Long-distance heating conduit

Details Long-distance heating conduit Long-distance heating conduit

1977-05-16

1979-04-10

Aegerter, Richard E.

Pipes and tubular conduits

Combined

With trench

138103, 138107, 138111, 138114, 138149, 138115, 138156, 138178, F16L 100, F16L 914, F16L 922

Patent

active

041483413

ABSTRACT:
A long-distance heating conduit comprising one or more tubes which carry the heating medium, are laid in the conduit and are surrounded individually or jointly by at least one layer of heat-insulating material and are covered by at least one cover foil which extends in a closed path round the tube or tubes and is provided with holes.

REFERENCES:
patent: RE14970 (1920-10-01), Steffens
patent: 367262 (1887-07-01), Battin
patent: 2312282 (1943-02-01), Peet
patent: 2405330 (1946-08-01), Ryder
patent: 2451145 (1948-10-01), Baker et al.
patent: 2532587 (1950-12-01), Williamson
patent: 2773512 (1956-12-01), Burk
patent: 2778759 (1957-01-01), Stephens et al.
patent: 2857648 (1958-10-01), March
patent: 3150691 (1964-09-01), Peterson
patent: 3492029 (1970-01-01), French et al.
patent: 3890447 (1975-06-01), Shatney

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