Apparatus for cleaning the interior of pipelines

Details Apparatus for cleaning the interior of pipelines Apparatus for cleaning the interior of pipelines

2005-02-22

2005-02-22

Warden, Sr., Robert J. (Department: 1744)

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

C138S093000, C134S16700R

Reexamination Certificate

active

06857158

ABSTRACT:
An apparatus for removing deposits from the interior surface of a conduit while being advanced through the conduit by virtue of pressurized upstream liquid includes front and rear assemblies interconnected in a manner to permit limited movement there between. The rear assembly contains a mechanism for receiving the upstream liquid and increasing its pressure. The liquid of increased pressure is fed to a rotating nozzle in the front assembly. High velocity water jets emergent from the nozzle strike the interior surface of the conduit to dislodge deposits. A resilient sidewall in one or both assemblies expands by virtue of the liquid of increased pressure to apply a controlled braking force against the interior surface of the conduit.

REFERENCES:
patent: 3600736 (1971-08-01), Smith et al.
patent: 3902528 (1975-09-01), Tartabini et al.
patent: 4077080 (1978-03-01), Ross
patent: 5875803 (1999-03-01), Leitko et al.
patent: 6070285 (2000-06-01), Geppert

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