Method and device for shrinking a heat shrink film placed around a stack of items, in particular a palleted stack of items

device to shrink a one, palletized particular, stack (1) down heat-shrink foil jacket (2), with at least one on a frame (11) in the vertical direction (Arrow 13) is movable, in particular as a shrink frame (14) formed Shrinking device for Shrinking heat shrink film sheath (2) by heating, the heat shrink film sheath (2) at least about the upper edge of the stack (1) to the upper shrink formation top side protrudes and on the upper side of the stack (1), preferably over the arranged above, cover sheet film (6) the edge of the stack of goods (1) is associated with the heat shrink film coat (2) weldable is characterized in that above the stack of goods (1) a combined Wärmeumlenk- and pressing means (15) for deflecting the one hand along the sides of the stack of goods (1) the rising hot gases (arrow 30) into an at least extending approximately parallel to the top of the stack (1) in the direction (Arrows 32) for preheating and a Einwärtsumlegen the supernatant (9) of heat-shrink foil jacket (2) and for preheating the cover film (6) in the region of the top of the stack (1), and...