Patent ID: 9266635
Filing Date: 2016-02-23
CPC Classification: B29C,B65B

Claim Text:
1. A method for sealing at least a packaging unit, the method comprising the steps of: lifting a sealing tool lower part from a lowered position to a first intermediate position using a drive, the drive including a motor and a spindle integrated with said motor, wherein the lifting is effectuated by the motor rotating a spindle nut to cause linear displacement of the integrated spindle, wherein the spindle is operably coupled to the sealing tool lower part, and wherein the spindle nut is disposed relative to the motor so that a portion of the spindle penetrates the motor in said lowered position and said first intermediate position; clamping a packaging unit between the sealing tool lower part and a sealing plate, the sealing plate being disposed above the packaging unit; lifting said sealing tool lower part, said packaging unit, and said sealing plate from the first intermediate position to a final position by further rotating said spindle nut with said motor after said clamping step.