| 摘要 |
PROBLEM TO BE SOLVED: To provide an extrusion molding die in which the repair and the positioning of first to third die members 21, 22, 23 constituting the extrusion molding die 4 for a V-shaped corner material 25, are easily done.SOLUTION: Provided is an extrusion molding die in which: the die 4 is, within an imaginary plane in perpendicular to the resin moving direction, divided into a first die member 21, and a second and third die members 22, 23; in the second die member 22, a guide groove 456 extending along the resin moving direction, is formed; in the third die member 23, a guide protrusion 454 extending along the resin moving direction and fitting to the guide groove 456, is formed; the first to third die members 21, 22, 23, respectively, have, over the outer lateral of a flow slit 277, parting planes 267, 269; 268, 272 extending along the flow slit 277 and being in parallel to the resin moving direction; when the flow slit 277 wears, it is repaired by grinding these parting planes 267, 269; 268, 272. |
