JP7112028B2 - Packing material - Google Patents

Description

TECHNICAL FIELD The present invention relates to a packing material for an object to be packed such as a refrigerator.

2. Description of the Related Art Conventionally, when packing a heavy object such as a refrigerator, the outer surface of the object is covered with a plurality of packing materials, and the packing materials are bound and fixed with a band. Some of such packing materials are made of thick paper such as corrugated cardboard. When transporting an object covered with packing material, a carrier forms a handle hole in a part of the packing material, puts a hand on the edge of the handle hole, and raises and lowers and moves the object. I do. A handle hole is an opening that is formed by a person carrying a hand pushing the periphery of a notch formed in the packing material inward, that is, toward the side of the item to be packed.

When the handle hole is formed, the portion pushed inward is connected to the packing material only by a sheet of cardboard at a portion of the edge of the handle hole. Therefore, when carrying a heavy object to be packed, the area around the handle hole may be damaged while the carrier is working by putting his or her hand on the edge of the handle hole. In order to prevent such damage, the base plate for packaging described in Patent Document 1 is provided with a member that reinforces the periphery of the handle hole. In the packaging base plate of Patent Document 1, a notch for opening a handle hole is formed in the vicinity of the cushioning member that abuts on the object to be packed, and the cushioning member is used as a reinforcing member around the handle hole. there is In addition, part of the edge of the packaging base plate, which is the packing material, is formed of the reinforcing frame, and a notch for opening the handle hole is formed in the vicinity of the reinforcing frame, and the reinforcing frame is formed with the handle hole. It is used as a surrounding reinforcing member.

Japanese Utility Model Laid-Open No. 62-3461

Considering the convenience of transportation, it is desirable to be able to form a handle hole in areas other than the buffer member and the periphery of the frame. However, in order to increase the strength around the handle hole formed other than around the cushioning member and the frame, a new reinforcing member must be provided. In other words, it has been desired to increase the degree of freedom in the location where the handle hole can be formed and to secure the strength around the handle hole, thereby further improving the usability of the packing material.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a packaging material with improved usability.

A packing material according to the present invention is a packing material covering one surface of an object to be packed, comprising a flat portion arranged along the one surface of the object to be packed and a second flat portion facing the object to be packed. a convex portion that is formed in a convex shape on one surface, and a concave portion that is formed in a concave shape on a second surface of the flat portion opposite to the first surface and constitutes a groove; A binding member for fixing the packing material has a raised portion arranged in the concave portion, and a handle mechanism provided on the flat portion, wherein the handle mechanism is formed on the flat portion. a notch, a support portion connected to the first surface of the flat portion, and a rotating piece having an outer shape formed by the notch and the support portion and capable of rotating while being supported by the support portion. The handle mechanism includes a first handle portion in which the support portion extends along the raised portion, and the rotating piece is rotatable toward the raised portion of the raised portion. There is.

According to the packing material according to the present invention, the rotating piece of the handle is configured to rotate toward the raised portion where the binding member is arranged in the recessed portion. It is possible to increase the degree of freedom in arranging the handle portion while suppressing separation of the piece and damage around the rotating piece. Therefore, a packaging material with improved usability can be obtained.

