Apparatus for making precisely partitioned bulbous-shape container
US4070140A · kind A · utility
19Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1974 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Jul 31, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/253
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus comprising means for blow molding a preform having a body which is longitudinally partitioned by a bulkhead having the size, shape, and orientation required in a finished, precisely partitioned bulbous-shape container to convert the preform into such a finished bulbous-shape container while constraining the bulkhead from changing size, shape, or orientation during the blow molding operation. An integrated injection-blow molding embodiment is disclosed as well as discrete injection molding and blow molding apparatuses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.