| abstract |
An apparatus for forming sheet material (5, 7) in order to obtain containers (3) comprises conveying means (129) arranged for advancing the sheet material, a welding unit (35a) arranged for welding the sheet material (57) along peripheral edges of the containers (3) to be formed, a forming unit (39a) arranged for forming the sheet material in order to obtain the containers (3), at least one of said units (35a, 39a) being mounted on guiding means (111) so that it is possible to adjust the longitudinal position of the at least one unit with respect to the other unit(s). |