Patent · US Expired

Material crusher

US6926216B2 · kind B2 · utility

4Cited by
6References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 10, 2002
Grant dateAug 9, 2005
Priority date—
Expiry dateFeb 9, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C7/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A material crushing device including rotating rotors having first and second crushing surfaces which converge to a nip. One or both of the crushing surfaces may include projections and one or more of the crushing surfaces includes channels disposed at the nip for ejection of crushed material. The channels may be angled into the direction of rotation of the rotors to direct crushed material therethrough.

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