VESSEL COVER Russian patent published in 2011 - IPC B65D47/08 

FIELD: packing industry.

SUBSTANCE: vessel cover comprises a flat surface of the cover and preferably a grooved edge zone, besides, on the cover surface there is at least one repeatedly closed drain hole. A closing facility related to the drain hole is arranged on the lower side of the cover surface, and an actuating facility connected to the closing facility and passing through the cover surface is arranged on the upper side of the cover surface with the possibility of access from the outside. The closing facility is made with the possibility of shifting from the closing position due to putting of the actuating facility in action in the opening position. The closing facility is made in the form of one part and is installed without the possibility of crank fully on the lower side of the cover surface. The actuating facility has a retention element for interaction with the cover surface, when the closing facility is in the opening position. The closing facility made in the form of one part has a fastening part, which is detachably joined with the cover surface, and also a closing zone, which closes the drain hole tightly for the liquid. Between the fastening part and the closing zone there is a hinged joint to ensure the possibility of the closing facility closing zone rotation around it, overcoming the return force. The hinged joint is made in the form of a zone with increased flexibility provided between the fastening part and the closing zone.

EFFECT: invention makes it possible to increase reliability of the closing system for repeated closure of the vessel.

21 cl, 19 dwg