A plastic box formed of plastic that closes an opening 17 by bending inner flaps 13, arranged on one pair of opposite two sides 18 at a periphery of the opening 17, towards the inside, and folding an outer flap 15 arranged on one side of the other pair of opposite two sides 19, while inserting and latching an insertion flap piece 14 into the inside of the opening 17. This plastic box is provided with a lock mechanism that functions by engaging respective base end parts 13a of the inner flap 13 with notches 21 formed on respective end parts of a bend line 20 bent from the outer flap 15 of the insertion flap piece 14. In addition, this plastic box is provided with a finger-receiving brim piece 22 protruding from the bend line 20 towards the outside at a position shifted from the center of the bend line 20 towards the side edge.
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Publication date: 08-15-2007
Applicant: KAO CORP (JP)
Inventor: KATO KYOICHI (JP)
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