JP2008265795A - Container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container which is capable of restraining a fall in strength and rigidity thereof while it is kept foldable. <P>SOLUTION: The container 10 includes a container body 11 having half the front plate parts 32A and half the rear plate parts 32B bent at the front and rear ends of the right and left side plates 31A, 31B. The container body 11 is made of plastic corrugated cardboard of 7 to 11 mm in thickness. The bent sections 33, wherein half the front plate parts 32A and half the rear plate parts 32B are bent for forming, extending from the front and rear ends of the right and left side plates 31A, 31B, are made by cutting out the plastic corrugated cardboard into a V-shape thereat from its inner layer, for the plastic corrugated cardboard to be bent at approximately 90° to be welded as it is kept bent, and furthermore, in the vicinities thereof, cuts 34 are provided in the outer layer that do not reach to the inner layer, so that the container becomes foldable. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a container used by a carrier or the like to carry luggage.

2. Description of the Related Art Conventionally, when performing small-lot delivery, a carrier or the like places a container on a cart, and accommodates and transports a plurality of delivery items in the container. Examples of the container include those shown in Patent Document 1. In the container, the four peripheral walls (front and rear and left and right) are formed of six boards. That is, each of the six boards is formed by accommodating a vacuum heat insulating material (plate material) inside a bag-shaped sheet material (see FIG. 2 of Patent Document 1). , Each pair is formed by connecting a pair of boards at the center. Moreover, each board is connected by sewing each other's sheet material at each outer edge. And this container can be folded now by folding the location which each board connects.
JP 2005-239166 A

However, in the conventional container, a portion connecting the peripheral wall portions, that is, a side edge corner portion of the container is formed by sewing the sheet material. Moreover, the vacuum heat insulating material and board | plate material accommodated in the inside of the sheet | seat material made into the bag shape are the things whose thickness is about 5 mm. The configuration of the side edge corners and the plate material having a thickness of about 5 mm due to such sewing reduces the strength and rigidity of the container.
The present invention has been made paying attention to such problems existing in the prior art. An object of the invention is to provide a container that can be folded and can suppress a decrease in strength and rigidity.

  In order to achieve the above object, the container invention according to claim 1 includes a container body in which a semi-front plate portion and a semi-rear plate portion are bent from the front and rear ends of the left and right side plates, a front covering portion, Inserted into a cloth jacket composed of a rear surface covering portion, left and right side surface covering portions, and a bottom surface covering portion, the half front surface plate portions and the half rear surface plate portions of the left and right side surface plates are brought together, and the front surface of the cloth covering The upper edge portion of the covering portion, the rear surface covering portion, and the left and right side surface covering portions protrudes from the upper edges of the left and right side plates, the semi-front surface plate portion, and the semi-rear surface plate portion of the container body by a predetermined width, and the protruding portion is The container body is bent and fixed inward from the upper edges of the left and right side plates, the half front plate portion and the half rear plate portion, and the cover plate covering portion is extended from the upper edge of one side covering portion of the cloth jacket Then, the lid plate is accommodated in the lid plate covering portion, and the bottom plate can be taken out on the bottom surface covering portion. The container body is made of plastic corrugated cardboard having a thickness of 7 to 11 mm, and the plastic corrugated cardboard is arranged in a corrugated shape or a honeycomb shape along the front-rear direction and the left-right direction, and before and after the left-right side plates. In the bent part where the half front plate part and the half rear plate part are bent from the end, the plastic corrugated cardboard is V-cut from the inner layer and welded in a state of being bent by approximately 90 °, and further in the vicinity of the outer layer The gist is that it can be folded with a cut that does not reach the inner layer.

  According to the said structure, rigidity was improved by having formed the container main body with the plastic corrugated cardboard of thickness 7-11mm. In addition, the bent portion that becomes the boundary between the left and right side plates and the half front plate portion or the half rear plate portion is welded in a state where the plastic corrugated cardboard is V-cut from the inner layer and bent by about 90 °. The strength of the part is increased. In addition, the container can be folded by making a cut that does not reach the inner layer from the outer layer in the vicinity of the bent portion, and bending the cut with the cut. Therefore, although it can be foldable, it is bent by cutting so as to avoid the bent portion, so that the strength at the bent portion is ensured.

