Patent ID: 7438507

Claim:
An apparatus for transporting pulverulent filling material, comprising: a storage vessel including at least one exit, the at least one exit comprising an orifice in a bottom region of the storage vessel; a chamber-like line region constituting a powder chamber located at the at least one exit of the storage vessel; a line connected to the chamber-like line region, through which a portion of the pulverulent filling material present in the chamber-like line region is transported out of the chamber-like line region, the line having a rear-end region connected to the chamber-like line region; a compressed air duct that issues at least one compressed air pulse into the chamber-like line region, wherein the compressed air duct issues into the rear-end region of the line; and a closing device for the chamber-like line region, the closing device adapted to close the chamber-like line region powder tight with respect to the storage vessel so that the at least one compressed air pulse presses at least a portion of the pulverulent filling material out of the chamber-like line region in portions; and at least one scraper adapted to move over the at least one exit in the storage vessel to move pulverulent filling material out of the storage vessel and into the chamber-like line region in communication with the at least one exit in the storage vessel, and to close over the at least one exit in the storage vessel after the pulverulent filling material is introduced.