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INFLATABLE FUNNEL

  • US 3,815,646 A
  • Filed: 01/29/1973
  • Issued: 06/11/1974
  • Est. Priority Date: 01/29/1973
  • Status: Expired due to Term
First Claim
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1. An inflatable funnel comprising an inner funnel shaped member formed of a foldable, air and liquid tight, soft, resilient Filmlike material;

  • an outer funnel shaped member telescoped over said inner member and formed of a foldable, air and liquid tight, soft, resilient, film-like material;

    said inner and outer members being sealed together to form an air-tight chamber therebetween which permits said space to be filled with air to inflate said unit into an essentially semi-rigid funnel, and means for introducing and withdrawing air from said chamber.

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