Nogami Takashi, Mitsuhashi Masayuki: Electroconductive rubbery member and elastic connector therewith. Shin Etsu Polymer, Hopgood Calimafde Kalil Blaustein & Judlowe, May 22, 1984: US04449774 (57 worldwide citation)

The invention provides a novel electroconductive rubbery member which is a shaped body of a conductive rubbery elastomer impregnated with a powdery conductive particulate material such as carbon black or a metal powder dispersed in an insulating rubber, in which a multiplicity of conductive fibrous ...