Back to results
US 5,348,200 AGranted
Automatic closure for a container
OwnerAl Van Den Bergheinventor
Life of this patent
Estimating the term…
Abstract
A closure system for a container which is capable of being manufactured as a single integrated unit. The closure system includes a bellows member which carries a closure member between a closed position and an open position.
Claims14
A closure system for a container comprising:
- a bellows member having a first end area integrally formed with the wall of said container and a second end area;
- the inside wall of said container at said first end area defining a throat element;
- a closure member axially movable within said throat element;
- said closure member contacting said second end area;
- said closure member having a plug portion preventing the flow of fluid material through said throat element when said plug portion is in a closed portion within said throat element;
- said closure member further having outlet means for permitting the flow of fluid material between the inside of said container and the outside environment when said plug portion is not in said closed position;
- said bellows member biased to support said closure member in said closed position when said bellows member is in its relaxed state;
- said bellows member allowing said closure member to be moved out of said closed position.
5 more elements
Dependencies are inferred from the claim text.