CAP AND PIN INSULATOR AND METHOD FOR MAKING THEREOF

摘要

An insulator member comprises a porcelain insulator head (18) and a polymeri c shed (20) secured to the insulator head (18). The insulator member can be used, for example, in an improved electric al line insulator which comprises: a) an insulator unit comprising a porcelain head, and a polymeric shed secured to the porcelain head; b) a metal cap (12) and a metal pin (14) each situated at a surface of the insulator unit opposite to the other, the porcelain head forming a recess to receive the pin: c) cement mechanically securing (22) the cap to the insulator unit; and d) cement with in the recess (26) and about the pin mechanically securing the pin within the recess. Methods of manufacture are also disclose d.