Transport and storage container

Details Transport and storage container Transport and storage container

1997-11-07

1999-10-19

Shoap, Allan N.

Receptacles

Sectional

Folding

220 428, 220615, B65D 618, B65D 622

Patent

active

059673567

DESCRIPTION:

BRIEF SUMMARY
BACKGROUND OF THE INVENTION

The invention relates to a transport and storage container with a substantially rectangular base and four side walls.


FIELD OF THE INVENTION

Transport and storage containers are known in most variable designs wherein particularly containers of plastic material with an increasing tendency are used for multiple use containers, and replace one way packages. In order to transport and store empty multiple use containers with as little space as possible it is practical and also known to design these containers with collapsible side walls.
A first collapsible transport containers is known from DE 29 00 857 A1. This transport container consists of a rectangular base plate and four side walls articulatedly connected with the base, with the side walls folding inwards and stiffened with ribs. With this container a pair of opposite side walls with cams fastened thereto is guided in circular-shaped guiding slots in the other pair of opposite side walls. The separation line between the adjacent side walls extends directly in the corner region of the transport container.
It is considered a disadvantage of this known transport container that the manufacturing thereof is comparatively costly because of the circular guiding slots guiding the cams, and that the cams are parts subject to damage which may easily break or be deformed when handled without care such that the function of the transport container is impaired. Furthermore, as the separating line between the adjacent side walls extends directly in the corner region each of the four side walls. As a result, the corner regions may be easily deformed despite the stiffening ribs provided. Therefore this transport container is not very suitable for the storage and the transport of heavy goods particularly when several loaded transport containers are stacked one on top of the other.
From the EP 0 655 392 A2, furthermore a collapsible container is known with four folding side walls. With this container the pivot axes for the side walls are disposed in pairs at different levels wherein the top most pivot axis for the one pair of side walls is disposed so high that a reduction in height of the folded container is only one third of the original height when the side walls are erected.
Furthermore, a collapsible container is known from the EP 0 385 914 B1 comprising a base part and four side walls wherein the side walls also are collapsible inwards. The one pair of side walls is designed with corner-embracing wall regions such that the container comprises a relatively high stability and load carrying capacity in particular when several loaded containers are stacked one on top of the other. However, it is a disadvantage of this known container that, in the folded state, only a limited reduction of height is attained as the remaining height of the container with collapsed side walls is about 40% of the original height of the container when the side walls are erected.
A collapsible transport container is known from DE 81 19 990 U1 which consists of a base plate, four side walls collapsible inwards and being disposed opposite in pairs, and with a plurality of hinges for connecting the side walls to the base plate wherein preferably two opposite side walls are directly connected to the base plate, and the two other opposite side walls are indirectly connected to the base plate by means of borders facing substantially perpendicularly the base plate, and wherein the side walls for the connection with each other in the erected state include guiding stubs, guiding apertures corresponding to the guiding stubs, and snap-in elements. Furthermore, it is provided with this known transport container that the side walls connected to the base plate by means of the borders at their edges extending perpendicularly to the base plate when erected are provided with stop webs extending substantially along the total length of the edges with the stop webs abutting at the side walls directly connected to the base plates. With this known transport container a good reduction

REFERENCES:
patent: 3628683 (1971-12-01), Friedrich
patent: 4186841 (1980-02-01), Buckley et al.
patent: 4240555 (1980-12-01), Jurasek
patent: 4674647 (1987-06-01), Gyenge et al.
patent: 4693386 (1987-09-01), Hughes et al.
patent: 5323921 (1994-06-01), Olsson
patent: 5467885 (1995-11-01), Blinstrub
patent: 5588549 (1996-12-01), Furtner

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