  ADVANTAGE OF THE INVENTION According to this invention, the fall of intensity | strength and rigidity can be suppressed, setting it as the structure which can be folded.

Hereinafter, an embodiment embodying the present invention will be described with reference to FIGS.
1 is an exploded perspective view showing a container according to the embodiment, FIG. 2 is a perspective view showing the container according to the embodiment, and FIG. 3 is a perspective view showing a state where the container according to the embodiment is folded. In FIG. 3, the drawing is slightly enlarged as compared with FIGS. 1 and 2 for easy understanding.
The container 10 includes a container main body 11 and a cloth jacket 12. The container main body 11 has a pair of U-shaped plates 13 constituting a peripheral wall and a bottom plate 14 constituting a bottom wall. The cloth jacket 12 includes a left side covering portion 15A and a right side covering portion 15B that respectively cover the left and right side surfaces of the container body 11, and a front covering portion 16A and a rear surface covering portion 16B that respectively cover the front and rear surfaces of the container body 11. And a bottom surface covering portion 17 that covers the bottom surface of the container body 11. The container 10 also includes a lid 18. The lid portion 18 includes a lid plate covering portion 19 extending from the upper edge of the right side surface covering portion 15B of the cloth jacket 12 and a lid plate 20 accommodated in the lid plate covering portion 19. Then, the container 10 raises the bottom plate 14, brings the U-shaped plates 13 into a folded state, and then approaches each other, and folds the lid 18 so as to overlap the U-shaped plates 13. As a whole, it can be folded into a single plate.

  Further, in the container 10, a belt 21 for fixing the container 10 to a cart or the like is attached to the side edge of the rear surface covering portion 16 </ b> B of the cloth jacket 12. From the front and rear side edges and the left side edge of the lid portion 18, stop pieces 22 are provided for fixing the lid portion 18 in a closed state when the container 10 is used. Each of the stopper pieces 22 is provided with a hook-and-loop fastener 23, and the hook-and-loop fasteners 23 are also provided on the outer surfaces of the left side cover portion 15A, the front cover portion 16A and the rear cover portion 16B at positions corresponding to the stop pieces 22. The lid portions 18 are fixed by joining the surface fasteners 23 to each other. In addition, you may abbreviate | omit and comprise these belts 21, the stop piece 22, and the hook_and_loop | surface fastener 23 as desired.

  The U-shaped plate 13 and the bottom plate 14 in the container main body 11 and the lid plate 20 in the lid portion 18 are made of plastic cardboard 25 as shown in FIG. The plastic corrugated cardboard 25 is connected between a pair of layers 26 by a core 27, and is arranged so that a corrugated shape or a honeycomb shape formed by the layer 26 and the core 27 is along the front-rear direction and the left-right direction. The plastic cardboard 25 has a thickness of 7 to 11 mm. If the thickness is less than 7 mm, the container 10 does not have the desired strength. If the thickness exceeds 11 mm, the plastic corrugated cardboard 25 is difficult to process, and the weight of the container 10 increases.

  The U-shaped plate 13 includes a left side plate 31A or a right side plate 31B, and a semi-front plate portion 32A and a semi-rear plate portion 32B that are bent from the front and rear ends of the left side plate 31A or the right side plate 31B, respectively. The left side plate 31A and the right side plate 31B constitute a left side wall and a right side wall of the container body 11, respectively. In each U-shaped plate 13, the half front plate portions 32 </ b> A and the half rear plate portions 32 </ b> B are aligned when the U-shaped plate 13 is inserted into the cloth jacket 12 and are joined. Not. The half front plate portions 32A and the half rear plate portions 32B constitute the front wall and the rear wall of the container main body 11, respectively. Then, when the container 10 is folded, the front wall and the rear wall of the container body 11 are folded in half at a position where the half front plate portions 32A and the half rear plate portions 32B are brought together.

