SPEED-INDEPENDENT SEALING

摘要

FIELD: package sealing equipment, particularly to seal continuously moving packages. ^ SUBSTANCE: sealing method involves sealing packages moving through sealing station by drive means. Sealing station has intermittently operated inductor. Each package is subjected to a number of pulses of fixed duration. Time between pulses is changed in dependence of package movement speed. ^ EFFECT: possibility to seal packages moving at variable speed due to possibility to change time between pulses. ^ 10 cl, 2 dwg