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1. 发明申请

US20120267270A1 PROTECTIVE SLEEVE FOR SPARK PLUG 审中-公开
标题翻译： SPARK PLUG保护套
公开(公告)号：US20120267270A1
公开(公告)日：2012-10-25
申请号：US13427010
申请日：2012-03-22
申请人： Atsushi IWAMI , Yoshihiro NAKAMURA , Ken HANASHI , Kenichirou TAKADA , Kaori DOI
发明人： Atsushi IWAMI , Yoshihiro NAKAMURA , Ken HANASHI , Kenichirou TAKADA , Kaori DOI
IPC分类号： B65D85/00
CPC分类号： B65D59/04
摘要： A protective sleeve for a spark plug includes a center electrode, an insulator, an attachment fitment having an attachment screw section formed on an outer peripheral surface thereof, and a ground electrode. A protective sleeve is disposed in a detachable manner on the outer periphery of the attachment screw section. The attachment fitment includes a flange section that has a diameter larger than that of the attachment screw section on a base end side of the attachment screw section. The protective sleeve includes a main body cylinder section having an inner diameter that is the diameter of the attachment screw section or larger, and smaller than the diameter of the flange section, a large diameter cylinder section having an inner diameter that is the diameter of the flange section or larger, and a step section formed between the large diameter cylinder section and the main body cylinder section.
摘要翻译：用于火花塞的保护套包括中心电极，绝缘体，具有形成在其外周表面上的附接螺丝部分的接合配件和接地电极。保护套以可拆卸的方式设置在安装螺丝部分的外周上。附接装置包括在安装螺钉部的基端侧的直径大于安装螺纹部的直径的凸缘部。保护套筒包括具有作为安装螺钉部的直径的内径的主体筒部或更大的直径，并且比凸缘部的直径小的直径为直径的直径的筒部，凸缘部分或更大的台阶部分，以及形成在大直径圆筒部分和主体滚筒部分之间的台阶部分。

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