Procedure for the deep embutition of platines or plates, especially for the manufacture of sinks. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the deep drawing of plates or sheets, especially for the manufacture of sinks, the plate being pressed between the matrix and the depressor, against the action of the back pressure of an effective liquid in the deformation zone, characterized in that the drawing movement, until the full depth of the drawing is achieved, is interrupted several times and, in each case, for a predetermined period of time, and because during each interruption of the drawing movement, the counter pressure in the liquid is maintained while maintaining the state of conformation reached. (Machine-translation by Google Translate, not legally binding)