TWM524335U - Packaging material and package - Google Patents

Description

Bundles and bundles

The utility model relates to a packaging material and a packaging body which are bundled with a panel-shaped packaged object.

Previously, as a packaging material to be packaged with a package, the container body and the lid body were used. A housing recess for accommodating the packaged object through the opening is formed in an upper portion of the container body, and the cover covers the packaged object exposed from the housing recess.

For example, when a panel-shaped package such as a glass substrate is bundled, a plurality of layers of the same size are stacked via a paper pad, and are accommodated in a housing recess of the container body.

Patent Document 1 discloses a structure in which a groove is provided on an inner surface of a side wall portion of a cartridge body portion to abut against an end portion of a glass substrate housed in the cartridge body portion, and the contact member for protecting the glass substrate is locked. In this groove, it is possible to attach and detach with respect to the cartridge main body. [Prior Art Document] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2008-280062

[Problems to be solved by utility models]

In the case of the structure shown in Patent Document 1, since the groove is provided in the side wall portion of the cartridge main portion, the thickness of the side wall portion is reduced in the portion of the groove, and the strength of the side wall portion is lowered. The present invention has been made in view of the above circumstances, and an object thereof is to provide a packaging material and a package body having a structure in which the strength of the side wall portion can be reduced and the spacer can be maintained in a normal posture state. [Means for solving the problem]

In order to achieve the above object, the packaging material of the present invention is used for packaging a packaged article having a plate-shaped body, the packaged material comprising: a container body having a receiving recess having a rectangular shape a bottom portion of the shape and a side wall portion rising from the periphery of the bottom portion and sized to horizontally accommodate the packaged object; and a spacer detachably attached to the container body, and the bundled body is bundled Disposed between the side wall portion of the container body and the side portion of the packaged object when the object is horizontally disposed in the receiving recess, the container body includes a groove along the side wall portion a bottom surface of the receiving recess; and a fitting groove recessed in a side surface of the recess facing the side wall portion and having one end open at a bottom surface of the receiving recess, the spacer comprising: a wall portion disposed to face the inner side surface of the side wall portion; an insertion portion provided to be coupled to the lower portion of the vertical wall portion and inserted into the groove; and a fitting portion protruding from the insertion portion and fitted to the portion The fitting groove is described.

According to the present invention, since the fitting groove is provided on the opposite side faces of the groove, the groove depth of the fitting groove can be deepened, and the fitting portion of the spacer can be deeply fitted. Therefore, the movement of the spacer with respect to the container body can be suppressed, thereby being surely held at a predetermined position. Moreover, it is possible to prevent a decrease in strength due to the formation of the groove at the side wall portion as before.

Further, it is preferable that at least one convex portion is provided on the opposite side faces of the groove, and the convex portion urges the insertion portion inserted into the groove toward a direction away from the opposite side faces of the groove. According to this configuration, when the insertion portion of the spacer is inserted into the recess of the container body and the fitting portion is fitted into the fitting groove, the insertion portion of the spacer is provided on at least one of the opposite side faces of the groove. The convex portion is urged in a direction away from the opposite side faces of the groove. Therefore, the pulling force acts on the fitting portion, and the spacer is fixed to the container body in a stable state, thereby preventing occurrence of rattling and making it difficult for the fitting portion to be pulled out from the fitting groove.

The packaging material of the present invention is characterized in that the fitting groove has a concave shape in which the groove width in the groove depth direction is narrower than the groove width on the back side in the groove depth direction, and the fitting portion has the front end portion of the fitting portion rather than the fitting groove. The groove in the groove depth direction is wider than the groove on the front side and has a convex shape narrower than the groove width on the inner side in the groove depth direction of the fitting groove.

According to the present invention, by pulling the insertion portion of the spacer in a direction away from the opposite side faces of the groove, the fitting portion is pulled from the back side to the front side in the groove depth direction of the fitting groove. Force plays a role. Therefore, the spacer is fixed to the container body in a stable state, which prevents the occurrence of rattling and makes it difficult for the fitting portion to be pulled out from the fitting groove. [effect of utility model]

According to the present invention, the strength of the side wall portion is not lowered and the spacer can be surely held at a regular position. Therefore, for example, it is possible to prevent the vertical wall portion of the spacer from being tilted so as to be tilted from the normal posture state along the side wall portion of the container body to the housing recess, thereby accommodating the packaged object.

