Shield and method for exposing high voltage power lines and the

Details Shield and method for exposing high voltage power lines and the Shield and method for exposing high voltage power lines and the

2000-01-12

2000-12-19

Brinson, Patrick

Pipes and tubular conduits

Repairing

138 98, 4051501, 228119, F16L 5518

Patent

active

061615870

ABSTRACT:
A tubular shield for exposing underground electrical power lines (especially high voltage power lines), telecommunication lines, cable television lines, fiber optic lines and the like, housed within tubular conduits, has an external diameter less than the internal diameter of the tubular conduits with which the shield is to be used and, for most applications, is provided with a longitudinally extending slot that extends for the entire length of the shield and provides an opening greater in width than the diameter of the line(s) housed within the tubular conduit. To expose a power, telecommunication, cable TV, fiber optic line or the like, that is housed within a conduit, a longitudinally extending slot is cut into the tubular conduit. The tubular shield is then inserted into the tubular conduit through the slot and underneath the line(s) within the tubular conduit to provide a shield between the line(s) and the tubular conduit. The tubular conduit is then cut with a cable saw or similar cutting tool and a section of the conduit is severed from the remainder of the conduit. The conduit and the shield are then removed from about the line(s), with the line(s) passing through the slots in the conduit section and the shield, to expose the line(s).

REFERENCES:
patent: 4175593 (1979-11-01), Sack
patent: 4413765 (1983-11-01), Tracy
patent: 4605155 (1986-08-01), Duesberg et al.
patent: 5368075 (1994-11-01), Baro et al.
patent: 5464141 (1995-11-01), Brindle
patent: 5560397 (1996-10-01), Miller et al.
patent: 5915420 (1999-06-01), Dwight, Jr. et al.
patent: 6092553 (2000-07-01), Hodgson

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