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CONTAINER SAFETY CLOSURE

  • US 3,558,022 A
  • Filed: 06/12/1968
  • Issued: 01/26/1971
  • Est. Priority Date: 06/12/1968
  • Status: Expired due to Term
First Claim
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1. A safety plug for a container having a neck opening to admit a dropper-dispenser assembly, said plug comprising:

  • a. a tubular member having;

    1. a first end suitable for sealing engagement with said neck opening;

    2. a circumferential groove about its exterior and adjacent said first end; and

    3. a second end locatable within said container;

    b. movable means hingedly mounted to the tubular member at said second end for sealing engagement therewith; and

    c. a helical spring encircling said tubular member and having;

    1. a terminal turn seated in said groove; and

    2. a single turn bearing on said movable means and urging it against said second end and into sealing enGagement therewith.

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