A closure device is provided, particularly suitable for container carrying ships, including a plurality of independent hatchway panels, each panel having lengthwise and widthwise the dimensions of a container, each group of four vertical slides providing guiding and securing of the containers at their corners extending above the deck of the ship and the panel being applied sealingly and independently against the periphery of an opening surrounding said group of slides and against the internal face of the slide. In order to have access to a container stacked along the slides inside the hold, it is sufficient to remove the containers stacked above the panel, then this panel itself using the same handling device as for the containers.
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