JPH0654536U - Paper pallet - Google Patents

Abstract

(57) [Summary] [Purpose] The objective is to reasonably simplify the structure of a paper container while maintaining the strength required for the container. [Structure] A girder member 1 in which upward concave grooves 1a and downward concave grooves 1b are alternately continuous by bending a corrugated cardboard or the like.
Among the above concave grooves, two predetermined concave grooves 1b are formed as fork insertion grooves of a hawk lift, and a reinforcing material 3 formed by bending a strip plate in a zigzag shape is installed in the remaining concave groove 1a. It is inserted, and the deck board 2 is covered and adhered to the surface of the girder material 1 and the folding pieces 21 and 22 formed on the four sides thereof are folded back and adhered to the four circumferential surfaces of the girder material 1, and the folding piece 21,
An opening 4 of a fork insertion groove is formed by inserting a cut groove into 22 to be closed by the ear material 4a, and the ear material 4a is folded back to open the opening portion 4.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a paper pallet.

[0002]

[Prior art]

 In the past, many pallets for loading cargo were made of wood, but in recent years, there has been a problem with the unlimited use of wood due to the increasing nature conservation movement, and as a result, instead of wooden pallets, it is lightweight and can be disposed of and recycled. Available cardboard pallets have been developed. For example, in the paper pallet disclosed in Japanese Utility Model Publication No. 56-48035, a corrugated cardboard is bent to form a tubular member, and a plurality of the tubular members are arranged in parallel to form a pallet body. A tubular member that serves as a fork insertion portion is laterally penetrated into the container, and a connecting member is inserted between the tubular members to assemble the container, thereby constructing a container that can withstand the same use as a wooden container.

[0003]

[Problems to be solved by the device]

 However, in the conventional paper pallet as described above, 6 to 7 tubular members made of corrugated cardboard are combined, and a connecting member is inserted between the combined tubular members, so that the structure is structured. Was complicated and assembly was difficult. In addition, by inserting a plurality of cylindrical reinforcing members at regular intervals inside the tubular member that constitutes the beam member of the paper pallet, the tubular member is reinforced and the bending strength of the beam member is increased. The structure is proposed in Japanese Utility Model Application No. 3-88784. However, in the above-mentioned reinforcing structure, one cylindrical member requires about three strong cylindrical reinforcing members, and the reinforcing member is inserted into the cylindrical member at regular intervals. Since it takes a lot of time to fix the assembly work, the cost is high.

An object of the present invention is to reasonably simplify the structure of a paper container while maintaining the strength required for the container.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the paper container of the present invention is a girder material in which upward and downward concave grooves are alternately continuous by repeatedly bending a paper board made of corrugated cardboard into a U-shaped cross section. Reinforcing material that is configured by forming two recessed grooves with a predetermined interval among the continuous recessed grooves as a fork insertion groove of a forklift, and bending the strip plate in a zigzag shape in the remaining recessed grooves. And the deck board made of paper board such as corrugated cardboard is adhered to the surface of the above-mentioned girder material and the folding pieces formed on the four sides of the deck board are folded on the four circumferential surfaces of the girder material and attached. Then, a cut groove is formed at a position corresponding to both end openings of the fork insertion groove in the folding piece to form an opening closed by the ear material, and the ear material is folded upward to open the opening. It is a thing.

[0006]

[Action]

