Thermally insulated fluid transport line
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United States of America Patent
Stats
-
Sep 2, 1986
Grant Date -
N/A
app pub date -
Dec 4, 1984
filing date -
Jan 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid transport line comprising coaxial inner and outer metal pipes, the inner pipe of which is intended to transport a thermally insulated fluid, is formed by successive sections, the inner and outer pipe portions of which are connected by means of metal rings interposed between successive sections in junction zones. To reduce the effect of the thermal losses thus created, a closed chamber containing a thermally insulating medium is defined round each junction zone by a metal shell which is welded to the outer pipe portions of the successive sections.
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