Method and an apparatus for fitting a stopper in a pipe, tube, w

Details Method and an apparatus for fitting a stopper in a pipe, tube, w Method and an apparatus for fitting a stopper in a pipe, tube, w

1987-03-03

1988-11-22

Thronson, Mark J.

Fluent material handling, with receiver or receiver coacting mea

Processes

Plural materials

138 89, 206222, F16L 5512

Patent

active

047858575

ABSTRACT:
The invention relates to a method of stoppering a pipe, or the like. The method uses a two-compartment flexible container, with one compartment containing an activating agent, and the other a foamable resin. After mixing a nipple is attached to a container wall. The nipple, on one end, has rupturing elements to rupture the wall and the other end is connected to a supply hose whose free end is brought to the desired location in the pipe for stoppering the same with foamed resin flowing from the container.

REFERENCES:
patent: 3295724 (1967-01-01), Brooks et al.
patent: 3340336 (1967-09-01), Bender
patent: 3690348 (1972-09-01), Patterson
patent: 3870085 (1975-03-01), Schneider
patent: 4160465 (1979-07-01), Hsu
patent: 4607469 (1986-08-01), Harrison
patent: 4660603 (1987-04-01), Tash

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