As shown in FIG. 4B, in the container main body 11, the U-shaped plate 13 is bent from a single plastic cardboard 25. That is, in the U-shaped plate 13, the bent portion 33 formed by bending the half front plate portion 32A (or half rear plate portion 32B) from the front and rear ends of the left side plate 31A (or right side plate 31B) is the plastic cardboard 25. Of the pair of layers 26 from the inner layer 26A which is the inside of the container body 11 (the cut line is indicated as V in FIG. 4 (b)) and then welded in a state bent approximately 90 °. Is formed by.
Further, in the vicinity of the bent portion 33, a cut 34 that does not reach the inner layer 26 </ b> A from the outer layer 26 </ b> B outside the container main body 11 of the pair of layers 26 is made in the plastic cardboard 25. In the notch 34, the half-front plate portion 32A (or half-rear plate portion 32B) is rotatable with the uncut portion of the inner layer 26A being the center of the hinge. The character-shaped plate 13 can be folded into a single plate.

  The cloth jacket 12 is formed by sewing one or a plurality of sheet materials cut into a predetermined shape into a substantially box shape. In the cloth jacket 12, the left side surface covering portion 15A, the front surface covering portion 16A, and the upper edge portion of the rear surface covering portion 16B are connected to the left side surface plate 31A, the half front surface plate portion 32A, and the half rear surface plate portion of the container body 11, respectively. The protruding portion 35 is formed by protruding a predetermined width from the upper edge of 32B. The projecting portion 35 is arranged so that the container main body 11 is accommodated in the cloth sheath 12 from the upper edges of the left side plate 31A, the half front plate portion 32A, and the half rear plate portion 32B. Is bent. Furthermore, with the protruding portion 35 being bent inside the container body 11, the outer cover fixing frame 36 is fitted into the upper edges of the left side plate 31A, the half front plate portion 32A, and the half rear plate portion 32B. The protruding portion 35 is fixed to the upper edge of the container body 11.

  As shown in FIGS. 5A and 5B, the half front plate portions 32A (or half rear plate portions 32B) are located at the upper edge of the half front plate portion 32A (or half rear plate portion 32B). A stepped notch 37 is formed at the corner to be brought together. A U-shaped notch 38 is formed at a position corresponding to the notch 37 in the protruding portion 35 of the front covering portion 16A (or the rear covering portion 16B). By providing the U-shaped notch 38, the cloth jacket 12 is prevented from interfering between the half front plate portions 32A (or between the half rear plate portions 32B) when the container 10 is folded. It is easy to fold.

  In the container 10, the bottom plate 14 of the container main body 11 is placed on the bottom surface covering portion 17 of the cloth jacket 12 after being fitted inside the pair of U-shaped plates 13. 10 can be taken out from the inside. Further, a finger hook 39 is cut out on one side edge (left side edge) of the bottom plate 14 so that the finger can be easily pulled out from the container 10. When the container 10 is folded, the bottom plate 14 is caused by a finger being hung on a finger rest 39, and the folded U-shaped plate 13 has a front plate portion 32A, a half rear plate portion 32B, and a right side plate 31B. (Or the left side plate 31A) is held and held (see FIG. 3). In order to accommodate and hold the bottom plate 14 in the container 10 folded in this way, the notch 34 is separated from the position where the V-cut is performed by more than the thickness of the bottom plate 14 and when the container 10 is folded more than necessary. The position is set so as not to increase the thickness.

