Overflow downdraw glass tube forming apparatus
US10472269B2 · kind B2 · utility
0Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2015 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Feb 4, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B17/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for forming glass tubing is described. The apparatus for forming glass tubing comprises an endless former with an outer surface and an inner passage defining an inner surface. The apparatus for forming glass tubing further comprises two chambers from which molten glass may flow. One chamber flows molten glass to the outer surface of the endless former and another chamber flows molten glass to the inner surface of the endless former. The two flows of molten glass meet at the bottom of the former to form glass tubing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.