Chipper knife and method of manufacturing a chipper knife
US8162249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2008 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jan 8, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23P15/40
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A chipper knife that is adapted to be mounted in chippers which have a rotatable tool, in the form of a disc, drum or frustoconical member, on which a plurality of such chipper knives are mounted has at least a first side having a raw, unworked surface or working stripes extending in the longitudinal direction of the chipper knife, substantially parallel to the cutting edge which also has a cutting edge portion extending inwardly from the cutting edge and terminating in a shoulder extending parallel to the cutting edge to provide a clearance step on the knife behind the shoulder with respect to the adjacent knife surface, which edge portion also has working stripes formed therein transverse that cutting edge portion and at an angle to the cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.