Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1975-04-24
1976-03-30
Schwadron, Martin P.
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
73201, 137 15, 285 30, F16K 4300
Patent
active
039467546
ABSTRACT:
Disclosed in an apparatus and method for changing or replacing domestic or residential-type gas meters without interrupting the gas supply to the service line downstream of the meter and obviating the necessity of shutting off the gas water heater, furnace on other gas appliances in the dwelling. The apparatus includes a member which is clamped around the outlet fitting of the gas meter. A slide carried by the member is moveable to simultaneously close the meter outlet and to introduce an alternate supply of gas to the service line downstream of the meter. After the normal gas supply to the meter inlet is shut off, the meter is removed and a replacement meter is installed by attaching its inlet to the gas supply line and its outlet to aforementioned member. The slide is then again moved to simultaneously place the meter outlet in communication with the service line and to shut off the alternate gas supply.
REFERENCES:
patent: 3310322 (1967-03-01), Carroll
patent: 3615159 (1971-10-01), Munoz
Schwadron Martin P.
Walton George L.
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