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    • 1. 发明专利
    • Method of joining hardly joinable metallic parts and spectacle frame manufacturing by this method
    • 通过该方法接合硬质合金金属部件和方框制造方法
    • JP2003021811A
    • 2003-01-24
    • JP2001206514
    • 2001-07-06
    • Horikawa Inc株式会社ホリカワ
    • KIHARA TAKESHI
    • G02C5/00B23K1/00B23K1/19B23K103/14
    • PROBLEM TO BE SOLVED: To provide a method of joining hardly joinable metallic parts which is capable of joining metallic parts consisting of a hardly joinable metal, such as a nickel-titanium alloy, with sufficient joining strength even if a joining area is small. SOLUTION: The method of joining the hardly joinable metallic parts comprising joining the two hardly joinable metallic parts of a spectacle frame to each other has a process step of forming a hollow section having a broad section and a narrow section in the first hardly joinable metallic parts, a process step of forming a base 12 by plastically deforming a third joining member 10 formed of the same material as the material of the second hardly joinable metallic parts by pressure and occluding and fixing the same to this hollow section and a process step of directly joining the second hardly joinable metallic parts to the base 12. Accordingly, the spectacle frame which produces the sufficient joining strength and does not therefore give rise to an allergic symptom and the dislodgment of the parts can be provided.
    • 要解决的问题:即使接合面积小,也可以提供一种接合难以接合的金属部件的方法,该方法能够将由诸如镍 - 钛合金的几何接合金属组成的金属部分接合,具有足够的接合强度。 解决方案:包括将眼镜架的两个难以接合的金属部件彼此接合的难以连接的金属部件的方法具有在第一难接合金属部件中形成具有宽截面和窄截面的中空部分的工艺步骤 通过压力将由与第二难接合金属部件的材料相同的材料形成的第三连接部件10塑性变形并将其封闭并固定到该中空部分上,形成基座12的工艺步骤和直接 将第二难以接合的金属部件接合到基部12.因此,可以提供产生足够的接合强度并且因此不会引起过敏症状和部件脱离的眼镜架。