JP6662361B2 - Packing materials - Google Patents

Description

  The present invention relates to a packaging member. More specifically, the present invention relates to a packing member for packing a plurality of box-shaped articles which are stacked and stored in a vertical direction.

  It is known that an end of an article is covered with a cushioning material and supported in order to prevent the article from being damaged during storage and transportation of the article (for example, see Patent Document 1). As shown in FIG. 12, the packing apparatus described in Patent Literature 1 includes a packing material 102 that covers and supports both ends of a packing object 101, and the packing object 101 covered by the packing material 102 , Are stored in a “stacked” state in which a plurality of them are stacked on the pallet 103.

  Further, when handling a box-shaped article having a relatively elongated box shape, a cushioning material (end cushioning material) covering the end and a cushioning material (side cushioning material) covering the side surface of the box-shaped article are used. May be used.

  FIG. 13 shows a state in which a ceiling-hanging indoor unit 111 as a box-shaped article is stacked on a pallet P, which is packed by an example of a packing member having the end cushioning material and the side cushioning material. FIG. 14 is an explanatory perspective view, and FIG. 14 is an exploded perspective view of the packing member shown in FIG.

  An end surface of the indoor unit 111 is covered with an end cushioning material 112, and a side surface of the indoor unit 111 orthogonal to the end surface is covered with a side cushioning material 113. The upper and lower surfaces of the indoor unit 111 are covered with a top tray 114 and a bottom tray 115, respectively. Since the sum of the height of the top tray 114 and the height of the bottom tray 115 is smaller than the height of the end cushioning material 112 or the side cushioning material 113, the outer side surface of the end cushioning material 112 and the side cushioning material 113 A part of the outer side surface is uncovered by the top tray 114 or the bottom tray 115.

  The indoor unit 111 packed by the packing member is bound by the binding band 109 at each position of the end cushioning material 112 and the side cushioning material 113. The packed indoor unit 111 is stacked on the pallet P by an operator.

JP 2011-51634A

  The load of the indoor unit 111 in the stacked state is supported by the indoor unit 111 itself and the end cushioning material 112 or the side cushioning material 113. In this case, as shown in FIG. 14, the end cushioning member 112 is a member in which a portion parallel to the long side and a portion parallel to the short side of the indoor unit 111 having a rectangular shape in a plan view are integrated. Although it contracts in the vertical direction with respect to the load of the indoor unit 111, the deformation in the horizontal direction is slight.

  On the other hand, as shown in FIG. 15, the side cushioning member 113 composed of only a portion parallel to the long side of the indoor unit 111 contracts in the vertical direction with respect to the load of the indoor unit 111 and expands in the horizontal direction. Specifically, the side cushioning material 113 swells outward (the side opposite to the side facing the indoor unit 111). The side cushioning material 113 tends to be deformed so as to expand inward or outward with respect to a load in the vertical direction, but the inner side is in a state of substantially abutting against the side surface 116a of the casing 116 of the indoor unit 111. Since the casing 116 of the machine 111 itself is elastically deformed to slightly bulge outward due to a load from above, the casing 116 bulges outward by being pushed by the side surface 116a of the casing 116. In FIG. 15, the degree of the bulge is exaggerated for easy understanding.

  If the side surface 113a of the side cushioning member 113 is deformed so as to bulge outward, depending on the degree, it may lead to collapse of the load. In addition, a state in which the side surface 113a of the side cushioning material 113 which is in a bare state swells outward is not preferable in appearance. In order to eliminate or suppress the outward expansion of the side surface 113a of the side cushioning material 113, the expansion ratio of the synthetic resin foam constituting the side cushioning material 113 is reduced to increase the strength of the synthetic resin foam. In order to increase the second moment of area of the side cushioning member 113, the horizontal section of the side cushioning member 113 may be increased.

  However, in the former case, there is a problem that the cost of the packaging member increases. On the other hand, in the case of the latter, there is a problem that the packaging volume increases and the cost of the packaging member also increases.

  The present invention has been made in view of such circumstances, and provides a packaging member that can suppress outward swelling during stacking without increasing the packaging volume or increasing the cost. It is intended to be.

