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Title:
METHOD AND APPARATUS FOR REFORMING A PORTION OF A PLASTIC CONTAINER USING INDUCTION HEATING
Document Type and Number:
WIPO Patent Application WO/2010/118014
Kind Code:
A3
Abstract:
An apparatus (10, 10') and a machine (100) for reforming a portion of a plastic package (50) using induction heating. The apparatus and machine comprise a frame (20) engaging the plastic package and a workpiece support (40) having an electrically conducting workpiece (44, 48, 102). An induction workhead (62) provides an alternating current power supply to an induction element (60, 104). The induction element is positioned proximate the workpiece of the workpiece support and heats the workpiece via induction. A mechanism (22) positions the plastic package proximate the heated workpiece so that the workpiece transfers heat to the portion of the plastic package thereby softening the portion. A forming die (30) supported on the frame engages the portion to reform the portion. Also provided is a process of using the apparatus and machine to reform a portion of a plastic package using induction heating.

Inventors:
PENNINGTON GARRETT R (US)
SMELTZER THOMAS SCOTT (US)
OCONNELL PATRICK MATTHEW (US)
CARGILE DAVID WAYNE (US)
TAYLOR GREGORY DUANE (US)
Application Number:
PCT/US2010/030082
Publication Date:
January 20, 2011
Filing Date:
April 06, 2010
Export Citation:
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Assignee:
GRAHAM PACKAGING CO (US)
PENNINGTON GARRETT R (US)
SMELTZER THOMAS SCOTT (US)
OCONNELL PATRICK MATTHEW (US)
CARGILE DAVID WAYNE (US)
TAYLOR GREGORY DUANE (US)
International Classes:
B29C57/00; B29C49/76
Domestic Patent References:
WO2006060350A22006-06-08
Foreign References:
EP1230905A12002-08-14
US20050269744A12005-12-08
Attorney, Agent or Firm:
CASEY, Kevin, R. et al. (LLP30 Valley Stream Parkwa, Malvern PA, US)
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