Patent · US Active

Roller mill for coffee

US8690087B2 · kind B2 · utility

13Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 2011
Grant dateApr 8, 2014
Priority date
Expiry dateMay 11, 2032

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C4/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a roller mill for coffee, a method for grinding coffee, and an application of grinding rollers for grinding coffee. In order to grind coffee, conventionally metal rollers are used which are subject to heavy wear and adversely affect the taste of the coffee. The object of the invention is to provide a roller mill for coffee, a method of grinding coffee and a corresponding application thereof that avoids these disadvantages. This is achieved by means of a roller mill for coffee with grinding rollers in opposite directions and having granite surfaces at a peripheral velocity ratio of the rollers 1:1.5 to 1.4, and by means of a corresponding application and corresponding method.

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