1 is a perspective view showing a packing material according to Embodiment 1 of the present invention; FIG. FIG. 2 is a perspective view showing a state in which some members of the packing material according to Embodiment 1 of the present invention are removed; 1 is a perspective view of a floor case according to Embodiment 1 of the present invention; FIG. 1 is a plan view of a floor case according to Embodiment 1 of the present invention; FIG. FIG. 4 is a back view of the floor case according to Embodiment 1 of the present invention; FIG. 2 is a diagram schematically showing a cross section of part of the floor case according to Embodiment 1 of the present invention; FIG. 2 is an enlarged perspective view showing a first handle portion according to Embodiment 1 of the present invention; FIG. 2 is an enlarged perspective view showing a first handle portion according to Embodiment 1 of the present invention; FIG. 4 is a plan view showing an enlarged second handle portion according to Embodiment 1 of the present invention; FIG. 4 is an enlarged perspective view showing a second handle portion according to Embodiment 1 of the present invention; FIG. 4 is an enlarged perspective view showing a second handle portion according to Embodiment 1 of the present invention; FIG. 4 is an enlarged perspective view showing a second handle portion according to Embodiment 1 of the present invention; FIG. 4 is an enlarged perspective view showing a third handle portion according to Embodiment 1 of the present invention; FIG. 4 is an enlarged perspective view showing a third handle portion according to Embodiment 1 of the present invention; 1 is an exploded view of a floor case according to Embodiment 1 of the present invention; FIG. FIG. 4 is a perspective view showing a state in the middle of assembling the floor case according to Embodiment 1 of the present invention; FIG. 4 is a perspective view showing a state in the middle of assembling the floor case according to Embodiment 1 of the present invention; FIG. 10 is a perspective view of a floor case of a packing material according to Embodiment 2 of the present invention; FIG. 10 is a plan view of a floor case of a packing material according to Embodiment 2 of the present invention; FIG. 5 is a partially enlarged view of a floor case of the packing material according to Embodiment 2 of the present invention; FIG. 5 is an exploded view of a floor case according to Embodiment 2 of the present invention; FIG. 8 is a perspective view showing a state in the middle of assembling a floor case according to Embodiment 2 of the present invention;

EMBODIMENT OF THE INVENTION Below, embodiment of the packing material in this invention is described in detail based on drawing. It should be noted that the present invention is not limited by the embodiments described below. Also, in the following drawings, the size and shape of each component may differ from the actual device.

Embodiment 1.
FIG. 1 is a perspective view showing a packing material according to Embodiment 1 of the present invention. FIG. 2 is a perspective view showing a state in which some members are removed from the packing material according to Embodiment 1 of the present invention. A packing material 1 is for packing an object 2 to be packed, and includes a floor case 10, a top case 20, and a side case 30. - 特許庁The packing material 1 is made of cardboard such as cardboard. The object to be packed 2 is, for example, a refrigerator. FIG. 1 shows the packing material 1 from the front side of the item 2 to be packed. FIG. 2 shows a state in which the top case 20 and the side cases 30 are removed from the rear side of the object 2 to be packed. The floor case 10 is a packing material arranged on the bottom surface of the packing material 1 and has a rectangular shape as a whole. The top case 20 is a packing material arranged on the upper surface of the packing material 1 and has a rectangular shape as a whole. The floor case 10 and the top case 20 have substantially the same shape and substantially the same size. The side case 30 is a packing material arranged on the side surface of the packing material 1 and arranged between the floor case 10 and the top case 20 . The object to be packed 2 is placed on the floor case 10 . The top surface of the item to be packed 2 is covered with a top case 20, and the side surface of the item to be packed 2 is covered with a side case 30 over the entire circumference. The band 40 is a binding member that fixes the floor case 10, the top case 20, and the side cases 30 together. In Embodiment 1, three bands 40 are provided, each extending in the lateral direction of floor case 10 and top case 20 and vertically extending in side case 30 . , the side case 30, and the top case 20.

1 and 2, the X direction indicates the lateral direction of the floor case 10 and the top case 20, the Y direction indicates the longitudinal direction of the floor case 10 and the top case 20, and the Z direction indicates the packaging material 1. and the vertical direction of the object 2 to be packed. Also in other drawings used in the following description, the directions indicated by the X direction, Y direction, and Z direction are the same as in FIGS. 1 and 2. FIG.

As shown in FIG. 2, the object to be packed 2 is covered with a transparent vinyl film 50. As shown in FIG. Top cushioning materials 51 and 52 are in contact with the edges extending in the longitudinal direction of the upper portion of the object 2 to be packed.

