JP6358729B2 - Transport packaging container - Google Patents

Description

  The present invention relates to a transport packaging container for packaging in a state suitable for transporting a large and heavy product.

  2. Description of the Related Art Conventionally, a packaging container for transportation using a multilayer cardboard is known (Patent Document 1). As shown in FIG. 8, the packaging container 30 described in this patent document 1 is formed by folding a multi-layer corrugated paper into a rectangular shape with upper and lower openings, and overlapping both end edges of the panel on one side edge. The side edge is bonded to the outer side by attaching a tape-like body, the end edge overlapped with the overlapped inner side is abutted, and the reinforcing sheet 31 of the multilayer corrugated paper is attached to the reinforcing sheet 31. A case 33 is provided with a multi-layer corrugated cardboard reinforcing sheet 32 attached to the opposing inner surface, and a multi-layer corrugated paper tray 34 and a cap 35 for accommodating the lower and upper portions of the case 33.

  The packaging container described in Patent Document 1 has increased durability due to the attachment of the reinforcing sheet, and can be quickly unpacked without tearing the corrugated cardboard when the article in the packaging container is taken out. Became.

Japanese Utility Model Publication No. 1-76454

  However, in the packaging container described in the above-mentioned Patent Document 1, the both edge portions of the panel are overlapped at one side edge portion, and the side edge portion is connected by attaching a tape-like body to the outer side surface. Since the two corners are united, a large work space is required for processing and assembling work. In addition, when there are a large number of products to be packed, it is necessary to shorten the packing work time by omitting the work of sticking the tape-like body on the outer surface during the packing work.

  The present invention has been made to solve the above-described problems, and facilitates processing, assembly, and packaging work to reduce work costs and to provide a transport packaging container having excellent durability. It is aimed.

The invention of claim 1 is a packaging container for transportation comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box, wherein the outer box is a single-layer cardboard or multilayer cardboard Are formed by four substantially identical rectangular side wall bodies having openings at the upper and lower portions, and the four side wall bodies have predetermined lengths substantially equal in lateral direction. It is bent in the vertical direction at the position, and the two side wall bodies therein constitute the four side surfaces of the inner side wall body, and the remaining two side wall bodies constitute the four side surfaces of the outer side wall body. And the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed to each other, and the inner side wall body is a single-layer corrugated board or a multilayer made of a material different from that of the outer side wall body. It is characterized by being made of cardboard. Since the outer box constituting the transport packaging container according to the present invention has a structure in which the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed, durability can be improved. Further, since the outer box is constituted by four substantially identical side wall bodies formed of single layer corrugated board or multilayer corrugated board, processing and assembling work can be facilitated and work cost can be reduced. In addition, by setting the inner side wall body to be the base as a predetermined material and changing the material of the outer side wall body, it is possible to correspond to the required level of durability without increasing the manufacturing cost. , Mass productivity can be improved.

The invention of claim 2 is a packaging container for transportation comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box, wherein the outer box is a single-layer cardboard or multilayer cardboard Are formed by four substantially identical rectangular side wall bodies having openings at the upper and lower portions, and the four side wall bodies have predetermined lengths substantially equal in lateral direction. It is bent in the vertical direction at the position, and the two side wall bodies therein constitute the four side surfaces of the inner side wall body, and the remaining two side wall bodies constitute the four side surfaces of the outer side wall body. And the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed to each other, and the inner side wall body has a thickness different from that of the outer side wall body. It is characterized by being made of cardboard. Since the outer box constituting the transport packaging container according to the present invention has a structure in which the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed, durability can be improved. Further, since the outer box is constituted by four substantially identical rectangular side walls formed of single-layer corrugated cardboard or multilayer corrugated cardboard, processing and assembling work can be facilitated and work cost can be reduced. Moreover, since the inner side wall body used as a base is made into predetermined thickness, and it can respond to the required level of durability by changing the thickness of an outer side wall body, it does not increase manufacturing cost. , Mass productivity can be improved.

