Pressure coupling for cleaning water lines

Details Pressure coupling for cleaning water lines Pressure coupling for cleaning water lines

1994-04-05

1995-07-18

Chambers, A. Michael

Fluid handling

Systems

With pump

137357, 137209, 137148, 137801, B67D 537

Patent

active

054332460

ABSTRACT:
A pressure coupling for facilitating connection of an air pump with a water faucet to expel water from water lines connected with the faucet by operation of the air pump. In a preferred embodiment the pressure coupling includes a valve stem threadably seated in a metal cap which threads on the spout of the faucet. The hose of a manual or automatic air pump is threaded on the valve stem to pump air from the air pump into the faucet and through the water pipes connected to the faucet to clear the pipes of water and prevent the pipes from freezing and bursting in freezing weather.

REFERENCES:
patent: 1495671 (1924-05-01), Castellano
patent: 2702201 (1955-02-01), Romanelli et al.
patent: 3101091 (1963-08-01), Schultz
patent: 4239184 (1980-12-01), Dudar
patent: 4355652 (1982-10-01), Perkins
patent: 4755112 (1988-07-01), Houser
patent: 4776362 (1988-10-01), Domingue
patent: 4881567 (1989-11-01), Rockower
patent: 5211782 (1993-05-01), Thelen
patent: 5240028 (1993-08-01), Hoch, Jr.
patent: 5247963 (1993-09-01), Hostetler

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