Flexible cryogenic conduit

Details Flexible cryogenic conduit Flexible cryogenic conduit

1998-04-16

1999-12-21

Brinson, Patrick

Pipes and tubular conduits

Flexible

Braided, interlaced, knitted or woven

138129, 138121, 138149, F16L 1111

Patent

active

060035617

ABSTRACT:
A flexible and relatively low cost cryogenic conduit is described. The flexible cryogenic conduit of the present invention comprises a first inner corrugated tube with single braided serving, a second outer corrugated tube with single braided serving concentric with the inner corrugated tube, and arranged outwardly about the periphery of the inner corrugated tube and between the inner and outer corrugated tubes: a superinsulation layer; a one half lap layer of polyester ribbon; a one half lap layer of copper ribbon; a spirally wound refrigeration tube; a second one half lap layer of copper ribbon; a second one half lap layer of polyester ribbon; a second superinsulation layer; a third one half lap layer of polyester ribbon; and a spirally wound stretchable and compressible filament.

REFERENCES:
patent: 4106528 (1978-08-01), Laing
patent: 4233816 (1980-11-01), Hensley
patent: 4303105 (1981-12-01), Rohner
patent: 5485870 (1996-01-01), Kraik

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