Slip lock forming apparatus
US4803879A · kind A · utility
Inventor
Key dates
| Filing date | Feb 3, 1987 |
| Grant date | Feb 14, 1989 |
| Priority date | — |
| Expiry date | Feb 3, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D5/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There is provided a new and useful slip lock forming apparatus comprising a support structure, a forming die mounted on the support structure, a clamping mechanism mounted on the support structure and comprising a pair of clamping members movable between an open and a closed position for holding a workpiece in position relative to the die, a press mechanism mounted on the structure and comprising a pair of pressing surfaces at least one of which is movable relative to the other between a first position in which the surfaces are in contact and a second position in which the surfaces are spaced from each other, and a forming bar mounted on the structure and movable between a retracted position and an extended position for forming a workpiece around the die.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.