Collapsible, self-expanding liquid container

  • US 5,429,437 A
  • Filed: 08/09/1994
  • Issued: 07/04/1995
  • Est. Priority Date: 08/09/1994
  • Status: Expired due to Term
First Claim
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1. A collapsible liquid container device comprising a bottom member having a perimeter, a wall member having a bottom edge and an upper edge, said bottom edge connected to the perimeter of said bottom member to form a liquid impermeable container having an open top, a floating member connected to said upper edge of said wall member, and a resilient frame member connected adjacent to said perimeter of said bottom member, said frame member being collapsible from an open stable configuration into a smaller stable configuration, said frame member utilizing stored energy to self-open from the smaller stable configuration to the open stable configuration, whereby said device can be collapsed into a small configuration for storage and self-opens into a full open configuration for use.

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