| 摘要 |
PROBLEM TO BE SOLVED: To enable setting in a mold a plurality of connecting terminal pieces in a shape like a middle sleeve divided toward circumference together with a center pin and an outer cylinder sleeve or the like, by temporarily fixing them at a prescribed position, by taking steps to increase the number of poles by way of arranging in a ring shape looked at from the front by forming connecting terminal pieces to connect to a metal ring to become an increased electrode in a shape of a middle sleeve divided into plural parts toward circumference, so that molding of coaxial multipole plugs is easily made by pressure injection of resin material. SOLUTION: With a coaxial multipole plug, a center hole is provided for a center pin to be inserted through at a center part, a transparent hole is provided around the center hole for a connection terminal piece to be inserted through, a resin molding is formed having an insertion fitting face for an outer cylinder sleeve to be fitted at outer circumference, and then, the center pin and a plurality of connection terminal pieces as well as the outer sleeve or the like are mounted and fitted in the center hole, the transparent hole and the insertion fitting face, which, as a whole, are temporarily set in assembly and are put into a molding die to be molded with a resin material.
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