Water gate
OwnerRichard L. Halpern, Carl L. Skilesinventors
Life of this patent
Estimating the term…
Abstract
A water gate for a waterway in two species, in one of which an inflatable and deflatable barrier is provided in side and bottom recesses, the gate being in a closed position when the barrier is inflated and an open position when the barrier is deflated, the other of the species providing a curtain which may be raised or lowered by inflating or deflating a balloon disposed at the top of the curtain.
Claims3
Means for retaining pollution in a polluted dominant body of water connected by a waterway to an unpolluted subsidiary body of water and to permit vessels to pass from the dominant to the subsidiary body and from the subsidiary to the dominant body with containment of pollution in the dominant body during such passages, comprising, in combination,
- a pair of gates disposed sequentially in the connecting waterway, comprising in each gate
- a pair of vertically disposed recesses in parallel relationship on either side of the said waterway, connected
- by a horizontally disposed bottom recess, adapted to receive and contain in a collapsed condition a collapsible barrier,
- buoyant means to elevate the barrier to prevent the flow of water through the waterway,
- gravity means to lower the barrier to a collapsed condition, and means to add fluid to and withdraw fluid from the buoyant means,
- said containment being effected during the passage of the vessel by closing the barrier first traversed in said passage before opening the barrier next to be traversed.
Dependencies are inferred from the claim text.