Metal working – Method of mechanical manufacture – Electrical device making
Patent
1978-05-03
1980-08-05
Crane, Daniel C.
Metal working
Method of mechanical manufacture
Electrical device making
228122, 429104, 429185, H01M 1038
Patent
active
042154669
ABSTRACT:
In an electrochemical cell such as a sodium sulphur cell using a ceramic electrolyte tube (e.g. of beta-alumina), the electrolyte tube is secured to a rigid annular element of, for example, alpha-alumina, having substantially the same coefficient of thermal expansion as the electrolyte tube, this annular element being radially thicker than the electrolyte tube and having two oppositely sloping tapered surfaces on its outer face. Metal elements are then forced onto the tapered surfaces with an interstate layer of soft metal, e.g. aluminium, which deforms into a groove or grooves in the tapered surfaces to form a hermetic seal.
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Chloride Silent Power Limited
Crane Daniel C.
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