An injection molding device, for manufacturing of composite products comprising a combination of a blank and an injection-molded plastic component, the injection molding device comprising: a. a first outer mold half comprising a first outer side face and a second outer mold half which is arranged displaceable with respect to the first outer mold half in a first direction (x) between an open position and a closed position and comprising a second outer side face; and b. a center block arranged, with respect to the first direction (x), between the first and the second outer mold half (5, 7) and in the open position of the injection molding device being rotatable around a center axis arranged perpendicular with respect to the first direction (x); c. the center block comprising at least one pair of center block side faces each carrying an inner mold half interacting in a closed position of the injection molding device in a first separation plane with the first outer mold half, respectively in a second separation plane with the second outer mold half forming in the closed position at least one first cavity and at least one second cavity; d. at least one of the first and/or the second cavity (13; 14) comprising at least one clamping means to clamp at least one blank, and in the closed position of the injection molding device forming at least one compartment to receive liquefied plastic material to form a plastic component interconnecting to the blank along at least one pair of adjacent edges, e. wherein in the closed position of the injection molding device the at least one first cavity and/or the least one second cavity is formed by a convex core and an operatively associated concave recess, characterized in that f. at least one concave recess is arranged on a side face of the center block and a thereto operatively associated convex core is arranged on a side face (6, 8) of at least one outer mold half (5, 7); or g. at least one convex core is arranged on a side face of the center block and a thereto operatively associated concave recess is arranged on a side face (6, 8) of at least one outer mold half (5, 7). a. a first outer mold half comprising a first outer side face and a second outer mold half which is arranged displaceable with respect to the first outer mold half in a first direction (x) between an open position and a closed position and comprising a second outer side face; and b. a center block arranged, with respect to the first direction (x), between the first and the second outer mold half (5, 7) and in the open position of the injection molding device being rotatable around a center axis arranged perpendicular with respect to the first direction (x); c. the center block comprising at least one pair of center block side faces each carrying an inner mold half interacting in a closed position of the injection molding device in a first separation plane with the first outer mold half, respectively in a second separation plane with the second outer mold half forming in the closed position at least one first cavity and at least one second cavity; d. at least one of the first and/or the second cavity (13; 14) comprising at least one clamping means to clamp at least one blank, and in the closed position of the injection molding device forming at least one compartment to receive liquefied plastic material to form a plastic component interconnecting to the blank along at least one pair of adjacent edges, e. wherein in the closed position of the injection molding device the at least one first cavity and/or the least one second cavity is formed by a convex core and an operatively associated concave recess, characterized in that f. at least one concave recess is arranged on a side face of the center block and a thereto operatively associated convex core is arranged on a side face (6, 8) of at least one outer mold half (5, 7); or g. at least one convex core is arranged on a side face of the center block and a thereto operatively associated concave recess is arranged on a side face (6, 8) of at least one outer mold half (5, 7).