| 摘要 |
Portable device for wrapping loads in an extensible prestretched film, comprising a frame (1; 5), comprising a head wall (101; 50), a base wall (201; 51) and at least a lateral wall (301; 56), capable of supporting rotatably by their ends in a vertical and mutually parallel arrangement one small reel (10) of extensible film (20) and at least one pair of rollers (3, 2; 6, 7), around which rollers the film drawn from the said reel (10) is passed in succession, the rollers (3, 2; 6, 7) being connected to driving means by means of appropriated transmission means (204, 202, 102, 103; 226, 227), the peripheral speed of the said rollers being increasing in the direction of unwinding of the film. |
