Importance

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Abstract

A drain fitting for inflatable structures having thin flexible exterior walls defining fluid-containing interior spaces; the filling includes an elongate drain tube with an outer downstream end and an inner upstream end, a coupling port at the outer end of the tube; a closure part releasably engaged with the coupling part; an elongate fluid-conducting support with an outer downstream end and an inner upstream end, a control flow passage and radial openings; a mounting part between and connecting the inner end of the tube and outer end of the support in fluid-conducting relationship, the fitting is to be related to an inflatable structure with its mounting part affixed to a wall thereof, its tube at the exterior thereof and its support in the interior thereof to maintain adjacent portions of walls of the structure spaced apart.

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First Claim