| 摘要 |
PURPOSE:To obtain a compact with the high quality by enlarging a pressurized area of pressurizing tools gradually timewise toward parts of the pressurizing tools corresponding to a peripheral part of the powder filled space and not allowing the compact to contain compressed air. CONSTITUTION:A pressurized fluid 7 is supplied from pressurized fluid supply ports 16a and 26a and with the increasing of the supply quantity of the fluid, the fluid 7 flows out to next pressurized areas adjacent to initial pressurized areas 15a-1, 25a-1 of the pressurizing tools 15 and 25. Powder 9 filled in the powder filled space 11 is gradually pressurized toward the peripheral part 11a from an area in the powder filled space 11 to confront the initial pressurized areas 15a-1, 25a-1 of the pressurizing tools 15 and 25. Air existing in the powder 9 is pressed out toward the peripheral part 11a and the compressed air to lead the compact to be damaged does not remain in the powder 9 pressurized initially. |
