Swift Enterprises, Ltd.

Don Bower

William Benjamin Stein

A vent cap is provided for releasing gas from containers, while preventing spillage of the contents therein when the container is tipped from a vertical position. The vent cap has a ball bearing mounted in a ball bearing containment chamber on the top thereof which, when the container is in an upright vertical position, allows release of gases from the container but, when the container is tipped, allows a piston disposed within the vent cap to close off gas release ducts formed in the vent cap, thus effectively preventing spillage of the containers contents.

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West Lafayette, IN, United States of America

Don Bower