FIG. 3 is a perspective view of the floor case according to Embodiment 1 of the present invention. FIG. 4 is a plan view of the floor case according to Embodiment 1 of the present invention. 5 is a back view of the floor case according to Embodiment 1 of the present invention. FIG. FIG. 6 is a diagram schematically showing a cross section of part of the floor case according to Embodiment 1 of the present invention. FIG. 6 shows the floor case 10 cut along the line AA in FIG. 5 from the direction of the arrows. The floor case 10 has a flat portion 11 , a side wall portion 12 , a side wall portion 13 , a side wall portion 14 and a side wall portion 15 . The flat portion 11 has a rectangular shape. The flat portion 11 has a first surface 11A facing the object 2 to be packed when the object 2 is packed, and a second surface 11B opposite to the first surface 11A and facing outward. ing. In the following description, when simply referred to as the lateral direction, it is the lateral direction of the plane portion 11 and the floor case 10, and when simply referred to as the longitudinal direction, it is the longitudinal direction of the plane portion 11 and the floor case 10. . A side wall portion 12 and a side wall portion 13 are provided on a pair of edge portions extending in the lateral direction of the edge portions of the first surface 11</b>A of the plane portion 11 . The side wall portion 12 is positioned on the front side shown in FIG. 1, and the side wall portion 13 is positioned on the rear side shown in FIG. The side wall portion 12 and the side wall portion 13 protrude upward. A side wall portion 14 and a side wall portion 15 are provided on a pair of edge portions extending in the longitudinal direction of the edge portions of the first surface 11</b>A of the plane portion 11 . The side wall portion 14 and the side wall portion 15 protrude upward.

<Protrusion>
A first raised portion 60 , a second raised portion 70 and a third raised portion 80 are formed on the flat portion 11 . The first raised portion 60, the second raised portion 70, and the third raised portion 80 extend parallel to the lateral direction. As shown in FIGS. 3 to 5, the first raised portion 60 is formed at a position closer to the side wall portion 13 than the center of the flat portion 11 in the longitudinal direction. The third raised portion 80 is formed at a position closer to the side wall portion 12 than the center of the flat portion 11 in the longitudinal direction. The second raised portion 70 is formed between the first raised portion 60 and the third raised portion 80 in the longitudinal direction of the flat portion 11 .

As shown in FIG. 6, the first protrusion 60 protrudes toward the bottom surface, which is one surface of the item to be packed 2, that is, upward. The first raised portion 60 includes a convex portion 61 formed in a convex shape on the first surface 11A of the flat portion 11 and a concave portion formed in a concave shape on the second surface 11B of the flat portion 11 to form a groove. a portion 62; A band 40 is arranged in the concave portion 62 . The second protruding portion 70 and the third protruding portion 80 also have the same configuration as the first protruding portion 60, and the band 40 is arranged in a recess formed in the second surface 11B.

<Floor cushioning material>
A pair of longitudinally extending edge portions of the planar portion 11 are provided with a floor cushioning material 90 and a floor cushioning material 91 . The floor cushioning material 90 is arranged along the side wall portion 14 . The floor cushioning material 91 is arranged along the side wall portion 15 . The object to be packed 2 is placed on the floor case 10 so that the edges of the object 2 are in contact with the floor cushioning materials 90 and 91 . In this manner, a space is formed between the bottom surface of the object to be packed 2 and the first surface 11A of the flat portion 11 of the floor case 10 in the state where the object to be packed 2 is placed.

<handle mechanism>
On the plane portion 11, as a handle mechanism, a first handle portion 100 and a first handle portion 110, a second handle portion 120 and a second handle portion 130, a third handle portion 140 and a third A handle 150 is provided. The first handle portion 100 and the first handle portion 110 are provided along the second raised portion 70 between the first raised portion 60 and the second raised portion 70 . The second handle portion 120 and the second handle portion 130 are provided between the second raised portion 70 and the third raised portion 80 at a position closer to the third raised portion 80 than to the second raised portion 70. ing. The second handle portion 120 is provided at the corner where the floor cushioning material 90 and the third raised portion 80 intersect. The second handle portion 130 is provided at the corner where the floor cushioning material 91 and the third raised portion 80 intersect. The third handle portion 140 and the second handle portion 150 are provided between the first protruding portion 60 and the second protruding portion 70 at a position closer to the first protruding portion 60 than to the second protruding portion 70. . The third handle portion 140 is provided along the floor cushioning material 90 . The third handle portion 150 is provided along the floor cushioning material 91 .

