Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1988-09-15
1989-11-28
Walton, George L.
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
137318, 137321, 138 94, 138 97, 403320, 411204, 411262, F16K 4300, F16L 5512
Patent
active
048830852
ABSTRACT:
A method and apparatus for installing a plastic fitting and a line stopping mechanism to a main includes a stopper shaft which is used to remove a completion plug in the fitting during installation, and to control the line stopper mechanism once it is installed within the fitting; a connection between the stopper shaft and an external drive shaft is provided which includes both left and righthanded threads in order to prevent the connection from loosening while it is being torqued in different directions. A method of installing the fitting which includes electric resistance fusing is also disclosed.
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Daghe Joseph L.
Weller Michael E.
Mueller Company
Walton George L.
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