Verfahren und Vorrichtung zum Herstellen von streckblasgeformten Gegenständen

摘要

A non-destructive, direct method and apparatus for producing stretch blow molded articles having at least one physical dimension within a preselected range. The apparatus includes an injection mold (4) defining an injection mold interior surface having a first differentially dimensioned portion (14) disposed at a preselected location thereon and capable of producing a parison (18) having a parison exterior surface (20) including a first marker (24) formed by contact with the first differentially dimensioned portion, and a stretch blow mold (30) defining a stretch blow mold interior surface (32) having a second differentially dimensioned portion (34) disposed at a predetermined location thereon and capable of producing the article (38) from the parison (18) including a second marker (44) formed by contact with the second differentially dimensioned portion. Relative position of the first marker (24) with respect to the second marker (44) indicates whether a dimension is within a preselected range. The method includes injection molding a parison (14) so that a parison exterior surface includes a first marker (24) disposed at a preselected position thereon and formed by contact with a first differentially dimensioned portion (14) disposed at a preselected location on an injection mold interior surface (32), and stretch blow molding an article (38) from the parison (14) so that an article exterior surface includes a second marker (44) disposed at a predetermined position thereon and formed by contact with a second differentially dimensioned portion (34) disposed at a predetermined location on a stretch blow mold interior surface (32).