date:May 10, 2013
zas per minutetypically uses lap seal technology for sealing the shrink bag. The lap seal method wraps the film around the pizza as it goes through a forming shoe, then it overlaps the film on the bottom of the pizza, static sealing it before going into the shrink tunnel. A key problem with this sealing method is that pizza toppings will frequently fall underneath where the seal is being made and compromise the integrity of the seal. When the wrapped pizza comes out of the tunnel, the lap seal c