CONTAINER WITH COVER Russian patent published in 2008 - IPC B65D47/36 

FIELD: technological processes.

SUBSTANCE: invention is related to container with cover and is aimed at lowering of screw cover turn angle required for container opening, and at prevention of full cutting of container part and its ingress into container cavity during opening of container itself. Container with cover contains casing that has wall section and ruptured section, section of tubular base, movable tube and screw cover. Ruptured section is arranged in preset position of wall section. Section of tubular base is fixed to wall section and surrounds ruptured section. Movable tube is installed on base section and is connected via thread with base section. Screw cover is installed outside base section, is connected via thread to base section and is engaged to movable tube. Screw cover is arranged with the possibility of movable tube rotation during its revolution. On the bottom end of movable tube cutting element is provided that contains multiple blades and is arranged with the possibility of ruptured section cutting during revolution of screw cover. Bottom section is provided between sharp ends of two prescribed blades. Depth of front cutting edge of the first blade is less than the depth of front cutting edges of remaining blades.

EFFECT: reduction of screw cover turn angle that is required for container opening and prevention of full cutting of container section and its ingress into container cavity during opening of container itself.

7 cl, 17 dwg