Manufacture of electrical rectifiers
470,973. Static contact rectifiers. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. Feb. 25, 1936, No. 5636. Convention date, Oct. 23, 1935. Drawings to Specification. [Class 37] Copper blanks intended for the production of elements for copper-oxide rectifiers are heated at oxidizing temperature for a per...
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Zusammenfassung: | 470,973. Static contact rectifiers. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd. Feb. 25, 1936, No. 5636. Convention date, Oct. 23, 1935. Drawings to Specification. [Class 37] Copper blanks intended for the production of elements for copper-oxide rectifiers are heated at oxidizing temperature for a period of time not exceeding eight minutes, cooled to a lower temperature about 1050 F., maintained at this temperature for a period of the order of two hours and subsequently quenched. The elements may thereafter be baked at a temperature of about 212 F. for 16-72 hours. |
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