Stock material or miscellaneous articles – Hollow or container type article – Glass – ceramic – or sintered – fused – fired – or calcined metal...
Patent
1989-07-05
1991-04-30
Seidleck, James J.
Stock material or miscellaneous articles
Hollow or container type article
Glass, ceramic, or sintered, fused, fired, or calcined metal...
174137A, 174137B, H01B 1700
Patent
active
050117173
ABSTRACT:
A hollow porcelain insulator including an elastic insulating layer having a tensile strength of at least 150 kg/cm.sup.2 and a thickness of at least 2 mm for improving an explosion preventing property.
REFERENCES:
patent: 4091124 (1978-05-01), Reighter
patent: 4177322 (1979-12-01), Homan et al.
patent: 4476155 (1984-10-01), Niemi
patent: 4749824 (1988-06-01), Orbeck
Matsuura Yasunori
Moriya Tsutomu
Nakamura Takao
NGK Insulators Ltd.
Seidleck James J.
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