INRICHTING VOOR HET CONTINU VERVAARDIGEN VAN VERPAKKINGEN.

摘要

In apparatus for packaging objects by enclosing them in a tube of packaging material, which tube presents two projecting longitudinal flaps which are subsequently welded together to form a longitudinal seam, a flat nozzle is inserted between the flaps ahead of the longitudinal seam welding location and is connected to a suction source for extracting air from each package being formed.