Conduit laying machine

Details Conduit laying machine Conduit laying machine

2008-10-24

2011-11-01

Mayo-Pinnock, Tara (Department: 3671)

Hydraulic and earth engineering

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

By means advancing along terrain and guiding pipe or cable...

C405S177000, C405S178000, C405S179000, C405S181000

Reexamination Certificate

active

08047744

ABSTRACT:
In one aspect, the invention is directed to a conduit laying system for laying conduit, including a vehicle, a trench former, a conduit feed system and a base material handling system. The trench former is configured for forming a trench. The conduit feed system includes a conduit feed passage having a conduit feed passage inlet for receiving at least one conduit and a conduit feed passage outlet positioned to deposit the at least one conduit in the trench. The base material handling system includes a base material hopper and at least one base material passage. The at least one base material passage is positioned to receive base material from the base material hopper and to discharge base material in the trench around the at least one conduit. The base material handling system, the conduit feed system and the trench former are driven by the vehicle.

REFERENCES:
patent: 3849998 (1974-11-01), Thacker
patent: 3851489 (1974-12-01), Richardson
patent: 4332511 (1982-06-01), Bradley et al.
patent: 4812078 (1989-03-01), Rivard
patent: 5090141 (1992-02-01), Hall
patent: 5119888 (1992-06-01), Hall
patent: 5190409 (1993-03-01), Hall
patent: 6244355 (2001-06-01), Hall
patent: 6318006 (2001-11-01), Hall
patent: 6397500 (2002-06-01), Hall
patent: 6854931 (2005-02-01), Lopata

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