Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL

B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills

B21B45/002Increasing friction between work and working rolls by using friction increasing substance B21B45/004Heating the product B21B45/008Heat shields B21B45/02for lubricating, cooling, or cleaning B21B45/0203Cooling B21B45/0206Coolants B21B45/0209Cooling devices B21B45/0215using liquid coolants B21B45/0218for strips, sheets, or plates B21B45/0224for wire, rods, rounds, bars B21B45/023by immersion in a bath B21B45/0233Spray nozzles, Nozzle headers; Spray systems B21B45/0239Lubricating B21B45/0242Lubricants B21B45/0245Lubricating devices B21B45/0248using liquid lubricants B21B45/0251for strips, sheets, or plates B21B45/0257for wire, rods, rounds, bars B21B45/0263using solid lubricants B21B45/0266Measuring or controlling thickness of liquid films B21B45/0269Cleaning B21B45/0272Cleaning compositions B21B45/0275Cleaning devices B21B45/0278removing liquids B21B45/0281removing coolants B21B45/0284removing lubricants B21B45/0287removing solid particles B21B45/029Liquid recovering devices B21B45/0293Recovering coolants B21B45/0296Recovering lubricants B21B45/04for de-scaling B21B45/06of strip material B21B45/08hydraulically