Hollow profile having at least one laterally protruding flange and a method for the production thereof
US6387533B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Nov 23, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12375
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hollow profile having at least one laterally protruding flange and a method for the production thereof. The hollow profile having a hollow profile blank and a sheet metal strip. The hollow profile blank and the sheet metal strip each having a joining element and being adapted to be joined in a locking relationship. Wherein a hydraulic internal high pressure is generated within the hollow-profile blank and the joining element of the hollow-profile blank is shaped, whereby a non-releasable clamping action is formed between the joining elements of the hollow profile blank and the sheet metal strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.