<First handle>
7 and 8 are enlarged perspective views of the first handle portion according to Embodiment 1 of the present invention. As shown in FIG. 7 , the first handle portion 110 has a notch 111 formed in the plane portion 11 and a support portion 112 connected to the plane portion 11 . In FIG. 7, the notch 111 is indicated by a solid line and the support portion 112 is indicated by a broken line. The support portion 112 extends along the second raised portion 70 . The notch 111 includes a parallel portion 111A extending parallel to the support portion 112, and extension portions 111B and 111C extending between both ends of the parallel portion 111A and the support portion 112. As shown in FIG. The notch 111 and the support portion 112 form an outer shape of a rotating piece 113 having a substantially rectangular shape as a whole. The rotating piece 113 is separated from the flat portion 11 by a notch 111 and is rotatable while being supported by the supporting portion 112 . FIG. 7 shows a state in which the rotating piece 113 is positioned on the same plane as the plane portion 11. As shown in FIG. In other words, of the pair of side portions extending in the longitudinal direction of the rotating piece 113 , the side portion closer to the second raised portion 70 is connected to the flat portion 11 as the support portion 112 . Therefore, as shown in FIG. 8, when an external force is applied to the rotating piece 113 toward the inside of the packing material 1, i.e., toward the object to be packed 2, the rotating piece 113 is supported by the support portion 112 and moves toward the second position. It is pivoted towards the ridge 70 and pushed. At this time, the rotating piece 113 can come into contact with the second protrusion 70 .

When using the first handle 110, the carrier rotates the rotating piece 113 in the manner described above and inserts a hand or a finger into the opening formed thereby. At that time, the rotating piece 113 is supported by the second protrusion 70 . Therefore, even if an external force is applied to the periphery of the opening, separation of the rotating piece 113, damage to the peripheral portion of the rotating piece 113, and damage to the edge of the opening described above can be suppressed. That is, the second raised portion 70 functions as a reinforcing member for the first handle portion 110 .

The first handle portion 100 shown in FIGS. 3 to 5 has a similar configuration. That is, the first handle portion 100 is provided with a support portion corresponding to the support portion 112 of the first handle portion 110 along the second raised portion 70, and the second raised portion 70 extends from the first handle portion. It functions as a reinforcing member of 100.

<Second handle>
FIG. 9 is a plan view showing an enlarged second handle portion according to Embodiment 1 of the present invention. The second handle portion 130 has a first cut 131 , a second cut 132 , a third cut 133 , a first support portion 134 and a second support portion 135 . In FIG. 9, the first cut 131, the second cut 132, and the third cut 133 are indicated by solid lines, and the first support portion 134 and the second support portion 135 are indicated by broken lines. The first support portion 134 extends along the floor cushioning material 91 shown in FIGS. The second support 135 runs along the third raised portion 80 shown in FIGS. The first notch 131 includes a parallel portion 131A extending parallel to the first support portion 134 and an extension portion 131B extending between the end portion of the parallel portion 131A on the side of the second raised portion 70 and the first support portion 134. contains. The second notch 132 includes a parallel portion 132A extending parallel to the second support portion 135 and an extension portion 132B extending between the second support portion 135 and the end of the parallel portion 132A on the floor cushioning material 90 side. contains. The parallel portion 131A of the first cut 131 and the parallel portion 132A of the second cut 132 intersect. The third notch 133 includes extensions 133A and 133B. The extension portion 133A extends between the crossing portion of the parallel portion 131A and the parallel portion 132A and the end portion of the first support portion 134 on the side of the third raised portion 80 . The extension portion 133B extends between the end of the first support portion 134 on the third raised portion 80 side and the end of the second support portion 135 on the floor cushioning material 91 side.

The first support portion 134, the first notch 131, and the extension portion 133A of the third notch 133 form the outer shape of the first rotating piece 136 having a generally rectangular shape as a whole. The second support portion 135, the second notch 132, and the extended portion 133B of the third notch 133 form the outer shape of the second pivoting piece 137 having a generally rectangular shape as a whole. The first rotating piece 136 is separated from the plane portion 11 by the first notch 131 and the extension portion 133A of the third notch 133, and is rotatable while being supported by the first support portion . The second rotating piece 137 is separated from the plane portion 11 by the second notch 132 and the extension portion 133B of the third notch 133, and can rotate while being supported by the second support portion 135. As shown in FIG.

