Method and apparatus for stretch blow molding a container
US8741206B2 · kind B2 · utility
0Cited by
26References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2010 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Nov 30, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved stretch rod tip having a hollowed area for receipt of a portion of a preform and at least a portion of a sprue during stretch blow molding of a container. Upon hardening of the container, the received portion of the preform becomes a protective dome over the received portion of the sprue that is at least partially internal to the container and that greatly reduces cracking, shearing, or other fracturing of the container due to a drop impact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.