JP3309021B2 - Transport container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method for stacking a plurality of containers (hereinafter simply referred to as "containers") by stacking an upper container on a lower container. By stacking the containers compactly, so-called nesting is possible, and by rotating the container located above from the nesting state by 180 degrees on a plane, the container located above is stacked on the container located below, so-called, The present invention relates to a stackable transport container.

[0002]

2. Description of the Related Art FIGS. 9 and 9 are perspective views of a conventional container.
A conventional technique will be described with reference to FIG. 10 which is a plan view of the container shown in FIG.

The container c is composed of opposed long side walls 1 and 2 and also opposed short side walls 3 and 4 and a bottom portion 5. The opening of the container c has the upper end portion and the short side of the long side walls 1 and 2. Flanges 1 ′, 2 ′, 3 ′, 4 ′ extending outward in a substantially horizontal direction from the upper ends of the side walls 3, 4 (hereinafter, when referring to a flange, in general, simply refer to “flange”). 1 ′ ”).

[0004] p1 is formed on the inner wall of the long side wall 1 and has a depth approximately half the depth of the container c. A wide pocket, s1 is a column-shaped narrow support leg extending to a flange 1 'protruding substantially perpendicularly to the outer wall of the long side wall 1 near or at the center of the long side wall 1 adjacent to or approaching the wide pocket p1. The lower end of the narrow leg s1 is located slightly above the bottom surface 5 ′ of the bottom 5, and the first pocket / leg H is formed by the combination of the wide pocket p1 and the narrow leg s1.
1 are formed.

Further, s2 is a column-shaped wide support leg extending to the flange 1 'projecting substantially perpendicularly to the outer wall of the long side wall 1, and the lower end portion of the wide support leg s2 is similar to the narrow support leg s1. , Is located slightly above the bottom surface 5 ′ of the bottom portion 5, and the container c is formed on the inner wall of the long side wall 1 near the center of the long side wall 1 adjacent to or close to the wide support leg s 2. Is a narrow pocket composed of a substantially U-shaped concave portion having a substantially U-shaped concave portion having a depth substantially half of that of the container c and having an open inner and upper portion. The combination of the wide support leg s2 and the narrow pocket p2 allows Two supporting legs / pocket portions H2 are formed.

When stacking the containers c, the narrow legs s1 and the wide legs s2 of the container c located above are
The narrow leg s1 and the wide leg s2 protrude from the outer wall surface of the long side wall 1 by a predetermined amount so as to be placed on the flange 1 ′ of the container c located below.

An inner width w1 along the length direction of the long side wall 1 of the wide pocket p1 forming the first pocket / supporting leg H1.
Is wider than the inner width w2 along the length direction of the long side wall 1 of the narrow pocket p2 forming the second support leg / pocket portion H2,
Further, a narrow supporting leg s forming the first pocket / supporting leg H1.
The outer width w1 ′ along the length direction of the long side wall 1 of the long side wall 1 of the wide supporting leg s2 forming the second supporting leg / pocket portion H2
Is formed narrower than the outer width w2 'along the length direction of the container, and when the container c is nested, the second support leg / pocket H2 is formed in the wide pocket p1 forming the first pocket / support H1. The wide support leg s2 that forms the first pocket and the leg H1 can be inserted into the narrow pocket p2 that forms the second support and pocket H2. I have.

In FIG. 9 and FIG. 10, a first pocket / supporting leg H1 and a second pocket
A supporting leg / pocket H2 is provided, and a first pocket / protrusion H1 is provided at both ends of the long side wall 2 so as to face the first pocket / supporting portion H1 provided at the end of the long side wall 1. An example is shown in which the second pocket / supporting leg H2 is disposed so that the supporting leg H1 faces the second pocket / supporting leg H2 provided at the end of the long side wall 1. First pockets / supporting legs H1 are arranged at both ends of the long side wall 1, and
At both ends of the long side wall 2, second pockets / supporting legs H 2 may be provided opposite to the first pockets / supporting legs H 1 provided at both ends of the long side wall 1.

When stacking the containers c having the above-described configuration, the container c located above and the container c located below are both oriented in the same direction, that is, the long side wall 1 of the container c located above. The long side wall 1 of the container c located below, the long side wall 2 of the container c located above and the long side wall 2 of the container c located below are further connected to the short side wall 3 of the container c located above. The lower side wall 3 of the lower container c is further positioned so that the lower side wall 4 of the upper container c and the lower side wall 4 of the lower container c are positioned vertically. The container c located above is disposed on the container c located above. Accordingly, the projecting portions are provided on the long side walls 1 and 2 of the container c located above,
Two narrow support legs s1 and two wide support legs s2 are placed on the flange 1 'of the container c located below, and the containers c are stacked.

