Tubular bodies and methods of forming same

Details Tubular bodies and methods of forming same Tubular bodies and methods of forming same

2011-07-05

2011-07-05

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Flexible

Spirally wound material

C138S134000, C138S135000, C138S172000, C138S143000, C156S143000, C156S195000

Reexamination Certificate

active

07971610

ABSTRACT:
A tubular body comprises an inner hollow core and an outer casing of one or more strips of self mechanically inter-engaging helically wound material having a higher yield strength than that of the core material. Also provided is a method of forming the tubular body comprising the steps of winding the outer core onto the inner core and an end connector for use with said tubular body when said body is provided with helically extending detents on an outer surface thereof.

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