PAPER BOX WITH FLAP SEALED BY HOT-MELT ADHESIVE

摘要

PROBLEM TO BE SOLVED: To manufacture a paper box with flaps to be sealed securely with a hot-melt adhesive and opened easily even by elderly people and ladies. SOLUTION: A corrugated board box with flaps is formed of outer flaps 14 and inner flaps 13 sealed by a hot-melt adhesive, and hot-melt bonding zones 20 are provided on the surfaces of the inner flaps 13, and releasable varnish is applied preliminarily into the patterns of the parallel line shape or the shape of a number of dots or other proper patterns on the zones, over which the hot-melt adhesive is applied to bond the inner and outer flaps 13 and 14.