Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1996-12-17
1998-11-10
Nakarani, D. S.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428 369, 428 3691, 428 3692, 428331, 428428, 428429, H01B 1700
Patent
active
058341102
ABSTRACT:
An excellent polymer insulator is provided which can be formed by casting a composition in a mold and which after heat-curing have a silicone rubber coating layer on an outer circumferential surface of a glass fiber-reinforced plastics core thereby providing superior electric insulation properties including weather resistance, tracking resistance and erosion resistance, etc. in severe conditions of air pollution, salt damaging or severe climate.
REFERENCES:
patent: 3511698 (1970-05-01), Talcott
patent: 3965065 (1976-06-01), Elliott
patent: 4476155 (1984-10-01), Niemi
patent: 5369161 (1994-11-01), Kunieda et al.
Koshino Yukihiro
Misawa Hidenobu
Nakajima Isao
Nakarani D. S.
NGK Insulators Ltd.
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