| 摘要 |
Brassiere underwires are made in a three step process in which, initially, pairs of injection molded polyamide tips are formed on a continuous flexible strand of carbon fiber or aramid fiber material which can be baked to impart stiffness thereto. In a second step, the strand is cut between the tips to form lengths having the tips at extremities thereof. The lengths are then shaped in a half barrel or plate mold and baked to harden the materials.
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