| 摘要 |
PROBLEM TO BE SOLVED: To provide a cable for hanging an instrument for watching an inside of a low temperature vessel and the like wherein the cable has good property to handle, good property to keep airtightness when it is hung inside the low temperature vessel, and good property to avoid a risk of a fall of the instrument. SOLUTION: This cable comprises, a hanging wire 22 which is disposed inside the cable centrally, plural inner conductors namely feeding conductors 23 coated by thin insulating covers, signal conductors 24, and so on, which are disposed around the wire 22 in point symmetries regarding the wire 22 as the axis of the symmetries, and a shell 27 which encloses them and bears hanging weight force wherein all above-mentioned members form a compound cable of united structure.
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