摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding method and the device wherein the location of other fluids in a resin layer can be detected and stopped at a specified location by a simple means and the operation, and thus, the other fluid layer can be formed at the specified location in the resin layer, and molded articles without unevenness can be formed, and at the same time, appearance abnormalities such as a hesitation mark are prevented from arising. SOLUTION: A resin of an amount which approx. makes the cavity 4 of an injection molding die 1 is injected from an injection nozzle 17a into the cavity 4, and after stopping the injection of the resin, other fluids such as a compressed gas and another resin are injected into the resin from a second gate 8, and at the same time, an excessive resin is made to flow out to a flowing out resin receiver 19 from a resin flow-out passage 18, and by detecting devices 26a, 26b, 26c, the reaching a specified location before reaching a resin flow-out port 9, of the other fluids is detected, and the resin flow-out passage 18 is closed by an opening/closing device 20, and under a pressurized state, the resin is solidified, and a resin molded article is manufactured. |