Importance

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Abstract

A molded parison handling apparatus for removing hollow plastic parisons used in the manufacture of oriented plastic bottles from an injection molding machine includes a base having an arm coupled to the injection molding machine. A carriage mounted on the arm moves in a first dimension into and out of the space between the molding elements of the molding machine. A frame cooling unit coupled to the carriage engages the body portion of a set of parisons as they are released from the molding machine. A first motor moves the cooling apparatus to any of three preselected positions along the first dimension located outside the molding machine. A transfer assembly includes three sets of grabbers mounted on a gantry for movement with respect to the base. One set of grabbers grabs the finish portion of the parisons from the cooling apparatus. A second and third motor then translates the transfer assembly to one of two remote locations where a stationary cooler receives the body portion of the parisons for additional cooling. The transfer assembly then withdraws a fully cooled set of parisons from one of the stationary coolers, deposits the fully cooled parisons on an exit conveyor, and returns to grab another set of newly released parisons from the frame cooling unit.

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First Claim