Closure plug assembly

Details Closure plug assembly Closure plug assembly

1978-04-26

1980-05-20

Goldberg, Gerald

Pipes and tubular conduits

With closures and plugs

Inflatable

73 498, 4255, F16L 5512, G01M 300

Patent

active

042034736

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: 580689 (1897-04-01), Hearne et al.
patent: 827835 (1906-08-01), White
patent: 1506418 (1924-08-01), Evensta et al.
patent: 1814677 (1931-07-01), Fennema
patent: 2299116 (1942-10-01), Svirsky
patent: 2843154 (1958-07-01), Hosking
patent: 3120859 (1964-02-01), Wakley
patent: 3129726 (1964-04-01), Moore
patent: 3241571 (1966-03-01), Garcia

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