Punching unit for punching apparatus
US4979415A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Jun 23, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/95
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a punching unit for punching apparatus comprising a support section of a generally C-shape with a material inserting groove formed in the middle, a punch vertically movably and removably mounted in a mounting bore in the side end of the upper half of the support section, a die removably mounted in the side end of the lower half of the support section and having a die opening formed conforming to the outer periphery of a working surface of the punch, and a lifting mechanism removably connected to the die, the working surface of the punch is formed in a shape of a concave slot, and a slug discharge bore is provided communicating with the die opening of the die and with the lower half part of the support section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.