FI (list display)

  • B21J7/00
  • Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers B25D; electrical features section H) HB CC 4E087
  • B21J7/02
  • .Special design or construction HB CC 4E087
  • B21J7/02@A
  • Vibration proof, sound proof HB CC 4E087
  • B21J7/02@B
  • special hammers HB CC 4E087
  • B21J7/02@Z
  • Others HB CC 4E087
  • B21J7/04
  • ..Power hammers HB CC 4E087
  • B21J7/06
  • ..Drop hammers HB CC 4E087
  • B21J7/08
  • ...with rigidly-guided hammer HB CC 4E087
  • B21J7/10
  • ..with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers HB CC 4E087
  • B21J7/12
  • ...the lever being a spring, i.e. spring hammers HB CC 4E087
  • B21J7/14
  • ..Forging machines working with several hammers HB CC 4E087
  • B21J7/16
  • ...in rotary arrangements HB CC 4E087
  • B21J7/16@A
  • Rotary swaging machines HB CC 4E087
  • B21J7/16@Z
  • Others HB CC 4E087
  • B21J7/18
  • ..Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging HB CC 4E087
  • B21J7/20
  • .Drives for hammers; Transmission means therefor HB CC 4E087
  • B21J7/22
  • ..for power hammers HB CC 4E087
  • B21J7/24
  • ...operated by steam, air, or other gaseous pressure HB CC 4E087
  • B21J7/26
  • ....operated by internal combustion HB CC 4E087
  • B21J7/28
  • ...operated by hydraulic or liquid pressure HB CC 4E087
  • B21J7/30
  • ...operated by electro-magnets HB CC 4E087
  • B21J7/32
  • ...operated by rotary drive, e.g. electric motor HB CC 4E087
  • B21J7/34
  • ...operating both the hammer and the anvil, so-called counter-tup HB CC 4E087
  • B21J7/36
  • ..for drop hammers HB CC 4E087
  • B21J7/38
  • ...driven by steam, air, or other gaseous pressure HB CC 4E087
  • B21J7/40
  • ...driven by hydraulic or liquid pressure HB CC 4E087
  • B21J7/42
  • ...operated by rotary drive, e.g. electric motors HB CC 4E087
  • B21J7/42@A
  • Boards HB CC 4E087
  • B21J7/42@B
  • Brakes HB CC 4E087
  • B21J7/42@Z
  • Others HB CC 4E087
  • B21J7/44
  • ....equipped with belts, ropes, cables, chains HB CC 4E087
  • B21J7/46
  • ..Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups HB CC 4E087
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