Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent
1984-11-19
1987-01-20
Husar, Cornelius J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
By means advancing along terrain and guiding pipe or cable...
405174, 405180, 405 36, E02F 510
Patent
active
046377557
ABSTRACT:
Apparatus for simultaneously burying multiple strands of tubing in a plowed field. The plowed field includes spaced, elongate, generally parallel upstanding beds. A furrow lies in between each adjacent pair of beds. The apparatus buries tubing in the beds. The conduit has an oblong cross sectional area. The apparatus is designed to prevent the tubing from twisting while being buried in the beds.
REFERENCES:
patent: 2118553 (1938-05-01), Garlinger
patent: 3140745 (1964-07-01), Hinkle et al.
patent: 3905200 (1974-09-01), Ylinen
patent: 4200140 (1980-04-01), Baker et al.
patent: 4318638 (1982-03-01), Promersberger et al.
patent: 4397585 (1983-08-01), Fouss et al.
patent: 4447173 (1984-05-01), Schultz et al.
Schultz Charles R.
Tollefson Scott
Wuertz Howard A.
Hall Kristina I.
Husar Cornelius J.
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