Methods for making polyethylene terephthalate (PET) preforms and containers such as food bottles, containers and intermediate preforms obtained
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United States of America Patent
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Jul 24, 2007
Grant Date -
Oct 28, 2004
app pub date -
Jul 30, 2002
filing date -
Jul 31, 2001
priority date (Note) -
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Abstract
The invention concerns the field of manufacture of PET containers designed in particular for packaging food products, particularly bottles for aerated beverages such as in particular natural and mineral water. The method for manufacturing PET resin preforms and the resulting preforms, a method for making PET resin containers from the preforms and the manufactured containers, in particular food bottles made of PET resin. The method for making PET resin preforms is characterised in that it consists in using a PET resin having an intrinsic viscosity (IV) less than 0.65 dl/g.
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