Metal deforming – By deflecting successively-presented portions of work during... – By use of deflectors arranged to bend work longitudinally of...
Patent
1978-06-09
1980-05-06
Mehr, Milton S.
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflectors arranged to bend work longitudinally of...
72161, 72164, 72171, 72175, 166341, 166356, 405168, B21D 302, F16L 400
Patent
active
042010748
ABSTRACT:
In general, the present invention provides processes and apparatus for bending and straightening, or otherwise installing marine pipelines at underwater installations, and includes systems in which marine pipelines are installed at water depths to 250 feet or more, utilizing an underwater chamber which may be operated with its interior wet, dry or combinations thereof. In one form, the system provides for interconnecting wellheads or other stations with manifolds or other stations and comprises running marine pipeline generally vertically downwardly from the water surface into the work chamber, mounted in operative association with an underwater wellhead or station, wherein the pipe is bent in the desired radius and through the desired angle and then straightened to exit from the chamber and wellhead in a substantially horizontal attitude such that it may then be pulled to a manifold or other underwater station with, for example, a wire line.
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patent: 4047416 (1977-09-01), Johnson
Addison William G.
Mehr Milton S.
Transworld Drilling Company
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