Process and device for forming hollow glass objects having a neck with a localized constriction
US5407457A · kind A · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1993 |
| Grant date | Apr 18, 1995 |
| Priority date | — |
| Expiry date | May 26, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B9/165
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A forming process which utilize blown-blown technique has an initial phase, a transfer phase, and a finishing phase for producing a hollow glass object provided with a neck. During the initial phase all or part of the internal profile of the neck is molded by a mechanical element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.