TREA

Hammers Forging machines with hammers or die jaws acting by impact

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Industry

  • CPC
  • B21J7/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21JFORGING HAMMERING PRESSING METAL RIVETING FORGE FURNACES

Current Industry

B21J7/00Hammers Forging machines with hammers or die jaws acting by impact

Sub Industries

B21J7/02Special design or construction B21J7/04Power hammers B21J7/06Drop hammers B21J7/08with rigidly-guided hammer B21J7/10with both drive and hammer connected to a fulcrumed lever B21J7/12the lever being a spring B21J7/14Forging machines working with several hammers B21J7/145the hammers being driven by a rotating annular driving member B21J7/16in rotary arrangements B21J7/18Forging machines working with die jaws B21J7/20Drives for hammers Transmission means therefor B21J7/22for power hammers B21J7/24operated by steam, air, or other gaseous pressure B21J7/26operated by internal combustion B21J7/28operated by hydraulic or liquid pressure B21J7/30operated by electro-magnets B21J7/32operated by rotary drive B21J7/34operating both the hammer and the anvil, so-called counter-tup B21J7/36for drop hammers B21J7/38driven by steam, air, or other gaseous pressure B21J7/40driven by hydraulic or liquid pressure B21J7/42operated by rotary drive B21J7/44equipped with belts, ropes, cables, chains B21J7/46Control devices specially adapted to forging hammers, not restricted to one of the preceding sub-groups
Industries