Patent ID: 6974357

Claim:
Device for use in retrieving an object that falls in water or in saving a person who falls in water, whereby the device is provided with: means for attaching the device to the object to be retrieved or means with which the person to be saved can carry the device with him, respectively, a spray water-resistant holder that comprises a mechanism for opening of the holder, which holder in its closed state encompasses an empty, inflatable body of a substantially gas-impermeable matter in a folded state, and one or more reagents which react under the influence of water that has entered the holder to form a gas, which gas serves for filling the folded inflatable body in order to exert a flotation or driving force on the object attached to the device or on the person carrying the device characterized in that the reagents which under the influence of water form gas are comprised within the substantially gas-impermeable inflatable body itself and (that) the inflatable body comprises a water-permeable substance.