B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 21/08 (2006.01) B65D 21/02 (2006.01)
Patent
CA 2230264
This invention is a container with its volume adjustable to the volume of the content therefore minimizing the contact of the content with air as well as minimizing storage space. This is very useful for food or medicine. The container is slowly collapsed by hand as the content is used. A lip on top allows to place the fingers appropriately to do so. When a full volume is required, pulling longitudinally on the top and the bottom of the container stretches it to its maximum size. It is reshaped in its fully open state after using all the content to refill it up with other contents (food or other). The side walls are made of a plastic resilient material which deforms with a pressure from top to bottom. The collapsing feature is accomplished with a series of creuses or pleats in the material. When fully opened the creuses form a wide angle, sideways. When fully closed, the creuses form a very narrow angle and lay almost flat. In between, the creuses where no content is present are collapsed; where there is content, it applies pressure against the walls of the container and prevents the creuses from collapsing. The container retains its collapsed shape because the material will stay and the airtight cap prevents any entry of undesired air to fill up the container. The bottom and lid are shaped allowing stacking.
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