Method of producing a polyester resin container and device for performing same
US7473388B2 · kind B2 · utility
37Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2003 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Jan 28, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67C3/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Method of producing a polyester resin container, such as a PET bottle, from a preform (10) includes a step whereby the preform (10) is heated to a temperature above a glass-transition temperature and a drawing step which is performed in a cavity (101). According to the invention, during the drawing step, an incompressible fluid and not a gaseous fluid is injected through the opening in the preform (10′).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.