Composite tubular structure

Details Composite tubular structure Composite tubular structure

2007-12-10

2011-12-06

Wright, Giovanna (Department: 3672)

Flexible or portable closure, partition, or panel

Framed type

Two superimposed frame elements, fabric clamping

C166S207000, C166S242200

Reexamination Certificate

active

08069900

ABSTRACT:
Pipe-in-pipe composite tubular structure having between layers a hardenable filling material associating the layers to enhance the structure mechanical performance mostly in collapse. Prior to harden the filling material, the composite tubular structure can be longitudinally deployable between a folded configuration and a deployed configuration, and has a radial dimension increasing between the folded configuration and the deployed configuration. Such structure is well fitted to be used in oil-well downhole structure and casings or underwater pipeline/flowline.

REFERENCES:
patent: 3104703 (1963-09-01), Rike
patent: 5794702 (1998-08-01), Nobileau
patent: 7225875 (2007-06-01), Steele
patent: 2002/0033554 (2002-03-01), Heagy et al.
patent: 0952305 (1999-10-01), None

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