Forming apparatus, shoe thereof and forming method
US9156073B2 · kind B2 · utility
3Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2009 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Mar 17, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B7/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A forming apparatus and method for forming a sectional profile of round tubing, angled tubing or open forming stock without losing the manufacturability of conventional roll forming The forming apparatus comprises individual shoe blocks having a pass on their rotating curved faces. The shoe blocks can be moved in the circumferential direction on an endless track, and are connected to provide the same curvature radius and length as a required arc segment of a virtual large-diameter circle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.