Multi-parison/dual cavity wheel blowmolds
US6709261B2 · kind B2 · utility
4Cited by
16References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2001 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Mar 23, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In blow molding, each mold has two or more cavities, each respectively fed by two or more parisons. Each cavity fed by a separate parison may itself include two or more article cavities aligned with its parison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.