In the case of nesting, the upper container c in the stacking state is rotated by 180 degrees on a plane with respect to the lower container c, and the upper container c and the lower container c are positioned below. The container c is in the opposite direction, that is, the long side wall 1 of the container c located above and the long side wall 2 of the container c located below.
However, the long side wall 2 of the container c located above and the long side wall 1 of the container c located below are further provided with the short side wall 3 of the container c located above and the short side wall 4 of the container c located below. But also
The short side wall 4 of the container c located on the upper side and the short side wall 3 of the container c located on the lower side are respectively positioned in the vertical direction.
The container c located above is arranged on the container c located below.

In such a nesting state, the narrow support s1 of the first pocket / support H1 and the wide support of the second support / pocket H2 projecting from the outer wall of the long side wall 1 of the container c located above. s2 are respectively inserted into the narrow pocket p2 and the wide pocket p1 provided on the inner wall of the long side wall 2 of the container c located below, and project from the outer wall of the long side wall 2 of the container c located above. The narrowed support leg s1 of the first pocket / support portion H1 and the wide support leg s2 of the second support / pocket portion H2 are respectively formed in the narrow pocket p2 provided on the inner wall of the long side wall 1 of the container c located below. And the container c located above and inserted into the wide pocket p1 is inserted into the container c located below, and nesting is completed.

As described above, the upper container c and the lower container c are stacked in the same direction, and the upper container c in the stacking state is positioned lower. The container c is rotated by 180 degrees on a plane with respect to the container c, and the container c positioned above and the container c positioned below are rotated.
A container c that can be nested in the opposite direction is referred to as a same-direction stacking container. The upper container c and the lower container c are stacked in opposite directions, and the upper container c in the stacking state is rotated by 180 degrees on a plane with respect to the lower container c. A container c in which the upper container c and the lower container c can be nested in the same direction is called a different direction stacking container.

[0013]

In the conventional container c as described above, the narrow support legs s1 and the wide support legs s2 are
Since it extends to the flanges 1 'of the long side walls 1 and 2, the area of the outer wall surface of the long side walls 1 and 2 of the container c is reduced, and accordingly, the type of the container c to be affixed to this portion, the container such as the destination There is a problem in that the area of the label on which information about the product c or information about the product such as the type and quantity of the product stored in the container c is small and the necessary information cannot be displayed. When attaching a card insertion for inserting a card displaying such information instead of a label, there is a problem that a sufficiently large card insertion cannot be attached.

Further, the narrow support leg s1 and the wide support leg s2 are
Since it is disposed adjacent to or close to the wide pocket p1 or the narrow pocket p2, the irregularities formed on the outer wall surfaces of the long side walls 1 and 2 increase or the narrow support legs s
1 and the wide pocket p1 and between the wide support leg s2 and the narrow pocket p2, the cleaning performance of the container c deteriorates, and the projections formed by such unevenness. In addition, there is a problem that the worker is injured. Further, when the container c is integrally formed of a synthetic resin, there is a problem that a mold is complicated and a manufacturing cost of the container c is increased.

An object of the present invention is to solve the problems of the conventional transport container as described above and to provide a transport container excellent in workability or handling.

[0016]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a wide pocket and a narrow support leg.
1st pocket and leg, narrow pocket and wide leg
And a second pocket / supporting leg formed on the side wall.
Nesting and stackable transport containers
And the narrow supporting leg of the first pocket / supporting portion is attached to the outer wall.
The width of a rectangular tube protruding near the lower part and having a generally mouth-shaped front
The second pocket is formed by a narrow protrusion.
Adjust the wide support legs of the support
The surface is formed by a wide protruding portion in the shape of a rectangular tube having a substantially mouth shape, and
A rib on the lower horizontal frame of the narrow projection and the wide projection.
When extending upward from the pocket-side end of the upper horizontal frame of the protrusion ,
Reinforcement connected to the lower end of one side wall of the pocket
A rib is provided, and further , a thick portion is formed upward from the upper horizontal frame of the protrusion.

An embodiment of the present invention will be described below, but the present invention is not limited to the embodiment unless it departs from the gist of the present invention.

The container C of the present invention will be described with reference to FIGS. 1 to 3 which are partially enlarged perspective views of various embodiments of the container C of the present invention. Note that the same reference numerals are used for the same components as the above-described conventional container c.

In FIG. 1, p1 is a wide pocket similar to the above-mentioned conventional container c forming the first pocket / supporting leg H1, and g1 is a conventional wide pocket forming the first pocket / supporting leg H1. The front shape of the narrow side protruding portion g1 is a substantially tubular rectangular tube-shaped narrow protruding portion disposed near the lower portion of the outer wall of the long side wall 1 of the container C corresponding to the narrow support leg s1 of the container c. Is configured to be located slightly above the bottom surface 5 'of the bottom portion 5, similarly to the narrow support leg s1.

