Underwater trenching & pipelaying apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

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Details

405162, 405164, 37 66, F16L 104, E02F 388

Patent

active

044707207

ABSTRACT:
The apparatus will include a support sled portion having a pair of spaced apart elongated pontoon sections. The pontoons are interconnected by a plurality of I-beam spacer members. A cutter apparatus, including an endless cutter chain projecting into the soil is mounted to the underside of the I-beam spacer members.

REFERENCES:
patent: 3209473 (1965-10-01), Davis
patent: 3238734 (1966-03-01), Rhodes
patent: 3583170 (1971-06-01), De Vries
patent: 3590589 (1971-07-01), Smulders
patent: 3717003 (1973-02-01), Bates
patent: 3751927 (1973-08-01), Perot, Jr.
patent: 3877238 (1975-04-01), Chang et al.
patent: 3926003 (1975-12-01), Norman
patent: 3952532 (1976-04-01), Spearman
patent: 4274760 (1981-06-01), Norman
patent: 4295757 (1981-10-01), Gaspar

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