unit together with the second packaging material 2. In addition, the fitting part 4 is formed in the both ends of the width direction of the 1st packaging material 1 and the 2nd packaging material 2 in the state which incorporated the 2nd packaging material 2 in the 1st packaging material 1. (See FIG. 3).

  FIG. 2 is a perspective view illustrating a state in which the first packaging material, the second packaging material, and the monitoring camera are packaged in an individual packaging box.

  In FIG. 2, when the surveillance camera 100 is packaged, the surveillance camera 100 is packaged by being housed in the individual packaging box 3 in the order of the first packaging material 1, the surveillance camera 100, and the second packaging material 2. In the state where the surveillance camera 100 is packed with the first packaging material 1, the second packaging material 2 and the individual packaging box 3, the flexible thin-walled first packaging material 1 and the flexible cardboard (thin plate). By virtue of the second packaging material 2 that is bent, vibration and impact applied to the individual packaging box 3 during transportation are absorbed. Thereby, the surveillance camera 100 can be protected.

  At the time of packing, the surveillance camera 100 is packaged with the first packaging material 1 and the second packaging material 2 and stored in the individual packaging box 3 (see FIG. 2). In addition, after unpacking the individual packaging box 3 in which the surveillance camera 100 is packaged and stored by the first packaging material 1 and the second packaging material 2, the following incorporation is performed. That is, the positional relationship between the first packaging material 1 and the second packaging material 2 is rearranged so that the assembly portion 2b of the second packaging material 2 is placed between the relief shape portion X of the first packaging material 1 and the outer peripheral portion 1a. (See FIG. 1). By this incorporation, the strength of the first packaging material 1 is reinforced. Thereby, when using the 1st packaging material 1 and the 2nd packaging material 2 which were used for the packaging of the monitoring camera 100 as a work table at the time of performing the installation work of the monitoring camera 100, the rigidity as a work table is obtained. be able to.

  FIG. 3A is a top view showing a state in which the second packaging material is fitted to the bottom surface portion of the first packaging material, and FIG. 3B is an AA view of FIG. 3A. FIG. 3C is a cross-sectional view taken along the line BB in FIG. 3A.

  3A to 3C, the individual packaging box 3 in which the surveillance camera 100 is packaged and stored by the first packaging material 1 and the second packaging material 2 is unpacked. Furthermore, when using the 1st packaging material 1 and the 2nd packaging material 2 as a workbench at the time of installing the monitoring camera 100, it assembles in the following procedures.

  First, the second packaging material 2, the monitoring camera 100, and the first packaging material 1 are taken out from the individual packaging box 3 in this order (see FIG. 2). Next, from the bottom surface portion of the first packaging material 1, the assembly portion 2b of the second packaging material 2 is assembled (inserted) between the relief shape portion X of the first packaging material 1 and the outer peripheral portion 1a. The first packaging material 1 and the second packaging material 2 are assembled as work benches (see FIGS. 3B and 3C). In this case, the first packaging material 1 and the second packaging material 2 are fitted in the fitting portion 4 between the inner side of the outer peripheral portion 1a of the first packaging material 1 and the built-in portion 2b of the second packaging material 2. To do.

  Since the first packaging material 1 is manufactured by vacuum forming a PP sheet having a plate thickness of 0.8 mm as described above, the first packaging material 1 is easily bent. Then, the deformation | transformation of the outer peripheral part 1a of the 1st packaging material 1 is suppressed, and rigidity is increased by incorporating the 2nd packaging material 2 inside the outer peripheral part 1a of the 1st packaging material 1, and making it fit. Thus, even when the monitoring camera 100 is placed on the first packaging material 1, stability is achieved.

  As the monitoring camera 100 is placed on the first packaging material 1, the lower end portion of the surface cover 104 located on the upper side of the circular dome 101 of the monitoring camera 100 is a step portion on the upper surface portion of the first packaging material 1. It is supported by a certain holding portion 7 (portion shown by oblique lines in FIG. 3C). In this case, the circular dome portion 101 of the monitoring camera 100 that is a spherical shape portion fits in the relief shape portion X of the first packaging material 1. Thereby, since the circular dome part 101 which is the spherical shape part of the surveillance camera 100 is protected, it is possible to prevent the scratches and dirt from being attached to the circular dome part 101.

  When the operator uses the first packaging material 1 and the second packaging material 2 as a work table when performing the installation work of the monitoring camera 100, the operator uses the monitoring camera 100 supported by the first packaging material 1. The following operations can be performed stably. That is, the screw 105 of the back cover 103 of the surveillance camera 100 is removed by a screwdriver (not shown), the back cover 103 is opened, and the wiring work of the cable to the wiring connection portion inside the surveillance camera 100 and other adjustment work for the surveillance camera 100 are performed. Etc. can be performed stably.

  As described above, according to the present embodiment, the flexibility of protecting the device from vibrations and shocks in the packaging state of the device (in this embodiment, the monitoring camera) and the packaging material are used as the work table of the device. It is possible to provide a packaging unit that can be compatible with rigidity for holding a device at the time.

