| 摘要 |
A machine for packaging products using a plastic film comprises: at least a fixed frame (TF) and at least a mobile counter-frame (CM), said counter-frame (CM) can be moved between a lifted rest position and a lowered working position wherein the film is clamped against said frame (TF), the movement of the mobile counter-frame (CM) is controlled by at least a fluid-dynamic actuator (25) which works between the machine frame (11) and said mobile counter-frame. According to the invention, a link (26) is positioned between said actuator (25) and said frame (11), said link is pivoted to the actuator (21) in (27) and is pivoted to the frame (11) in (28), said link (26) is further provided with a control means (30) connected to a sensor (32), in order to automatically stop the machine from working. <IMAGE> |