Hereinafter, an embodiment of the packaging material of the present invention will be described in detail based on the drawings. Fig. 1 is a perspective view schematically showing an embodiment of a packaging material according to the present invention, and Fig. 2 is an exploded perspective view showing a container body and a spacer of the packaging material according to the embodiment of the present invention, and Fig. 3 is a spacer. Fig. 4(a) is a cross-sectional view taken along line AA of Fig. 3, Fig. 4(b) is an enlarged view of a portion B of Fig. 4(a), and Fig. 5 is an enlarged view of a portion B of Fig. 4(a) Stereo picture. The packing material 1 is a packaging material for binding the packaged articles having the plate-shaped body. Specifically, as shown in FIG. 1, the packaging material 1 is bundled by superimposing a plurality of packages P1.

The bale material 1 includes a lid body 10 and a container body 20. The material of the lid body 10 and the container body 20 is preferably a foam molded body of a thermoplastic resin. Examples of the thermoplastic resin include a polystyrene resin, a polyolefin resin (for example, a polypropylene resin, a polyethylene resin), and a polyester resin (for example, polyethylene terephthalate or polyterephthalic acid). A single resin or a resin obtained by compounding a plurality of resins can be used as the butadiene ester, polyethylene naphthylate or polylactic acid, or a polycarbonate resin. In the case where the packaged material is a glass panel or an electronic component, the foaming raw material which has been subjected to an antistatic treatment is, for example, EPS (ESLEN (registered trademark) beads NSDLM manufactured by Sekisui Chemicals Co., Ltd.). ), PIOCELAN (registered trademark) L series (LP-30ENTR, etc.), O series (OP-15ENS), S series (SP-40DNT), etc.

As shown in FIG. 1, the lid body 10 has dimensions corresponding to the size of the container body 20 in the short-side direction and the longitudinal direction, and a pair of grooved grooves 18 are formed on the surface of the lid body 10 along the short-side direction and the thickness direction. The outer peripheral edge 11 of the back surface side of the lid body 10 protrudes from the back surface so as to be a ridge, and is fitted to the outer edge groove 22b formed in the opening end portion (opening portion) 22a of the housing recess portion 21 to be described later. Outside. Therefore, the container body 20 can be covered by the lid body 10 so that the opening end portion 22a formed in the housing recessed portion 21 of the container body 20 can be sealed.

The container body 20 has a rectangular bottom portion 23 and a side wall portion 24 rising from the periphery of the bottom portion 23. In the center of the container body 20, a bottom portion 23 and a side wall portion 24 form a housing recess capable of horizontally receiving the packaged object. twenty one. The pair of grooved grooves 28 are formed on the outer surface (lower surface) of the bottom portion 23 and the outer side surface of the side wall portion 24 so as to be connected to the groove 18 of the lid body 10 at the time of packaging.

The housing recess 21 has a rectangular bottom surface 21a on which the package P1 is placed. As shown in FIG. 2, the bottom surface 21a of the housing recess 21 has a recess 21b, a recess 21b, and a recess 21d recessed in a U-shape along the side wall portion 24. The groove 21b and the groove 21b are provided in a paired manner on both sides in the longitudinal direction of the container body 20, and a spacer (protective member) conforming to the shape of the packaged object accommodated in the housing recess 21 is detachably attached. 40. Spacer (protective member) 40. The groove 21d is provided on one side in the short-side direction of the container body 20, and a spacer (protecting member) 50 and a spacer (protecting member) 50 that conform to the shape of the packaged object accommodated in the housing recess 21 are detachably attached. .

As shown in FIG. 3, the recess 21b of the container main body 20 extends in the short side direction of the bottom surface 21a in the housing recess 21, and one end communicates with the corner recess 21f, and the other end communicates with the corner recess 21g. As shown in FIG. 4(a), the groove 21b has a groove bottom surface parallel to the bottom surface 21a, and a pair of side surfaces which are opposite to each other on the both sides in the groove width direction of the groove bottom surface and are perpendicular to the bottom surface 21a. Further, one of the pair of side faces of the recess 21b is continuously formed in the same plane as the inner side surface of the side wall portion 24. Further, on the other side surface, that is, the opposing side surface 21j on the side opposite to the side wall portion 24 (on the center side of the bottom surface 21a), a fitting groove 21c (see FIG. 3) is recessed.

