Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Patent
1976-10-08
1978-12-19
Aegerter, Richard E.
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
138103, 138178, F16L 914
Patent
active
041301404
ABSTRACT:
A conduit especially suitable for carrying high temperature fluids is disclosed herein and includes an outer casing, a concentric inner core and an intermediate concentric layer of insulation material. The conduit also includes what may be referred to as a pressure relief valve located through the outer casing of the conduit and extending into the concentric layer of insulation material. In the event that the fluid finds its way into this layer of insulation material and in the event it expands, the pressure relief valve provides a readily available passage to the ambient surroundings for the expanding fluid.
REFERENCES:
patent: 735449 (1903-08-01), Berger
patent: 1112622 (1914-10-01), Jones
patent: 2610028 (1952-09-01), Smith
patent: 2930407 (1960-03-01), Conley et al.
patent: 3563572 (1971-02-01), French
patent: 3648728 (1972-03-01), Perry et al.
patent: 3802923 (1974-04-01), Sponar
patent: 4006920 (1977-02-01), Sadler et al.
Cerny Ronald N.
Mollick George M.
Peters Walter B.
Rodrigo Peter
Sadler Thomas H.
Aegerter Richard E.
Bryant III James E.
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
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