Device and method for changing lines

Details Device and method for changing lines Device and method for changing lines

2006-06-06

2006-06-06

Lee, Jong-Suk (James) (Department: 3673)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

C405S184000, C175S053000, C175S062000

Reexamination Certificate

active

07056065

ABSTRACT:
A device for replacing lines without excavation including an annular overdrilling head and a drive for rotating a front module arranged on the drilling head.

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