Methods for making polyethylene terephthalate (PET) preforms and containers such as food bottles, containers and intermediate preforms obtained
US7247698B2 · kind B2 · utility
2Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2002 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jul 30, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.