Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1984-03-07
1985-08-27
Novosad, Stephen J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405161, 367 19, F16L 104
Patent
active
045375305
ABSTRACT:
The present invention aims at providing a method and a device therefor which can effectively as well as accurately bury a cable under marine beds not only when a cable is newly laid and buried but also when a cable has to be reburied. The method and the device according to the present invention are characterized in that a burying device is guided to approach the cable by using a travelling member provided on said burying device, a travelling control mechanism thereof being controlled by a receiving output from a transmitter which is mounted on the cable in advance by a receiver provided on the burying device, that the cable is caught and held by a cable engaging member of said burying device while the burying device is detecting the buried cable track and travelling therealong, and that at the same time an excavation member of said burying device digs and forms a groove while the burying device guides and buries the cable within the excavated groove. The method according to the present invention is further characterized in that the burying device is provided with a travelling device which is controlled by the output from a receiver which receives the output from a transmitter on the cable, that said device body is provided at the middle portion thereof with a cable engaging member having a cable engaging mechanism as well as a buried cable route detection mechanism and an excavation member.
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Ishihara Hideo
Iwamoto Yoshinao
Izawa Toshio
Morita Masao
Sakaguchi Hifumi
Hjorth Beverly E.
Kokusai Denshin Denwa Co. Ltd.
Novosad Stephen J.
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