| 摘要 |
<p>The die has a top and a bottom half-die with each half-die having a bearing plate that exhibits two seating at forming cells. Two die-bearing shoes (6, 7) are partially inserted and sealedly coupled internally of the seating in a parallel direction. Each shoe delimits with a relative seating with a closed chamber (10, 11). Each closed chamber is in fluid e.g. oil communication with the other closed chamber.</p> |
