Apparatus for uniform feeding of powders
US7713043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2005 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Dec 9, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B15/308
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An apparatus for and a method of feeding powders to a subsequent processing step. In particular, the apparatus includes a first hopper, a first metering brush feed, an intermediate chamber, a second distribution brush, a level sensor, and a supply hopper to deliver powder to a pair of rollers. In one embodiment, the hopper is fitted to the roller diameter to produce a uniform, ribbon or free-standing sheets suitable for air-breathing battery and fuel cell electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.