JP2002145249A - Tray made of corrugated board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tray made of a corrugated board, capable of easily storing vegetables and fruits even in the case where the tray is in a temporarily assembled state. SOLUTION: The tray made of a corrugated board is constituted in such a manner that each pair of side walls 2 and end walls 3, which are connectively provided at peripheral edges of a bottom wall 1, are made to erect, that folding pieces 4 connectively provided to both side edges of each side wall 2 are made to extend inwardly along each end wall 3, that connecting sheets 5 connectively provided on both sides of an upper edge of each end wall 3 are folded inwardly, and that each side wall 2 is embraced by embracing sheets 6, each extending from a side edge of the connecting sheet 5, so that a shape of the tray is retained. In this tray, the connecting sheets 5 are divided into both side parts of each end wall 3, and an inner end sheet 13 extending from the upper edge of the end wall 3 is provided between the divided connecting sheets 5. By enfolding the inner end sheet 13, each folding piece 4 is pinchingly held by both of the end wall 3 and the inner end sheet 13. Thus, even in a temporarily assembled state in which the connecting sheets 5 are pushed up, the erect state of the side walls 2 and the end walls 3 can be reliably maintained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a cardboard tray suitable for storage and other uses.

[0002]

2. Description of the Related Art Conventionally, as a tray for transporting fruits and vegetables such as cucumbers and eggplants, as shown in FIG. Are bent along the inside of the end wall 53, and the connecting plate 55 connected to the upper end edge of the end wall 53 is bent inward to extend from both side edges of the connecting plate 55. The one made of cardboard which inserts the tip of the holding plate 56 into the lower part of the side wall 52 and keeps the shape is used. When storing fruits and vegetables in this tray, a moisturizing sheet made of polyethylene or the like is laid on the bottom, fruits and vegetables are arranged on the bottom, and the fruits and vegetables are wrapped in the moisturizing sheet.

[0003]

However, in the above-described tray, it is difficult to pack the fruits and vegetables in the assembled state in which the connecting plate 55 is bent inward, and when the connecting plate 55 is flipped up, the side walls 52 and the end walls 53 are formed. There is a problem that the standing state cannot be maintained.

Therefore, an object of the present invention is to provide a cardboard tray which can easily store fruits and vegetables in a temporarily assembled state.

[0005]

In order to solve the above-mentioned problems, according to the present invention, a pair of side walls and end walls connected to the peripheral edge of the bottom wall are erected, and bent pieces connected to both side edges of the side wall are provided. Cardboard tray that holds the side wall along the inside of the end wall, folds the connecting plate connected to the upper end edge of the end wall inward, and embraces the side wall with holding plates extending from both side edges of the connecting plate. In the above, the connecting plate is divided into both side portions of the end wall, and an inner end plate extending from an upper end edge of the end wall is provided therebetween, and the inner end plate is rolled up, so that the bent piece is connected to the end wall and the inner end plate. It was decided to pinch it.

With this configuration, the upright state of the side wall and the end wall is reliably maintained even in the temporarily assembled state in which the connecting plate is flipped up. In this state, the fruits and vegetables can be easily stored in every corner of the tray. it can.

Further, when the side walls are opposed to each other so as to spread upward, and a protruding portion is provided at a middle portion of the upper end edge of each side wall, the trays can be connected to each other by the protruding portions of the connecting plate and the side walls during stacking in a temporarily assembled state. The displacement is regulated, and the trays at each stage are stabilized.

When the portion of the end wall to which the inner end plate is connected is lowered by one step, it becomes easier to grasp and the transportability at the time of stacking is improved.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

In the corrugated cardboard blank shown in FIG. 1, a pair of side walls 2 and an end wall 3 are continuously provided on the periphery of the bottom wall 1, and bent pieces 4 are continuously provided on both side edges of the side wall 2. I have. Fan-shaped connecting plates 5 are provided on both sides of the end edge of the end wall 3.
Are connected to each other, and the holding plate 6 is connected to the outer edge of the connecting plate 5.

An insertion piece 7 protrudes from the leading edge of the holding plate 6, and an insertion hole 8 is provided in the side wall 2 along a ridge line with the bottom wall 1. Projections 9 are formed on both sides of the distal end edge of the side wall 2, and engagement holes 10 are formed on the outer side of the connecting piece 5 along the ridge line with the holding plate 6.
Are provided, and a protruding portion 11 is provided in a middle portion of the end edge of the side wall 2.

At the leading edge of each end wall 3, the portion sandwiched between the connecting plates 5 is one step lower, and an inner end plate 13 is connected to the portion via a top plate 12. A projection 14 is provided on the distal end edge of the inner end plate 13, and an engagement hole 15 is provided on the bottom wall 1 along a ridge line with the end wall 3.

In order to assemble the blank and store fruits and vegetables, first, as shown in FIG. 2, the side wall 2 and the end wall 3 are erected from the bottom wall 1 and the bent piece 4 is set along the inside of the end wall 3. After bending as described above, the inner end plate 13 is rolled in, the projection 14 is inserted into the engagement hole 15, and the front end of the bent piece 4 is sandwiched between the end wall 3 and the inner end plate 13.

