INJECTION MOULDING TOOL, METHOD OF INJECTION MOULDING AND A PACKAGING CONTAINER PROVIDED WITH AN INJECTION-MOULDED OPENING ARRANGEMENT

摘要

The present invention to injection molding an opening device 20 of the plastic into the hole of the packing material 9 It relates to a tool (1a, 1b, 2), the hole establish the hole edge (8), the tool is connected to a hole edge of the second side (9b) as well as part of the first side (9a) of the packaging material It includes hole edge (8) surrounding the mold cavity (7) and with the mold cavity is to extend to the inlet 10 and the packing material to the outside of the tool opposite the inlet (9) for the molten plastic comprising end gap (11), the inlet (10) includes a first flow direction of the flow gap (5) (F ₁ ) in the second flow direction of the mold cavity (7) from (F _{2 includes a direction change of the} ). According to the invention, the tool (1a, 1b) in the inlet (10), a first flow direction (F1) and substantially matching a throttle lip which projects in the direction (12). The invention also relates to a packaging container having an injection molding method and an injection molded opening device (20).