| 摘要 |
<p>A method of making a plastic container (12) in accordance with one aspect of the present invention includes molding an intermediate container product (24) having a body (12) and a moil (26) integral with the body (12). The body is of layered construction that includes at least one layer of barrier resin that extends part-way into but not throughout the moil (26). The upper portion of the moil (26), in which the barrier material is absent, is removed and can be used for recycling as process regrind. The lower portion of the moil (26) is removed to form the container (12). In the preferred embodiment of the invention, the upper portion of the moil (26) is removed in a laser trimming operation. The lower portion of the moil (26) is removed in the preferred embodiment of the invention by inserting a plug (32) into the open end or mouth of the container, and employing a cutting tool (34) that is positioned by the plug (32) for accurately trimming of the container product with respect to the mouth of the container (12). The cutting tool (34) preferably is either a pair of shear rollers (36, 38) or a laser cutting tool.</p> |