 According to the above means, the main body of the pallet is constructed by covering and adhering the deck board on the upper surface of the girder material formed by bending a paper board made of corrugated cardboard or the like. The girder material is formed into a substantially corrugated plate by alternately connecting upward concave grooves and downward concave grooves formed in a U-shaped cross section by bending a paper board, and each concave groove formed continuously. Constitutes multiple digits. The deck board is adhered to the upper surface of the above-mentioned girder material by covering, and the folding pieces formed on the four sides thereof are folded back and adhered to the four circumferential surfaces of the suspension members to be integrated with the girder material. By adhering the deck board to the upper surface of the girder as described above, the opening of the upward groove is closed to form a cylindrical girder. Further, among the grooves that are alternately continuous, the two grooves that are located at a predetermined interval are configured as grooves into which the fork of the forklift is inserted. Then, a reinforcing material formed by bending the strip in a zigzag shape is inserted into the remaining concave groove, and the reinforcing material prevents buckling of the girder member formed in a tubular or U-shaped cross section. . A cut groove that forms an opening is formed in a portion of the folded piece that corresponds to the fork groove, and when the ear material surrounded by the cut groove is folded back upward, the opening that was blocked by the ear material opens. It becomes a fork insertion hole. The ear material that has been folded back upwards serves as a rib to increase the bending strength of the girder material, and also serves as a backing plate for the packing string inserted through the fork groove to protect the cargo loaded on the pallet. .

[0007]

[Effect of device]

 As described above, according to the present invention, the deck board is coated and adhered on the upper surface of the girder material in which the upward and downward concave grooves are alternately formed continuously. The pallet structure that is arranged in parallel can be easily configured by a paper board such as a corrugated board. The girder material formed in a cylindrical shape or U-shaped cross section is reinforced by inserting a reinforcing material that is bent in a zigzag shape into the girder material concave groove, so it is effective to reinforce the girder material. It is possible to rationally secure the necessary strength as a pallet. Furthermore, the above-mentioned reinforcing material has a simple structure, and the zigzag structure elastically expands and is evenly packed along the concave groove just by putting it in the concave groove, so that the mounting work is very easy. Also, the openings at both ends of the fork insertion groove are configured so that the ear material that closes the opening is folded back and opened, so that the ear material folded back serves as a rib to increase the bending strength of the girder material. In addition to being able to increase the number, the folded ear material can be used as a backing plate for a packing string that is inserted into the fork insertion groove.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. The paper pallet a shown in FIG. 1 to FIG. 5 is configured by covering and adhering a deck board made of corrugated cardboard on the upper surface of the girder material 1 formed by bending the corrugated cardboard into a substantially corrugated plate shape. There is.

The girder 1 is formed by repeatedly bending a corrugated cardboard into a U-shaped cross section so that the upward groove 1a and the downward groove 1b are alternately continuous. In the case of this embodiment, In this case, two downward concave grooves 1b are formed between the three upward concave grooves 1a. The above-mentioned girder material 1 is formed in a so-called corrugated plate shape, and each groove 1a, 1b is configured to be a girder material extending in the pallet full length direction. The space between the downward grooves 1b in the beam member 1 formed by bending as described above is matched with the space between the forks of the forklift truck, whereby both the downward grooves 1b are formed as fork insertion grooves. A reinforcing material 3 is inserted in each of the upward recessed grooves 1a.

The reinforcing member 3 is formed by bending a strip-shaped plate made of corrugated board in a zigzag shape, and is inserted along the inside of the upward groove 1a with the side edge of the zigzag facing upward. As shown in FIG. 1, the deck board 2 is coated and adhered to the upper surface of the girder member configured as described above after the adhesive c is applied to the flat surface of the downward groove 1b.

The deck board 2 is formed of cardboard into a shape substantially the same as the plan shape of the girder material 1, and folding pieces 21 and 22 are provided along the front and rear sides, respectively. The front and rear folding pieces 21 are formed by connecting a piece 21a that is folded into both front and rear side surfaces of the girder material 1 and a piece 21b that is folded into the bottom surface of the girder material 1 and correspond to the fork insertion groove 1b of the piece 21a. The opening 4 is formed by forming a U-shaped cut groove in the portion to be opened. The opening 4 is opened by folding back the ear piece 4a surrounded by the U-shaped cut groove. The folding pieces 22 on both the left and right sides of the deck board 2 are folded on the left and right sides of the girder material 1 as shown in FIG. Further, the folding piece 21 is adhered in a state where the front and rear folding pieces 21 are further folded from the side surface to the bottom surface of the girder material 1 as shown in FIG.

