Apparatus for stopping the flow of natural gas

Details Apparatus for stopping the flow of natural gas Apparatus for stopping the flow of natural gas

1992-05-18

1994-11-22

Scherbel, David A.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 94, F16L 55128

Patent

active

053659767

ABSTRACT:
A device for stopping the flow of fluid under pressure from an open-ended pipe including a clamp adapted to grasp a pipe adjacent its open end. A stopper holder extends from the clamp and is alignable with the open end of the pipe. The stopper is adapted to be held by the stopper holder in a position aligned with the open end of the pipe, and adapted to be inserted from the aligned position into the pipe to stop the flow of fluid from the pipe.

REFERENCES:
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patent: 1226209 (1917-05-01), Harris
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patent: 2977992 (1961-04-01), Jensen
patent: 3601852 (1971-08-01), Bjalme
patent: 3993103 (1976-11-01), Hammer
patent: 4349047 (1982-09-01), Ditto et al.
patent: 4625765 (1986-12-01), O'Donnell et al.
patent: 4687026 (1987-08-01), Westman
patent: 5168902 (1992-12-01), Hood

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