Valve for dive mask
AssigneeQDS Injection Molding LLC
InventorChih-Cheng Shiue
Life of this patent
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Abstract
A valve mounted on a dive mask is disclosed. The mask has a closed window frame, a soft skirt extending rearward from the window frame for defining a space between itself and the face of a diver wearing the mask, and one or two windows defined by the window frame. The valve is flexible, tubular and has a first opening at one end in communicating with the space, and a second opening at the other end. The second opening is blocked in an inoperative position and is adapted to open to expel water or air therethrough by increasing pressure in the space or by pressing both sides of the valve.
Claims8
A valve mountable on a dive mask having a closed window frame, a soft skirt extending rearward from the window frame for defining a space between itself and the face of a diver wearing the dive mask, and window means defined by the window frame wherein the valve is flexible, tubular and has a first opening at one end in communicating with the space, and a second opening at the other end, the second opening being blocked in an inoperative position and being adapted to open to expel water or air therethrough by increasing pressure in the space or by exerting an external pressing force upon the valve.
Dependencies are inferred from the claim text.