Class [40]
Treatment & Processing of Materials Services
Processing and refinement of metallic objects, in particular of tools and components of technical devices and machines, as well as their surfaces, by methods of hardening techniques carried out in vacuum furnaces, in particular vacuum hardening, vacuum tempering, vacuum hardening and high-temperature tempering, stress-relieved annealing, recrystallisation annealing, normal annealing, soft annealing, homogenising, solution annealing, ageing and precipitation hardening, by methods of hardening techniques carried out in salt baths, in particular salt bath hardening, neutral hardening, salt bath tempering, salt bath hardening and high-temperature tempering, salt bath nitrocarburising (Tenifer treating), carburising, case hardening, partial tempering, soft annealing, by methods of hardening techniques carried out in chamber furnaces and air-circulation furnaces, in particular hardening, tempering, hardening and high-temperature tempering, stress-relieved annealing, recrystallisation annealing, normal annealing, soft annealing, ageing, precipitation hardening, cyclic annealing, carburising, case hardening, by methods of hardening techniques in the form of laser hardening, laser alloying, laser remelting and melting off, by methods of heat and surface treating carried out in a controlled gas atmosphere, in particular hardening, soft annealing, normal annealing, homogenising, solution annealing, ageing, recrystallisation annealing, stress-relieved annealing, hardening and high-temperature tempering, partial hardening, tempering, nitriding, nitrocarburising, carbonitriding, case hardening, carburising, cyclic annealing, oxidation, by methods of surface technology, in particular plasma nitriding, plasma nitrocarburising, plasma oxidation, steam tempering, hard material coating by plasma coating processes, such as physical vapour deposition (PVD) processes and plasma-assisted chemical vapour deposition (PA-CVD) processes; surface treating, in particular using solvents and alkaline cleaning, ultrasonic cleaning with and without degreasing, lapping (wet and dry), pickling, planishing, polishing, grinding, brushing, stripping of hard material layers, vacuum degassing.