10 to 12 are enlarged perspective views showing the second handle portion according to Embodiment 1 of the present invention. FIG. 10 shows a state in which the first rotating piece 136 and the second rotating piece 137 are positioned on the same plane as the plane portion 11 . Of the pair of side portions extending in the longitudinal direction of the first rotating piece 136 , the side portion closer to the floor cushioning material 91 is connected to the plane portion 11 as the first support portion 134 . Of the pair of side portions extending in the longitudinal direction of the second rotating piece 137 , the side portion closer to the third raised portion 80 is connected to the flat portion 11 as a second support portion 135 . When an external force is applied to the second rotating piece 137 toward the inner side of the packing material 1, that is, toward the side of the object 2 to be packed, the second rotating piece 137 is supported by the second supporting portion 135 while the third raised portion 80 moves upward. Rotate toward. Then, as shown in FIG. 11, the second rotating piece 137 is pushed. At this time, the second rotating piece 137 can come into contact with the third raised portion 80 . Furthermore, when an external force is applied to the first rotating piece 136 toward the inside of the packing material 1, i.e., toward the side of the object to be packed 2, the first rotating piece 136 is supported by the first support portion 134, and the floor surface cushions the floor surface. It rotates toward the material 91 . Then, as shown in FIG. 12, the first rotating piece 136 is also pushed. At this time, the first rotating piece 136 can come into contact with the floor cushioning material 91 .

When using the second handle 130, the carrier rotates the first rotating piece 136 and the second rotating piece 137 in the manner described above, and inserts a hand or a finger into the opening formed thereby. do. At this time, the first rotating piece 136 is supported by the floor cushioning material 91 , and the second rotating piece 137 is supported by the third raised portion 80 . Therefore, even if an external force is applied to the periphery of the opening, the first and second rotating pieces 136 and 137 are detached, the peripheral portions of the first and second rotating pieces 136 and 137 are damaged, and Damage to the edges of the opening is suppressed. In other words, the floor cushioning material 91 and the third raised portion 80 function as reinforcing members for the second handle portion 130 .

The second handle portion 120 also has a configuration similar to that of the second handle portion 110 . That is, the second handle portion 120 has a support portion corresponding to the first support portion 134 of the second handle portion 130 along the floor surface cushioning material 90 and corresponding to the second support portion 135 of the second handle portion 130 . A supporting portion is formed along the third groove. Therefore, the floor cushioning material 90 and the third raised portion 80 function as reinforcing members for the second handle portion 120 .

<Third handle>
13 and 14 are enlarged perspective views showing the third handle portion according to Embodiment 1 of the present invention. As shown in FIG. 13, the third handle portion 150 has a notch 151 formed in the flat portion 11 and a support portion 152 connected to the flat portion 11 on the side of the first surface 11A. . The support portion 152 extends along the floor cushioning material 91 . The notch 151 includes a parallel portion 151A extending parallel to the support portion 152, and extension portions 152B and 152C extending between both ends of the parallel portion 151A and the support portion 152. As shown in FIG. The notch 151 and the support portion 152 form an outer shape of a rotating piece 153 having a substantially rectangular shape as a whole. FIG. 13 shows a state in which the rotating piece 153 is positioned on the same plane as the plane portion 11. As shown in FIG. In other words, of the pair of side portions extending in the longitudinal direction of the rotating piece 153 , the side portion closer to the floor surface cushioning material 91 is connected to the flat portion 11 as the support portion 152 . Therefore, as shown in FIG. 14, when an external force is applied to the rotating piece 153 toward the inside of the packing material 1, i.e., toward the object to be packed 2, the rotating piece 153 is supported by the support portion 152 and moves toward the floor surface. It rotates toward the cushioning material 91 and is pushed. At this time, the rotating piece 153 can come into contact with the floor cushioning material 91 .

When using the third handle 150, the carrier rotates the rotating piece 153 in the manner described above and inserts a hand or a finger into the opening formed thereby. At that time, the rotating piece 153 is supported by the floor cushioning material 91 . Therefore, even if an external force is applied to the periphery of the opening, the detachment of the rotating piece 153, damage to the peripheral portion of the rotating piece 153, and damage to the edge of the opening described above can be suppressed. That is, the floor cushioning material 91 functions as a reinforcing member for the third handle portion 150 .

