| 摘要 |
<p>PURPOSE:To obtain high-grade honeycomb molding extruded at an equal speed in spite of a slit width large or small by extruding molding material composed mainly of ceramics from a mold having flow speed adjusting pins and branch ways. CONSTITUTION:When extruding material is pushed into a die it is extruded from independent holes 13, 20 at the inlet side block 10a to the overlapped holes 16, 19 at the outlet side block 10b. Further, it goes to the internal molding grooves 14 and to the external molding grooves 22 and the honeycomb moldings are extruded continuously from the outlet side. Then, since the total area of the independent holes 13, 20 is made larger than the total area of the molding grooves 14, 22, the moldings are pressed sufficiently and extruded, and when they are extruded from the independent holes 13, 20 to the overlapped holes 16, 19, they are spread from the overlapped holes 16, 19 equally toward the vertical and longitudinal direction, stuck to each other and extended at a nearly uniform flow speed.</p> |
