Powder feeding apparatus
US5014889A · kind A · utility
2Cited by
13References
6Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Sep 26, 1989 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Sep 26, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29B7/60
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A powder feeding apparatus comprising a holding hopper for holding a powder, a metering hopper for metering the powder from the holding hopper, a mechanism for opening and closing a discharge opening in the metering hopper, a controller for controlling the hopper opening-closing mechanism, and a trough where the powder discharged in a heap from the metering hopper is smoothed into a layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.