The packaging member of the present invention includes:
(1) An end cushioning material that covers and supports an end face of the box-shaped article, and a side cushioning material that covers and supports a side face of the box-shaped article that is orthogonal to the end face,
A concave surface is formed on the outer side surface of the side cushioning material,
The concave surface is a surface in which the center of the concave surface is depressed inward from the upper and lower ends in the vertical direction when the box-shaped article is placed.

  In the packing member of the present invention, since a concave surface indented inward is formed on the outer side surface of the side cushioning material, when a vertical load is applied to this side cushioning material, the side cushioning material is It tries to deform so as to bulge inward, that is, to press against the side of the box-shaped article. In this case, even if the side surface of the box-shaped article in contact with the side cushioning material is elastically deformed outward by a load from above and the side cushioning material is deformed so as to expand outward due to the influence, the side cushioning material is not affected. In the state where no load is applied, the side surface has a concave surface that is depressed inward, so that the degree of outward swelling can be suppressed. As a result, the stacked box-shaped articles do not collapse, and the bulging of the side surfaces of the side cushioning material does not cause a problem in appearance. Further, by making the flat side surface concave, the material used can be reduced by the amount of the dent, and the cost can be reduced.

(2) In the packing member of (1), the concave surface may be formed of a curved surface. In this case, by giving a simple shape of a curved surface to the side surface of the side cushioning material, it is possible to suppress the outward expansion of the side cushioning material.

(3) In the packing member of (1) or (2), the size of the dent at the center of the concave surface may be 5 to 10 mm. In this case, outward expansion of the side cushioning material can be suppressed while securing the strength of the side cushioning material.

(4) The packing member according to any one of (1) to (3), further comprising a top tray that covers an upper surface of the box-shaped article and a bottom tray that covers a lower surface of the box-shaped article. It is desirable that a cushioning material is disposed between the box-shaped article and both trays. In this case, the box-shaped article can be covered from above and below with both trays, and the box-shaped article can be packed in a stable state.

(5) In the packing member of (4), the top tray and the bottom tray may be made of a cardboard sheet, and the end cushioning material and the side cushioning material may be made of a synthetic resin foam. In this case, the packaging member can be made of a lightweight and easily processed material.

(6) In the packing member of (1) to (5), the end cushioning material and the side cushioning material can be vertically divided into two parts, respectively, and the packing member includes the end cushioning material and the side cushioning material. It is desirable to have a connecting means for integrating the cushioning materials. In this case, the packing operation of the box-shaped article can be easily performed. Further, it is easy to dispose of the end cushioning material and the side cushioning material after use.

(7) In the packing member of (1) to (6), the box-shaped article may be a ceiling-hanging indoor unit. In this case, without increasing the cost of the packaging member, it is possible to prevent the collapse of the load when stacking the indoor units of the ceiling suspension type and to improve the appearance.

  ADVANTAGE OF THE INVENTION According to the packing member of this invention, the expansion to the outside at the time of stacking can be suppressed, without enlarging a packaging volume and raising cost.

It is a perspective explanatory view showing the state where a plurality of indoor units packed by one embodiment of the packing member of the present invention were mounted on the pallet. FIG. 2 is an exploded perspective view of the packing member shown in FIG. 1. It is sectional explanatory drawing of a side cushioning material. It is sectional explanatory drawing of the side part cushioning material in a stacking state. It is an expansion perspective view of the vicinity of the concave part for indoor unit lifting of an end cushioning material. FIG. 6 is an explanatory cross-sectional view of the recess shown in FIG. 5. It is sectional explanatory drawing of the modification of a recessed part. It is an exploded perspective view of an end cushioning material. FIG. 9 is a perspective view showing a state where the end cushioning members shown in FIG. 8 are combined. It is sectional explanatory drawing explaining the effect | action of a mating surface. It is sectional explanatory drawing which shows the modification of a concave surface. It is a perspective explanatory view showing the state where a plurality of indoor units packed by the conventional packing member were mounted on the pallet. It is a perspective explanatory view showing the state where a plurality of indoor units packed by the conventional packing member provided with the side cushioning material were mounted on the pallet. FIG. 14 is an exploded perspective view of the packing member shown in FIG. 13. It is sectional explanatory drawing of the conventional side cushioning material in a stacking state.

