| 摘要 |
An apparatus for welding objects (2), particularly elongated elements of plastic material for frames of windows and doors, comprises movable supporting means (3) arranged for supporting said objects (2) and for blocking said objects (2) and moving means (4) arranged for moving said supporting means (3), said moving means (4) comprising electromechanical actuating means (52), or feedback controlled electro-hydraulic actuating means. |
