Preform for producing plastic containers in a stretch blow moulding process and method for producing the preform
US9233771B2 · kind B2 · utility
8Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 2011 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Sep 25, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a preform and a preform produced by extrusion blow molding for producing plastic containers in a stretch blow molding process and having a neck portion and a body portion closed by a preform base, which portions are separated from each other by a supporting ring protruding from the outer wall. The preform has a body portion of which the outside diameter narrows from the supporting ring in the direction of the preform base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.