B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
B63C7/26—Means for indicating the location of underwater objects, e.g. sunken vessels
B—PERFORMING OPERATIONS; TRANSPORTING
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
B63C7/16—Apparatus engaging vessels or objects
B63C7/20—Apparatus engaging vessels or objects using grabs
Dispositif pour assurer l'emersion dans l'eau du corps humain en particulier de la tete, soit en mouvement soit au repos et permettre sa propulsion dans cet element
Dispositif securisant la baignade en mer, en creant un espace a l'abri des animaux marins dangereux par immersion a l'arriere d'un bateau, d'un bassin en filet infranchissable.