| 摘要 |
PROBLEM TO BE SOLVED: To improve durability and reliability by providing a heat-shrinkable tubing made of the same material as that of a flexible tube body on an outer peripheral face of the flexible tube body made of fluororesin. SOLUTION: This two layer flexible tube is composed of the flexible tube body 1 formed by fluororesin, having spiral cross section, and being freely bent and the heat-shrinkable tubing 2 formed on the outer peripheral face 1a of the flexible tube body 1 and made of fluororesin. COPYRIGHT: (C)2006,JPO&NCIPI
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