A CLOSING COVER FOR CLOSING A LOWER PART OF A HOISTING CHAMBER IN A HULL OF A MARINE VESSEL AND A METHOD OF FACILITATING ACCESS TO A LOWER PART OF A HOISTING CHAMBER

摘要

The closed cover includes a first portion (601) and a second portion (602), the second portion including a cylindrical peripheral wall (612) And a watertight inner section (620) bounded by the cylindrical peripheral wall, the first portion including a flange plate portion (24) extending radially across the cylindrical peripheral wall of the second portion , Wherein the first portion (601) and the second portion (602) are removably attached to each other and the second portion (602) is provided with a sealing system (604) at the outer cylindrical surface of the second portion ) And attachment means are provided.