Cryogenic transfer hose
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United States of America Patent
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Dec 13, 2011
Grant Date -
Jun 11, 2009
app pub date -
May 31, 2006
filing date -
Jun 8, 2005
priority date (Note) -
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Abstract
A flexible cryogenic transfer hose for connecting two cryogenic facilities, has a length of at least 20 m, and: an inner flexible hose with at least two segments, interconnected via at least two transverse inner connecting members, an outer hose surrounding the inner hose and including a watertight elastomeric or composite material, the outer hose having at least two segments mutually connected via two outer connecting members, the outer hose having a wall thickness of at least 2 cm, a bend radius of at least 2 m, and an internal diameter of at least 20 cm, the inner hose being kept at a distance from the outer hose via spacer elements bridging a distance between the outer wall of the inner hose and an inner wall of the outer hose, which distance is between 0.1 and 0.8 times the internal diameter d.sub.io of the inner hose.
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