JP2011136717A - Foldable returnable box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foldable returnable box, which is easy to fold, strong to impacts from outside, and excellent in stability for stacking the foldable returnable boxes. <P>SOLUTION: The foldable returnable box comprises: a square or rectangular bottom 11; front and rear side walls 12, 12 and left and right side walls 13, 13, which correspond to the sides of the bottom 11; and a lid 14 extending from the upper side of the rear side wall 12; and a reinforcement plate 15 reinforcing the bottom 11. The reinforcement plate 15 is attached to the lower side of the rear side wall 12 so as to freely turn. The side walls 12, 12 and 13, 13, lid 14, and reinforcement plate 15 are formed from a sheet material incorporating a plate material. By pulling the central portion of the bottom 11 upward, the left and right side walls 13, 13 can be folded inside. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a box used for transporting a product or the like, and after transporting the product or the like to a destination, the empty box is returned to a transport source and used repeatedly.

  Conventionally, paper corrugated cardboard that has been used for transportation of products and the like is usually disposable, and a plastic return box is used. From the aspect of transportation costs, after transporting products, etc., it is desirable to make the returnable box compact and to make it compact, but in the case of plastic, hinges and other parts are required, and further compactification is required. It is desired.

  In view of this, a folding return box has been proposed in which the bottom surface and the lid are formed of cloth, and the four side surfaces are formed by sandwiching a plastic plate between the inner and outer double cloths (Patent Document 1). However, since the bottom part and the lid part are formed of cloth, particularly when the contents are light, the box may be deformed by an external impact and the contents may be damaged. Moreover, when this returnable box is loaded, the stability is poor and there is a risk of causing collapse of the load.

JP 2005-162255 A

  The present invention has been made in order to solve the above-described conventional problems, and the object of the present invention is a folding return box that is easily folded, resistant to external impact, and excellent in stability during loading. Is to provide.

  The folding return box of the present invention comprises a square or rectangular bottom surface, front and rear and left and right side walls corresponding to each side of the bottom surface, a lid extending from the upper side of the rear side wall, and a bottom surface And a reinforcing plate that reinforces the reinforcing plate, the reinforcing plate is rotatably attached to the lower side of the front or rear side wall portion, and the side wall portion, the lid portion, and the reinforcing plate are made of sheet material on the sheet material. The left and right side walls can be bent inward when the central part of the bottom part is pulled up.

  In preferable embodiment, the connecting member which connects the center part of the said bottom face part and the said reinforcement board is provided.

  In a preferred embodiment, a handle is provided at the center of the bottom surface.

  In a preferred embodiment, a cover surrounding the box body in a folded state is provided.

  In a preferred embodiment, a housing portion for housing the cover is provided in the box body.

  In a preferred embodiment, the plate material is a plastic corrugated board.

  The folding return box of the present invention can be folded compactly by a very simple operation, is resistant to external impacts, and has excellent stability during loading.

It is the perspective view which looked at the folding returnable box by preferable embodiment of this invention from the front. It is the perspective view which looked at the state which closed the lid part of the folding type returnable box of Drawing 1 from back. It is AA sectional drawing in FIG. It is a figure which shows the cover of the folding type returnable box of FIG. It is a figure explaining the folding method of the folding returnable box of FIG. It is a longitudinal cross-sectional view of the folding return box according to another preferred embodiment of the present invention.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to these specific embodiments.

  FIG. 1 is a perspective view of a folding return box according to a preferred embodiment of the present invention as viewed from the front, and FIG. 2 is a perspective view of the folded return box as viewed from the rear with the lid portion closed. 3 is a cross-sectional view taken along the line AA in FIG. 1, FIG. 4 is a view showing a cover of the folding return box of FIG. 1, and FIG. 5 shows how to fold the folding return box of FIG. It is a figure explaining. The foldable return box 100 includes a box body 10 and a cover 20 that surrounds the folded box body 10. The box body 10 includes a bottom surface portion 11, front and rear side wall portions 12, 12 and left and right side wall portions 13, 13, a lid portion 14, and a reinforcing plate 15 having a shape corresponding to the bottom surface portion 11. The product or the like is stored in the box body 10 in a state where the bottom surface portion 11 is reinforced by the reinforcing plate 15.

  The bottom surface portion 11 is a square or a rectangle, and in the illustrated example, the bottom surface portion 11 is a rectangle. The lid portion 14 has substantially the same shape as the bottom surface portion 11. Therefore, in the example of illustration, the cover part 14 is made into the rectangular shape. The lid portion 14 extends from the upper side of the rear side wall portion 13 and rotates about the upper side as a rotation axis, so that the opening of the box body 10 can be opened and closed. The front and rear side wall portions 12, 12 and the left and right side wall portions 13, 13 are square or rectangular corresponding to each side of the bottom surface portion 11.

  The bottom surface portion 11 is formed of a sheet material that can be deformed when folded. The side wall parts 12, 12, 13, 13, the lid part 14 and the reinforcing plate 15 are formed by including a plate material in a sheet material. With such a configuration, the contents of the box body can be protected from external impact and can be transported stably. Further, by constituting the plate material by enclosing it with a sheet material, the box body is excellent in appearance, and the plate material is recycled (material or chemical) well without being stained or melted. Furthermore, since the plate material is not damaged (for example, a seam), it is easy to reuse. It is also possible to dye or print the sheet material.

