Sub-ducting apparatus

Details Sub-ducting apparatus Sub-ducting apparatus

2011-06-28

2011-06-28

Singh, Sunil (Department: 3672)

Hydraulic and earth engineering

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

Repair, replacement, or improvement

Reexamination Certificate

active

07967530

ABSTRACT:
A sub-ducting apparatus comprising a sub-duct, and a remotely operable path-finding head for facilitation of the subduct into a duct. The head is detachable at the end of the subduct and includes an expandable portion or a cutter, as a result of which, twisted or jammed cables may be removed from the duct.

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Patent Abstracts of Japan vol. 2000, No. 26, Jul. 1, 2002 & JP 2001 258115 A (Nippon Tlegr & Teleph Corp), Sep. 21, 2001.

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