Method and apparatus for assembling a closure tab to a lid
AssigneeDart Container Corporation
InventorsRalph MacKenzie, Tyler DeLong, Ryan Gingras
Life of this patent
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Abstract
A method and apparatus for assembling a first thermoformed workpiece, such as a tab closure, to a second thermoformed workpiece, such as a lid.
Claims38
A method for automatically assembling a first thermoformed workpiece to a second thermoformed workpiece from a plastic sheet comprising a plurality of the first thermoformed workpieces and a plurality of the second thermoformed workpieces to form a composite thermoformed article, comprising:
- trimming at least one of the first thermoformed workpieces from the plastic sheet to form at least one trimmed first thermoformed workpiece;
- immediately after trimming, carrying the trimmed first thermoformed workpiece to a corresponding second thermoformed workpiece;
- and
- assembling the trimmed first thermoformed workpiece to the corresponding second thermoformed workpiece to form a composite thermoformed article.
A method for automatically assembling a first thermoformed workpiece to a second thermoformed workpiece from a plastic sheet comprising a plurality of the first thermoformed workpieces and a plurality of the second thermoformed workpieces to form a composite thermoformed article, comprising:
- trimming at least one of the first thermoformed workpieces from the plastic sheet to form at least one trimmed first thermoformed workpiece;
- carrying the trimmed first thermoformed workpiece to a corresponding second thermoformed workpiece;
- and
- press-fitting the trimmed first thermoformed workpiece to the corresponding second thermoformed workpiece to form a composite thermoformed article.
Dependencies are inferred from the claim text.