As shown in FIG. 3, the fitting groove 21c has a groove depth d from the opposite side surface 21j toward the center side of the bottom surface 21a, and the groove width in the groove depth direction near the front side of the fitting groove 21c is narrower than the groove width on the back side in the groove depth direction. Concave shape. The fitting groove 21c extends in a direction orthogonal to the bottom surface 21a, and one end in the longitudinal direction of the groove is opened in the bottom surface 21a of the housing recess 21, and the fitting portion 43 of the spacer 40 is inserted and fitted in the longitudinal direction of the groove from the side of the bottom surface 21a. The fitting grooves 21c are arranged in pairs at a position spaced apart from each other by a predetermined distance from the center in the short-side direction of the groove 21b. The fitting groove 21c can make the groove depth d deeper than in the case where it is provided in the side wall portion as before. Therefore, the fitting portion 43 of the spacer 40 can be fitted deeper, and the rattling of the spacer 40 can be suppressed.

On the opposite side faces 21j of the recess 21b, as shown in Figs. 3 and 4(a) and 4(b), a convex portion 21h for inserting the spacer 40 inserted into the recess 21b is provided. The portion 42 is pressed in a direction away from the opposite side surface 21j. The convex portion 21h is provided at a predetermined interval along the short-side direction of the bottom surface 21a. In the present embodiment, the convex portion 21h is provided at three positions in the vicinity of the center position in the short-side direction and the fitting groove 21c and the fitting groove 21c. As shown in FIG. 5, the convex portion 21h is provided to protrude toward the opposite side surface 21j so as to extend in the groove depth direction of the groove 21b. The cross section of the convex portion 21h has a convex arc shape. Further, the upper end portion of the convex portion 21h has a convex spherical shape.

When the insertion portion 42 of the spacer 40 to be described later is inserted into the recess 21b of the housing recess 21, the side end surface 42a of the insertion portion 42 is disposed to face the opposite side surface 21j of the recess 21b. Further, the convex portion 21h abuts against the side end surface 42a of the insertion portion 42, and the side end surface 42a is pressed away from the opposing side surface 21j by the elastic force of the convex portion 21h. When the pressing of the convex portion 21h to the opposing side surface 21j is to be increased, it is possible to cope with the increase in the size of the convex portion 21h. For example, the size of the convex portion 21h can be increased by making the engraving depth of the corresponding concave portion of the forming mold provided in the container body 20 deeper.

The groove 21d of the container body 20 extends in the longitudinal direction of the bottom surface 21a and extends in the longitudinal direction of the container body 20, and both ends communicate with the corner concave portion 21f and the corner concave portion 21f on both sides in the longitudinal direction. The groove 21d has a groove bottom surface that is parallel to the bottom surface 21a, and a pair of side surfaces that rise on both sides of the groove bottom surface in the groove width direction. The side surface on the side of the side wall portion 24 of the pair of side faces of the recess 21d rises in a direction orthogonal to the bottom surface of the groove, and becomes a vertical surface which is connected to the inner surface of the side wall portion 24 in the same plane. Further, the opposing side surface 21k facing the side wall portion 24 (on the center side of the bottom surface 21a) rises in a direction orthogonal to the groove bottom surface, and becomes a vertical surface which is connected to the inner surface of the side wall portion 24 in the same plane, and is concave. A fitting groove 21e is provided.

The fitting groove 21e has a groove depth from the opposite side surface 21k toward the center side of the bottom surface 21a, and has a concave shape in which the groove width in the groove depth direction of the fitting groove 21e is narrower than the groove width on the back side in the groove depth direction. The fitting groove 21e extends in a direction orthogonal to the bottom surface 21a, and one end in the longitudinal direction of the groove is opened in the bottom surface 21a of the housing recess 21, and the fitting portion 53 of the spacer 50 is inserted and fitted in the longitudinal direction of the groove from the side of the bottom surface 21a. The fitting groove 21e is provided at two positions in the vicinity of both ends of the groove 21d, and a spacer 50 is attached to one side and the other side of the groove 21d in the longitudinal direction.

A pair of corner portions on the side of the recess 21d where the recess 21d is formed to avoid contact with the corner portion of the panel Pa forms a corner recess 21f and a corner recess 21f, on the side opposite to the side where the recess 21d is formed. The respective corner portions of the side form a pair of concave portions 21g so as to avoid contact with the corner portions of the panel Pa.