  Hereinafter, the packing member of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the present invention is not limited to these exemplifications, but is indicated by the appended claims, and is intended to include all modifications within the meaning and scope equivalent to the appended claims.

  FIG. 1 is a perspective explanatory view showing a state in which a plurality of (four in the present embodiment) indoor units 2 packed by a packing member 1 according to an embodiment of the present invention are mounted on a pallet P. FIG. 2 is an exploded perspective view of the packing member 1 shown in FIG. The packing member 1 is a member for packing a ceiling-hanging indoor unit 2 which is an example of a box-shaped article having a box shape.

  As shown in FIG. 2, the packing member 1 includes a top tray 4 that covers the upper surface 3 a of the casing 3 of the indoor unit 2, a bottom tray 5 that covers the lower surface 3 b of the casing 3, an end surface 3 c of the casing 3, End cushioning members 6 and 7 and side cushioning members 8 are provided to cover and support side surfaces 3d orthogonal to the end surface 3c. The top tray 4 and the bottom tray 5 are made of cardboard sheets, and the end cushioning members 6, 7 and the side cushioning members 8 are made of a synthetic resin foam such as styrene foam. Corrugated cardboard sheets and synthetic resin foams have the advantage of being lightweight and easy to process.

  In this specification, the “upper surface” and the “lower surface” are surfaces located on the upper side and the lower side, respectively, when the indoor unit 2 packed by the packing member 1 is placed on a pallet or the like. Say. The “vertical direction” refers to the vertical direction when the indoor unit 2 is placed on a pallet or the like. Further, “inside” and “outside” are referred to as “inside” with respect to the indoor unit 2 packed by the packing member 1, and “outside” with the direction away from the indoor unit 2 with respect to the indoor unit 2. .

  The casing 3 has a box shape, and a heat exchanger (not shown) and a fan (not shown) are provided inside the casing 3. The casing 3 has a rectangular shape in a plan view, and a connection portion (not shown) of the refrigerant pipe protrudes outward from an end surface which is a side surface of one of the opposing short sides on the short side. . A concave portion having a shape corresponding to the outer shape of the indoor unit 2 to be packed is formed inside the end cushioning materials 6 and 7 and the side cushioning material 8, but a connection portion of the refrigerant pipe is formed only from one end surface. Since they protrude outward, the end cushioning material 6 and the end cushioning material 7 have substantially the same outer shape, but have different internal shapes.

  The end cushioning members 6 and 7 and the side cushioning member 8 can be divided into upper and lower parts so that the packing operation of the indoor unit 2 can be easily performed and the disposal after use is easy. Specifically, the end cushioning member 6 is composed of an upper end cushioning member 6a which is an upper divided member and a lower end cushioning member 6b which is a lower divided member. It is composed of an upper end cushioning material 7a as an upper divided body and a lower end cushioning material 7b as a lower divided body. The side cushioning member 8 includes an upper side cushioning member 8a which is an upper divided body and a lower side cushioning member 8b which is a lower divided body. When it is possible to divide the upper and lower parts into two, the lower divided bodies are arranged in the bottom tray 5, the indoor unit 2 is arranged thereon, and then the upper divided bodies and the top tray 4 are arranged. Can be performed smoothly, and the packing operation of the indoor unit 2 can be easily performed. The upper side cushioning member 8a includes a member disposed on one long side of the opposing long sides of the casing 3 and a member disposed on the other long side, and they have the same configuration (shape). , Dimensions, etc.).

  The end cushioning material 6 covers and supports the end face 3c of the casing 3 of the indoor unit 2 which is opposite to the end face 3c of the casing 3 where the connection portion of the refrigerant pipe does not exist. On the other hand, the end cushioning member 7 covers and supports the remaining end face 3c of the casing 3 of the indoor unit 2, that is, the end face 3c on the side where the connection portion of the refrigerant pipe is protruded. The side cushioning members 8 cover and support the longitudinal center portions of the side surfaces 3d of the casing 3 of the indoor unit 2 facing each other.