The invention of claim 3 is a transport packaging container comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box, wherein the outer box is a single-layer cardboard or multilayer cardboard Are formed by four substantially identical rectangular side wall bodies having openings at the upper and lower portions, and the four side wall bodies have predetermined lengths substantially equal in lateral direction. It is bent in the vertical direction at the position, and the two side wall bodies therein constitute the four side surfaces of the inner side wall body, and the remaining two side wall bodies constitute the four side surfaces of the outer side wall body. And the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed to each other, and the inner side wall body is a single-layer cardboard having a different cross-sectional shape from the outer side wall body or It consists of multi-layer cardboard. Since the outer box constituting the transport packaging container according to the present invention has a structure in which the outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed, durability can be improved. Further, since the outer box is constituted by four substantially identical side wall bodies formed of single layer corrugated board or multilayer corrugated board, processing and assembling work can be facilitated and work cost can be reduced. In addition, since the inner side wall body serving as the base has a predetermined cross-sectional shape and the cross-sectional shape of the outer side wall body is changed, it is possible to meet the required level of durability, thereby increasing the manufacturing cost. Therefore, mass productivity can be improved.

  Note that the term single-layer corrugated cardboard described in the claims means not only single-layer corrugated paper but also single-layer plastic corrugated cardboard. Similarly, the term multi-layer corrugated cardboard is intended to include not only multi-layer corrugated paper but also multilayer plastic corrugated cardboard.

In the invention of claim 1 to 3, it is possible to improve the durability of the transport packaging container. In addition, the time for processing and assembling work can be shortened, and the assembling work can be performed even in a narrow work space.

  Moreover, mass productivity can be improved without increasing the manufacturing cost.

It is a disassembled perspective view which shows 1st Embodiment of the packaging container for transport which concerns on this invention. It is a cross-sectional view of the outer box of the first embodiment. It is a cross-sectional view of the outer box of the second embodiment. It is a cross-sectional view which shows the state at the time of the assembly of the outer case of 3rd Embodiment. (A) It is a cross-sectional view which shows 1st Example of multilayer corrugated paper. (B) It is a cross-sectional view which shows 2nd Example of multilayer corrugated paper. (A) It is a cross-sectional view which shows the Example of single layer corrugated paper. (B) It is a cross-sectional view showing a third embodiment of multilayer corrugated paper. (A) It is a cross-sectional view which shows the Example of a single layer plastic cardboard. (B) It is a cross-sectional view which shows the Example of a multilayer plastic corrugated board. It is a disassembled perspective view which shows the conventional packaging container for transport.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view showing a first embodiment of a transport packaging container according to the present invention. FIG. 2 is a cross-sectional view of the outer box of the first embodiment. (In FIG. 2, the thickness of the single-layer corrugated paper or multilayer corrugated paper is drawn with a large thickness for easy viewing, and corresponds to the thickness of the single-layer corrugated paper or multi-layer corrugated paper of the outer box shown in FIG. 1) As shown in FIG. 1, the transport packaging container 10 is composed of a pallet 1, an outer box 2 assembled to the upper part of the pallet 1, and a cap 3 assembled to the upper part of the outer box 2. Has been. The outer box 2 has a hollow shape having openings 13 at the top and bottom, the bottom opening 13 is closed by the pallet 1, and the top opening 13 is closed by the cap 3.

  In the pallet 1, a plurality of girders 6, 6... Are arranged and fixed at the center and corners between the pallet bottom plate 4 and the pallet top plate 5. A case bottom plate 7 is fixed to the top surface of the pallet top plate 5, and case frames 8 a and 8 b that are arranged and fixed so as to surround the four edges of the case bottom plate 7 face upward. It is erected.

  The cap 3 is arranged so as to surround the four edges of the cap upper surface plate 9, and fixed cap frame bodies 11a, 11b,.

