Punch apparatus
US4425829A · kind A · utility
40Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1981 |
| Grant date | Jan 17, 1984 |
| Priority date | — |
| Expiry date | Sep 17, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/207
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved interposer punch apparatus including a plurality of elongated punch elements, a head slidably supporting the punch elements, means to urge the punch elements in an extended position, a stripper plate, and a base for supporting a substrate to be punched with apertures for receiving the lower ends of the punch elements, the imrovement being a means in said base for forcibly displacing slugs of material punched from a substrate from the ends of the punch elements following a punching operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.