Patent ID: 6082991
Filing Date: 2000-07-04
Classification: B29C

Abstract:
An injection blow molding machine utilizing an extruder and having interchangeable machine tooling components, for manufacturing injection blow molded articles of different configurations and sizes, said injection blow molding machine comprising:a stationary machine platen;a movable machine platen which is movable toward and away from said stationary machine platen along a machine axis, to close and open a mold;opposite support structure mounted to said movable platen;a shuttle assembly mounted on said movable machine platen between said opposite support structure for movement with said movable machine platen, said shuttle assembly including a shuttle plate movable perpendicular to the machine axis and having a rear surface in close proximity to the movable machine platen;at least one core pin retainer mounted on said shuttle plate for movement therewith, each said core pin retainer holding a core pin that receives a parison to be blown into a bottle;slides movably mounted on said shuttle plate for movement with said shuttle plate and movable toward and away from each other in close proximity to a front surface of the shuttle plate around said at least one core pin retainer mounted on the shuttle plate, said slides having interchangeable neck rings;an injection mold with interchangeable injection cavities mounted on said stationary platen;at least one blow mold assembly with interchangeable blow mold halves defining blow mold cavities, said at least one blow mold assembly fixed relative to and positioned adjacent to said stationary machine platen; andat least one take off station mounted on the shuttle plate and including interchangeable pick off pins and stripper bushings movable along the pick off pins for removing a blown bottle on the pick off pins.