| 摘要 |
PROBLEM TO BE SOLVED: To allow a milk carton to be easily opened using an instrument applied for the brim of the opening of the milk carton. SOLUTION: After a preparatory setup for opening is arranged along a first folding line, the center core of the instrument is inserted into the upper part of the carton, to pull the opening part of the carton to the front while keeping the center core at a parallel angle using the principle of leverage. COPYRIGHT: (C)2011,JPO&INPIT |
