| 摘要 |
PROBLEM TO BE SOLVED: To prevent a foamable melted material from foaming in the interior of a slot nozzle assembly. SOLUTION: The slot nozzle assembly (2) for extruding the foamable melted material in a wide band is provided with a plurality of foamable melted material passages (20), lateral distribution flow routes (21, 22) communicating with the plurality of foamable melted material passages, a restriction member (8) disposed inside the lateral distribution flow routes, a slot (23) for discharging foamable melted material and a converging portion (22a) which makes the lateral distribution flow routes communicate with the slot, and whose cross-section area gradually becomes smaller toward the slot. COPYRIGHT: (C)2009,JPO&INPIT |
