Spacer for coaxial tube systems

Details Spacer for coaxial tube systems Spacer for coaxial tube systems

1977-10-31

1979-07-24

Footland, Lenard A.

Pipes and tubular conduits

Plural duct

With spacer and encircling element

138114, 138148, F16L 918

Patent

active

041619668

ABSTRACT:
Spacer for concentrically disposed tube systems where a temperature drop exists between adjacent tubes. This may consist, for example, of a superconducting electric cable or alternatively of a tube system for carrying heated liquid or gaseous media. The concentric tubes are spaced by a winder which touches the surfaces of adjacent tubes at particular points and which consists of ribbons of insulating material disposed adjacent to each other. The individual ribbons are so formed and so arranged that they touch adjacent tube surfaces either at only individual points or at lines.

REFERENCES:
patent: 3592238 (1971-07-01), Scheffler et al.
patent: 3670772 (1972-06-01), Ziemek et al.
patent: 3756902 (1973-09-01), Konecny et al.

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