The spacers 40 respectively attached to the pair of grooves 21b on both sides in the longitudinal direction of the housing recess 21 have shapes symmetrical to each other. The spacer 40 is detachably attached to the container body 20, and is disposed on the side wall portion 24 of the container body 20 and the packaged article P1 when the packaged object P1 is horizontally disposed on the bottom surface 21a of the housing recess 21. Between the side portions (side portions) Ps2, the longitudinal direction of the panel Pa is positioned to face the short side portion Ps2 of the panel Pa of the packaged object P1. Further, by changing the type of the spacer 40, it is possible to cope with the case where the size of the panel Pa is different.

The spacer 40 includes a vertical wall portion 41 disposed to face the inner side surface of the side wall portion 24, an insertion portion 42 provided to be connected to the lower portion of the vertical wall portion 41 and inserted into the recess 21b, and a fitting portion 43 from the insertion portion 42 protrudes and fits into the fitting groove 21c.

The vertical wall portion 41 extends in the short side direction of the container body 20 at the same height width as the side wall portion 24. Further, the side facing the packaged object P1 has a facing surface 41a that abuts against the short side portion Ps2 of the panel Pa of the packaged object P1 or has a predetermined gap. The opposing surface 41a is perpendicular to the bottom surface 21a of the housing recess 21, and when a plurality of packaged objects P1 are stacked and accommodated in the housing recess 21, the position of the packaged object P1 in the longitudinal direction is positioned.

The insertion portion 42 is bent at a lower portion of the vertical wall portion 41 so that the cross section of the spacer 40 is substantially L-shaped, and is provided to protrude in a direction orthogonal to the vertical wall portion 41, and the front end portion has a groove 21b. The side end faces 42a facing the opposite side faces 21j. The fitting portion 43 protrudes from the side end surface 42a of the insertion portion 42, and the front end portion of the fitting portion 43 is wider than the groove width in the groove depth direction of the fitting groove 21c, and is longer than the groove depth direction of the fitting groove 21c. The groove has a narrow convex shape. The fitting portion 43 is inserted into and fitted into the fitting groove 21c from the end portion of the fitting groove 21c that is opened at the bottom surface 21a of the housing recess 21. The fitting portion 43 is fitted into the fitting groove 21c by fitting into the fitting groove 21c, thereby restricting the movement from the side toward the front side in the depth direction of the groove.

The spacer 40 inserts the insertion portion 42 into the recess 21b of the container body 20, and the vertical wall portion 41 abuts against the side wall portion 24 of the container body 20, and the fitting portion 43 is fitted into the fitting groove 21c, thereby setting The installation state shown in Figure 1. Since the container body 20 is provided with the fitting groove 21c on the opposite side surface 21j of the groove 21b, the groove depth d of the fitting groove 21c can be made deeper and the fitting can be made as compared with the case where the groove is provided in the side wall portion. The portion 43 is more deeply fitted. Therefore, the movement of the spacer 40 with respect to the container body 20 can be suppressed, thereby being surely held at a predetermined position. Moreover, it is possible to prevent a decrease in strength caused by providing a groove in the side wall portion as before.

Further, the spacer 40 presses the side end surface 42a of the insertion portion 42 in a direction away from the opposing side surface 21j of the groove 21b by the elastic force of at least one or more convex portions 21h provided on the opposite side faces 21j of the recess 21b. Therefore, the pulling force applied to the fitting portion 43 fitted in the fitting groove 21c acts in a direction in which the pulling force is pulled in the groove depth direction. Therefore, the spacer 40 is fixed to the container body 20 in a stable state, which prevents the occurrence of sway and is difficult to pull out.

The spacer 50 and the spacer 50 attached to the groove 21d on the one side in the short side direction of the housing recess 21 have the same shape as each other. The spacer 50 is detachably attached to the container body 20, and is disposed on the side wall portion 24 of the container body 20 and the long side portion of the packaged object P1 when the packaged object P1 is horizontally disposed in the housing recess 21 (side) Between the parts Ps1, the longitudinal direction of the panel Pa is aligned with the long side portion Ps1 of the panel Pa of the packaged object P1. Further, by changing the type of the spacer 50, it is possible to cope with the case where the size of the panel Pa is different. In addition, the side wall portion 24 on the other side in the short-side direction of the housing recess 21 is formed with an abutting surface that is positioned in the short-side direction of the panel Pa in the direction of the long side portion Ps1 of the panel Pa of the package P1.

