| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for connecting resin mandrels to each other which suppresses the occurrence of a burr, makes the dispersion of strength small, and enables the connection between the end parts of the mandrels in a short time. SOLUTION: The end parts 1a and 2a of the resin mandrels 1 and 2 are separated and placed to face each other. Coupling metal rods 3 having warpage parts 4 are arranged between the end parts 1a and 2a and heated by a high frequency heating device 5. At least one of the facing end parts 1a and 2a is moved in the mutually approaching direction, and the heated coupling rods 3 are embedded in the end parts 1a and 2a respectively while a resin is heated/melted. COPYRIGHT: (C)2006,JPO&NCIPI
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