  The outer box 2 has a hollow shape in which four side wall bodies 12a, 12b, 12c, and 12d formed of single-layer corrugated paper or multilayer corrugated paper are combined to have openings 13 at the upper and lower portions. The four side wall bodies 12a, 12b, 12c, and 12d are configured by substantially the same rectangular side wall bodies having substantially the same vertical and horizontal lengths. Further, it is bent at about 90 degrees in the vertical direction at a predetermined position where the length in the horizontal direction is substantially equal, and the two side wall bodies 12c and 12d therein constitute the four side surfaces of the inner side wall body, and the rest The two side wall bodies 12a and 12b constitute four side surfaces of the outer side wall body. Then, the outer side surfaces of the inner side wall bodies 12c and 12d and the inner side surfaces of the outer side wall bodies 12a and 12b are fixed, and the four side wall bodies 12a, 12b, 12c and 12d are integrated to form a hollow opening. An outer box 2 having 13 is formed.

  Specifically, the outer side surface of the side surface 121c having the longer lateral length of the side wall body 12c and the inner side surface of the side surface 121a having the longer lateral length of the side wall body 12a are fixed. Further, the outer side surface of the side surface 122c having the shorter lateral length of the side wall body 12c and the inner side surface of the side surface 122b having the shorter lateral length of the side wall body 12b are fixed. Further, the outer side surface of the side surface 121d having the longer lateral length of the side wall body 12d and the inner side surface of the side surface 121b having the longer lateral length of the side wall body 12b are fixed. Further, the outer side surface of the side surface 122d having the shorter lateral length of the side wall body 12d and the inner side surface of the side surface 122a having the shorter lateral length of the side wall body 12a are fixed.

  FIG. 3 is a cross-sectional view of the outer box of the second embodiment. The outer box 20 of the second embodiment has a hollow shape in which four side wall bodies 14a, 14b, 14c, and 14d formed of single-layer corrugated paper or multilayer corrugated paper are combined to have openings 15 in the upper and lower portions. ing. The four side wall bodies 14a, 14b, 14c, and 14d are configured by substantially the same rectangular side wall bodies having substantially the same vertical and horizontal lengths. Further, it is bent at about 90 degrees in the vertical direction at a position about half the length in the horizontal direction, and the two side wall bodies 14c and 14d therein constitute the four side surfaces of the inner side wall body, and the rest The two side wall bodies 14a and 14b constitute four side surfaces of the outer side wall body. The outer side surfaces of the inner side wall bodies 14c and 14d and the inner side surface of the outer side wall bodies 14a and 14b are fixed, and the four side wall bodies 14a, 14b, 14c and 14d are integrated to form a hollow-shaped opening. An outer box 20 having 15 is formed. The four side wall bodies 14a, 14b, 14c, and 14d are bent at about 90 degrees in the vertical direction at a position about half the length in the horizontal direction, so that the opening 15 has a substantially square shape in plan view. ing.

  Specifically, the outer surface of one side surface 141c of the side wall body 14c and the inner side surface of one side surface 141a of the side wall body 14a are fixed. Further, the outer side surface of the other side surface 142c of the side wall body 14c and the inner side surface of one side surface 142b of the side wall body 14b are fixed. Further, the outer side surface of one side surface 141d of the side wall body 14d and the inner side surface of the other side surface 141b of the side wall body 14b are fixed. Furthermore, the outer side surface of the other side surface 142d of the side wall body 14d and the inner side surface of the other side surface 142a of the side wall body 14a are fixed.

  FIG. 4 is a cross-sectional view showing a state when the outer box of the third embodiment is assembled. The outer box 40 of the third embodiment is created by the following procedure. First, in a state where both end portions A of the two inner side wall bodies 16c, 16d bent in the vertical direction at predetermined positions are in contact with each other and arranged so as to face each other, the outer side wall bodies 16c, 16d are arranged outside. The inner side surfaces of the two outer side wall bodies 16a and 16b that are not bent are fixed to the side surfaces. Thereby, the four side wall bodies 16a, 16b, 16c, and 16d are integrated. Thereafter, the outer case 40 is formed by bending the two outer side wall bodies 16a and 16b in the vertical direction at a predetermined position B.