The spacer 50 includes a vertical wall portion 51 disposed to face the inner side surface of the side wall portion 24, an insertion portion 52 disposed to be connected to the lower portion of the vertical wall portion 51 and inserted into the recess 21d, and a fitting portion 53 from the insertion portion 52 protrudes and fits into the fitting groove 21e.

The vertical wall portion 51 extends in the longitudinal direction of the container body 20 at the same height width as the side wall portion 24. Further, it has a facing surface that faces the long side portion Ps1 of the panel Pa of the packaged object P1 or has a predetermined gap. The opposing surface is perpendicular to the bottom surface 21a of the housing recess 21, and when a plurality of packaged objects P1 are stacked and accommodated in the housing recess 21, the position of each packaged object P1 in the short-side direction is positioned.

The insertion portion 52 has a shape that is attached to the container body 20 by being inserted into the recess 21d. The fitting portion 53 is provided to protrude from the lower portion of the insertion portion 52. The fitting portion 53 has a convex shape in which the front end portion of the fitting portion 53 is wider than the groove width in the groove depth direction of the fitting groove 21e, and is narrower than the groove width on the back side in the groove depth direction of the fitting groove 21e.

The spacer 50 inserts the insertion portion 52 into the recess 21d of the container body 20, and the vertical wall portion 51 abuts against the side wall portion 24 of the container body 20, and the fitting portion 53 is fitted to the fitting groove 21e, thereby being set to The installation state shown in Figure 1.

When the package P1 is bundled by using the packing material 1 having the above configuration, as shown in FIG. 1, the spacer 40 and the spacer 50 are attached to the container body 20. Further, the packaged object P1 is stacked in the housing recess 21 via a paper pad.

The container body 20 in which the packaged object P1 is stored is covered by the lid body 10, and the outer peripheral edge 11 on the back side of the lid body 10 is fitted to the outside of the container body 20 so that the opening end portion 22a of the container body 20 is sealed. Edge groove 22b. In the fitting state, the lid body 10 and the container body 20 are bundled by a resin tape (not shown) such as three polypropylene (PP) tapes along the groove 18 and the groove 28 to form a package. body.

According to the mounting structure of the spacer 40, the fitting groove 21c is provided on the opposite side surface 21j of the groove 21b, so that the groove depth d of the fitting groove 21c can be made deeper than in the prior art in which the groove is provided in the side wall portion, Further, the fitting portion 43 can be deeply fitted. Therefore, the movement of the spacer 40 with respect to the container body 20 can be suppressed, thereby being surely held at a predetermined position. Moreover, the reduction in the strength of the side wall portion caused by the groove as before can be prevented.

Further, according to the attachment structure of the spacer 40, the convex portion 21h is provided on the opposite side surface 21j of the recess 21b, and the side end surface 42a of the insertion portion 42 is pushed away from the opposite side surface 21j of the recess 21b, thereby The pulling force acts to pull the fitting portion 43 fitted to the fitting groove 21c in the direction from the back side to the front side in the groove depth direction of the fitting groove 21c. Therefore, the spacer 40 can be fixed to the container body 20 in a stable state, thereby suppressing the occurrence of sway. Therefore, for example, when the package P1 abuts against the spacer 40 during the conveyance of the packaged object P1, the positional displacement of the spacer 40 can be prevented, and the conveyance can be carried out while being held.

Further, the spacer 40 is set such that the interval between the opposing surface 41a of the spacer 40 and the short side portion Ps2 of the panel Pa of the packaged object P1 is as narrow as possible in the normal posture state, if the spacer 40 is When the position is shifted and the vertical wall portion 41 is inclined so as to be tilted toward the housing recess 21, there is a problem in that the operation of accommodating the packaged object P1 is hindered. On the other hand, in the packaging material 1 of the present embodiment, the side end surface 42a is pressed in the direction away from the opposing side surface 21j by the elastic force of the convex portion 21h, and the fitting portion 43 in the fitting groove 21c is embedded. The pulling force of the groove 21c in the direction in which the groove is pulled out in the groove depth direction acts, so that the movement of the spacer 40 in the direction in which the vertical wall portion 41 of the spacer 40 is tilted can be suppressed, and the packaged object can be smoothly carried out. The operation of P1 is accommodated in the housing recess 21.

