ASSEMBLY FOR SYRINGE, ASSEMBLY METHOD AND ASSEMBLY DEVICE FOR ASSEMBLING ASSEMBLY FOR SYRINGE, PRE-FILLED SYRINGE USING ASSEMBLY FOR SYRINGE, AND METHOD FOR ASSEMBLING PRE-FILLED SYRINGE
A method for assembling an assembly for a syringe that includes a cylindrical outer barrel a puncture needle and a cylindrical cap. The method includes forming a closed space in a receiving hole of the cap by inserting the puncture needle and a barrel tip at least partially into the receiving hole before a tip end of the puncture needle is inserted into a bottom wall of the cap discharging gas in the closed space and sealing a tip end of the needle hole by further inserting the barrel tip into the receiving hole to insert the tip end of the puncture needle into the bottom wall.
