Patent · US Expired

Shredder-mixer

US4978079A · kind A · utility

1Cited by
2References
6Claims
0Family size

Inventor

Key dates

Filing dateJan 23, 1990
Grant dateDec 18, 1990
Priority date
Expiry dateJan 23, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C13/286
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A machine for preparing soil mixes and the like utilizing a hopper and a conveyor forming a live bottom for the hopper to convey the materials into a shredding chamber. A hammer mill type apparatus is positioned in the shredding chamber to shred and mix the materials. The hammer mill apparatus works in cooperation with spring-loaded bars and with stationary bars which retard the bypassing of material around the hammer mill.

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