Apparatus for removing the waste edge pieces from punched blanks
US4537589A · kind A · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1982 |
| Grant date | Aug 27, 1985 |
| Priority date | — |
| Expiry date | Nov 5, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/2203
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Waste edge pieces are separated from punched blanks, especially cardboard box blanks, by puncturing to engage followed by outward pulling. The puncturing action is performed by a pawl, having a serrated edge, which is driven in an orbital motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.