Patent ID: 9169033
Filing Date: 2015-10-27
Classification: B65B

Abstract:
1. A sealing station for a packaging machine, the sealing station comprising: an outer wall; a sealing plate for sealing packages, said sealing plate disposed interior of said outer wall; a pressure chamber between said sealing plate and said outer wall; an underpressure source for evacuating a package in the sealing station, the underpressure source comprising a first pump; an overpressure source for providing compressed air into said pressure chamber so as to press the sealing plate against a package in the sealing station, the overpressure source comprising a second pump, said first pump and said second pump separated by a distance; and a single drive comprising a drive motor and a drive shaft rotated by said drive motor, said drive shaft having a length, and wherein said first pump is operably connected to said drive shaft at a first location along the length and said second pump is operably connected to said drive shaft at a second location along the length such that said first pump and said second pump are both driven by said drive shaft.