Punch with removable blade
US4494426A · kind A · utility
8Cited by
7References
2Claims
0Family size
Inventor
Key dates
| Filing date | May 20, 1983 |
| Grant date | Jan 22, 1985 |
| Priority date | — |
| Expiry date | May 20, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9476
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch for cutting an elongated slug from material has a removable hollow blade having first and second sides, one side shorter than the other. The blade is received in a body having upper and lower seats for receiving the first and second sides of the blade. An opening in the body allows for passage of the severed slug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.