| 摘要 |
PROBLEM TO BE SOLVED: To provide a system for feeding a powder from a powder storage tank for a long distance. SOLUTION: The powder feed system is provided with a powder tank 1 for storing the powder and capable of carrying out internal pressurization; a powder feed amount adjustment valve 11 for adjusting a feed amount of powder from the powder tank; a first air pipe 3 for feeding compressed air to the powder tank; a conduit 13 for feeding the powder from the powder feed amount adjustment valve to a desired place; and a second air pipe 7 for introducing the compressed air to the conduit at a downstream side of the powder feed amount adjustment valve. The first air pipe and the second air pipe have respective separate independent compressed air source and air pressure adjustment means. COPYRIGHT: (C)2004,JPO&NCIPI
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