Patent ID: 8246871

Claim:
Device for the injection moulding of a moulded part ( 2 ) comprising at least one void ( 1 ), wherein the void ( 1 ) extents at least in sections in the direction of a longitudinal axis (L) of the moulded part ( 2 ) with an injection moulding tool ( 3 , 4 ) comprising at least two parts and having a cavity ( 5 ), which cavity ( 5 ) has at least one cavity section extending in the direction of the longitudinal axis (L), wherein the injection moulding tool ( 3 , 4 ) has at least one melt injection opening ( 6 ) for plastic melt, wherein the injection moulding tool ( 3 , 4 ) has an inlet aperture ( 7 ) for a fluid injection nozzle ( 8 ), wherein a projectile ( 10 ) can be positioned at the fluid injection nozzle ( 8 ) in the region of the fluid aperture ( 9 ), which projectile ( 10 ) can be caused to flow in the direction of the longitudinal axis (L) through the still melted plastic due to the injected fluid, characterized in that the fluid injection nozzle ( 8 ) comprises a section ( 11 ) entering into the cavity ( 5 ), which section ( 11 ) is free from any undercut in a direction (E) of insertion of the fluid injection nozzle ( 8 ) into the cavity ( 5 ), wherein an angle (α) is arranged between the longitudinal axis (L) and the direction (E) of insertion, which angel (α) is at least 30°.