Apparatus for cutting disks from sheets
US4060333A · kind A · utility
19Cited by
10References
4Claims
0Family size
Inventor
Key dates
| Filing date | Jul 14, 1976 |
| Grant date | Nov 29, 1977 |
| Priority date | — |
| Expiry date | Jul 14, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/97
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disk cutting apparatus embodying a pair of detachable clamping elements having flat surfaces facing each other for clamping a stack of sheets of material therebetween from which the disks are cut. At least one opening is provided through a clamping element and is of a size corresponding to the size of the disk to be cut. A cutter extends through the opening and has inner and outer cylindrical surfaces with the outer surface being of a size corresponding to the size of the opening. The inner surface at one end of the cutter is beveled to provide an outwardly flaring annular surface which terminates in an annular cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.