Self-adjusting punch device
US4123956A · kind A · utility
13Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 12, 1977 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Sep 12, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/943
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a self-centering device for blanking out or punching holes through relatively thin gauge materials and particularly elastomeric materials such as rubber or plastic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.