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公开(公告)号：US20130225029A1
公开(公告)日：2013-08-29
申请号：US13880088
申请日：2011-11-11
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
IPC分类号： H01T21/02
摘要： A spark plug includes a ceramic insulator extending in the direction of an axis (CL1) and a metallic shell provided around the ceramic insulator. Talc is pressed charged between the ceramic insulator and the metallic shell and a crimp portion is formed for fixing the metallic shell and the ceramic insulator while the metallic shell having the ceramic insulator inserted thereinto is supported by a tubular receiving member. The receiving member is made movable in relation to a pressing jig in its radial direction. Thus, at the time of pressing of the talc, etc., the eccentricity between the center axis (CL2), (CL3) of the pressing jig and the axis (CL1) in the radial direction can be reduced, whereby the misalignment between the axis (CL1) and the center axis of the metallic shell or the like assembly error can be suppressed.
摘要翻译： 火花塞包括沿轴线（CL1）延伸的陶瓷绝缘体和设置在陶瓷绝缘体周围的金属壳。 在陶瓷绝缘体和金属壳之间压制滑石，并且形成用于固定金属壳和陶瓷绝缘体的卷曲部分，而具有插入陶瓷绝缘体的金属壳由管状接收构件支撑。 接收构件相对于按压夹具在其径向方向上可移动。 因此，在挤压滑石等时，可以减小按压夹具的中心轴线（CL2），（CL3）与径向轴线（CL1）之间的偏心率，由此， 轴（CL1）和金属壳等的中心轴的组装误差可以被抑制。
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公开(公告)号：US08939808B2
公开(公告)日：2015-01-27
申请号：US13880088
申请日：2011-11-11
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
摘要： A spark plug includes a ceramic insulator extending in the direction of an axis (CL1) and a metallic shell provided around the ceramic insulator. Talc is pressed charged between the ceramic insulator and the metallic shell and a crimp portion is formed for fixing the metallic shell and the ceramic insulator while the metallic shell having the ceramic insulator inserted thereinto is supported by a tubular receiving member. The receiving member is made movable in relation to a pressing jig in its radial direction. Thus, at the time of pressing of the talc, etc., the eccentricity between the center axis (CL2), (CL3) of the pressing jig and the axis (CL1) in the radial direction can be reduced, whereby the misalignment between the axis (CL1) and the center axis of the metallic shell or the like assembly error can be suppressed.
摘要翻译： 火花塞包括沿轴线（CL1）延伸的陶瓷绝缘体和设置在陶瓷绝缘体周围的金属壳。 在陶瓷绝缘体和金属壳之间压制滑石，并且形成用于固定金属壳和陶瓷绝缘体的卷曲部分，而具有插入陶瓷绝缘体的金属壳由管状接收构件支撑。 接收构件相对于按压夹具在其径向方向上可移动。 因此，在挤压滑石等时，可以减小按压夹具的中心轴线（CL2），（CL3）与径向轴线（CL1）之间的偏心率，由此， 轴（CL1）和金属壳等的中心轴的组装误差可以被抑制。
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