| 摘要 |
PROBLEM TO BE SOLVED: To mold a sound two-layer molding body, by preventing mixing-in of raw material powder.SOLUTION: A two-layer molding feeder comprises: a first powder box 11 for storing first powder and opening a lower surface; and a second powder box 12 for storing second powder and opening a lower surface, in which the first powder box and the second powder box are juxtaposed in a vertical direction to an advance-retreat direction of the feeder 40, and seal members 13 and 14 respectively composed of an elastic member are respectively arranged around the first powder box and around the second powder box on an under surface of the feeder. A shielding member 45 composed of an elastic member extending in the advance-retreat direction of the feeder, is formed in the middle of the first powder box and the second powder box on a front side of a feeder body under the surface. |