  The end cushioning members 6 and 7 and the side cushioning member 8 are disposed between the indoor unit 2 and the top tray 4 and the bottom tray 5 in a state where the indoor unit 2 is packed. In other words, the top tray 4 and the bottom tray 5 are arranged outside the indoor unit 2 in which the end surfaces 3c and the side surfaces 3d of the casing 3 are covered by the end cushioning materials 6, 7 and the side cushioning material 8. . The sum of the height H1 of the top tray 4 and the height H2 of the bottom tray 5 is smaller than the height H3 of the end cushioning members 6, 7 or the side cushioning member 8. Therefore, a part of the outer side surfaces 6a1, 6a2, 6b1, 6b2 of the end cushioning material 6, the outer side surfaces 7a1, 7a2, 7b1, 7b2 of the end cushioning material 7, and a part of the outer side surface 8a1 of the side cushioning material 8 Is a bare state that is not covered by the top tray 4 or the bottom tray 5. The top tray 4 is put on the upper end cushioning materials 6a, 7a by using the recesses 18 formed in the upper end cushioning materials 6a, 7a, and the bottom tray 5 is covered with the lower end cushioning material 6b, The lower end cushioning members 6b and 7b are put on the lower end cushioning members 6b and 7b by using the recesses 19 formed in 7b.

  The indoor unit 2 packed by the packing member 1 is bound by a binding band 9 (see FIG. 1) made of a synthetic resin such as polypropylene at each position of the end cushioning materials 6 and 7 and the side cushioning material 8. By fastening with the binding band 9, an inward fastening load is applied along the binding band 9, and the top tray 4 and the bottom tray 5 can be fixed to the indoor unit 2.

  As shown in FIG. 2, the upper side cushioning member 8a of the side cushioning member 8 is a plate-like member having a rectangular shape, and a bulging portion 10 is formed on one side of the opposite short side. An engagement recess 11 is formed on the other side. The upper side cushioning material 8a is disposed such that the bulging portion 10 is located above and the engaging recess 11 is located below. A concave portion 12 is formed on the upper surface 10a of the bulging portion 10. A band-shaped plate member 13 for protecting the casing 3 of the indoor unit 2 against a load from above is disposed in the recess 12. More specifically, the pair of upper side cushioning members 8a are attached to both longitudinal ends of the lower side cushioning member 8b such that the bulging portions 10 face each other. One end of the plate 13 is provided in the recess 12 of the bulging portion 10 of the cushioning member 8a, and the other end of the plate 13 is provided in the recess 12 of the bulging portion 10 of the other upper side cushioning material 8a. Will be arranged. The plate 13 in the present embodiment is made of wood, but may be made of another material such as a synthetic resin.

  The lower side cushioning member 8b of the side cushioning member 8 has a strip shape, and engagement protrusions 14 are formed at both ends in the longitudinal direction. By engaging the engaging concave portion 11 of the upper side buffer member 8a with the engaging convex portion 14, the upper side buffer member 8a can be attached to both ends of the lower side buffer member 8b.

  As shown in FIG. 3, the outer side surface of the upper side cushioning material 8 a, that is, the side surface 15 opposite to the side surface 3 d of the side surface 3 d of the casing 3 of the indoor unit 2 to be packed has a curved surface. A concave surface 16 is formed. The concave surface 16 is a surface in which the center of the concave surface 16 is depressed inward of the upper and lower ends in the vertical direction, that is, toward the indoor unit 2 to be packed. In the present embodiment, a concave surface 16 is formed on the entire side surface 15.

  The size w of the dent at the center of the concave surface 16 can be selected in consideration of the thickness of the upper side cushioning material 8a, the weight of the indoor unit 2, and the like. , Specifically, for example, 5 to 10 mm. For example, by forming a curved surface having a radius of curvature R of about 1500 mm on the side surface 15 of the upper side cushioning material 8a with respect to the upper side cushioning material 8a having a height of about 250 mm, a dent of about 5 mm is concave. 16 in the vertical center.

