Structure of pipe plug

Details Structure of pipe plug Structure of pipe plug

1989-12-28

1991-07-30

Stodola, Daniel P.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 96R, F16L 5510, B65D 5902

Patent

active

050352652

ABSTRACT:
A pipe plug for sealing the orifice of a pipe, which can be operated through one hand and is comprised of a fastening element, an elastic rubber band, a pressure plate and a lifting eye. The rubber band has rubber pins upstanding from its top surface and set in the grooves of the pressure plate to rub against the edge of a pipe for the positioning of the pressure plate so that the pipe plug can be conveniently operated with one single hand to squeeze the rubber band to expand and to further tightly seal the orifice of the pipe into which the pipe plug is inserted.

REFERENCES:
patent: 3412759 (1968-11-01), Potter et al.
patent: 4175671 (1979-11-01), Holl et al.
patent: 4303101 (1981-12-01), Tholen

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