| 摘要 |
An apparatus for the formation of packaging from unitary blanks comprising a first tool (10) having a convex end surface (12) said convex end surface having edges (16) that define a first center segment (14) and a first plurality of triangular segments (18) and a second tool (40) having a convave end surface (42) said concave end surface having edges (46) that define a second center segment (44) and a second plurality of triangular segments (48). |
