Fluid blocking device

Details Fluid blocking device Fluid blocking device

1994-08-11

1995-08-22

Scherbel, David A.

Pipes and tubular conduits

With closures and plugs

Laterally insertable

138 89, 138 97, 137 15, 137318, F16L 55132

Patent

active

054430950

ABSTRACT:
A fluid blocking device for a pipeline having a saddle fitting over an opening in the wall of the pipeline. The device includes an elongated, resilient plug passable through the pipeline opening to block passage of fluid through the pipeline. A resilient ring around the resilient plug mates with the opening in the pipeline and with the saddle fitting to form a fluid tight seal therewith.

REFERENCES:
patent: 2913012 (1959-11-01), McCurley
patent: 3091260 (1963-05-01), Milanovits et al.
patent: 3115163 (1963-12-01), Van Epps et al.
patent: 3120246 (1964-02-01), Alter
patent: 3991791 (1976-11-01), Luckenbill
patent: 5186199 (1993-02-01), Murphy et al.
patent: 5316037 (1994-05-01), Martin

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