Method and apparatus for leveling a batch of pulverulent constituents in making a vitreous cellular material
US4571321A · kind A · utility
9Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1983 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Dec 29, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B19/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for leveling a batch of pulverulent constituents in making a vitreous cellular material. A screen structure having at least one substantially flat screen layer is impressed down into and through at least a portion of the batch of pulverulent constituents. The screen structure is vibrated horizontally in a circular orbital motion while impressing the screen structure down into and through at least a portion of the batch of pulverulent constituents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.