The third handle portion 140 shown in FIGS. 4 and 5 has a similar configuration. That is, the third handle portion 140 is provided so that a support portion corresponding to the support portion 152 of the third handle portion 150 is along the floor cushioning material 90, and the floor cushioning material 90 is attached to the third handle portion. It functions as a reinforcing member for 140.

<Assembly procedure>
FIG. 15 is an exploded view of the floor case according to Embodiment 1 of the present invention. 16 and 17 are perspective views showing a state in the middle of assembling the floor case according to Embodiment 1 of the present invention. Here, a part of the procedure for assembling the floor case 10 will be described with reference to FIGS. 15 to 17. FIG. In the following description, a valley line is a line that is folded to form a valley, and a crest line is a line that is folded to form a peak.

As shown in FIG. 15, a valley line 12A, a valley line 12B, and a valley line 12C are formed in a portion that will become the side wall portion 12 after assembly. A rectangular notch 12E is formed at the edge of the part that becomes the inner surface 12D of the side wall 12 after assembly. A trough line 15A, a trough line 15B, and a trough line 15C are formed in a portion that becomes a part of the side wall portion 15 after assembly. A ridge line 80A, a ridge line 80B, a trough line 80C, and a trough line 80D are formed in a portion that will become the third raised portion 80 after assembly.

By folding the trough lines 15A, 15B, and 15C to form troughs, a first wall element 161 and a second wall element 162, which are part of the side wall 15, are formed as shown in FIG. stand up. At the same time, the connecting portion 161A connected to the side wall portion 12 is positioned parallel to the lateral direction.

The sidewalls 12 are formed by folding the valley lines 12A and 12B to form valleys and folding the valley lines 12B and 12C to form valleys. FIG. 16 shows a state in which the side wall portion 12 is being formed. In addition, the inner surface 12D of the side wall portion 12 is arranged inside the floor case 10 with respect to the connection portion 15F. The portion that will become the side wall portion 13 after assembly also has valley lines in the same manner as the portion that will become the side wall portion 12 after assembly, and the side wall portion 13 is formed by folding each valley line.

By folding the mountain lines 80A and 80B to form peaks and folding the valley lines 80C and 80D to form valleys, the third protuberance 80 is formed as shown in FIG. It is formed. The portion that will become the first protruding portion 60 and the portion that will become the second protruding portion 70 after assembly also have crest lines and valley lines in the same manner as the portion that will become the third protruding portion 80 after assembling. By folding each peak line and each valley line, the first ridge 60 and the second ridge 70 are formed in the same manner as the third ridge 80 .

When the side wall portion 12 is formed, as shown in FIG. 17, the protrusion 91A formed at one end of the floor cushioning material 91 is formed in the notch portion 12E formed in the inner surface 12D of the side wall portion 12. inserted and attached. The other end portion of the floor cushioning material 91 is also attached to the side wall portion 13 in the same manner. Both ends of the floor cushioning material 90 are also attached to the side walls 12 and 13 in the same manner.

According to the first embodiment, the first handle portion 100 and the first handle portion are provided not only along the side walls of the floor case 10 but also near the center of the plane portion 11 of the floor case 10 . 110 is provided. Then, as described above, the second raised portion 70 on which the band 40 is arranged functions as a reinforcing member for the first handle portion 100 and the first handle portion 110 . That is, there is no need to prepare new reinforcing members for the first handle portion 100 and the first handle portion 110 . As described above, according to Embodiment 1, the degree of freedom in forming the handle hole is increased while ensuring the strength around the handle hole without adding a dedicated reinforcing member. Therefore, the usability of the floor case 10 is improved. Moreover, since no additional reinforcing member is required, an increase in the number of parts can be suppressed.

