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US 9,981,297 B2Granted
Coil forming laying head system and method of using
AssigneeRussula Corporation
InventorKeith Fiorucci
Life of this patent
Estimating the term…
Abstract
A coil-forming laying head system including a laying pathway structure defining an elongated hollow pathway adapted to transport elongated materials therein, the laying pathway structure having a flexibility of at least about 50 mm at 23° C.
Claims20
A coil-forming laying head system comprising:
- a laying pathway structure defining an elongated hollow pathway adapted to transport elongated materials therethrough, wherein the laying pathway structure comprises a metal having a flexibility of at least about 50 mm at 23° C. based on a cantilever test in which a straight 1.5 inch diameter, schedule 160 tube having a length of 500 mm, an outer diameter of 48.3 mm, and a wall thickness of 7.14 mm, is attached to a fully rigid structure at a proximal end, and a weight of 1000 kgs is attached to the opposite terminal end of the tube and the pipe is allowed to flex for a time of 60 seconds.
Dependencies are inferred from the claim text.