Container

a container and notch technology, applied in the field of containers, can solve the problems of a risk of leakage, wear on the side walls of the container, and the container does not contribute to the rigidity or stability of the container,

Inactive Publication Date: 2004-02-26
ECOLEAN RES & DEV AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

0009] One more object of the invention is that it should be possible to make the co

Problems solved by technology

The wrinkle affects the shape and appearance of the container in a negative fashion and, if the worst comes to the worst, causes wear on the side walls and a notch with a risk of leakage.
Such a

Method used

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Examples

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Embodiment Construction

[0010] These and other objects, which will be evident from the following description, are now achieved by a container comprising a compartment which is defined by flexible walls and whose volume depends on the relative position of the walls, two opposite side walls being joined along a common connecting portion, characterised in that a first gas-filled duct means is arranged in the connecting portion along at least a first side of the container.

[0011] As a result, the first gas-filled duct means forms a kind of backbone in the container which gives stiffness and stability in each side of the container in which the gas-filled duct means is arranged. This counteracts the container losing shape and appearance during transport or careless handling. Moreover, the risk of notches by wrinkle-related wear is reduced. By arranging the stiffening in the form of a gas-filled duct means, no new type of material or no further amount of material is added. The inventive container can thus be intro...

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Abstract

A container (1) comprising a compartment (4) which is defined by flexible walls and whose volume depends on the relative position of the walls, two opposite side walls (2) being joined along a common connecting portion (5). The container is characterised in that a first gas-filled duct means (11) is arranged in the connecting portion (5) along at least a first side (12) of the container (1). The invention also concerns a method of producing such a container by forming at least one gap in said side walls (2) in connection with the forming of the connecting portion (5) and, in connection with the filling of the container (1), filling each gap with gas and sealing it to form a gas-filled duct (11, 16, 18).

Description

[0001] The present invention relates to a container of a collapsible type, more specifically such a container comprising a compartment which is defined by flexible walls and whose volume depends on the relative position of the walls, two opposite side walls being joined along a common connecting portion, and a method of producing the same.[0002] A container of the type described by way of introduction is known from e.g. WO9941155 which discloses a container of a collapsible type comprising three wall portions, of which two form opposite side walls and a third one forms a bottom wall. The walls which are made of a plastic material are flexible and interconnected to form a compartment whose volume depends on the relative position of the walls. The container has a carrying means which is integrated with the connecting portion and comprises openings to form a handle.[0003] In the transition between the upper and the lower portion of the container, i.e. between the lower edge of the carr...

Claims

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Application Information

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IPC IPC(8): B31B19/74B65D33/02B65D33/08B65D75/00
CPCB31B19/74B65D75/008B65D33/02B31B2219/23B31B70/008B65D33/00
Inventor ROSEN, AKE
Owner ECOLEAN RES & DEV AS
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