Patent · US Expired

Crushing method and apparatus

US4834298A · kind A · utility

7Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateSep 15, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C13/1842
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A carbide tip is provided at a charge stock discharge opening of a rotor in a crushing apparatus. The dimension of the carbide tip in the inner circumferential direction of the rotor is set to 1/2 or more of a maximum particle size of the charge stock. Furthermore, another dimension of the carbide tip is set to 1/2-2 times the maximum particle size of the charge stock. A groove is formed at or near a bonded portion between the carbide tip and a base material of an end blade, so as to avoid stress concentration at the bonded portion.

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