  As described above, by creating the outer box 40 of the third embodiment, if an external force is applied in the direction of the arrow toward the inside shown in FIG. 4, the outer box 40 is in a folded state, and before packing work The plurality of outer boxes 40 can be stacked at the time of transportation and packing work, and there is an advantage that a large space is not required.

  Further, during the packing operation, if an external force is applied in the direction of the arrow toward the outside shown in FIG. 4, the outer box 40 is assembled so that the opening with the bending angle of about 90 degrees shown in the second embodiment of FIG. 3 is formed. Thus, unlike the conventional case, it is possible to perform the packing operation quickly without requiring the operation of attaching the adhesive tape between the side wall bodies and integrating them.

  The outer box 40 in the folded state shown in FIG. 4 and the outer boxes 2 and 20 in the assembled state shown in FIGS. 2 and 3 can be easily deformed alternately. This is due to the use of single-layer corrugated paper or multi-layer corrugated paper for the four side walls. In the case where a plastic material having no space part or a thick wood is used for the four side walls of the outer box, it cannot be easily deformed from the folded state to the assembled state. This is because a force is applied in the direction of compression to the corner A where the end portions of the side wall bodies shown in FIGS. 2 to 4 are abutted, and the corner B located outside the corner A is expanded. This is because force is applied in the direction. The single-layer corrugated paper or multilayer corrugated paper forming the four side walls of the present invention has a plurality of spaces formed between the core and the liner, and when compression force or expansion force is applied, By deforming (smashing) the space portion, the outer box can be easily deformed.

  FIG. 5A is a cross-sectional view showing a first embodiment of the multilayer corrugated cardboard. The multilayer corrugated paper 22a shown in FIG. 5 (a) is a double-sided corrugated paper and is formed by using two cores 23a and 23b and three liners 24, 25 and 26 which are formed in a wave shape. Has been. Here, different cores (flutes) are used for the two cores 23 a and 23 b, and the length between the liner 26 and the liner 25 is the length between the liner 24 and the liner 25. It is formed to be larger than this.

  FIG. 5B is a cross-sectional view showing a second embodiment of the multilayer corrugated cardboard. The multilayer corrugated paper 22b shown in FIG. 5 (b) is a double-sided corrugated paper, and is formed using two cores 23b and 23b formed in a wave shape and three liners 24, 28 and 29. Has been. Here, the same type of core (flute) is used for the two cores 23 b and 23 b, and the length between the liner 24 and the liner 28 is the length between the liner 29 and the liner 28. Are formed to have substantially the same length.

  FIG. 6A is a cross-sectional view showing an example of single-layer corrugated paper. The single-layer corrugated cardboard 17 shown in FIG. 6A is formed using a single core 21 formed in a wave shape and two liners 18 and 19.

  FIG. 6B is a cross-sectional view showing a third embodiment of the multilayer corrugated paper. The multilayer corrugated cardboard 36 shown in FIG. 6B is formed by using two cores 39 and 42 formed in a wave shape and four liners 37, 38, 41 and 43. Here, the two cores 39 and 42 can be selected from the case of using the same type of core and the case of using different types of cores. Further, the length between the liner 37 and the liner 38 is selected from the case where the length is set to be substantially the same as the length between the liner 41 and the liner 43 and the case where the length is different. can do. Accordingly, the two cores 39 and 42 are the same type of core, and the length between the liner 37 and the liner 38 is substantially the same as the length between the liner 41 and the liner 43. In the case of forming, it can be prepared by using two single-layer corrugated paper sheets shown in FIG. 6A and fixing the outer surfaces of one liner with glue or the like.

  FIG. 7A is a cross-sectional view showing an embodiment of a single-layer plastic corrugated cardboard. The single-layer plastic corrugated cardboard 44 shown in FIG. 7A is formed of plastic and is formed using two liners 46, 47 and a plurality of cores 48, 48. A space portion is formed in a portion surrounded by the liners 46 and 47 and the adjacent cores 48 and 48. Therefore, similarly to the single-layer corrugated cardboard or multilayer corrugated cardboard described above, the outer box can be easily deformed by deforming (smashing) the space when a compressive force or tensile force is applied. ing.

