Blow molding device and a method for manufacturing a blow molded container
US9555574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2012 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Apr 20, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
To effectively prevent a mouth portion of a preform from being deformed and enlarged in diameter during blow molding, provided is a blow molding device that includes: a blow mold inside which a cavity is provided for accommodating therein a preform, except for a mouth portion which is an orifice end of the preform, the preform being preformed in a bottomed tubular shape; a blow nozzle provided to supply a pressurized fluid into the preform through the mouth portion of the preform; a partition wall member that tightly surrounds an outer wall surface of the mouth portion of the preform; with space being formed between the partition wall member and the outer wall surface; and a pressurized fluid supply unit that supplies a pressurized fluid into the space during blow molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.