Patent ID: 6450793
Filing Date: 2002-09-17
Classification: B29C,B29L

Abstract:
A thermoforming station for molding a sheet plastics material, comprising a movable panel supporting a thermoforming mold and a bell encompassing said thermoforming mold, wherein said bell comprises a vertically movable horizontal closing cover supported on vertically movable vertical sidewalls, said vertically movable closing, cover being adapted to be raised from said vertically movable sidewalls so as to provide a first peripheral cooling and ventilating opening and said vertically movable sidewalls being adapted to be vertically raised to provide a second peripheral cooling and ventilating opening, said vertical sidewalls having first end portions against which said closing cover can be abutted and second opposite end portions connected to a reduction assembly which cooperates with a corresponding reduction assembly, first driving means for vertically reciprocally driving said closing cover to bring said bell from a closed position to a first open position with respect to a said mold, and second driving means for vertically reciprocally driving said vertical sidewalls to bring said bell from the first open position to a second open position with respect to said mold.