Conducting tube

Details Conducting tube Conducting tube

1989-01-23

1991-01-15

Bryant, III, James E.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138111, 138113, 138122, 138148, F16L 910

Patent

active

049846051

ABSTRACT:
Two concentric corrugated metal tubes have a space therebetween in which there is arranged a superinsulation layer. Between the inner tube and the superinsulation layer there is located a helical spacer to ensure an annular channel to facilitate the evacuation of the space between the corrugated tubes. The spacer is formed of interlaced strands to reduce heat conduction therethrough.

REFERENCES:
patent: 3240234 (1966-03-01), Bond et al.
patent: 3280849 (1966-10-01), Rendos et al.
patent: 3512581 (1970-05-01), Lawton
patent: 3565118 (1971-02-01), Stearns
patent: 3595275 (1971-07-01), Stearns et al.
patent: 4303105 (1981-12-01), Rohner
patent: 4492089 (1985-01-01), Rohnar et al.
patent: 4570678 (1986-02-01), Ziemek et al.
patent: 4570679 (1986-02-01), Schippl

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