In addition, the present invention is not limited to the configuration of the above-described embodiment, and various modifications can be made without departing from the spirit and scope of the invention. For example, in the above-described embodiment, the case where the spacer 40 is provided on both sides in the longitudinal direction of the container body 20 has been described as an example. However, the spacer 40 may be configured to be disposed on both sides in the longitudinal direction. On either side, an abutting surface is provided on the side wall portion 24, and the short side direction of the panel Pa is positioned to face the long side portion Ps1 of the panel Pa of the package P1. Further, in the above-described embodiment, the case where the convex portions 21h are provided at three places has been described as an example. However, the number and arrangement positions may be appropriately changed, and the number or arrangement position of the convex portions 21h may be changed to make the push. The pressing force of the side end surface 42a of the press spacer 40 is increased or decreased.

1‧‧‧Package
10‧‧‧ cover
11‧‧‧ outer periphery
18, 28‧‧‧ with slot
20‧‧‧ container body
21‧‧‧ containment recess
21a‧‧‧ bottom
21b, 21d‧‧‧ grooves
21c, 21e‧‧‧ fitting slots
21f, 21g‧‧‧ corner recess
21h‧‧‧ convex
21j, 21k‧‧‧ opposite sides
22a‧‧‧Open end (opening)
22b‧‧‧ outer edge groove
23‧‧‧ bottom
24‧‧‧ Sidewall
40, 50‧‧‧ spacers
41, 51‧‧‧ vertical wall
41a‧‧‧ opposite faces
42. 52‧‧‧ Insertion Department
42a‧‧‧ side end face
43, 53‧‧‧Mate
D‧‧‧ groove depth
P1‧‧‧Bundled goods
Pa‧‧‧ panel
Ps1 (Ps) ‧ ‧ long side (side)
Ps2(Ps)‧‧‧ Short side (side)

FIG. 1 is a schematic perspective view showing a state in which a packaged article is bundled by a packaging material according to an embodiment of the present invention. Fig. 2 is an exploded perspective view showing the container body and the spacer of the packaging material according to the embodiment of the present invention. 3 is a partial plan view showing a state in which a spacer is fitted to a container body. 4(a) is a cross-sectional view taken along line A-A of FIG. 3, and FIG. 4(b) is an enlarged view of a portion B of FIG. 4(a). Fig. 5 is a perspective view of a convex portion.

20‧‧‧ container body

21‧‧‧ containment recess

21a‧‧‧ bottom

21b, 21d‧‧‧ grooves

21c, 21e‧‧‧ fitting slots

21f, 21g‧‧‧ corner recess

22a‧‧‧Open end (opening)

22b‧‧‧ outer edge groove

23‧‧‧ bottom

24‧‧‧ Sidewall

28‧‧‧With slot

40, 50‧‧‧ spacers

41, 51‧‧‧ vertical wall

41a‧‧‧ opposite faces

42. 52‧‧‧ Insertion Department

42a‧‧‧ side end face

43, 53‧‧‧Mate

Claims (4)

A packaging material for packaging a packaged article having a plate-shaped body, the packaging material comprising: a container body having a receiving recess, the receiving recess having a rectangular bottom portion, and a receiving portion a side wall portion that rises around the bottom portion and is sized to horizontally accommodate the packaged object; and a spacer that is detachably attached to the container body and that is horizontally disposed on the packaged object The container body is disposed between the side wall portion of the container body and the side portion of the packaged object; the container body includes a groove, and the container body is recessed along the side wall portion in the receiving portion a bottom surface of the recess; and a fitting groove recessed in a side surface of the groove facing the side wall portion and having one end open at a bottom surface of the receiving recess, the spacer comprising: a vertical wall portion The inner side surface of the side wall portion is disposed to face each other; the insertion portion is provided to be connected to the lower portion of the vertical wall portion and inserted into the groove; and the fitting portion protrudes from the insertion portion and is fitted to the fitting portion groove. The packaging material according to claim 1, wherein at least one convex portion is provided on opposite sides of the groove, the convex portion being the insertion portion to be inserted into the groove Pushing away from the opposite sides of the groove. The packaging material according to the second aspect of the invention, wherein the fitting groove has a concave shape in which a groove width in a groove depth direction is closer to a front side than a groove width in a groove depth direction, and the fitting portion has the embedded portion. The front end portion of the joint portion is wider than the groove width in the groove depth direction of the fitting groove, and has a convex shape narrower than the groove width on the back side in the groove depth direction of the fitting groove. A package body obtained by bundling the packaged article according to any one of claims 1 to 3.