Moulds for glass making and use thereof
US4887791A · kind A · utility
7Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1988 |
| Grant date | Dec 19, 1989 |
| Priority date | — |
| Expiry date | Aug 3, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B9/48
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Cast-iron mold for the production of glass containers by using a "pressed-blown" or "blown-blown" technique wherein the parts exposed to the parison are coated with a uniform alumina layer of which the thickness is less than 5 micrometers. The invention applies to industrial techniques for producing glass containers such as bottles, flasks, jars or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.