Roll forming apparatus
US5970764A · kind A · utility
Inventor
Key dates
| Filing date | Jan 12, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Jan 12, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D5/08
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A roller die apparatus for supporting pairs of roller dies in predetermined clearances for processing a web workpiece, and for varying the clearances between the dies to accommodate variations in the thickness of a web workpiece and having first and second roller dies rotatably mounted on respective roller die bearings, one of the first and second roller dies being moveable upwardly and downwardly transversely to its axis of rotation, and one of the first and second roller dies being moveable axially along its axis of rotation, thereby achieving adjusting of the die clearance between the first and second roller dies in two planes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.