  FIG. 7B is a cross-sectional view showing an embodiment of a multilayer plastic corrugated cardboard. The multilayer plastic corrugated cardboard 45 shown in FIG. 7B is formed of the surface of the liner 47 of the single-layer plastic corrugated cardboard shown in FIG. 7A, plastic, two liners 49 and 50, and a plurality of liners. It is formed by adhering to the surface of a liner 49 of another single-layer plastic corrugated cardboard formed using the cores 51, 51. This multilayer plastic corrugated cardboard 45 also has space portions in liners 46 and 47, portions surrounded by adjacent cores 48 and 48, liners 49 and 50, and portions surrounded by adjacent cores 51 and 51, respectively. Is formed. Therefore, similarly to the single-layer corrugated cardboard or multilayer corrugated cardboard described above, the outer box can be easily deformed by deforming (smashing) the space when a compressive force or tensile force is applied. ing.

  The transport packaging container of the present invention is used as a packaging container suitable for transporting a large and heavy product.

DESCRIPTION OF SYMBOLS 1 Pallet 2, 20, 40 Outer box 3 Cap 4 Pallet bottom plate 5 Pallet top plate 6 Girder body 7 Case bottom plate 8a, 8b Case frame 9 Cap top plate 10 Transport packaging container 11a, 11b Cap frame 12a, 12b , 12c, 12d, 14a, 14b, 14c, 14d, 16a, 16b, 16c, 16d Side wall body 13, 15 Opening 17 Single layer corrugated paper 18, 19, 24, 25, 26, 28, 29, 37, 38, 41 , 43, 46, 47, 49, 50 Liner 21, 23a, 23b, 39, 42, 48, 51 Core 22a, 22b, 36 Multi-layer corrugated paper 44 Single-layer plastic corrugated cardboard 45 Multi-layer plastic corrugated cardboard

Claims (3)

In a transport packaging container comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box,
The outer box is composed of four substantially identical rectangular side walls formed of single-layer cardboard or multilayer cardboard, and has an opening at the top and bottom,
The four side wall bodies are bent in a vertical direction at predetermined positions having substantially equal lateral lengths, and two of the side wall bodies constitute four side surfaces of the inner side wall body, and the remaining side wall bodies The two side wall bodies constitute the four side surfaces of the outer side wall body,
The outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed, and the inner side wall body is a single-layer corrugated board or a multilayer made of a material different from that of the outer side wall body. A packaging container for transportation, comprising cardboard . In a transport packaging container comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box,
The outer box is composed of four substantially identical rectangular side walls formed of single-layer cardboard or multilayer cardboard, and has an opening at the top and bottom,
The four side wall bodies are bent in a vertical direction at predetermined positions having substantially equal lateral lengths, and two of the side wall bodies constitute four side surfaces of the inner side wall body, and the remaining side wall bodies The two side wall bodies constitute the four side surfaces of the outer side wall body,
The outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed to each other , and the inner side wall body is a single-layer corrugated board or multilayer having a thickness different from that of the outer side wall body. A packaging container for transportation, comprising cardboard . In a transport packaging container comprising a pallet, an outer box assembled to the upper part of the pallet, and a cap assembled to the upper part of the outer box,
The outer box is composed of four substantially identical rectangular side walls formed of single-layer cardboard or multilayer cardboard, and has an opening at the top and bottom,
The four side wall bodies are bent in a vertical direction at predetermined positions having substantially equal lateral lengths, and two of the side wall bodies constitute four side surfaces of the inner side wall body, and the remaining side wall bodies The two side wall bodies constitute the four side surfaces of the outer side wall body,
The outer side surface of the inner side wall body and the inner side surface of the outer side wall body are fixed, and the inner side wall body is a single-layer corrugated cardboard having a cross-sectional shape different from that of the outer side wall body or A packaging container for transportation characterized by comprising multilayer cardboard .

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