AUTOMATED GUSSET INFLATION SYSTEM AND METHOD

摘要

Method and apparatus for maintaining the inflation level of a bubble (80) formed by nips (70) in a moving roll of tubular film (90), to form a gusset in a final product produced from the film. The method and apparatus involve the release of a burst of pressurized air from a sta¬ tionary nozzle to inflate the tubular film, wherein the pressurized air released from the nozzle pierces the film and injects air into the tubu¬ lar film.