Patent · US Active

Material handling system and method

US7975833B2 · kind B2 · utility

1Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 2008
Grant dateJul 12, 2011
Priority date
Expiry dateOct 7, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B29/06
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A material handling system for moving material from a storage device to a receiver comprises a counter rotating double screw feeder extending from the storage device to the receiver. The counter rotating double screw feeder comprises an outer screw feed member; an inner screw feed member; where the outer screw feed member being positioned in an outer screw feed member tube; and the inner screw feed member being positioned in an inner screw feed member tube. The material is feed from the storage device to the process tube via the outer screw feed member; the inner screw feed member removes gas and byproducts from the receiver.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.