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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:
| 3114631 | Dec, 1963 | Sistare et al. | 29/630. | | 3144576 | Aug, 1964 | Hagmaier et al. | 72/258. | | 3258829 | Jul, 1966 | Gwyn | 200/266. | | 3510935 | May, 1970 | Durrwachter et al. | 29/420. | | 3545067 | Dec, 1970 | Haarbye et al. | 29/630. | | 3673667 | Jul, 1972 | Loewenstein et al. | 29/420. | | 3802062 | Apr, 1974 | Harmsen et al. | 29/630. | | 3814640 | Jun, 1974 | Shibata | 29/630. | | 3821841 | Jul, 1974 | Goodwin | 29/420. | | 3821848 | Jul, 1974 | Backstrom | 29/630. | | R27075 | Feb, 1971 | Murphy et al. | 29/420. |
Other Refs:
Primary Examiner:
Lanham, C. W.
Assistant Examiner:
Duzan, James R.
Attorney:
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