Title:
EXTRUDED PET PARISON, CONTAINER, AND METHOD
Document Type and Number:
WIPO Patent Application WO/2013/112736
Kind Code:
A3
Abstract:
An extruded PET parison includes a first extruded polymer that may comprise PET, and a second extruded polymer that may comprise PET. In embodiments, the first extruded polymer and the second extruded polymer are co-extruded, and the first extruded polymer has an intrinsic viscosity that is higher that the intrinsic viscosity of the second extruded polymer. In other embodiments, a blend of a first polymer having a higher IV and a second polymer having a lower IV are blended. Additionally, for some embodiments involving regrind materials, an elutriation process may be used to remove particulates or fines.
Inventors:
YOUNG WILLIAM C (US)
HOLT HARVEY SHANNON (US)
MOSS GATES (US)
KITZMILLER MICHAEL C (US)
HOLT HARVEY SHANNON (US)
MOSS GATES (US)
KITZMILLER MICHAEL C (US)
Application Number:
PCT/US2013/022992
Publication Date:
June 18, 2015
Filing Date:
January 24, 2013
Export Citation:
Assignee:
PLASTIPAK PACKAGING INC (US)
International Classes:
B29C49/04; B29C48/09
Foreign References:
| US20020061371A1 | 2002-05-23 | |||
| US20100201015A1 | 2010-08-12 | |||
| US20080093777A1 | 2008-04-24 | |||
| US5289921A | 1994-03-01 | |||
| US20060275569A1 | 2006-12-07 | |||
| US20050118406A1 | 2005-06-02 |
Other References:
See also references of EP 2807082A4
Attorney, Agent or Firm:
GUENTHER, John, P. (39577 Woodward AvenueSuite 30, Bloomfield Hills MI, US)
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