| 摘要 |
PROBLEM TO BE SOLVED: To provide a warpage straightening structure for fittings which is highly effective in straightening the warpage and is capable of easily setting characteristics of straightening. SOLUTION: A plurality of supporting points 25, 26, 27 are arranged on a core material itself of the fittings in a manner that they are not aligned on the same straight line in a longitudinal direction of the core material. The core material is provided with the warpage straightening means having a mechanism 27 for applying a tensile force to a linear material 23 provided along these supporting points. COPYRIGHT: (C)2007,JPO&INPIT
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