Dual notcher
US6640602B2 · kind B2 · utility
2Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Apr 4, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/398
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for simultaneously forming multiple notches in opposing surfaces of a hollow workpiece in a single action. The device includes a first die and a first punch that is fixed relative to the first die. A second die and a second punch are fixed relative to each other and movable relative to the first punch and first die. In response to movement of the second die and second punch, the first die cooperates with the second punch to form a first notch in the first surface and the first punch cooperates with the second die to form a second notch in the second surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.