Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1997-09-30
2000-04-11
Leja, Ronald W.
Electricity: circuit makers and breakers
Electric switch details
Contact
361115, H01H 102
Patent
active
060490462
ABSTRACT:
An electric circuit protection device comprising an interruptable current path for interrupting current flow to a load including trip means for tripping the interruptable current path upon occurrence of a load fault, the interruptable current path comprising first and second electrically conductive parts that have been joined by ultrasonic welding to establish electric conductivity between them, the first part comprising non-alloying material, the second part comprising non-ferrous material, and a brazing material that has been acted upon by the ultrasonic welding to join the parts, the brazing material being selected to comprise at least two materials, one of the two materials being elemental copper, and the elemental copper being the largest single constituent of the brazing material.
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In Re Application of Newland, C.: 97 P 7854 US; Serial No. 08/941,334; Method For Using A Brazing Alloy.
Welding Handbook, Eighth Edition, American Welding Society, vol. 1, 1987, p. 23-25 and 41-42; vol. 2, 1991, p. 391-395; vol. 4, 1998, p. 561-566 No Month.
Leja Ronald W.
Siemens Energy & Automation Inc.
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