| 摘要 |
PURPOSE:To prevent the generation of rejects due to seizure and to speed up the title casting by introducing a spray nozzle arranged so as to freely come and go between a movable die and a fixed die to the narrow recessed part of a cavity surface and the backside of a movable core to spray a release agent. CONSTITUTION:A spray nozzle 1 is used for spraying a release agent on a narrow recessed part 6, on which many nozzles 7 arranged protrusively on the body a1 of an automatic spray device A can no spray, and is formed into a shape smaller in diam. than the outer diam. of nozzle 7 and long in size, and is arranged at the position corresponding to the part 6. Further, a spray nozzle 1' used for spraying the release agent on the backside of the movable core 8 attached to a movable die 2, is formed into a long-sized shape larger in length than the nozzle 1, and further, is so formed as to enter the backside of core 8 by bending its front end having a spraying port. |
