| 摘要 |
<p>A press tool is provided with a system for guiding and relieving a metal strip which is caused to pass through the tool. During the successive manufacture of several pieces having different predetermined dimensions and forms. The system for guiding and relieving a metal strip, which is provided with adjustable sliding and interchangeable elements for controlling the position of the metal strip within the press tool, is adapted to be adjusted to be used for certain preselected widths of metal strips and for different degrees of brittleness of the metal strips used, as well as for different pieces to be manufactured having a predetermined bulk of the upper parts and for various mechanical operations performed by the tool.</p> |
