A procedure, with your corresponding machine, to fold and crack chains for chains (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the object of the main patent no. 188,728 by procedure with its corresponding machine for bending and crimping links for chains characterized because pieces of steel bar or other metal are presented as a bridge to the periphery of two idle rolls properly distanced and revolving around vertical axes in solidarity of a carriage with horizontal transverse movement suspended from the guides of a bridge-support integral with the bench of the folding machine and are bent in the form of a deep "U" by the pressure exerted by a the matrix suitably secured to the machine table during the longitudinal movement of said table, and the shapes obtained being exactly the semi-elements for the links of the chain. (Machine-translation by Google Translate, not legally binding)