Method of replacing pipe-type power cables with extruded-dielectric cables
US10243332B1 · kind B1 · utility
0Cited by
11References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 5, 2017 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Sep 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G1/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of replacing pipe-type power cables is disclosed. The method includes the steps of using a pipe cutting rod to burst existing pipe; using an expander to expand soil surrounding the existing pipe to create a path for a new conduit or pipe; pulling the new conduit or pipe into the path created by the expander; and pulling new cables into the conduit or pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.