Patent ID: 7036289

Claim:
A wrapping machine for wrapping a web around an object to be packaged, said wrapping machine comprising: a machine frame supportable on a fixed base and comprising a plurality of columns and cross members connecting the columns to each other; a lifting motor; a lifting frame arranged to be movable upwards and downwards along the columns by means of said lifting motor; a foil dispenser for rotatably supporting a roll of the web, said foil dispenser being movable with the lifting frame and arranged to circulate along a circular path around the object to be packaged to unroll the web from the roll so as to form a wrapping around the object to be packaged; and at least an elongate flexible drive element and a wheel driven by the lifting motor for transmitting power from the lifting motor to produce a motion of the lifting frame along the columns; wherein each of said columns comprises a lower column part and an upper column part detachably joined together; the wheel comprises a drive belt pulley rotatably mounted on the lifting frame and rotatable by the lifting motor; and the elongate drive element comprises a belt having a first end secured to an upper end of one of the columns and a second end secured to the drive belt pulley.