公开(公告)号：US4559414A

公开(公告)日：1985-12-17

申请号：US638366

申请日：1984-08-07

Applicant: Kuniji Kito ,  Akihiro Watanabe ,  Shigeo Mori

Inventor： Kuniji Kito ,  Akihiro Watanabe ,  Shigeo Mori

IPC: H01B17/02 ,  H01B17/38 ,  H01B17/50 ,  H01B17/08

CPC classification number: H01B17/38 ,  H01B17/02

Abstract: An electrolytic corrosion resistant insulator includes an insulator body having a cavity therein and a metallic pin having a portion located within the cavity and secured therein by cement. A sacrificial anode surrounds the pin at an intermediate portion thereof and protrudes radially from the pin. Part of the sacrificial anode is covered by the cement. An electric insulating film of a synthetic resin is lamination-attached to the pin and covers substantially the entire outer surface of the portion of the pin which is secured within the cavity by the cement. The electric insulating film also covers approximately half of the upper portion of the sacrificial anode. The electric insulating film is free from pin holes and has a thickness between 200 and 600 micrometers.

Abstract translation: 电解腐蚀绝缘体包括其中具有空腔的绝缘体和金属销，所述绝缘体具有位于腔内的部分并且通过水泥固定在其中。 牺牲阳极围绕销在其中间部分并且从销径向突出。 牺牲阳极的一部分被水泥覆盖。 合成树脂的电绝缘膜被层压安装到销上，并且基本上覆盖由水泥固定在腔内的销部分的整个外表面。 电绝缘膜还覆盖牺牲阳极的上部的大约一半。 电绝缘膜没有针孔，并且具有在200和600微米之间的厚度。