Closure device for container

In combination, a closure for detachably joining together the edges of an opening in a container and a tool for closing the closure,

• said closure including first and second elongated closure pieces each having an attachment flap attached to one of the edges of said opening and a fastener strip having alternate elongated grooves and hooked ridges which interlock with each other, a riser portion attached at one end thereof to the attachment flap of said second piece and extending substantially normally therefrom and a head portion attached to the other end of the riser portion towards the fastener strip of the first piece, the outer wall of the fastener strip of the second piece having an elongated groove therein for receiving the tool,
• said tool including a pair of arms having cross-arm portions which extend transversely therefrom one above the other, a first larger wheel rotatably mounted on one of said cross-arm portions, a second smaller wheel mounted on the other of said cross-arm portions, a lever attached to said first wheel, said first wheel being eccentrically mounted on its associated cross-arm portion such that when said first wheel is rotatably actuated with said lever it moves towards the second wheel, said second wheel having a pair of grooves separated from each other by a ridge with flange portions being formed along the opposite sides thereof, whereby the tool is installed over said closure with said first wheel abutting against the riser portion of the closure, the inner edge of one of the flange portions of the second wheel being opposite the top surface of the head portion and the ridge of the second wheel engaging the longitudinal groove formed in the outer wall of the fastener strip,
• whereby when the lever is actuated, said wheels are driven towards each other so as to clamp the closure pieces together.