Water mattress construction

摘要: A water mattress construction for a bed having foam assembly forming cavity surrounding and supporting water-filled bladder. The is formed of several layers different densities to provide strong support the bladder prevent bulging. There are low-density on top bottom center core or frame medium density enclosing installed therein. entire structure retain their shape by being bound sides high-strength, non-stretchable, non-woven fabric bonded securely assembly. then covered with high recovery factor. heavy-duty material ticking which quilted has appearance conventional mattress.