A device serves for depositing successively conveyed flat, flexible workpieces, for example tube sections, bags or sacks of thermoplastic film, preferably for the purpose of stacking them. A gripper conveyor grasps the workpieces at their leading ends and drags the latter with the rear regions hanging down. The grippers of the gripper conveyor release the workpieces above the deposition point, pre...

A method and a means for joining and sealing of material parts, and use of such a means, in particular for joining and sealing of parts of containers of cardboard or a similar material in which a joining piece (5) comprising a laminate of a heat receiving and heat conducting layer of material (1) and on one or both sides thereof a heat adhesive or heat weldable layer (2) is put with the heat adhes...