Under ice pipelay apparatus and method

Excavating – Snow or ice removing or grooming by portable device – Process

Patent

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Details

37 72, 37195, 405174, E01H 400, E02F 390

Patent

active

045451397

ABSTRACT:
A construction machine with a cutter is provided to simultaneously cut a slot in an ice sheet, to excavate a trench in the underlying seabed, and to bottom-tow a pipeline in the trench formed by the cutter.

REFERENCES:
patent: 969172 (1910-09-01), Lonney

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