Patent · US Expired

Hollow profile having at least one laterally protruding flange and a method for the production thereof

US6387533B1 · kind B1 · utility

4Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 23, 1999
Grant dateMay 14, 2002
Priority date
Expiry dateNov 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.