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Apparatus for forming glassware with arc movements between molds
| Details |
Inventors: Zappia, Anthony T.;
Assignee: Ball Packaging Products, Inc. (Muncie, IN)
Primary Examiner: Bashore; S. Leon
Assistant Examiner: Miga; Frank W.
Attorney, Agent or Firm: Jenkins, Coffey & Hyland
Glassware forming apparatus includes a first arm for supporting a first neck ring and a second arm for supporting a first blow head. The first and second arms are supported from a vertical column for projection along its axis and for independent pivotal movement about the axis. The apparatus also includes a parison mold and two blow molds. Each of the blow molds is divided into two portions, the portions of each mold being joined at a hinge. The axis of each hinge extends generally parallel to the column axis. Apparatus is provided for opening and closing the molds, and for pivoting and projecting the first and second arms to convey glassware blanks supported by the neck ring alternately to the two blow molds from the parison mold, and to move the blow head between the two blow molds to blow the glassware blanks into articles of glassware. The illustrated apparatus for pivoting and projecting each of the arms along the common axis includes a pinion gear attached to a shaft, the other end of which is attached to one of the arms. First and second racks alternately engage the pinion gear. A frame supports the racks for selective shifting movement. The frame itself is supported for movement longitudinally of the racks to turn the pinion gear when one or the other of the racks is in engagement with the pinion gear. Piston-and-cylinder arrangements are provided for longitudinally controllably moving the frame support apparatus and for controllably shifting the frame selectively to engage the pinion gear with one of the first and second racks. The frame is preferably pivotally mounted on the frame support and has a first position in which the first rack engages the pinion gear and a second position in which the second rack engages the pinion gear. The method of the present invention comprises the steps of forming blanks in the parison mold and alternately depositing the blanks in the blow molds to be formed into glassware. |
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DETAILED DESCRIPTION What is claimed is: 1.
Glassware forming apparatus comprising a first arm for supporting at least one neck ring, a second arm for supporting at least one blow head, means for supporting the first and second arms for separate pivotal movement about a common vertical axis, a parison mold and two blow molds, each blow mold being divided into two mold portions, the portions being joined at a hinge, each hinge having an axis which extends generally parallel to the axis of the support means, means for opening and closing the molds, and means for pivoting the first and second arms to convey alternately formed glassware blanks supported by the neck ring from the parison mold to the first blow mold and from the parison mold to the second blow mold and to move the blow head first to the first blow mold to blow the glassware blanks supported therein into glassware and then to the second blow mold to blow the glassware blanks supported therein into glassware.
2.
The apparatus of claim 1 and further including means for projecting the first and second arms vertically along the support means axis, the means for pivoting the first and second arms providing independent horizontal pivotal movement of the first and second arms.
3.
The invention of claim 1 wherein the means for pivoting the first and second arms comprises first and second racks mounted on a frame for pivotal movement about an axis generally perpendicular to the pivotal axis of the first and second arms, the means for supporting the first and second arms comprises an axle extending concentrically of the common axis and having first and second ends, one of the arms being attached to the first end and the second end being attached to a pinion gear, means for tilting the frame about its pivotal axis for engaging the pinion with one of the first and second racks, and means for reciprocating the frame longitudinally of the first and second racks to turn the pinion gear and cause the arm attached to the first end to pivot.
4.
The invention of claim 3 wherein the means for tilting the frame comprises a piston-and-cylinder arrangement
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