Slitter Knife for Manufacturing of Corrugated Fiberboard Box and Corrugated Fiberboard Box Manufacturing Method

摘要

In the slitter knife mounted on the upper slitter head of a slitter for manufacturing corrugated cardboard forming an incision in a cover plate of a corrugated cardboard box to be transported so that a corrugated cardboard box with improved sealing power can be quickly manufactured in large quantities, the arch-shaped plate A pair of length cutting blades are formed on the outer periphery so that the cover plate is cut along the conveying direction of the corrugated cardboard box, and a width cutting blade is provided on one side of the length cutting blade so that the cover plate is cut at a right angle to the conveying direction of the corrugated cardboard box. When the slitter head is rotated, the cover plate is cut to exclude the inner end of the cover plate, and the first knife is provided with an incision groove on the cover plate, and is provided on one side of the first knife. It provides a slitter knife for manufacturing a cardboard box comprising a second knife whose inner end is cut along the conveying direction of the cardboard box and a cutting line is formed on the cover plate.