Make in the sack packing machine the side seal feature

摘要

PURPOSE: To apply a specified lateral sealing treatment on a packing material while preventing it from causing inward folds at both sides. ;CONSTITUTION: When squeezing the contents in a packing material by a pair of squeezing plates 23, the inside air is exhaled out of relieves 25 provided at both sides of the front edge and slanted backward to the both sides of the packing material and the both sides of the packing material are forced to swell outward by the pressure and the both sides of the bag are prevented from being folded inward on laterally sealing by lateral seal jaws 23.;COPYRIGHT: (C)1994,JPO&Japio