As a result, the paper pallet a is formed as shown in FIG. 2, and the three cylindrical girder members formed by closing the upper opening of the upward recessed groove 1a with the deck board 2 and the downward facing It is configured such that two girder members formed in a U-shaped cross section by the concave groove 1b are alternately combined. As for the pallet a, the above structure can be easily manufactured from corrugated board or other paper board, and the strength required for the pallet can be reasonably ensured. Further, the reinforcing member 3 bent in a zigzag shape is inserted into the inside of the three girder members which are formed into a cylindrical shape by closing the opening of the concave groove 1a, so that the load of the luggage can be maintained. The buckling of the pallet is prevented, and the compressive strength of the pallet and the bending strength along the entire length can be significantly increased. Further, the reinforcing member 3 can be easily formed by bending a corrugated cardboard into a zigzag shape, and it can be easily mounted because it can be simply inserted into the groove 1a. it can. The reinforcing material 3 may be attached by adhering the deck board 2 to the upper surface of the girder material 1 and then inserting it from one end of the groove 1a as shown in FIG. In this case, an adhesive is applied to the end surface of the reinforcing material 3 bent in a zigzag shape, and then the reinforcing material 3 is elastically expanded inside the concave groove 1a simply by inserting it from one end of the concave groove 1a. Since it is evenly distributed and adhered to the girder material 1 and the deck boat 2, the mounting work is very easy.

As shown in FIG. 2, the ear piece 4a folded upward from the opening 4 on the peripheral surface of the pallet a stands upright at the front and rear edges of the pallet a. According to this, the four ear members 4a function as ribs that reinforce the front and rear edges of the pallet a, and the bending strength in the width direction of the pallet 4 is improved. Further, as shown in FIG. 6, a pallet a ′ is formed by bonding a connecting plate 4a made of corrugated cardboard between the ear pieces 4a that are erected at the front and rear edges of the pallet. Ribs extending in the width direction may be formed. In this case, since the ribs formed can be long and have high strength, the bending strength in the width direction of the pallet a'can be significantly improved. .

When loading luggage on the pallet a configured as described above, for example, as shown in FIG. 7, the luggage b housed in a box or the like must be arranged in the upper, lower, left, and right rows on the upper surface of the pallet a. The piles are piled up, and the packing string d inserted into the fork insertion groove 1b of the pallet a is hung on the luggage b stacked on the pallet a and tightened. In the usual case, when tightening the packing b using the packing string d as described above, the backing plate e is applied to the corner portion of the package b on which the packing string d is suspended so that the packing string d is tightened. Although the baggage b is prevented from being crushed by the attachment, in the case of the pallet a of the present application, the ear material 4a of the opening 4 which is addressed to the lower side of the baggage b 1 can be used as a strong pad.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a paper pallet according to the present invention.

FIG. 2 is a perspective view of the pallet.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view showing a state in which a reinforcing material is inserted from one end of the groove.

FIG. 6 is a perspective view showing a pallet in which a connecting plate is bonded between the ear members.

FIG. 7 is a perspective view showing a state where luggage is placed on a pallet.

[Explanation of symbols]

 a ... Pallet 1 ... Girder material 1a, 1b ... Groove 2 ... Deck board 21, 22 ... Folding piece 3 ... Reinforcing material 4 ... Opening 4a ... Ear Piece

Claims (1)

[Scope of utility model registration request] 1. A girder material in which upward concave grooves and downward concave grooves are alternately continuous by repeatedly bending a paper board made of corrugated cardboard or the like into a U-shaped cross section, and a predetermined number of the continuous concave grooves is formed. The two recessed grooves that are spaced apart from each other are configured as a fork insertion groove of the forklift, and a reinforcing material formed by bending the strip plate in a zigzag shape is inserted into the remaining recessed grooves, and the surface of the girder material. Deck board consisting of corrugated cardboard and the like is covered and adhered, and folding pieces formed on the four sides of the deck board are folded and attached to the four circumferential surfaces of the girder material, and correspond to the both ends of the fork insertion groove in the folding piece. A paper pallet in which a kerf is formed in an area to be closed to form an opening that is closed by ear material, and the ear material is folded back to open the opening.