  As the sheet material, a woven fabric or a non-woven fabric is preferably used. This is because it is possible to recycle materials such as auxiliary materials. As a fiber which comprises a woven fabric or a nonwoven fabric, a polyester fiber is mentioned, for example. Further, as the sheet material, polyolefin sheets such as polyethylene and polypropylene used for leisure sheets, vinyl chloride sheets, nylon sheets, polyurethane sheets, biodegradable resin sheets and the like used for agricultural sheets are also preferably used. . This is because it is highly waterproof and can wipe off oil stains. The surface of the sheet material may be subjected to water repellent treatment or antistatic treatment. As the plate material, any appropriate plate material is used according to the weight of the product or the like stored in the box body. A plastic plate is preferably used, and a plastic corrugated board is particularly preferably used. This is because it is lightweight. When the weight of the contents is heavy, a plywood or a flat plate is preferably used. Moreover, as a material which comprises the box main body 10, functions, such as a flame retardance, a nonflammability, waterproofness, moisture proofing, and heat insulation (cold insulation), can be provided.

  As shown in FIG. 3, the side wall parts 12, 12, 13, and 13 contain the plate material which comprises each side wall part in a sheet | seat material, and a sheet | seat material is stitch | sutured between the front and back side wall parts and the left and right side wall parts. ing. The left and right side wall portions 13 and 13 are included in the sheet material in a state where the two divided plates 13a and 13a are arranged side by side at a predetermined interval, and the sheet material is interposed between the two divided plates 13a and 13a. It is sutured. It can be bent along a dividing line 13b between the two divided plates, and the left and right side wall portions 13 and 13 are configured to be bendable inside the box body.

  On the outer sides of the left and right side wall portions 13, 13, strip-shaped handles 3 are respectively provided. Both ends of the handle 3 are sewn to the sheet material so as to straddle the dividing line 13b. A transparent pocket 4 is provided in the front side wall portion 12. The transparent pocket 4 can be used for the purpose of traceability in addition to using slips and sticking stickers.

  As described above, the bottom surface portion 11 is composed of a single sheet material, and the periphery thereof is edged by the edge tape 5. Then, the sheet material and the side wall portion of the bottom surface portion 11 are stitched together via the edging tape 5. The upper end of the side wall portion is also edged with the edge tape 5.

  A handle 11 a is provided at the center of the bottom surface portion 11. When the deformable bottom surface portion 11 is pulled up by the handle 11a, the left and right side wall portions 13, 13 are folded inward so that the divided plates 13a, 13a overlap each other, and the box body 10 is folded. Thus, it can be easily folded and workability is improved. Moreover, since the bottom face part 11 is pulled up and the box body 10 is folded, in the folded state, the bottom face part 11 does not extend outward from the front and rear side wall parts 12 and is folded compactly.

  The reinforcing plate 15 is pivotally attached to the lower side of the front side wall portion 12, and the box body 10 is folded with the reinforcing plate 15 superimposed on the front side wall 12 as shown in FIG. A handle 15a is provided on the upper surface of the reinforcing plate 15, and the reinforcing plate 15 is rotated by the handle 15a. The reinforcing plate 15 (bottom surface portion 11) is designed to have substantially the same shape as the front and rear side wall portions 12 or smaller than the front and rear side wall portions 12, and is housed in the box body 10 when folded. The reinforcing plate 15 is stitched with the sheet material of the front side wall portion 12 and / or the sheet material of the bottom surface portion 11 at the end of the sheet material.

  In another embodiment, as shown in FIG. 6, a connecting member 11 b that connects the central portion of the bottom surface portion 11 and the reinforcing plate 15 is provided. The connecting member 11 b connects the lower surface center portion of the reinforcing plate 15 and the center portion of the bottom surface portion 11. In this embodiment, simultaneously with rotating the reinforcing plate 15 upward, the bottom surface portion 11 is pulled up, and the left and right side wall portions 13 and 13 are bent inward. In this way, the box body 10 is folded by one touch, and the workability is further improved. Further, in a state where the box body 10 is folded, the bottom surface portion 11 is not pulled outwardly from the front and rear side wall portions 12 by being pulled by the reinforcing plate 15, so that the box body can be reliably folded in a compact manner. it can. The connecting member 11b is made of, for example, a belt made of polypropylene or a rubber band, and both ends thereof are sewn to the bottom surface portion 11 and the reinforcing plate 15. The connecting member 11b may be provided to be replaceable using, for example, a hook-and-loop fastener. When the connecting member is deteriorated (for example, when the rubber is fully extended), it can be replaced with a new connecting member.