  When the packed indoor units 2 are stacked, a vertical load acts on the upper side cushioning material 8a. However, if a concave surface 16 is formed on the outer side surface 15 of the upper side cushioning material 8a, The upper side cushioning member 8a tends to deform so as to bulge inward, that is, to press against the side surface 3d of the casing 3 of the indoor unit 2. In this case, as shown in FIG. 4, the side surface 3d of the casing 3 that contacts the upper side cushioning member 8a is elastically deformed outward by a load from above, and the upper side cushioning member 8a expands outward due to the influence. Even if deformed as described above, the side surface 15 of the upper side cushioning material 8a is formed with a concave surface 16 that is depressed inward when no load is applied. Swelling can be eliminated or its degree can be suppressed. As a result, the stacked indoor units 2 do not collapse, and the swelling of the side surface 15 of the upper side cushioning member 8a does not cause a problem in appearance. In addition, since the flat side surface 15 is replaced with the concave surface 16, the material used can be reduced by the amount of the dent, and the cost can be reduced.

  FIG. 5 is a partially enlarged perspective view of the end cushioning member 6 on the side where the connection part of the refrigerant pipe does not exist. When lifting the indoor unit 2 packed by the packing member 1, a worker puts a finger on the upper end cushioning material 6 a of the end cushioning material 6 and the upper end cushioning material 7 a of the end cushioning material 7 and hooks it. Recess 20 is formed. The recesses 20 are formed at two locations in the upper end cushioning material 6a and the upper end cushioning material 7a. The recess 20 is formed on the side surface 6a1 of the upper end cushioning material 6a at a predetermined distance along the longitudinal direction of the side surface 6a1. Similarly, it is formed on the side surface 7a1 of the upper end cushioning member 7a so as to be separated by a predetermined distance along the longitudinal direction of the side surface 7a1. The recess 20 is formed at the lower edge of the side surface 6a1 of the upper end cushioning material 6a or at the lower edge of the side surface 7a1 of the upper end cushioning material 7a. For this reason, the lower part of the recess 20 is open or open.

  A ridge 21 is formed on the upper edge of the recess 20. When lifting the packed indoor unit 2, the worker can easily lift the indoor unit 2 by hooking a finger on the upper side surface 20 a (see FIG. 6) of the recess 20 and the ridge 21. In order to securely grip the packed indoor unit 2, at least the first joint of the finger needs to be hooked, and the hooking distance or length is usually set to 25 mm or more. In other words, when only a recess is formed, the depth of the recess is set to 25 mm or more.

  However, in the present embodiment, the protrusion 21 is formed on the upper edge of the recess 20, and the operator can hook a finger on the protrusion 21. If the height of the ridge 21 is, for example, 3 mm, the depth d (see FIG. 6) of the recess 20 can be reduced by the height. Therefore, the depth d of the recess 20 which conventionally required, for example, 25 mm can be reduced to 22 mm (25 mm-3 mm). Thereby, the wall thickness t of the end cushioning members 6 and 7 can also be reduced by the height of the ridge 21. As a result, the packaging volume of the packaging member 1 can be reduced, and the materials used can be reduced. And cost can be reduced by reducing the material used.

  The cross-sectional shape of the ridge 21 may be a rectangular shape or a quarter circle other than the trapezoidal shape as shown in FIG. The total s of the protrusion height of the ridge portion 21 and the depth d of the recess 20 depends on the product weight from the viewpoint that the packed indoor unit 2 can be securely gripped, but is 20 to 30 mm. It is preferable that the thickness be about 25 mm in consideration of securing the hook of the first joint of the finger and reducing the material used.

  FIG. 7 is an explanatory sectional view of a recess 30 according to another example. In the recess 30, the upper side surface 30a is an inclined surface that is inclined upward as it goes inward (toward the indoor unit 2). By making the side surface 30a with which the operator's finger inserted into the recess 30 comes into contact with an inclined surface, even if the depth of the recess 30 is reduced, the length of the operator's finger can be secured. it can. As a result, the wall thickness of the end cushioning members 6, 7 can be reduced as compared with the example shown in FIG.

