Perfected counterdie for pipe bending machines
US5694800A · kind A · utility
6Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1995 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Nov 21, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D7/024
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Improved counterdie for pipe bending machines, that has an approximately semicylindrical configuration in the working zone, with its frontal walls in a progressive ramp that becomes more pronounced in the vicinity of the exit zone, and provided with a longitudinal neck that is semicylindrical after the entrance zone, and then later truncated cone-shaped up to the exit zone, and with a longitudinal depression at the bottom with progressive section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.