Embodiment 2.
FIG. 18 is a perspective view of a floor case of a packing material according to Embodiment 2 of the present invention. FIG. 19 is a plan view of the floor case of the packing material according to Embodiment 2 of the present invention. In FIGS. 18 and 19, the same reference numerals are given to the same components as those of the first embodiment. Detailed descriptions of the same components as those of the first embodiment are omitted. The side wall portion 25 has a first wall element 251 , a second wall element 252 , a third wall element 253 and a fourth wall element 254 . The first wall element 251 constitutes the side wall portion 25 in the region between the third raised portion 80 and the side wall portion 12 . The second wall element 252 constitutes the side wall portion 25 in the region between the third raised portion 80 and the second raised portion 70 . The third wall element 253 constitutes the side wall 25 in the region between the second raised portion 70 and the first raised portion 60 . The fourth wall element 254 forms the side wall portion 25 in the region between the first raised portion 60 and the side wall portion 13 .

The edge of the first wall element 251 on the side of the second wall element 252 is provided with an overlapping piece 251A extending toward the second wall element 252 . In the third wall element 253, the edge on the second wall element 252 side is provided with an overlapping piece 253A extending toward the second wall element 252, and the edge on the fourth wall element 254 side is provided with a third wall element 253A. An overlapping piece 253B is provided which extends towards the four-wall element 254 .

FIG. 20 is a partially enlarged view of the floor case of the packing material according to Embodiment 2 of the present invention. FIG. 20 shows the periphery of the third wall element 253 from above. The third wall element 253 is positioned outside the second wall element 252 and the fourth wall element 254 . The end portion of the second wall element 252 on the side of the third wall element 253 and the overlapped piece 253A of the third wall element 253 are overlapped to form an overlapped portion 255 . The end portion of the fourth wall element 254 on the side of the third wall element 253 and the overlapping piece 253B of the third wall element 253 are overlapped to form an overlapping portion 256 . Similarly, an overlapping portion 257 is formed at the overlapping piece 251A of the first wall element 251 and the end portion of the second wall element 242 on the first wall element side, as shown in FIGS.

FIG. 21 is an exploded view of a floor case according to Embodiment 2 of the present invention. FIG. 22 is a perspective view showing a state in the middle of assembling the floor case according to Embodiment 2 of the present invention. In FIG. 21, the same reference numerals are assigned to the same components as those in the first embodiment. Detailed descriptions of the same components as those of the first embodiment are omitted. A trough line 25A, a trough line 25B, a trough line 25C, a trough line 25D, and a trough line 25E are formed in a portion that becomes a part of the side wall portion 15 after assembly.

By folding the trough lines 25A and 25B to form troughs, the first wall element 251 rises as shown in FIG. Also, by folding the valley line 25C so as to form a valley portion, the second wall element 252 rises as shown in FIG. Further, by folding the valley line 25D so as to form a valley portion, the third wall element 253 rises as shown in FIG. As a result, the overlapping piece 251A of the first wall element 251 and the end of the second wall element 252 on the side of the first wall element 251 overlap each other, and the overlapping piece 253A of the third wall element 253 and the third wall element 252 of the second wall element 252 overlap each other. The ends on the side of the wall element 253 overlap. As a result, overlapping portions 255 shown in FIGS. 19 and 20 and overlapping portions 257 shown in FIG. 19 are formed. Similarly, by folding valley line 25E to form a valley, fourth wall element 254 rises. As a result, the overlapping piece 253B of the third wall element 253 and the end of the fourth wall element 254 on the side of the third wall element 253 overlap each other. As a result, the overlapping portion 256 shown in FIGS. 19 and 20 is formed.

The side wall portion 24 also has the same configuration as that of the side wall portion 25 .

According to the second embodiment, in some wall elements of the side wall portion 25, by forming pieces extending toward the adjacent wall elements, overlapped portions 255, 256, and 256 where the plurality of wall elements overlap. and an overlapping portion 257 are formed. Therefore, the strength of the side wall portion 25 can be improved without adding a special reinforcing member.

Although the floor case 10 of the packing material 1 has been described in the first and second embodiments, the present invention is not limited to this. The top case 20 and the side cases 30 may be configured in the same manner as the floor case 10 described above. Further, one or two of the floor case 10, the top case 20, and the side case 30 may be configured as described in the first and second embodiments.

