Moisture retention seal

  • US 8,297,461 B2
  • Filed: 02/22/2011
  • Issued: 10/30/2012
  • Est. Priority Date: 08/25/2005
  • Status: Active Grant
First Claim
Patent Images

1. A package comprising:

  • a closure having an interior surface and a protrusion extending from the interior surface, the protrusion having a leading surface; and

    a molded canister having a flexible top portion, the leading surface of the protrusion contacting the flexible top portion of the canister, the leading surface of the protrusion normally applying a generally downward contact force to at least part of the flexible top portion to form a top seal between the closure and the canister, the leading surface of the protrusion deflecting the part of the flexible top portion generally downwardly from a rest position,wherein the flexible top portion of the canister is in the rest position when not connected with the closure,the leading edge of the protrusion deflecting the flexible top portion by a deflection angle from the rest position, the deflection angle being less than about ninety degrees when connected.

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