Apparatus for controlling plastic material distribution in manufacture of biaxially oriented plastic containers
US4128383A · kind A · utility
11Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1977 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Oct 21, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2949/0715
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved apparatus which allows for uniform axial stretch rate and careful temperature control in the production of biaxially oriented plastic containers having uniform wall thickness and good clarity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.