Mold opening and closing device for an apparatus making hollow bodies from thermoplastic material

Abstract

Abstract 1. A DEVICE FOR OPENING AND CLOSING MOLD HALVES HELD IN A PAIR OF TONG-LIKE ARM HOLDING ELEMENTS AND FOR MOVING SAME BACK AND FORTH WITH RESPECT TO A MACHINE FRAME BETWEEN A RECEIVING POSITION FOR A MOLDABLE PRE-FORM TO ANOTHER POSITION FOR SHAPING OR BLOWING SAME, COMPRISING: FIRST AND SECOND CARRIAGE MEANS MOUNTED ON SAID MACHINE FRAME AND BEING ADAPTED TO RECIPROCATE IN SAID MACHINE FRAME, A SINGLE DRIVE MEANS ADAPTED TO RESPECTIVELY RECIPROCATE BOTH OF SAID FIRST AND SECOND CARRIAGE MEANS, THE SECOND CARRIAGE MEANS CARRYING SAID MOLD HALVES AND HAVING BRAKE MEANS FOR RESTRAINING THE MOTION OF SAID SECOND CARRIAGE MEANS WITH RESPECT TO SAID MACHINE FRAME, SAID FIRST CARRIAGE MEANS BEING CONNECTED TO SAID SECOND CARRIAGE MEANS AND BEING PROVIDED WITH RESILIENT STOP MEANS FOR ARRESTING THE MOTION OF SAID FIRST CARRIAGE MEANS WITH RESPECT TO SAID SECOND CARRIAGE MEANS AT THE OPEN AND CLOSED POSITIONS OF SAID ARM HOLDING ELEMENTS, AND SAID SECOND CARRIAGE MEANS MOVING FROM ONE POSITION TO ANOTHER POSITION UPON THE CONTINUED RESPECTIVE MOTION OF SAID DRIVE MEANS OVERCOMING SAID RESILIENT STOP MEANS. D R A W I N G

Inventors

• 👤 H Scharrenbroich
• 👤 D Wollschlager
• 👤 S Fischer
• 👤 P Galden

Bibliographic Details