IMPROVED CONTAINER WITH HINGED COVER AND COVER VALVE Russian patent published in 2020 - IPC B65D85/10 B65D5/42 

FIELD: package and storage.

SUBSTANCE: invention relates to consumer goods containers comprising box and hinged cover, connected to the box along the hinged line and having the possibility of rotation around this hinged line between the closed position and the open position. Articulated cover comprises first wall of cover and cover valve extending from first wall of cover along edge flexure line and bent inward towards inner surface of first cover wall. Container is at least partially formed from workpiece, having thickness (T), and this plate-like workpiece forms in container edge flexure portion connected with first cover wall and cover valve. Inner surface of edge flexure portion forms ablation area (A), having length extending in longitudinal direction of edge flexure portion, and width (W) extending across said length. Ablation area (A) comprises one or more ablation zones having residual thickness, which is less than about 50 percent of thickness (T) of plate-like workpiece, wherein said one or more ablation zones have a total thickness which is at least about 1.5 times greater than thickness (T) of the plate-like workpiece.

EFFECT: improved container with hinged cover and cover valve is proposed.

6 cl, 6 dwg