Patent ID: 8141750

Claim:
A storage container for granular fuel, comprising a lower, essentially horizontal, limiting surface and at least one adjoining lateral limiting surface, a feeding out device with an axial extension that considerably exceeds its radial extension, the feeding out device being arranged along at least 50% of the axial extension of said lower limiting surface, a forward-feeding device arranged to transport said fuel in a direction towards said feeding out device, comprising a flexible bag that via a pressurized air inlet is inflatable and that is arranged in connection with at least a portion of the storage container's lower limiting surface and its adjoining lateral limiting surface, wherein the feeding out device is arranged inside said storage container and that the bag also comprises at least one outlet for pressurized air, whereby the outlet is formed by a seam where parts of the bag have been sewn together, and a flow of pressurized air is allowed out of the bag during the inflation thereof.