Mandrel for forming inert anodes

A method of making an inert anode (12') for use in an electrochemical cell first provides a hollow shaped mold (12) where a metal mandrel (17) having raised male threads (50) at its top diameter (52) is inserted into the mold (12) and a compressible powder (19, 21) added, then the powder is com...

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Bibliographische Detailangaben
Hauptverfasser:	CZEKAJ STEVEN A, LATVAITIS J. DEAN, MILLER RAYMOND, HOLMES PATRICK W
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CASTING CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method of making an inert anode (12') for use in an electrochemical cell first provides a hollow shaped mold (12) where a metal mandrel (17) having raised male threads (50) at its top diameter (52) is inserted into the mold (12) and a compressible powder (19, 21) added, then the powder is compressed to form recessed female grooves (70) matching the mandrel threads (50) where the mandrel (17') is engaged and withdrawn along with the compressed powder inert anode after which the mandrel is rotated to unscrew it from the compressed powder and the compressed powder shape is then placed on a tray (27) and heated to sintering temperature.