  FIG. 8 is an exploded perspective view of the end cushioning member 6, and FIG. 9 is a perspective view when the end cushioning member 6 shown in FIG. 8 is combined. The end cushions 6, which can be separated vertically, have mating surfaces that abut each other when assembled. In the packing member 1 according to the present embodiment, the mating surface is parallel to the side wall (one side wall) 40 in which the recess 20 is formed, and includes the vertical mating surfaces 41 that are in surface contact with each other. Specifically, on the upper surface 42 of the lower end cushioning member 6b, a first projection 43 which is a projection that fits into the recess 20 formed in the upper end cushioning member 6a is formed. The two first protrusions 43 are formed along the longitudinal direction of the side wall 40 where the recess 20 is formed. The side surface 43a on the inner side of the first protrusion 43 and the inner surface 20b of the recess 20 constitute a vertical alignment surface 41. The end cushioning member 7 also has the vertical mating surface and a horizontal mating surface described later, like the end cushioning material 6. The height h1 and the width w1 of the first protrusion 43 are not particularly limited, but may be, for example, 15 to 30 mm and 76 to 96 mm, respectively.

  The other side wall of the end cushioning member 6 which is orthogonal to the side wall 40 where the recess 20 is formed is provided with a horizontal mating surface which is in surface contact with each other. Specifically, a notch 45 is formed at the lower end of the side wall 44, which is the other side wall of the upper end buffer member 6a. A second protrusion 47 is formed on the side wall 46 as the other side wall of the lower end cushioning member 6b. The two second protrusions 47 are formed on the lower end cushioning member 6b and the lower end cushioning member 7b, respectively. The upper surface 47a of the second protrusion 47 and the upper surface 45a of the notch 45 form a horizontal alignment surface 48. The height h2 and the width w2 of the second protrusion 47 are not particularly limited, but may be, for example, 15 to 30 mm and 70 to 90 mm, respectively.

  FIG. 10 is an explanatory cross-sectional view of the end cushioning member 7 on the side where the connection portion of the refrigerant pipe protrudes. A connecting portion 49 of the refrigerant pipe projects outward from the end face 3c of the casing 3. By providing the vertical mating surface 41 on the mating surface between the upper end cushioning material 7a and the lower end cushioning material 7b, the top plate portion 50 of the upper end cushioning material 7a is covered with the upper surface 3a of the casing 3. When k becomes small due to the connection portion 49, the lower end of the upper end cushioning material 7a when the indoor unit 2 is lifted when the indoor unit 2 is lifted even if the fastening of the upper and lower end cushioning materials 7a and 7b by the binding band is loose. The outward movement (movement to the right in FIG. 10) of the portion 51 can be suppressed by the vertical mating surface 41.

  Further, in addition to the vertical mating surface 41, a horizontal mating surface 48 is provided on a mating surface between the upper end cushioning member 7a and the lower end cushioning member 7b, so that the upper end portion when the indoor unit 2 is lifted is provided. The outward movement (the rightward movement in FIG. 10) of the lower end 51 of the cushioning member 7a can be further suppressed. That is, by providing not only one mating surface (vertical mating surface) but also another mating surface (horizontal mating surface) to form a plurality of mating surfaces, the outer end of the lower end portion 51 of the upper end cushioning member 7a can be moved outward. Movement can be further suppressed.

  The vertical fitting surface 41 and the horizontal fitting surface 48 can be provided both as in the present embodiment, so that the lower end portion 51 of the upper end cushioning material 7a when lifting the indoor unit 2 packed by the packing member 1 is outward. However, only one of them can be provided, in that it is more effective in suppressing the movement of the light source.

  Table 1 below shows the upper end portions of four cases in which both mating surfaces are provided, only vertical mating surfaces are provided, only horizontal mating surfaces are provided, and both mating surfaces are not provided. An experimental example is shown in which the amount of outward movement of the lower end 51 of the cushioning member 7a is measured. The margin was 20 mm, the projection height h1 of the first projection was 20 mm, the width w1 was 76 mm, the projection height h2 of the second projection was 20 mm, and the width w2 was 70 mm. The outward movement amount is a horizontal shift amount of the outer edge of the bottom surface of the upper end cushioning material 7a with respect to the outer edge of the upper surface of the lower end cushioning material 7b.

  From Table 1, it was found that the amount of movement suppression when the two mating surfaces were provided was the largest, and the amount of movement suppression when only the vertical mating surface was provided next was the largest.

