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

• Current Assignee: Walter J. Zytko
• Original Assignee: Walter J. Zytko
• Inventors: Zytko, Walter J.
• Application Number:
  US04/747,403
• Time in Patent Office: 958 Days
• US Class Current: 222/490
• CPC Class Codes: B65D 55/04 Spring clips, e.g. of wire or of sheet metal

Abstract

A safety closure insertable within the neck of a container and depending a short distance into the container to be used in conjunction with a dropper-dispenser for dispensing liquids from the container. The safety closure is sealed to the container with a flange compressed by the container, the closure having sidewalls depending from said flange along the neck of the container and terminating in a bottom opening and a movable closure element urged into a closed position by spring action.

Claims

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.

2. A plug according to claim 1 wherein said single turn is of a smaller diameter than other turns of said spring.

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;

4. A safety plug for a container having a neck opening and an adjacent interior surface;

said plug comprising a tubular member having a first end engageable with said neck opening and a second end locatable within said container;

a jaw member of larger diameter than said neck opening hinged to said second end and adapted to engage said container surface in sealable relation.

5. A safety plug of claim 4 including a spring transverse said jaw member to urge said jaw into sealing position.