CUTTER BLADE FOR PACKAGING CONTAINERS, AND PACKAGING CONTAINER WITH CUTTER BLADE

摘要

PROBLEM TO BE SOLVED: To provide a cutter blade showing a superior cutting characteristic, giving a superior feeling to a user and a superior durability at the time of cutting operation even if a wrapping film is cut from any of the top part of V-shaped portion of the cutter blade or one end of the cutter blade.

SOLUTION: A cutter blade 24 is divided into a central area 28 including a V-shaped top point part, a pair of intermediate areas 29 outside the central area and a pair of side areas 30 outside the pair of intermediate areas. The central area 28 has a plurality of first teeth of the highest tooth height and a plurality of second teeth lower than the first teeth, wherein the first teeth are arranged at the top part and spaced apart in a specified space around the top part, the second teeth are arranged between the first teeth. A first linear line connecting the teeth ends of the first teeth, a second linear line connecting the teeth ends of the second teeth and a third linear line connecting the teeth roots of the first teeth and the second teeth are parallel to each other and the second linear line is positioned between the first linear line and the third linear line. The teeth extremity ends of the intermediate teeth of the intermediate area 29 are positioned on the second linear line or between the second linear line and the third linear line. The teeth extremity ends of the side teeth in the side area 30 are positioned on the second linear line or between the first linear line and the second linear line.

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