Glass manufacturing apparatus, a structural member thereof and method for heating the structural member by conduction heating
US7941038B2 · kind B2 · utility
3Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2007 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Sep 1, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B7/088
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hollow tubular body for molten glass in which local-overheating is reduced at the time of conduction heating. The hollow tubular body has a platinum or platinum alloy hollow tube, used for conduction heating, wherein a platinum or platinum alloy ring electrode is joined to the outer circumference of the hollow tube, a lead-out electrode is joined to an outer edge of the ring electrode, and a thick portion is provided in at least the joint portion closest to the lead-out electrode, of the ring electrode and in the vicinity thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.