Abstract: A rotary joint device of an installation for exploiting energy includes a first annular part that is secured to a fixed mooring turret of the installation, a second annular part rotatably movable about an axis of rotation and in relation to the first fixed annular part and that is secured to a movable ship of the installation, and at least one dynamic sealing member housed inside a gap space located between the first fixed annular part and the second movable annular part and provided with a body portion and with at least one first lip that projects from the body portion. Also described is an energy exploitation installation including such a rotary joint device.

Abstract: Disclosed is a process for producing a blank from an item that is configured to equip a rotating-joint device of an installation for mining fluids, in particular on an offshore platform, including the following steps: providing at least one strip of a predetermined material; providing at least one production support that is at least partially annular and that has a predetermined outer diameter; arranging the at least one strip of a predetermined material around the production support until a predetermined thickness is obtained; and removing the production support to obtain the item blank that has a predetermined cross-section.