As a result, the upright state of the side walls 2 and the end walls 3 is maintained. In this tray, the moisturizing sheets can be set in advance and stacked in a tentatively assembled state with the connecting plate 5 flipped up. it can.

Further, the interval between the opposing side walls 2 is widened upward, so that the lower part of the upper tray is connected to the connecting plate 5 and the protruding portion 11 where the lower tray stands when the stacking is temporarily performed.
The upper and lower trays are restrained from shifting relative to each other, and the trays at each stage are stable even though they are empty and lightweight, and the collapse of the stacked state is prevented.

When the fruits and vegetables are packed in such a manner, the stacked trays can be sequentially taken out from the upper side to pack the fruits and vegetables, and since the connecting plate 5 is up, the fruits and vegetables can be packed. It can be efficiently stored in every corner of the tray.

On the other hand, after the fruit and vegetables packing operation is completed, the connecting plate 5 is bent inward as shown in FIG.
When the projection 9 is engaged with the engagement hole 10, the holding plate 6 is bent downward along the outer surface of the side wall 2, and the insertion piece 7 is inserted into the insertion hole 8, whereby the side wall 2 and the end wall 3 are fixed. As a result, the tray has a solid structure.

At this time, since the side wall 2 and the end wall 3 stand up at a predetermined angle in advance, the aligned fruits and vegetables are not disturbed, and the insertion piece 7 can be easily inserted into the insertion hole 8. Can be done.

Further, when a thick A-stage corrugated cardboard is used as a material for the tray, even when heavy vegetables and fruits are stored, the bottom is not easily loosened.

Further, as shown in FIG.
When stacked in the assembled state, the lower part of the upper tray is fitted between the protrusions 11 of the lower tray, and the protrusion 11 of the lower tray and the side edge of the holding plate 6 of the upper tray are in contact with each other. Since the trays are in contact with each other, the upper and lower trays are prevented from shifting from each other, and the collapse of the load is prevented.

As shown in FIG. 5, the projecting portion 11 of the side wall 2 is made to be narrow, and the projection 1 provided on the lower portion of the tray is formed.
6 may be engaged with the notch 17 of the protruding portion 11 to prevent the upper and lower trays from shifting from each other.

In the upper end edge of the end wall 3 of the tray, a portion to which the inner end plate 13 is connected is one step lower than a portion to which the connecting piece 5 is connected.
A gap is formed in a lower portion of the end wall 3, and a hand can be put into the gap to easily transport the upper tray.

Further, the height of the lower portion of the end wall 3 is 30 m.
If the height is set to about m to 90 mm, this part can be easily grasped.

[0024]

As described above, in the corrugated cardboard tray according to the present invention, the bent piece is sandwiched between the end wall and the inner end plate.
Even in the tentatively assembled state in which the connecting plate is flipped up, the upright state of the side wall and the end wall is reliably maintained, and in this state, fruits and vegetables can be easily stored.

Further, when the side walls are opposed to each other so as to spread upward, and a protruding portion is provided at a middle portion of the upper end edge of each side wall, the stacking can be performed stably even in a temporarily assembled state.

When the portion of the end wall to which the inner end plate is connected is lowered by one step, it becomes easier to grasp and the transportability at the time of stacking is improved.

[Brief description of the drawings]

FIG. 1 is a diagram showing a blank of an embodiment of a tray according to the present invention.

FIG. 2 is a perspective view showing a temporary assembly state of the above.

FIG. 3 is a perspective view showing an assembled state of the above.

FIG. 4 is a partial perspective view showing a stacked state of the above.

FIG. 5 is a partial perspective view showing a stacked state of another embodiment of the same.

FIG. 6 is a perspective view showing a form of a conventional tray.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom wall 2 Side wall 3 End wall 4 Bending piece 5 Connecting plate 6 Embedding plate 11 Projection part 13 Inner end plate

Claims (3)

[Claims] 1. A pair of side walls 2 connected to the periphery of a bottom wall 1
And, the end wall 3 is erected, the bent pieces 4 connected to both side edges of the side wall 2 are arranged along the inside of the end wall 3, and the connecting plate 5 connected to the upper end edge of the end wall 3 is bent inward. In a corrugated cardboard tray for holding and holding the side wall 2 by a holding plate 6 extending from a side edge of the connecting plate 5, the connecting plate 5 is divided into two side portions of the end wall 3, and the end wall 3 A corrugated cardboard tray comprising an inner end plate 13 extending from an upper end edge, wherein the bent piece 4 is sandwiched between the end wall 3 and the inner end plate 13 by winding the inner end plate 13. 2. The corrugated cardboard tray according to claim 1, wherein the side walls 2 are opposed to each other so as to expand upward, and a projecting portion 11 is provided at a middle portion of an upper edge of each side wall 2. 3. The cardboard tray according to claim 1, wherein a portion of the end wall 3 to which the inner end plate 13 is connected is lowered by one step.