Patent ID: 6176699
Filing Date: 2001-01-23
Classification: B29C

Abstract:
A parison handling and carrying device, comprising:a pair of arms with at least one arm movable towards and away from the other arm to permit selective engagement with a parison having a tubular portion received between them and carrying of the parison;at least one cam carried by each arm and having a profile;at least two grippers carried by each arm with at least one gripper on each arm being movable relative to the arm between advanced and retracted positions to vary the longitudinal distance between at least a pair of adjacent grippers;at least one follower carried by at least one movable gripper of each arm with each follower being responsive to the profile of an associated cam to control the movement of its associated movable gripper; anda separate actuator carried by each arm and operably connected to each movable gripper to move the movable grippers between their advanced and retracted positions, whereby when displaced by an actuator the engagement of a follower with a cam determines the path of travel of said movable gripper with the path of travel relative to the arm increasing the longitudinal distance between at least a pair of adjacent grippers constructed and configured to stretch the material of a parison received between the grippers and to close the tubular portion of the parison received between the grippers as the arms are moved relatively toward each other for carrying and handling the parison.