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Multi-chambered container with collared O-ring

  • US 7,127,912 B2
  • Filed: 01/10/2003
  • Issued: 10/31/2006
  • Est. Priority Date: 01/10/2003
  • Status: Expired due to Fees
First Claim
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1. A multi-chambered container comprising:

  • a container body for storing a first substance, the container body having a neck defining an annular groove and surrounding a first opening;

    a hollow member for storing a second substance, the hollow member including a curved wall and defining a second opening and a selectively sealable third opening; and

    a collared O-ring having an annular base mounted in the groove and a ring-shaped collar extending from the base outside of the groove and toward the first opening;

    wherein the curved wall of the hollow member is moveable between a first position in which a portion of the curved wall is pressed against the collared O-ring and disposed to block the first opening such that the first stored substance is separated from the second stored substance, and a second position in which the first opening aligns with the second opening to form a passage between the interior of the bottle and the interior of the hollow member such that said first substance forms a mixture with said second substance.

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