Method and system for blowing and filling lightweight containers
US9573705B2 · kind B2 · utility
3Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2012 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Jul 7, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention concerns a method of blowing and filling a container from a thermoplastic polymer preform, comprising: stretching a thermoplastic polymer preform (16) placed within a mould (12) during a stretching phase, starting an injection phase for injecting a liquid into the preform, the injection phase starting after the stretching phase has started, characterized in that prior to starting the injection phase the liquid is at a predetermined pressure above the atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.