A method of and device for interconnecting individual profiled plates to be connected to each other end-to-end, and a structural connection effected thereby, according to which the plates to be interconnected are aligned in end-to-end relationship and a sheet metal section withdrawn from a roll of sheet...http://www.google.co.uk/patents/US4071942?utm_source=gb-gplus-sharePatent US4071942 - Method of and device for inter-connecting individual profiled plates to be connected to each other end-to-end, and a structural connection effected thereby
