| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem that it is difficult to easily tear in thin width a part of roll width of a commercial kitchen towel roll since perforation lines to be cut by hand are punched only in the width direction and are not punched in the longitudinal direction. <P>SOLUTION: A half or a part in the width direction of the towel roll can be easily used by punching perforation holes in the longitudinal direction too, and tearing the part. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
