Closure plug assembly

Details Closure plug assembly Closure plug assembly

1976-11-12

1978-10-31

Bell, Houston S.

Pipes and tubular conduits

With closures and plugs

Inflatable

138 94, F16L 5512

Patent

active

041228693

ABSTRACT:
The closure plug assembly is used for pressure testing of fluid drain and vent systems. The assembly comprises an inflatable body portion or bulb connected to a rigid holder portion. The rigid holder portion includes a stem section and a plug section. The stem section is hollow and opens at one end into the inflatable body portion and at the other end receives a valve for pumping fluid pressure into the bulb. A gauge is disposed over the valve end of the rigid stem member to provide a continuous monitoring of the pressure within the bulb.

REFERENCES:
patent: 1814677 (1931-07-01), Fennema
patent: 3409035 (1968-11-01), Miller

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