| 摘要 |
The welding set (1) has a propelled chassis (4) and provided on rollers (2, 2', 3). A heating mechanism (5) is provided for sealing sheets and in the chassis is an arranged pressing roller (3) for pressing with one another and to seal the sheets. A guide pillar (8) is provided to steer the chassis which is linked to it. The pillar linked to the chassis into an appropriate insertable, rear working position and being tiltably reversably. The pillar and the chassis have stops (14, 15, 16) for providing front and the rear working positions of the pillar. |
