The main function of the vertical seal of the vertical packaging equipment is to seal the longitudinal sides of the packaging bag. The longitudinal sides of the back seal, three-side seal, or four-side seal are all heated and sealed by the vertical sealing device.
The main function of the horizontal seal of the packaging equipment is to seal the horizontal side of the packaging bag. Similarly, whether it is a back seal, three-side seal or four-side seal, the horizontal seal is heated and sealed by the horizontal sealing device.
The horizontal seal and the vertical seal are used together to seal a beautiful packaging bag.