Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1992-11-09
1993-08-31
Walton, George L.
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
138 93, F16K 710, F16L 55136
Patent
active
052400310
ABSTRACT:
An inflatable bladder type valve that is used to restrict the flow of water passing through an irrigation pipe is described for insertion through a standard size opening or through an enlarged opening in an irrigation pipe. Means to convey a fluid, such as air, under pressure to the bladder type valve and an air release valve for limiting the air pressure are described. Means to secure the bladder type valve in position include a reinforced hook attached to a hose, a tapered wedge attached to a hose, and a high friction surface on the valve. A covering is placed over the bladder to restrict the dimensions of the bladder when it is inflated. A taped plug is described for restricting the flow of water through the enlarged opening when the valve is removed.
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Clarkson Douglas M.
Rinne, Jr. Risto A.
Walton George L.
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