IPC Subgroup
B21J 7/02 Special design or construction
Introduced: September 1968
Last revised: January 2006
Full Title
Hammers; Forging machines with hammers or die jaws acting by impact > Special design or construction
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
5 direct subcodes
Child Classifications
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- B21J 7/04 Power hammers
- B21J 7/06 Drop hammers
- B21J 7/1 with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers
- B21J 7/14 Forging machines working with several hammers
- B21J 7/18 Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging