| 摘要 |
The invention relates to a powder supply system ( 1 ) for supplying a processing apparatus ( 2 ) with a granular substance ( 3 ). In this arrangement the powder supply system ( 1 ) includes a main container ( 4 ) and a powder conveying system ( 5 ) with a storage container ( 51 ) for conveying the granular substance ( 3 ) into the processing apparatus ( 2 ). In accordance with the invention means ( 6, 611, 612, 62 ) are provided so that, in the operating state of the processing apparatus ( 2 ), a predetermined amount of the granular substance ( 3 ) can be conveyed from the main container ( 4 ) as working powder to the storage container ( 51 ) in such a way that at least a minimum amount (M 1 ) is available as a granular substance ( 3 ) in the storage container ( 51 ).
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