| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a carton for powder, equipped with a locking mechanism which makes a lid opening operation smooth, which prevents engagement from being loosened, even in an increase of the number of times a lid part is opened/closed, and which prevents the lid part from being easily opened, even if an external force acts in disuse etc. <P>SOLUTION: In this carton for the powder, a knob piece 11 is provided in a central part at the lower edge of a front plate 3B of the lid part 3 in the state of protruding downward; a protrusive engaging piece 12 is cut inside the knob piece; a folding crease 14 for horizontal rotation is formed; the knob piece 11 and the engaging piece 12 are made wholly rotatable in such a manner that the folding crease 14 serves as a center of rotation; a crease 23 for valley fold is formed in an intermediate proper position between a leading end of the knob piece 11 and the folding crease 14 by connecting right and left edges of the knob piece together; in a front plate 1A of a carton body 1, an engaging hole 5 is formed in a position to face the engaging piece 12; a clearance 6 is formed on the backside of the engaging hole 5; and the rotating engaging piece 12 is inserted into the engaging hole 5 and the clearance 6 in a hooklet fastening manner. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
