Metal working – Method of mechanical manufacture – Electrical device making
Patent
1997-03-14
1998-10-20
Hail, III, Joseph J.
Metal working
Method of mechanical manufacture
Electrical device making
H01B 1900
Patent
active
058228578
ABSTRACT:
A disclosed method of repairing a shed portion of a composite insulator having a core portion, a sheath portion arranged on an outer surface of the core portion, and a plurality of shed portions projected from the sheath portion, includes the steps of, (1) cutting out the shed portion having defects from a portion thereof adjacent to the sheath portion, and connecting a new shed portion having the same shape as that of the cut out shed portion to the sheath portion at the cut out portion, or (2) cutting out partly said shed portion having defects, and connecting a repairing member to said cut out portion. Therefore, it is possible to perform the shed portion repairing operation without wasting the normal shed portions.
REFERENCES:
patent: 3721277 (1973-03-01), Rauscher et al.
patent: 4440975 (1984-04-01), Kaczerginski
patent: 5736208 (1998-04-01), Wilck et al.
Kashiwagi Hiroshi
Tani Takao
Hail III Joseph J.
Hong William
NGK Insulators Ltd.
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