In a cable gland comprising two tubular members each wider at one end than at the other and telescopically engageable at their respective wider ends to define an annular chamber around a cable end inserted through the telescoped members with means for urging the tubular members axially together after...http://www.google.com.au/patents/US4515991?utm_source=gb-gplus-sharePatent US4515991 - Electric cable glands
