| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber part for an iron track block that can improve conductivity and durability. SOLUTION: The rubber part comprises a plurality of rubber chevrons 11; and a metal pipe 12 having a connection pin insertion hole 13 in an inner peripheral surface. The rubber chevrons 11 are formed by performing the vulcanization adhesion of an elastic material, such as rubber, where metal powder, such as iron, copper, and brass, and superconductive carbon black are incorporated, to the pipe 12. Additionally, a piano wire 14 for energization is arranged radially from the axial center of the pipe 12 directly on the outer peripheral surface of the pipe 12. COPYRIGHT: (C)2004,JPO&NCIPI
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