  The cover part 14 is provided with extending parts 14a, 14b, 14a extending from its three end sides so as to be bendable, and these extending parts are formed of a belt-like sheet material. A hook-and-loop fastener 6a is sewn on the inner surfaces of the extending portions 14a, 14b, and 14a. A hook-and-loop fastener 6b corresponding to the hook-and-loop fastener 6a is sewn to the upper end of the side wall. In the illustrated example, an extending portion is provided as a fastening means between the lid portion and the side wall portion, and a hook-and-loop fastener is employed. However, the present invention is not limited thereto, and for example, a snap, a hook, a fastener, or the like is used. Thus, by providing the engaging means, it is excellent in hermeticity, and it is possible to prevent dust and water from entering the box body.

  A hook-and-loop fastener 7 is sewn on the upper surface of the lid portion 14. A hook-and-loop fastener (not shown) corresponding to the hook-and-loop fastener 7 is sewn to the lower surface of the bottom surface portion 11, and when the box main body 10 is loaded, the returnable boxes can be fixed to each other. It can be surely prevented.

  Pinholes 8 are respectively formed in the front end portion of the lid portion 14, the upper end portion of the front side wall portion 12, and the extending portion 14 b formed on the front side of the lid portion 14. For example, a padlock or a pin is inserted into these pinholes 8 and used for the purpose of preventing theft.

  The cover 20 is attached to the opening (the upper end of the side wall) of the box body 10 so as not to be detached from the box body 10 in order to prevent loss. In the illustrated example, it is attached to the center of the upper side of the rear side wall 13 via a wide rubber 9. As shown in FIG. 4, the cover 20 includes a cap portion 21 formed of a sheet material and a gather portion 22 provided in the opening of the cap portion 21. The gather part 22 is formed of a rubber string sewn to the opening of the cap part 21 so as to be stretchable. As shown in FIG. 5, the cover 20 may not be configured to cover the entire box body 10 in a folded state. The box body 10 is provided with a storage portion 16 that stores the cover 20. In the illustrated example, it is provided on the inner surface of the lid portion 14.

  Although not shown, a pocket capable of accommodating a delivery note or the like may be provided on the inner surface of the box body. Moreover, when transporting food or the like, preferably, a pocket for a cold storage agent or a cold insulation agent may be provided on the inner surface of the box body.

  When transporting a product or the like, the product or the like is stored in the box body 10, the opening of the box body 10 is closed by the lid portion 14, and the hook-and-loop fasteners 6 a of the extension portions 14 a and 14 b of the lid portion are replaced with the hook-and-loop fastener 6 b of the side wall portion. I will be attached. And the box main body 10 which accommodated the product etc. is conveyed by lifting with the handle 3 and 3 etc. In addition, when the contents of the box body 10 are heavy, reinforcing means may be provided on the lower surface of the bottom surface portion 11 or its edge so that the bottom surface portion 11 will not be broken even if the box body 10 is dragged and carried.

  After transport, as shown in FIG. 5, the lid portion 14 of the box body 10 that is an empty box is rotated rearward and overlapped with the rear side wall portion 12. Further, the reinforcing plate 15 is rotated upward and overlapped with the front side wall portion 12. Next, the handle 11a of the bottom surface portion 11 is pulled up, the left and right side wall portions 13 and 13 are folded inward, and the box body 10 is folded. Then, the folded box body 10 is surrounded by the cover 20. By using the cover 20, it is possible to prevent the box body 10 from becoming dirty. Further, since the left and right side wall portions 13 and 13 are not widened and the lid portion 14 is held so as not to rotate, it can contribute to compactness. In this way, the box body 10 can be folded in a compact manner with a very simple operation, leading to an improvement in transport efficiency.

  The folding return box of the present invention is not limited to the configuration of the above embodiment, and can be changed as appropriate. For example, the positions of the cover, the cover accommodating portion, the handle, the pocket, the pinhole, and the like can be changed as appropriate. The number of handles, pockets, pinholes, etc. can be changed as appropriate.

  The folding return box of the present invention is suitably used for transporting products and the like.

DESCRIPTION OF SYMBOLS 10 Box main body 11 Bottom surface part 12 Front and back side wall part 13 Left and right side wall part 14 Lid part 15 Reinforcement plate 16 Storage part 20 Cover 21 Cap part 22 Gather part 100 Folding returnable box

Claims (6)

A box comprising a square or rectangular bottom surface, front and rear and left and right side walls corresponding to each side of the bottom surface, a lid extending from the upper side of the rear side wall, and a reinforcing plate for reinforcing the bottom surface With a body,
The reinforcing plate is pivotally attached to the lower side of the front or rear side wall,
The side wall portion, the lid portion and the reinforcing plate are formed by including a plate material in a sheet material,
When the central part of the bottom part is pulled up, the left and right side wall parts can be bent inward.
Foldable returnable box.   The folding return box of Claim 1 provided with the connection member which connects the center part of the said bottom face part, and the said reinforcement board.   The folding returnable box according to claim 1 or 2, wherein a handle is provided at a central portion of the bottom surface portion.   The folding returnable box according to any one of claims 1 to 3, further comprising a cover surrounding the box body in a folded state.   The folding returnable box according to claim 4, wherein a housing portion for housing the cover is provided in the box body.   The folding returnable box according to any one of claims 1 to 5, wherein the plate material is a plastic corrugated board.

Images