An electromagnetic shielding spring gasket assembly includes a coil spring for blocking the propagation of electromagnetic waves therepast. The coil spring includes a plurality of coils having a major and a minor axis and canted along a center line defined by an intersection of the major and minor axes...http://www.google.com.au/patents/US5117066?utm_source=gb-gplus-sharePatent US5117066 - Retaining and locking electromagnetic gasket