Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1983-09-14
1986-08-12
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335154, 174120SR, 428383, H01H 5108
Patent
active
046059172
ABSTRACT:
A coil wire has a lubricant film formed on an outer surface of an insulation film covering a conductor. The lubricant film is made of polypropylene glycol or a material obtained by substituting a hydrogen atom at at least one end of polypropylene glycol with another reactive group so as to provide a coil wire wherein generation of organic gases can be suppressed.
REFERENCES:
patent: 3321722 (1967-05-01), Cohen
patent: 4170673 (1979-10-01), Conti
patent: 4379807 (1983-04-01), Otis et al.
patent: 4400430 (1983-08-01), Miyake et al.
Ide Tatsumi
Izumi Masahiro
Sakurai Toshifumi
Sugimura Kimio
Broome Harold
NEC Corporation
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