Hemmed metal panels, hemming apparatuses, and hemming methods
US8677796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2011 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Oct 6, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12264
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hemming station is configured for hemming a panel assembly including an outer panel having a hem flange defined by a hem edge. The hemming station includes a roller configured to fold the hem flange, a heating device configured to heat the hem edge, and a control unit. The control unit is configured to control the roller and the heating device such that the roller folds the hem flange when the temperature of the hem edge is in a predetermined temperature range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.