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Title: Method of manufacturing a ductile silver metallic oxide semi-finished product contacts

Abstract: There is produced a ductile silver-metallic oxide semifinished product, for example a silver cadmium oxide wire, or a sheet or square rod having silver-metallic oxide, silver-metallic, and silver metalloid compounds. There are assembled in sandwich fashion several plates of internally oxidized silver-metallic oxide and of powder metallurgically produced silver-metallic oxide. The sandwich is then extrusion pressed.


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Inventors: Harmsen, Ulf O. (Pforzheim, DT)
Pottken, Wolfgang (Keltern, DT)
Oertel, Egon (Pforzheim, DT)

Application Number: 487870
Filing Date: 1974-07-12
Publication_date: 1976-01-20
Assignee: Dr. Eugene Durrwachter DODUCO (Pforzheim, DT)
Primary Class(es): 29/875 72/258, 72/363, 228/234.1
Other Classes:
US Patent Ref:
3114631Dec, 1963Sistare et al.29/630.
3144576Aug, 1964Hagmaier et al.72/258.
3258829Jul, 1966Gwyn200/266.
3510935May, 1970Durrwachter et al.29/420.
3545067Dec, 1970Haarbye et al.29/630.
3673667Jul, 1972Loewenstein et al.29/420.
3802062Apr, 1974Harmsen et al.29/630.
3814640Jun, 1974Shibata29/630.
3821841Jul, 1974Goodwin29/420.
3821848Jul, 1974Backstrom29/630.
R27075Feb, 1971Murphy et al.29/420.

Other Refs:
Primary Examiner: Lanham, C. W.
Assistant Examiner: Duzan, James R.
Attorney: