Mold (20), provided with a mold cavity which is at least partly defined by a movable wall part (50), wherein injection means (34) are provided for introducing material into the mold cavity, which injection means comprise at least one injection opening (34A) which is provided in at least one stationary wall part (80) of the mold cavity, wherein said stationary wall part (80) is at least partly surrounded by said at least one movable wall part (50).