Shrinkage reduction of blow molded oriented pet bottle
US4411610A · kind A · utility
11Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1980 |
| Grant date | Oct 25, 1983 |
| Priority date | — |
| Expiry date | Sep 18, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2035/0822
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process and apparatus for heat setting side walls of biaxially oriented thermoplastic resin containers to reduce shrinkage of the container and container treated by the process. Heating is by infrared radiation while shielding portions of the container. The apparatus comprises container handling systems to provide a fully automated system capable of being incorporated in present container production lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.