作者: Shoji Hayakawa
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摘要: The object is to provide a pipe connecting structure which can prevent electrical charge of plastic coated metal using simple structure. In order accomplish this object, beads 5 , b c are provided protrude from the outer surface end tube 3 obtained by coating outside bare 1 with nonconductive film 2 removed tip bead expose circumferential exposed portion made contact inner conductive 4 thus and 4.