[Other modifications]
The present invention is not limited to the embodiments described above, and various changes can be made within the scope of the claims.
For example, in the above-described embodiment, the concave surface formed on the outer side surface of the side cushioning material is a curved surface. However, the present invention is not limited to this. For example, the concave surface may be formed as an inclined surface as shown in FIG. In the modification shown in FIG. 11, a concave surface is formed by a pair of inclined surfaces 17 that incline inward (toward the indoor unit) toward the center of the side surface 15.

In the above-described embodiment, the top tray and the bottom tray that cover the upper and lower surfaces of the indoor unit, which is a box-shaped article, are used. Instead of the top tray and the bottom tray, a box covered with a cushioning material is used. For example, an upper surface and a lower surface of the box-shaped article can be protected by sandwiching, for example, a corrugated cardboard sheet between the box-shaped article and the box-shaped article also covered with the cushioning material.
Further, in the above-described embodiment, the end cushioning material that can be divided into upper and lower parts is used, but an integral type end cushioning material may be used.

  Further, in the above-described embodiment, a ceiling-hanging indoor unit is packed with a packing member as a box-shaped article. However, the present invention is not limited to the ceiling-hanging type, and may be used for wall-mounted, ceiling-mounted, and floor-standing indoor units. The packing member of the present invention can be used. Further, the packing member of the present invention can be used not only for the indoor unit but also for other box-shaped articles having a box shape.

1: packing member 2: indoor unit 3: casing 3a: upper surface 3b: lower surface 3c: end surface 3d: side surface 4: top tray 5: bottom tray 6: end cushioning material 6a: upper end cushioning material 6b: lower end Buffer material 7: End buffer material 7a: Upper end buffer material 7b: Lower end buffer material 8: Side buffer material 8a: Upper side buffer material 8b: Lower side buffer material 9: Binding band 10: Swelled portion 10a: Upper surface 11: Engagement concave portion 12: Recessed portion 13: Plate member 14: Engagement convex portion 15: Side surface 16: Concave surface 17: Inclined surface 20: Concavity 20a: Upper surface 20b: Inner surface 21: Ridge portion 30 Recess 30a: side surface 40: side wall 41: vertical alignment surface 42: upper surface 43: first protrusion 43a: side surface 44: side wall 45: notch 45a: upper surface 46: side wall 47: second protrusion 47a: upper surface 48: side Fitting surface 49: Connection part of refrigerant pipe 50: Top plate Part 51: lower end P: pallet d: depth of recess t: wall thickness w: size of dent

Claims (7)

A packing member (1) for packing a plurality of box-shaped articles (2) stacked and stored in a vertical direction,
The end face of the box-shaped article (2) end cushioning material for supporting covering the (3c) and (6,7), perpendicular to said end face (3c), the side surface of the box-shaped article (2) (3d) And a side cushioning material (8) for covering and supporting
The inner side surface of the side cushioning material (8) is a flat surface,
A concave surface (16) is formed on an outer side surface (15) of the side cushioning material (8);
The packaging member (1), wherein the concave surface (16) is a surface in which the center of the concave surface (16) is depressed inward from upper and lower ends in the vertical direction when the box-shaped article (2) is placed.   The packaging member (1) according to claim 1, wherein the concave surface (16) comprises a curved surface.   The packing member (1) according to claim 1 or 2, wherein the size of the depression (w) at the center of the concave surface (16) is 5 to 10 mm.   A top tray (4) covering an upper surface (3a) of the box-shaped article (2) and a bottom tray (5) covering a lower surface (3b) of the box-shaped article (2); 4. The method according to claim 1, wherein the side cushioning material is disposed between the box-shaped article and the trays. (1).   The top tray (4) and the bottom tray (5) are made of corrugated cardboard sheets, and the end cushions (6, 7) and the side cushions (8) are made of synthetic resin foam. Packing member (1). The end cushioning material (6, 7) and the side cushioning material (8) can be divided into two vertically.
6. The packaging device according to claim 1, wherein the packing member includes a coupling unit that integrates the end cushioning material and the side cushioning material. 7. Or the packing member (1) according to item 1. The packing member (1) according to any one of claims 1 to 6, wherein the box-shaped article (2) is a ceiling-hanging indoor unit.

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