Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent
1993-09-13
1994-06-07
Coe, Philip R.
Pipes and tubular conduits
With closures and plugs
Inflation stem type
138 91, F16L 5510
Patent
active
053180755
ABSTRACT:
A water soluble drip stop plug for stopping water flow in a pipe and for dissolving after a predetermined time after water flow is restored. The plug is a cup shaped water soluble plug which has tapered sides to fit snugly into the inside diameter of pipes. The end wall of the plug is designed to dissolve in a predetermined time after contact with fluids. The end wall of the plug has a different wall thickness than the side wall of the plug. A preferred embodiment has an end wall with a portion of reduced wall thickness which allows it to break away quicker than the remainder of the end wall. Additionally, the drip stop plug may have reinforced side walls to provide support for plugs of larger diameter.
REFERENCES:
patent: 3148798 (1964-09-01), Brown
patent: 3157203 (1964-11-01), Ver Nooy
patent: 3338499 (1967-08-01), Gilbert
patent: 3613936 (1971-10-01), Kaiser
patent: 3675685 (1972-07-01), Potter
patent: 3807457 (1974-04-01), Logsdon
patent: 3811423 (1974-05-01), Dickinson, III et al.
patent: 4114653 (1978-09-01), Carlin
patent: 4185665 (1980-01-01), Flimon
patent: 4357960 (1982-11-01), Han
patent: 4607664 (1986-08-01), Carney et al.
patent: 4627850 (1986-12-01), Deters et al.
patent: 4930459 (1990-06-01), Coffenberry
patent: 4952429 (1990-08-01), Schmitz et al.
patent: 5186214 (1993-02-01), Savard
Coe Philip R.
Hook James F.
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