1 packing material 2 object to be packed 10 floor case 11 plane portion 11A first surface 11B second surface 12 side wall portion 12A valley line 12B valley line 12C valley line 12D inner surface 12E notch , 13 side wall portion, 14 side wall portion, 15 side wall portion, 15A valley line, 15B valley line, 15C valley line, 15F connection portion, 20 top case, 24 side wall portion, 25 side wall portion, 25A valley line, 25B valley line, 25C valley line, 25D valley line, 25E valley line, 30 side case, 40 band, 50 vinyl film, 51 top surface cushioning material, 52 top surface cushioning material, 60 first raised portion, 61 convex portion, 62 concave portion, 70 second raised portion, 80 third raised portion, 80A mountain line, 80B mountain line, 80C valley line, 80D valley line, 90 floor cushioning material, 91 floor cushioning material, 91A convex portion, 100 first handle portion , 110 first handle portion, 111 notch, 111A parallel portion, 111B extension portion, 111C extension portion, 112 support portion, 113 rotating piece, 120 second handle portion, 130 second handle portion, 131 first notch , 131A parallel portion, 131B extension portion, 132 second cut, 132A parallel portion, 132B extension portion, 133 third cut, 133A extension portion, 133B extension portion, 134 first support portion, 135 second support portion, 136 first Rotating piece 137 Second rotating piece 140 Third handle portion 150 Third handle portion 151 Notch 151A Parallel portion 152 Support portion 152B Extension portion 152C Extension portion 153 Rotating piece 161 1st wall element 161A connecting part 162 second wall element 242 second wall element 251 first wall element 251A overlapping piece 252 second wall element 253 third wall element 253A overlapping piece 253B overlapping piece , 254 fourth wall element, 255 overlap, 256 overlap, 257 overlap.

Claims (6)

A packing material covering one surface of an object to be packed,
a flat portion arranged along the one surface of the object to be packed;
A convex portion formed in a convex shape on a first surface of the flat portion facing the object to be packed, and a groove portion formed in a concave shape on a second surface opposite to the first surface of the flat portion. a raised portion comprising a recessed portion, wherein a binding member for securing the packaging material is disposed in the recessed portion;
and a handle mechanism provided on the flat portion,
The handle mechanism includes:
a notch formed in the planar portion;
a support portion connected to the first surface of the planar portion;
An outer shape is formed by the cutout and the support portion, and a rotating piece capable of rotating while being supported by the support portion is provided,
The handle mechanism includes:
The packing material includes a first handle portion in which the supporting portion extends along the raised portion, and the rotating piece is rotatable toward the convex portion of the raised portion. The planar portion has a rectangular shape,
cushioning material provided on a pair of edge portions extending in parallel in the same direction on the first surface of the flat portion, the protrusion extending in a direction intersecting the cushioning material contacting the object to be packed; The convex portion of the part is formed,
The handle mechanism includes a second handle provided at a corner where the cushioning material and the convex portion intersect,
The second handle is
As the support portion, a first support portion extending along the cushioning material and a second support portion extending along the raised portion,
The rotating piece includes a first rotating piece that can rotate toward the cushioning material and a second rotating piece that can rotate toward the convex portion of the raised portion. The packing material according to item 1. The planar portion has a rectangular shape,
The handle mechanism includes cushioning materials provided at a pair of edge portions extending in parallel in the same direction on the first surface of the flat portion, and the support is provided along the cushioning materials contacting the object to be packed. 2. The packaging material of claim 1, including a third handle portion extending from the third handle portion so that said pivot piece can be pivoted toward said cushioning material. 2. The first handle portion is configured such that the rotating piece can come into contact with the convex portion when the rotating piece rotates toward the convex portion of the raised portion. Packing materials as described. In the second handle portion, when the first rotating piece rotates toward the cushioning material, the first rotating piece can come into contact with the cushioning material, and the second rotating piece is raised. 3. The packing material according to claim 2, wherein said second rotating piece can come into contact with said convex portion when rotated toward said convex portion of said portion. 4. The packing material according to claim 3, wherein the third handle portion is configured such that the rotating piece can come into contact with the cushioning material when the rotating piece rotates toward the cushioning material.

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