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    • 5. 发明专利
    • Cable and method for manufacturing the same
    • 电缆及其制造方法
    • JP2012238438A
    • 2012-12-06
    • JP2011105821
    • 2011-05-11
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • HASHIMOTO SATOSHIKOBORI TAKAYA
    • H01B7/17B29C47/02B29K75/00H01B7/02H01B13/00
    • H01B7/187B29C47/0016B29C47/06B29C47/065H01B7/1895H01B13/24
    • PROBLEM TO BE SOLVED: To provide a cable which thins its diameter while adequately maintaining appearance, breaking strength and voltage resistance, and further is manufactured while reducing a cost, and to provide a method for manufacturing the same.SOLUTION: The cable 10 is formed by covering a circumference of a pair of insulation wires 1 that are twisted each other, with a sheath 6. The insulation wire 1 is formed by covering a conductor 4 that has a cross-section area of 0.18 mmor more but 0.30 mmor less and is made of a tin copper alloy, with an insulating body 5 of crosslinked polyethylene. The sheath 6 comprises an inner sheath 2 that is extruded so as to cover the circumference of the pair of the insulation wires 1 and made of non-crosslinked polyurethane, and an external sheath 3 that is extruded so as to cover a circumference of the inner sheath 2 and made of non-crosslinked polyurethane. The sheath 6 has a thickness of 0.5 mm or more and an outer diameter of 4.0 mm or less.
    • 要解决的问题:提供一种使其直径变薄的电缆,同时充分保持外观,断裂强度和耐电压,并且进一步在降低成本的同时制造,并提供其制造方法。 解决方案:电缆10通过用护套6覆盖一对彼此绞合的绝缘线1的周边而形成。绝缘线1通过覆盖导体4而形成,导体4具有横截面积 0.18mm 2 以上但0.30mm 2 以下,由锡铜合金构成,绝缘体5 的交联聚乙烯。 护套6包括内护套2,其被挤压以覆盖一对绝缘线1的周边并由非交联聚氨酯制成,外护套3被挤压以覆盖内侧的圆周 护套2,由非交联聚氨酯制成。 护套6的厚度为0.5mm以上,外径为4.0mm以下。 版权所有(C)2013,JPO&INPIT