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| Number | Title | Issue Date |
| 7325761 | Hammer for a material size reduction machine A hammer 28 is provided for a material size-reducing machine of the type including a rotor on which the hammer is individually pivotally mounted. The hammer 28 includes a mounting end 36 having a throughbore for receiving a pivot pin therethroug... | 02/05/2008 |
| 6561885 | Ring cutter for cutting chips A ring cutter that cuts chips with a ring of knives. Two carrier rings enclose a collar of knife packets. Each knife packet includes a knife clamped between a knife carrier a clamping plate with a cutting edge of the knife pointing to the inside of the ri... | 05/13/2003 |
| 6558237 | Knife ring machining tool for machining chips A knife ring machining tool for machining chips, with a knife ring comprising a crown of knife packets as well as two carrier rings carrying the packets, which rings are arranged on the ends of the knife packets. Each knife packet includes a knife that is... | 05/06/2003 |
| 5505393 | Crushing device especially for scrap metal A crushing device for crushing material such as scrap metal and refuse has a housing with a material feeding section and a material removal section for removing crushed material. A shaft with a rotor connected thereto is rotatably supported in the housing... | 04/09/1996 |
| 4448357 | Rotary macerator An improved macerator adapted to shred crop material and having an annular perforated die ring and a roller operative within the die ring to extrude crop material through the perforations as the die ring and roller are power-rotated. The roller is journal... | 05/15/1984 |