[Second Embodiment]
The second embodiment of the present invention differs from the first embodiment in that the second packaging material constituting the packaging unit is described with reference to FIG. The other elements of the present embodiment are the same as the corresponding ones of the first embodiment, and thus description thereof is omitted.

  4A to 4D are views showing the packaging unit according to the present embodiment. FIG. 4A is a perspective view of a second packaging material in which perforations are formed, and FIG. 4B is a perspective view showing a state in which an opening is formed in the second packaging material. FIG. 4 (c) is a perspective view showing the convex portion Y of the first packaging material and the opening of the second packaging material, and FIG. 4 (d) is the first packaging unpacked and fitted. It is sectional drawing which shows the state which mounts the monitoring camera on the material and the 2nd packaging material, and was set as the work table.

  4 (a) to 4 (d), the difference between the present embodiment and the first embodiment is that, as shown in FIG. A rectangular perforation 2c is formed on the flat plate portion 2a (pressing portion) between 2b.

  The flat plate portion 2a in which the perforation 2c (cutting line) of the second packaging material 2 is formed wraps the surveillance camera 100 with the first packaging material 1 and the second packaging material 2 and forms the individual packaging 3 When packing, it plays the role of holding down the mounting surface 102 of the monitoring camera 100. Therefore, since the strength which presses the mounting surface 102 of the monitoring camera 100 with the flat plate portion 2a of the second packaging material 2 is necessary, the perforation 2c of the second packaging material 2 is not broken at the time of packaging.

  As shown in FIG. 4C, the first wrapping material 1 is protected so that the shape of the circular dome 101 of the surveillance camera 100 escapes (the wrapping material does not contact the surface of the circular dome 101). For this reason, a convex portion Y is formed toward the bottom surface portion. The convex portion Y in FIG. 4C is the relief portion X in FIG. 1 as viewed from below the bottom surface portion of the first packaging material 1.

  After unpacking the individual packaging box 3 (see FIG. 2) in which the surveillance camera 100 is wrapped and stored with the first packaging material 1 and the second packaging material 2, as shown in FIG. When the perforation 2c of the 2nd packaging material 2 is broken and the part enclosed by the perforation 2c is removed, the opening part 5 will arise. The portion surrounded by the perforation 2c of the second packaging material 2, that is, the size of the opening 5 is set in advance to a size that allows the convex portion Y of the first packaging material 1 to be fitted. Yes. In this case, with the incorporation of the second packaging material 2 into the first packaging material 1, the convex portion Y of the first packaging material 1 and the opening 5 of the second packaging material 2 are fitted to the fitting portion 6. (See FIG. 4D). Accordingly, the opening 5 of the second packaging material 2 is fitted into the convex portion Y of the first packaging material 1, and the deformation of the outer peripheral portion 1 a of the first packaging material 1 is incorporated into the second packaging material 2. By suppressing the portion 2b, the rigidity of the first packaging material 1 is increased.

  As shown in FIGS. 4C and 4D, after unpacking the individual packaging box (FIG. 2), the second packaging material 2 in which the surveillance camera 100 is packaged together with the first packaging material 1 is monitored camera. When used as a work table 100, the second packaging material 2 is assembled and fitted from the bottom surface side of the first packaging material 1. Along with this, the convex portion Y of the first packaging material 1 is fitted into the opening 5 of the second packaging material 2 so that the first packaging material 1 and the second packaging material 2 are in a fitted state. It becomes.

  The first wrapping material 1 and the second wrapping material 2 include the first wrapping material 1 and the second wrapping material 2 in addition to the fitting at the fitting portions 4 at both ends in the width direction. The convex portion Y of the packaging material 1 is also fitted by the fitting portion 6 that fits into the opening 5 of the second packaging material 2. Compared with the first embodiment, the first packaging material 1 and the second packaging material 2 have two fitting parts 4 and a fitting part 9, so that the first packaging material 2 is used for the first packaging material 2. The packaging material 1 can be further reinforced.

  As described above, according to the present embodiment, the flexibility of protecting the device from vibrations and shocks in the packaging state of the device (in this embodiment, the monitoring camera) and the packaging material are used as the work table of the device. It is possible to provide a packaging unit that can be compatible with rigidity for holding a device at the time.

[Third Embodiment]
The third embodiment of the present invention is different from the first embodiment in that the second packaging material constituting the packaging unit is described in FIG. The other elements of the present embodiment are the same as the corresponding ones of the first embodiment, and thus description thereof is omitted.

  FIG. 5 is a view showing a packaging unit according to the third embodiment. FIG. 5A is a perspective view of a second packaging material in which perforations are formed, and FIG. 5B is a perspective view showing a state in which an opening and a bent portion are formed in the second packaging material. . FIG. 5C is a perspective view showing the convex portion Y of the first packaging material and the opening and the bent portion of the second packaging material, and FIG. It is sectional drawing which shows the state which put the monitoring camera on 1 packaging material and 2nd packaging material, and was set as the work table.

