Patent ID: 7448188
Filing Date: 2008-11-11
Classification: B65B

Abstract:
1. A machine for forming a bag of a strip of weldable material, filling the bag with a fluent filling, and sealing the filled bag, the machine comprising: means for forming the strip into a longitudinally extending and laterally closed tube and continuously advancing the tube longitudinally downward through a welding/folding station; means for pouring the filling into the tube above the station; a cross-seam welder at the station and horizontally closable on opposite sides of the tube to form therein a bag-forming crosswise weld; a folder at the station below the welder and horizontally closable on the tube to fold it inward; a vertically shiftable lifter below the station engageable under a filled section of the tube below the station; and drive/control means connected to the welder, folder, and lifter for simultaneously thereafter