BigPatents India

A mold opening and closing device for an Individual Section machine having a plurality of individual sections each comprising a pair of opposed mold support mechanisms displaceable between a separated retracted position whereat each mold support mechanism is located at a start position and an advanced position whereat molds carried by said mold support mechanisms will forcefully engage, characterized by an electronic motor operatively associated with each of said mold support mechanisms to displace said associated mold support mechanism between said retracted and advanced positions, and control means for controlling the operation of said electronic motors including operating means for operating each of said electronic motors to displace its associated mold support mechanism to a centre location one half the distance between said start positions, verifying means for verifying that each of the displaced mold support mechanisms is located within a selected distance from said center location, and Driving means for driving each of said electronic motors to apply a predetermined torque for a selected period of time.