In FIG. 2, each of g2 and g3 has a side shape as viewed from the short side wall 3, which extends vertically upward from both ends of the upper horizontal frame g1 'of the narrow protrusion g1. By providing such reinforcing ribs g2 and g3, the narrow protruding portion g1 is reinforced by providing such reinforcing ribs g2 and g3, and when the containers C are stacked, the narrow protruding portions are formed by the weight of the container C located above. This prevents the portion g1 from being damaged or otherwise damaged. The reinforcing ribs g2, g3
The side shape viewed from the short side wall 3 is not limited to a triangular shape, and can be formed in a trapezoidal shape or a rectangular shape, and is not limited to both ends of the upper horizontal frame g1 ′, but may be formed in the upper horizontal frame g1 ′. Can also be arranged upward from the central portion of the device.

In FIG. 3, g4 is vertically extended upward from the end of the wide horizontal pocket p1 of the upper horizontal frame g1 'of the narrow protruding portion g1.
The side walls viewed from the short side wall 3 are trapezoidal reinforcing ribs connected to the lower end portion of the side wall p1 ′ from the center of the center. The provision of such reinforcing ribs g4 allows the above-described reinforcing ribs g2 and g3 to be provided. Similarly to the above, when the narrow protrusion g1 is reinforced and the containers C are stacked, the narrow protrusion g1 can be prevented from being damaged or otherwise damaged by the weight of the container C positioned above. As shown in FIG. 4 which is a front view of the container C in the stacking state, the reinforcing ribs g4 are arranged in a straight line in the vertical direction during stacking, so that a part of the weight of the container C located above is Direction, and can be supported by the reinforcing ribs g4 aligned in one direction, so that the lower container C may buckle due to the weight of the upper container C or may have a long side wall 1, 2
Can be prevented from being curved, and more containers C
Can be stably stacked. Note that the shape of the reinforcing rib g4 is not limited to a trapezoid, and may be formed in a square or the like.

In FIGS. 1 to 4, g5 and g6
Is a predetermined height (refers to a height in a direction perpendicular to the outer wall surface of the long side wall 1) which is vertically disposed downward from both ends of the lower horizontal frame g1 ″ of the narrow protrusion g1. When the containers C are stacked, the ribs g5 and g6 of the container C located above are inserted into the openings of the container C located below, and the ribs of the container C located above. g5, g6
Thus, the lateral movement of the upper container C is prevented. Such ribs g5 and g6 can be appropriately disposed as needed, and can be omitted.

As shown in FIG. 5 which is a perspective view of the container C of the present invention, the wide supporting leg s2 constituting the second supporting leg / pocket portion H2 also has a front surface similar to the narrow protruding portion g1 described above. It is formed in a square-tube-shaped wide protruding portion g7 having a substantially mouth shape.
Similar to the relationship between the wide support leg s2 and the narrow support leg s1 disposed on the conventional container c described above, the long side wall 1 of the wide protrusion g7 is provided.
Is formed wider than the width along the length direction of the long side wall 1 of the narrow protrusion g1.

As shown in FIG. 6 which is a perspective view of another embodiment of the container C of the present invention, the upper horizontal frame g7 of the wide projection g7 is similar to the narrow projection g1 described above. The short side wall 3 extends vertically from both ends of the '
It is also possible to provide reinforcing ribs g8, g9 having a triangular side shape as viewed from above. Furthermore, as shown in FIG. 7 which is a perspective view of still another embodiment of the container C of the present invention, the upper horizontal frame g7 ′ of the wide projection g7 is similar to the narrow projection g1 described above. Viewed from the short side wall 3 which extends vertically upward from the end on the side of the narrow pocket p2 and is connected to the lower end of the side wall p2 'near the corner of the container C of the narrow pocket p2. A reinforcing rib g10 having a trapezoidal side surface may be provided.

4 to 7, g11 and g11
Reference numeral 12 denotes ribs, which are arranged vertically downward from both ends of the lower horizontal frame g7 ″ of the wide protruding portion g7, similar to the ribs g5 and g6 described above. When the containers C are stacked, The ribs g11 and g12 of the container C located above are inserted into the openings of the container C located below, and the ribs g11 and g12 of the container C located above allow the ribs g5 and g5 described above to be inserted.
In combination with g6, it prevents the upper container C from moving in the lateral direction.

The protruding portions such as the narrow protruding portion g1 or the wide protruding portion g7 having the above-described configuration are not limited to the same-direction stacking container or the different-direction stacking container. And the narrow pocket p2 and the wide support leg s2 forming the narrow support leg s1 and the second support leg / pocket portion H2 are applied instead of the support legs of the container having the support legs, including a container having the same size. Is what you can do.

