Collapsible container with durable bottom shell
AssigneeAquapore Moisture Systems, Inc.
InventorPaul A. Schneider
Life of this patent
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Abstract
A collapsible container includes a cylindrical sidewall extending between a top and a bottom of the container. The sidewall is formed of a flexible material which enables the container to be opened to an expanded configuration or closed to a collapsed configuration. A coil spring biases the container to the open configuration. The coil spring has a top coil adjacent the top of the container and a bottom coil adjacent the bottom of the container. A durable bottom layer is affixed to the bottom of the container.
Claims28
A collapsible container, comprising:
- a cylindrical sidewall formed of a flexible material, the sidewall having an upper end adjacent a top of the container and a lower end adjacent a bottom of the container;
- a coil spring biasing the container to an expanded configuration, the coil spring having a top coil adjacent the top of the container and a bottom coil adjacent the bottom of the container;
- and
- a durable bottom shell affixed to the bottom of the container.
A collapsible container having an expanded configuration and a collapsed configuration, comprising:
- a sidewall formed of a flexible material, the sidewall having an upper end adjacent a top of the container and a lower end adjacent a bottom of the container;
- a coil spring biasing the container to the expanded configuration, the coil spring having a top coil adjacent the top of the container and a bottom coil adjacent the bottom of the container;
- and
- a durable bottom layer affixed to the bottom of the container.
A collapsible container having an expanded configuration and a collapsed configuration, comprising:
- a cylindrical sidewall formed of a flexible material, the sidewall having an upper end adjacent a top of the container and a lower end adjacent a bottom of the container, the sidewall being collapsible and expandable along an axis extending between the top and the bottom of the container;
- and
- a durable plastic shell secured to the bottom of the container.
Dependencies are inferred from the claim text.