Knife having beam elements
US10471620B2 · kind B2 · utility
5Cited by
22References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2016 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Dec 7, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26D2001/006
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A knife including a cutting edge, a fixed edge, and a plurality of beam elements connecting the cutting edge to the fixed edge, each of the beam elements having a beam element extent oriented between about 20 degrees and about 80 degrees off of the cutting edge, each beam element separated from adjacent beam elements by a reduced stiffness zone, each reduced stiffness zone having a reduced stiffness zone extent oriented from about 20 degrees to about 80 degrees off of the cutting edge. The knife can be employed in a process and an apparatus for cutting a web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.