Automatic Corner-Edge Carton Sealer GPH-655: After the middle line of the carton is sealed into an “I” shape by the front-end “I”-shaped carton sealer, the carton is pushed through an L-shaped corner and conveyed to undergo four-corner edge sealing operations. It features intelligent adjustment of carton sizes, with photoelectric eyes for automatic sensing, air cylinders for automatic positioning, and upper and lower driving belts for automatic calibration and conveying of cartons. The sealing process is fast and stable, with folded corners free of wrinkles, making it suitable for various types of cartons. This carton sealer is widely used in industries such as food, medicine, beverages, daily chemicals, and electronics.