IPC Definitions - January 01, 2012

B21D 26/051 - Definition fr

Definition statement

This group covers:

Devices and methods for deforming metal double-walled tubular bodies by applying fluid pressure.

Special rules of classification

When the invention is characterized by the shape of the bodies to be deformed in combination with a particular material feature of the bodies to be deformed, the invention shall also be classified in B21D 26/053 and subgroups thereof.