Improvements in and relating to the Manufacture of Refractory Electric Conductors.
Номер патента: GB190900282A
Опубликовано: 31-12-1909
Автор(ы): William David Coolidge
Принадлежит: Individual
Опубликовано: 31-12-1909
Автор(ы): William David Coolidge
Принадлежит: Individual
Реферат: 282. Coolidge, W. D. Sept. 23, 1908, [Convention date]. Drawings to Specification. Resistances.-In making refractory resistancebodies for furnaces or other apparatus by means of a metallic binder, the unfinished bodies are treated to dry them and prevent them from softening during the final heating. Tungsten, molybdenum, boron, zirconium, tantalum, graphite, or compounds or alloys of these, or other refractory materials, with a cadmium-mercury-bismuth alloy as a binder, may be made into wires, plates, rods, or tubes, the making of tungsten lamp-filaments being described in detail.
Insulating tape for the manufacture of an insulating jacket for electric conductors impregnated with a thermosetting epoxy resin-acid anhydride curing mixture
Номер патента: CA977633A. Автор: Willi Mertens. Владелец: SIEMENS AG. Дата публикации: 1975-11-11.