FIG. 8 is a partially enlarged perspective view of still another embodiment of the container C of the present invention, showing the long side wall 1 of the portion from the upper horizontal frame g1 'to the flange 1' of the narrow projection g1. An example in which the wall thickness is increased to form the thick portion 6 is shown. By forming such a thick portion 6, the container C is reinforced, and the narrow protrusion g1 is reinforced. When the containers C are stacked, it is possible to prevent the narrow protruding portion g1 from being damaged or otherwise damaged by the weight of the container C located above. Although not shown, a similar thick portion 6 is formed in a portion from the upper horizontal frame g7 'to the flange 1' of the wide protruding portion g7. Such a thick portion 6 can of course be formed in combination with the above-described reinforcing ribs g2, g3 and g10. Further, such a thick portion 6 can be formed to have an appropriate length without extending to the flange 1 'but extending to the lower end of the wide pocket p1 or the narrow pocket p2.

[0028]

Since the present invention is configured as described above, the following effects can be obtained.

In place of the supporting legs, a substantially mouth-shaped projection is provided near the lower portion of the outer wall of the container, so that the area of the outer wall of the container becomes large, and therefore, the label or the label attached to this portion is increased. The card slot attached to the part can be enlarged, and sufficient information about the container and the stored articles can be displayed.

[0030] The irregularities or gaps on the outer wall of the container are reduced, so that the container can be cleaned more easily, and such irregularities can solve problems such as injury to the operator. Therefore, the mold can be simplified and the cost of the container can be reduced.

Since the reinforcing ribs are arranged upward from the upper horizontal frame of the projecting portion, the strength of the projecting portion can be increased, so that more containers can be stably stacked.

Since the reinforcing ribs extending upward from the upper horizontal frame of the projecting portion and connected to the lower end of the side wall of the pocket are arranged, the reinforcing ribs are linearly arranged in the vertical direction during stacking. Because they are lined up, a part of the weight of the container located above can be supported by the reinforcing ribs aligned in the vertical direction, and therefore, the container located below is
Buckling or bending of the side wall of the container due to the weight of the container located above can be prevented, and more containers can be stably stacked.

Since the thick portion is formed upward from the upper horizontal frame of the projecting portion, the container can be reinforced. In addition, when the projecting portion is reinforced and the containers are stacked, the container located above the projecting portion can be reinforced. It is possible to prevent the protrusion from being damaged due to the weight.

[Brief description of the drawings]

FIG. 1 is a partially enlarged perspective view of the container of the present invention.

FIG. 2 is a partially enlarged perspective view of another embodiment of the container of the present invention.

FIG. 3 is a partially enlarged perspective view of still another embodiment of the container of the present invention.

FIG. 4 is a front view showing a stacking state of the container of the present invention shown in FIG. 3;

FIG. 5 is a perspective view of the container of the present invention.

FIG. 6 is a perspective view of another embodiment of the container of the present invention.

FIG. 7 is a perspective view of still another embodiment of the container of the present invention.

FIG. 8 is a partially enlarged perspective view of still another embodiment of the container of the present invention.

FIG. 9 is a perspective view of a conventional container.

FIG. 10 is a plan view of the conventional container shown in FIG. 9;

[Explanation of symbols]

 C ····· Transport container 1, 2 ····· Long side wall 3, 4 ····· Short side wall 6 ········ Thick part 1 'to 4 Flange g1 Narrow protruding part g2-4 Reinforcing rib g8-10 Reinforcing rib g7 Wide protruding part p1・ ・ ・ ・ ・ ・ Wide pocket p2 ・ ・ ・ ・ ・ ・ ・ Narrow pocket

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 21/04

Claims (3)

(57) [Claims] 1. A first pocket comprising a wide pocket and a narrow support leg.
Consists of a ket / support, narrow pocket and wide support
The second pocket / supporting leg is connected to a nest formed on the side wall.
In a transporting container that can be stowed and stacked,
The narrow supporting leg of the first pocket / supporting portion is attached to a lower portion of an outer wall.
A narrow, narrow, rectangular tube with a generally mouth-shaped front face
And the second pocket / supporting leg
Wide support legs projecting near the lower part of the outer wall, frontal shape
Is constituted by a substantially mouth-shaped rectangular cylindrical wide projection, and
Ribs are formed in the lower horizontal frame of the narrow and wide projections
And the upper horizontal frame of the narrow projection and the wide projection.
A transport container characterized by arranging reinforcing ribs upward from above . 2. An upper horizontal frame on the pocket side of the projection .
It extends upward from the end and
2. The transport container according to claim 1, wherein a reinforcing rib connected to a lower end of one of the side walls is provided. 3. An upwardly extending upper frame of the projection.
The transporting container according to claim 1 or 2, wherein a thick portion is formed .