Patent · US Expired

Method for shaping panels by a bending operation, in particular panels for aircraft fuselage skin, and apparatus for implementing such method

US4498325A · kind A · utility

4Cited by

4References

10Claims

0Family size

Assignees

Walter Eckold GmbH & Co. KG · DE
Dornier GmbH · DE

Inventors

Helmut Reccius · Gummersbach, DE
Werner Ponitzsch · Friedrichshafen, DE

Key dates

Filing date	Sep 29, 1982
Grant date	Feb 12, 1985
Priority date	—
Expiry date	Sep 29, 2002

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D11/20
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method is disclosed for bending panels which are provided with reinforcing stiffening ribs. The bending is caused by upsetting or elongating the ribs. Apparatus for carrying out the method also is disclosed and includes means which engage the ribs at points spaced a predetermined distance from the panel skin. The invention is particularly applicable to the shaping of aircraft fuselage skin sections.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.