System for sealing and heat-insulating a duct containing a hot f

Details System for sealing and heat-insulating a duct containing a hot f System for sealing and heat-insulating a duct containing a hot f

1974-02-05

1976-01-20

Huckert, John W.

Pipes and tubular conduits

Distinct layers

With intermediate insulation layer

138108, 138113, 138114, 138121, 138173, 138175, 138176, 52249, 165136, 165169, F16l 502

Patent

active

039331822

ABSTRACT:
A duct for the circulation of a hot fluid under pressure and formed in a cold structure of concrete is lined with rigid heat-insulating material such as pumice concrete. A corrugated lining membrane is applied in close contact with the heat-insulating material by means of radial members which are disposed in uniformly spaced relation and anchored in the cold structure.EEEEEEEEEEEEEEEEEEEEEEEEEEEEE

REFERENCES:
patent: 2330966 (1943-10-01), Gottwald et al.
patent: 3424239 (1969-01-01), Coudray

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