Stock material or miscellaneous articles – Hollow or container type article – Glass – ceramic – or sintered – fused – fired – or calcined metal...
Patent
1991-12-02
1997-08-05
Robinson, Ellis
Stock material or miscellaneous articles
Hollow or container type article
Glass, ceramic, or sintered, fused, fired, or calcined metal...
428 346, 428 347, 428 357, 428 359, 428 368, 428212, 428217, 4284256, 428448, 428451, 428493, 428516, 428518, 174137A, 174137B, B32B 2100
Patent
active
056540477
ABSTRACT:
An explosion-proof porcelain housing for use in a gas-filled insulating apparatus, comprising a porcelain housing body, and a first and second films. The first film is made of a first insulating material having low hardness and high elasticity, and is bonded to an inner surface of the porcelain housing body. The second film is made of a second insulating material having high hardness and high mechanical strength, and is bonded to an inner surface of the first film. A process for producing such an explosion-proof porcelain housing is also disclosed.
REFERENCES:
patent: 4091124 (1978-05-01), Reighter
patent: 4177322 (1979-12-01), Homan
patent: 4476155 (1984-10-01), Niemi
patent: 4749824 (1988-06-01), Orbeck
patent: 4940613 (1990-07-01), Golino
patent: 5011717 (1991-04-01), Moriya
patent: 5234713 (1993-08-01), Watanabe
Webster's Ninth New Collegiate Dictionary, Merriam-Webster, Inc., p. 166, Jan. 1990.
Asai Keiichi
Kawano Nagahiro
Matsuura Yasunori
Sugi Masafumi
Watanabe Akihiro
NGK Instulators, Ltd.
Robinson Ellis
Speer Timothy M.
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