| 摘要 |
<p>Device for cutting a pipe (1) transporting fluid in order to stop the circulation of the fluid at any point, characterized in that the device is comprised of a casing (2, 3) susceptible of being sealingly mounted on said pipe (1), said casing (2, 3) containing at least one blade (8) which is driven in rotation and feed motions so as to cut off the pipe (1) by sawing it transversely, said blade (8) forming a stop surface to said circulation along the section plane of the saw blade. Application to the cutting of fluid flow pipes and particularly in the case of accidents such as fires in oil wells.</p> |
