Patent · US Expired

Dispenser for bulk particulate material

US4270671A · kind A · utility

6Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 25, 1978
Grant dateJun 2, 1981
Priority date
Expiry dateSep 25, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G69/181
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An apparatus for dispensing bulk, particulate material in a controlled choked flow in which the particulate material is fed through a vertical hopper having a closure which has its opening controlled by the weight of material in the hopper.

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