Abstract: The invention pertains to construction earth-moving machinery for overhauling of main oil pipelines, gas pipelines, or pipelines for other purposes, namely machines for uncovering pipelines of a broad range of diameters, with trench working much lower than the lower generatrix of the pipeline for digging under it in repair of the pipeline in the trench without its lifting. Furthermore, the invention pertains to operating elements, predominantly of machines for uncovering of pipelines.
Type:
Grant
Filed:
August 30, 1999
Date of Patent:
November 21, 2000
Assignees:
Obschestvo S Orgranichennoi Otvetstvennostju Nauchnoissledovatelsky I Teknichesky Tsentr "Rotor", Aktsionernoe Obschestvo OtkrytogoTipa Aktsionernaya Kompania Po Transportu Nefti "Transneft", National Stock Company
Inventors:
Alexandr V. Bykov, Stanislav K Vasilenko, Alexandr S. Dzhardzhimanov, Marat Sh. Ibragimov, Alexandr S. Kumylganov, Jury M. Mamontov, Aly A. Movchan, Vladimir D. Musiiko, Vladimir P. Reshetnikov, Valery D. Chernaev, Viktor I Yakovlev