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IPC Main Group
B21J 5/00

Methods for forging, hammering, or pressing; Special equipment or accessories therefor

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Subclass:
FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES

Related Keywords

DAMASCENING by pilingPILING of metal

3 direct subcodes

Child Classifications

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  • B21J 5/02 Die forging; Trimming by making use of special dies
  • B21J 5/04 by directly applied fluid pressure or explosive action