| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection nozzle of a plastic raw material constituted so as to increase the injection flow rate of the plastic raw material when the injection nozzle of the raw material is inserted in the plastic raw material injection port of a plastic lens casting mold to inject the plastic raw material and capable of preventing the inside of a glass mold from being damaged at the same time, and an injection device of the plastic raw material. SOLUTION: As the injection nozzle 7 of the plastic raw material, one of which the tip part inserted in the casting mold 8 has a flat hollow shape is used and, as the plastic lens casting mold 8, one of which the raw material injection port 85 has an elongated slit shape permitting the insertion of the injection nozzle 7 of the raw material is used and the tip part of the injection nozzle 7 is inserted in the raw material injection port to inject the raw material. COPYRIGHT: (C)2007,JPO&INPIT |
