Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-01-23
2007-01-23
Lee, Jinhee (Department: 2831)
Metal working
Method of mechanical manufacture
Electrical device making
C029S874000, C029S884000
Reexamination Certificate
active
11291590
ABSTRACT:
Disclosed is a method for manufacturing a composite high voltage insulator in which a plurality of skirts are manufactured and joined to a rod, and more particularly to a method for manufacturing a composite high voltage insulator in which an expanding pipe is inserted into a plurality of skirts arranged in a line by a skirt holder to expand the inner diameters of the skirts, so that the skirts are mounted on precise positions of the rod, and an adhesive agent is easily applied, so that an interface between different materials is not formed in order to improve reliability of insulator products.
REFERENCES:
patent: 4331833 (1982-05-01), Pargamin et al.
patent: 8-212856 (1996-08-01), None
patent: 8-212859 (1996-08-01), None
Bai Kyung Moo
Youn Bok Hee
Cooper & Dunham LLP
Lee Jinhee
LG Cable Ltd.
White John P.
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