Film forming element for a packaging machine forming plate and packaging machine forming plate

摘要

"MOVIE CONFORMING ELEMENT FOR A PACKAGING CONFORMING BOARD, AND PACKING MACHOR CONFORMING BOARD". Packaging machine forming apparatus (10) through which a film (11) passes to be formed into a tube (12). The apparatus (10) includes a lip (forming element) (15) over which the film (11) passes, the lip (15) including an approach member (16) leading to a bulge (17). The member (16) includes a passageway (20) ending in an opening (21) to which a pressurized gas is supplied to create an "air cushion" over which the film passes, thereby assisting the advancement of the film. (11) on the surface (18) of the approaching member (16).