Method of producing a sheath for a multifilament superconducting cable and sheath thus produced
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United States of America Patent
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Issued Date -
Jul 21, 2005
app pub date -
Mar 14, 2005
filing date -
Mar 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method of producing a sheath for a high-temperature multifilament superconducting cable. According to the invention, the sheath is obtained through the co-extrusion of a cylindrical billet (50) comprising at least two concentric cylinders (52, 54, 56). The invention also relates to a sheath for a high-temperature multifilament superconducting cable which is produced using the aforementioned method. The inventive sheath consists of a tube (10) with a multi-layer wall comprising: a pure silver inner layer (12, 16, 22) and at least one second silver-based alloy layer (14, 18, 24, 26).
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