Patent · US Expired

Hopper for storing free flowing solid material

US4361254A · kind A · utility

35Cited by
3References
7Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 19, 1980
Grant dateNov 30, 1982
Priority date
Expiry dateNov 19, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G65/4836
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A hopper includes a peripheral side wall having upper and lower open ends, and a conical body provided inside the peripheral side wall to define an annular space for storing solid material therebetween. The lower open end of the peripheral wall is separated from the conical body to define an annular discharge point therebetween.

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