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US 4,570,678 AGranted
Conduit system for transporting low temperature fluids
AssigneeKabelmetal Electro GmbH
InventorsGerhard Ziemek, Klausdieter Schippl
Life of this patent
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Abstract
The conduit system is comprised of a corrugated inner and a corrugated outer tube with a helical spacer in between, the spacer being comprised of intertwined, stranded and/or, braided ceramic fibers.
Claims5
Low temperature conduit system which includes a first inner metal tube and a second outer metal tube concentric to the first inner tube with an evacuated space in between the tubes, a spacer for holding the inner tube concentric to and in the outer tube being comprised of a helical assembly of a large plurality of ceramic filaments or fibers which are intertwined, stranded and/or braided together.
Dependencies are inferred from the claim text.