EP 2 548 648 B1 relates to a mill for comminating of material.
The material to be comminated “essentially” enters radially (11) and the material is also discharged radially after having travelled along the drum, whereby the discharge opening (13) opening is free of sieves.
Procedure before the EPO
The patent was directly granted by the EPO on the basis of an ESR only mentioning 2 A,D and 1 A document.