Patent · US Active

Apparatus for uniform feeding of powders

US7713043B2 · kind B2 · utility

2Cited by
11References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 2005
Grant dateMay 11, 2010
Priority date
Expiry dateDec 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.