Electrode and nozzle that seat within a retaining member and in two different seating locations relative to retaining member. The electrode and nozzle each include an interwoven-double-start thread having two thread cuts, which start 180 degrees from one another as measured around the circumference of...http://www.google.com.au/patents/US6888092?utm_source=gb-gplus-sharePatent US6888092 - Electrodes and nozzles having improved connection and quick release
