B21J7/22 - CPC Classification Index

ClassID:

39132 ⎘

B21J7/22 - CPC Classification

Classification description:

Hammers; Forging machines with hammers or die jaws acting by impact; Drives for hammers; Transmission means therefor for power hammers

Sub-classes:

B21J7/24 » operated by steam, air, or other gaseous pressure 2
B21J7/28 » operated by hydraulic or liquid pressure 14
B21J7/30 » operated by electro-magnets 5
B21J7/32 » operated by rotary drive, e.g. by electric motor 6
B21J7/34 » operating both the hammer and the anvil, so-called counter-tup 4

Recent Application in this class:

20230302577

TEMPERATURE CONTROL SYSTEM FOR ADDITIVE MANUFACTURING AND METHOD FOR SAME

20190217417

Temperature control system for additive manufacturing and method for same

20050220658

Process for producing a high density by high velocity compacting