A flotation jacket has flotation material therein to provide adequate inherent buoyancy for adults. A flap of waterproof insulative closed cell material is concealed on the inside of the body of the jacket and can be released therefrom to be converted into panels providing thermal protection in cold water to the lower trunk region of the wearer.
申请公布号
US4015300(A)
申请公布日期
1977.04.05
申请号
US19760683858
申请日期
1976.05.06
申请人
HAYWARD, JOHN S.;COLLIS, MARTIN S.;ECKERSON, JOHN D.;ROSENBLOOD, LORNE K.
发明人
HAYWARD, JOHN S.;COLLIS, MARTIN S.;ECKERSON, JOHN D.;ROSENBLOOD, LORNE K.