The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2007
Filed:
Sep. 24, 2004
Applicants:
Philip Sheets, York, PA (US);
Jim Dunman, Conowingo, MD (US);
Inventors:
Philip Sheets, York, PA (US);
Jim Dunman, Conowingo, MD (US);
Assignee:
Graham Packaging Company, L.P., York, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for fracturing a defective preform for use in blowmolding is claimed. The preform has head end and a tail end and the device comprises a tube with walls defining a cavity for accepting the defective preform while the defective preform is on a core of an injection molding apparatus, an attachment element that attaches the tube to the injection molding apparatus, and locates the tube relative to the core; and a percussion instrument that contacts and breaks the defective preform at the tail end of the preform.