Drain bushing
US4518406A · kind A · utility
3Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1983 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Dec 6, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B37/083
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A non-precious metal drain bushing for a glass melting apparatus utilized to manufacture continuous glass fibers. The bushing includes a flat plate positioned beneath the bushing block of the apparatus, the flat plate having a longitudinal rib on its undersurface. Drain apertures are provided through the plate and the rib, and electrical contact ears are provided on the rib. The bushing can be manufactured of either dispersion-strengthened alloy or of a heat-resistant alloy which is not dispersion-strengthened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.