Method and apparatus for cooling during in-mold handle attachment
AssigneeGraham Packaging PET Technologies Inc.
InventorsSuppayan Krishnakumar, David Piccioli
Life of this patent
Estimating the term…
Abstract
Method and apparatus for in-mold handle attachment, wherein a portion of a blow-molded container is formed about a retaining member on a handle during blow molding. After forming the container portion about the retaining member, a cooling medium is directed at the location of the container portion in order to accelerate the cooling rate at the container portion. There is achieved at least one of an improvement in the security of the attachment of the handle to the container, and a reduction in the blow-mold processing time.
Claims15
1-7. (canceled)
An improved blow-molding apparatus of the type including a stretch rod and blow-molding cavity, the improvement comprising:
- the stretch rod having at least one port for directing a cooling medium against a portion of a blow-molded container formed about a handle in the blow-molding cavity.
A stretch rod for use in a blow-molding cavity, the stretch rod including at least one port located at at least one select location for directing a cooling medium against a portion of a blow-molded container formed about a handle in the blow-molding cavity.
14-28. (canceled)
A stretch rod for a blow mold apparatus, the stretch rod including at least one port located for directing a cooling medium against a portion of a blow-molded container formed about a handle in the blow mold.
Dependencies are inferred from the claim text.