Patent ID: 8727825
Filing Date: 2014-05-20
Classification: B63C

Abstract:
1. A life jacket for aquatic use comprising: a back part; a plurality of front parts connectable to one another with a fastener; a trunk configured to cover a trunk area; a pair of arms configured to cover the shoulders and extend into an upper arm area; a plurality of layers, wherein said plurality of layers comprises a heating layer located at or near an inner side of the life jacket and said heating layer comprises a latent-heat storage material; and an activation unit for activating an exothermic reaction of said latent-heat storage material; wherein said heating layer is subdivided into a plurality of rib-shaped chambers disposed in said back part and said front part, said plurality of rib-shaped chambers being connected directly with each other or connected to one another via connecting channels, said plurality of rib-shaped chambers being arranged diagonal to the body or across the body; and said plurality of rib-shaped chambers comprises a first plurality of rib-shaped chambers disposed on said trunk and a second plurality of rib-shaped chambers disposed on said arms.