METHOD FOR MOLDING HOLLOW OBJECTS OF THERMOPLASTIC RESINS AND AN APPARATUS FOR MAKING THE SAME
摘要
<p>A method for making plastic containers comprises the steps of heating an axially extending area of a tubular parison to a temperature higher than that of the remaining axially extending portion prior to forming the container in a mold. Apparatus for accomplishing such heating includes a furnace provided with an endless conveyor and auxiliary heater along a certain portion of the path of the conveyor.</p>
