Scarifier for the interior surface of a pipeline

Details Scarifier for the interior surface of a pipeline Scarifier for the interior surface of a pipeline

2006-10-31

2006-10-31

Stinson, Frankie L. (Department: 1746)

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

C134S022120

Reexamination Certificate

active

07128074

ABSTRACT:
An apparatus for scarifying an interior surface of a sewer pipe, which includes a vehicle moveable along an interior of the sewer pipe and a scarifying assembly connected to the vehicle having a fluid nozzle assembly. The fluid nozzle assembly has at least one branch with a fluid nozzle coupled to a distal end of the branch. The nozzle is positioned proximate the interior surface of the passageway. The fluid nozzle assembly is operative to rotate or oscillate and to emit a jet of fluid from the one nozzle against the interior surface of the passageway and to scarify the interior surface of the passageway as the vehicle moves along the passageway.

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