  In FIG. 5, the difference between the present embodiment and the first embodiment is that the flat plate portion 2a between the built-in portions 2b on both sides in the second packaging material 2 as shown in FIG. 5 (a). A rectangular perforation 2c and a straight perforation 2d are formed in the (holding portion).

  A perforation 2d (is formed at the center of the rectangular portion surrounded by the perforation 2c of the second packaging material 2. That is, the perforation 2d of the second packaging material 2 is surrounded by the perforation 2c. The rectangular portion is formed so as to be divided by the perforation 2d, as in the second embodiment, the flat plate portion 2a in which the perforation 2c and the perforation 2d of the second packaging material 2 are formed. Since this serves to hold down the mounting surface 102 of the monitoring camera 100 during packaging, the perforation 2c and perforation 2d of the second packaging material 2 do not break during packaging.

  After unpacking the individual packaging box 3 containing the first packaging material 1, the second packaging material 2, and the surveillance camera 100, as shown in FIG. 5 (b), the sewing machine of the second packaging material 2 When a part of the perforations 2c and the whole perforation 2d are broken, a pair of bent portions 8 are generated with the perforation 2d as a boundary. When the bent portion 8 is double-spread, an opening 5 is generated. Similar to the second embodiment, the size of the opening 5 of the second packaging material 2 is set in advance to a size that allows the convex portion Y of the first packaging material 1 to be fitted. Has been.

  As shown in FIGS. 5 (c) and 5 (d), after unpacking the individual packaging box (FIG. 2), the second packaging material 2 in which the surveillance camera 100 is packaged together with the first packaging material 1 is monitored. When used as a work table 100, the second packaging material 2 is assembled and fitted from the bottom surface side of the first packaging material 1. Along with this, the convex portion Y of the first packaging material 1 is fitted into the opening 5 of the second packaging material 2 so that the first packaging material 1 and the second packaging material 2 are in a fitted state. It becomes. Accordingly, the opening 5 of the second packaging material 2 is fitted into the convex portion Y of the first packaging material 1, and the deformation of the outer peripheral portion 1 a of the first packaging material 1 is incorporated into the second packaging material 2. By suppressing the portion 2b, the rigidity of the first packaging material 1 is increased.

  At that time, the bent portion 8 of the second wrapping material 2 that has a double spread serves as a reinforcing rib in the fitting portion 9 with the convex portion Y of the first wrapping material 1. Compared with the second embodiment, the second packaging material 2 reinforces the first packaging material 1 more strongly by the bent portion 8 having the function of the reinforcing rib formed on the second packaging material 2. Can do.

  As described above, according to the present embodiment, the flexibility of protecting the device from vibrations and shocks in the packaging state of the device (in this embodiment, the monitoring camera) and the packaging material are used as the work table of the device. It is possible to provide a packaging unit that can be compatible with rigidity for holding a device at the time.

[Other Embodiments]
In the first to third embodiments, the case where the first packaging material constituting the packaging unit is formed of polypropylene and the second packaging material is formed of cardboard is taken as an example, but the present invention is limited to this. It is not a thing. As long as both the flexibility and rigidity of the packaging unit can be achieved, any material other than the above can be used as a material for forming the first packaging material and the second packaging material.

  In the 2nd and 3rd embodiment, although the case where the perforation was formed in the 2nd packaging material was mentioned as an example, it is not limited to this. Instead of forming perforations in the second packaging material, slits or cuts may be formed.

  In the first to third embodiments, the case where the device packaged by the packaging unit is a monitoring camera is described as an example, but the present invention is not limited to this. The present invention can also be applied when packaging a device other than a surveillance camera with a packaging unit.

  In the first to third embodiments, the preferred embodiments of the present invention have been described. However, the present invention is not limited to these embodiments. Various modifications and changes can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 1st packaging material 2 2nd packaging material 2c, 2d Perforation 100 Monitoring camera

Claims (4)

A packaging unit that sandwiches a device between a first packaging material and a second packaging material and packs it in a packaging box,
The first packaging material is formed with a protruding portion that is formed so as not to come into contact with the surface of the device, and an outer peripheral portion that surrounds the protruding portion and fits into the inner surface of the packaging box during packaging. ,
When the second packaging material is incorporated into the second packaging material from the surface opposite to the surface holding the device of the first packaging material after unpacking, the first packaging material The packaging unit is characterized in that a built-in portion that fits into the outer peripheral portion is formed between the protruding portion and the outer peripheral portion.   The second packaging material is formed with a flat plate portion that holds down the device at the time of packaging, and the flat plate portion is formed on a surface opposite to the surface of the first packaging material that holds the device. A cutting line for forming an opening for fitting the flat plate portion to the projecting portion of the first packaging material when incorporating the second packaging material is formed. Item 4. A packaging unit according to item 1.   The packaging unit according to claim 2, wherein a bent portion is formed on the flat plate portion by bending a portion cut by the cutting line.   4. The device according to claim 1, wherein the device has a spherical shape portion, and the protruding portion of the first packaging material is formed to protrude so as not to contact the spherical shape portion. The packaging unit according to item 1.