Developments relating to units to join metal bands. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements relating to joining devices for joining metal bands, characterized in that they comprise a framework adapted to be used overlapped to a pair of edges prepared in the metal sheets to be joined, operating elements to light part of these prepared edges and folding elements capable of folding these parts to the maximum determining the union. (Machine-translation by Google Translate, not legally binding)