  As described above, the container 10 is V-cut from the inner layer 26A of the plastic corrugated cardboard 25, bent and welded to form the bent portion 33, and from the outer layer 26B to the inner layer 26A in the vicinity of the bent portion 33. The notch 34 that does not reach is inserted, and the half front plate portion 32A (or the half rear plate portion 32B) is bent by the cut 34. As a result, the container 10 can be composed of a total of four plate members, that is, a pair of U-shaped plates 13, a bottom plate 14, and a cover plate 20, while having a foldable configuration. Furthermore, since it is configured to be bent at the notch 34 and the bent portion 33 always keeps its L-shape in plan view regardless of whether it is used or folded, the strength and rigidity of the container body 11, particularly the load resistance, is improved. Yes.

  The container 10 is not limited to the configuration described in the above embodiment. For example, a tape is attached to the inner layer 26A at the notch 34 to reinforce the portion where the half front plate portion 32A and the half rear plate portion 32B are bent. May be. Further, the half front plate portions 32A and the half rear plate portions 32B may be connected to each other by attaching a tape to the outer layer 26B in a state where the half front plate portions 32A and the half rear plate portions 32B are brought together. .

  In the container of the present invention, the semi-front plate portion, the semi-rear plate portion, and the left and right side plates are integrally formed by bending the semi-front plate portion and the semi-rear plate portion from the front and rear ends of the left and right side plates. The container main body is composed of a total of four plastic corrugated cardboards including two sheets constituting a half front plate part, a half rear plate part, and left and right side plates, a cover plate, and a bottom plate. The plastic cardboard has a thickness of 7 to 11 mm, and has high rigidity and strength. Furthermore, the bent portions of the half front plate portion and the half rear plate portion and the left and right side plates are welded, and a cut is made in the vicinity of the bent portion so that the half front plate portion and the half rear plate portion are bent. Thus, the bent portion is always held in an L shape in plan view and exhibits rigidity. Therefore, the container of the present invention is foldable, has high strength and rigidity, and is excellent in load resistance, and is useful as a container for a carrier to perform small-lot delivery or the like.

The disassembled perspective view which shows the container of embodiment. The perspective view which shows the container of embodiment. The perspective view which shows the state which folded the container of embodiment. (A) is a perspective view which shows a plastic cardboard, (b) is a top view which shows formation of a bending part. (A) is a perspective view which shows the state which looked at the joining part of half front plate parts from the outer side of a container, (b) The perspective view which shows the state which looked at the joining part of half front plate parts from the inside of a container Figure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Container 11 Container main body 12 Cloth outer cover 14 Bottom plate 15A Left side surface covering part 15B Right side surface covering part 16A Front surface covering part 16B Rear surface covering part 17 Bottom surface covering part 19 Cover plate covering part 20 Cover plate 25 Plastic cardboard 26A Inner layer 26B Outer layer 31A Left side plate 31B Right side plate 32A Half front plate part 32B Half rear plate part 33 Bent part 34 Cut 35 Projection part

Claims (1)

A container body that is formed by bending a semi-front plate part and a semi-rear plate part from the front and rear ends of the left and right side plates, and a cloth jacket comprising a front cover part, a rear cover part, a left and right side cover part, and a bottom cover part. The front and rear half plate portions of the left and right side plates and the rear half plate portions of the left and right side plates are brought together, and the upper edge of the front and rear cover portions and the right and left side cover portions of the cloth jacket The left and right side plates, the half front plate portion, and the half rear plate portion protrude from the upper edge by a predetermined width, and the protruding portions are the upper edges of the left and right side plates, half front plate portion and half rear plate portion of the container body. The cover plate covering portion is extended from the upper edge of one side surface covering portion of the cloth jacket, and the cover plate is accommodated in the cover plate covering portion. Is a container on which the bottom plate can be removed,
The container body is made of plastic corrugated cardboard having a thickness of 7 to 11 mm, and the plastic corrugated cardboard is arranged in a corrugated shape or a honeycomb shape along the front-rear direction and the left-right direction. In the bent part that is formed by bending the half-rear plate part, the plastic cardboard is V-cut from the inner layer and welded in a state bent approximately 90 °, and further reaches the inner layer from the outer layer in the vicinity. A container that features folding that can be folded.