Abstract: A packaging device for sealingly closing an upper foil and a lower foil utilizing a framelike constructed welding device which has a separate drive for welding together the lower and the upper foil, of which at least the lower foil is formed into containerlike segments and is moved, held by a chain at the sides thereof, through the packaging device. The packaging device has an evacuating chamber which is formed of two boxlike halves, of which one half is stationary and the other half is vertically movable. One of the halves has a framelike welding device embodied therein.

Abstract: A cutter knife assembly for use in a cutting machine. The cutter knife has an opening for receiving a cutter spindle therethrough, which opening has a polygon, preferably a hexagon, shape. A stop key is arranged in the opening and on a side thereof which is opposite the location of the cutter blade. A balancing structure is provided in association with the cutter knife, the shape, weight and mounting of which is selected so that the center of gravity of the totality of the cutter knife and the associated balancing structure lies on the axis of the cutter spindle.

Abstract: A vacuum food mill or blender for the cutting and mixing of food. There is provided a container associable with means for evacuating same, said container comprising a stationary lower part and a removable cover therefor. A receptacle is rotatably arranged within the container and a cutter spindle associated with suitable drive means projects into the container. Knives for cutting and mixing of the food are mounted on the spindle within the receptacle. The cover comprises two halves which are both mounted on a single hinge shaft, one thereof being pivotal with said shaft and the other thereof being pivotal with respect to said shaft. A rotatable receptacle is mounted within the container for rotation with respect thereto and the drive for same also supports said hinge shaft.