| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cutting blade for a packaging container excellent in cutting properties even in a state that there is no burr, and high in safety to an user. <P>SOLUTION: The cutting blade 30 for the packaging container is attached to the packaging container 100 housing a roll 5 formed by winding a packaging material 1, includes a plurality of teeth arranged in nearly V-shapes along an axial direction X of the roll, and cuts the packaging material pulled out from the roll. The cutting blade for the packaging container has: a tip Wa including a nearly V-shaped top point T; and a pair of intermediate parts Wb connected to both ends of the tip. Teeth arranged in the tip have: a center tooth 31 positioned in the center of the tip; large teeth 32; and small teeth 34 having tooth heights lower than those of the large teeth. Tooth tips 35a of teeth 35 arranged in the intermediate parts are positioned on a nearly V-shaped imaginary line La1, and tooth tips 31a, 32a and 34a of the teeth arranged on the tip are positioned on an extended line La2 of the imaginary line La1 or at tooth bottom sides of the respective teeth from the extended line. <P>COPYRIGHT: (C)2012,JPO&INPIT |
