Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Reexamination Certificate
2006-11-07
2006-11-07
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
C405S184100, C405S184300, C405S156000, C138S097000
Reexamination Certificate
active
07131791
ABSTRACT:
Devices and methods for streamlining the completion of work functions within a lateral pipe connected to a main pipe. A variety of different lateral devices may be used to aid in the process of relining the main or lateral pipe. A lateral location device is inserted into the lateral pipe prior to relining of the main pipe and is subsequently used to aid in the conventional cutting of the main-lateral interface. A lateral cutting device actually performs the main-lateral cutting process from within the lateral or from within the main. A lateral inspection device crawls up the lateral for inspection via camera. A lateral relining device aids in the placement of a liner used to reline the lateral pipe. Each of these interchangeable work functions may be optional performed by one or more lateral devices, often carried and inserted by a delivery device.
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Close Eric C.
Slifko Adam
Whittaker William Lawrence
Lagman Frederick L.
RedZone Robotics, Inc.
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