Method for manufacturing a glass container having a large impact strength using permanent and non permanent coatings on the apparatus
US5120341A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1991 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Feb 19, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B40/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing a glass container by the steps of (a) providing a plunger with two portions, one portion having a sprayed metal coating of self-fluxing alloy and the second portion having a ceramic coating, (b) forming a lubrication carbon layer on surfaces of molds including a blank mold and a neck ring by periodically injecting flames of at least one kind of gaseous hydrocarbon having a carbon to hydrogen ratio more than 0.75, (c) supplying a gobbet of glass to the blank mold; (d) producing the parison from the gobbet of glass, using the plunger, the blank mold and the neck ring; and (e) blow-forming the parison to a glass container of a final configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.