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Tamperproof reclosing lid

  • US 5,219,087 A
  • Filed: 11/20/1991
  • Issued: 06/15/1993
  • Est. Priority Date: 05/31/1989
  • Status: Expired due to Term
First Claim
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1. A tamper proofing mechanism for a reclosable container comprising:

  • a cover frame having a downwardly facing U-shaped groove into which in use, a planar cut edge of the container is pushed and fastened, an exterior side, and an open interior;

    a cover element having a locking means;

    a hinge means for hingedly connecting said cover element to said cover frame such that said cover element is pushed into and releasably locked by said locking means in the interior of said cover frame to seal the container and such that said cover element is movable from the locked position to an open position where the interior of said cover frame is accessible;

    wherein said cover element includes a projecting appendage including (a) a tear tab portion, (b) a weakening means for allowing an easy separation of said tear tab portion from a remainder of said projecting appendage connected to said cover element, and (c) a lock portion spaced distally from said tear tab portion and said cover element, said projecting appendage being folded, when the container is initially sealed by said cover element, downwards, below, and behind the exterior side of said cover frame into said U-shaped groove such that said lock portion of said projecting appendage is fastened in said U-shaped groove with said planar cut edge of the container and such that said tear tab portion must be separated first from the remainder of said projecting appendage and cover element before any movement of said cover element about said hinge means is permitted.

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