CONTAINER HATCH COVER Russian patent published in 2009 - IPC B65D90/10 

FIELD: transportation, packing.

SUBSTANCE: hatch cover of a container of a mainly vacuumised toilet storage tank, comprising a shaped plate with a bearing surface; a gasket, holes for threaded connections, and a flange on the container hatch for cover connection. The cover is equipped with a clamping element with holes for threaded connections, a support ring attached coaxially relative to the container hatch and forming, with the container hatch flange, a circular cavity, into which a sealing gasket is installed; and threaded elements attached coaxially with the clamping elements holes on the container, for cover attachment using threaded connections.

EFFECT: development of new design of container hatch cover, which provides required leak-tightness and easy access into container for removal of deposits (sediments) and foreign objects from container.

2 cl, 5 dwg