Punch tool system
US10532481B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2015 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Jul 24, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punch tool for forming holes or apertures in workpieces. The tool includes a primary cylinder containing a movable ram and a secondary cylinder containing another movable ram. The primary and secondary cylinders are in hydraulic communication with each other. The primary cylinder is releasably engageable with a powered press tool and various dies or punches can be attached at the secondary cylinder. Systems of powered tools and the punch tools, and methods of forming holes in workpieces using the punch tools.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.