HYDROSTATIC BALANCE JACKET HAVING REMOVABLE BALLAST

摘要

PROBLEM TO BE SOLVED: To provide a balance jacket connectable to ballast regardless of a shape or a dimension of the ballast. SOLUTION: This balance jacket includes joining means 232, 311 between at least one of jacket walls 12 and one ballast 1. The joining means are respectively mutually removably arranged on the jacket walls 12 and the ballast 1, and have locking means 2, 502.