Metal wheels being part of machines, in particular with plastic or rubber rings

Metal rollers with plastic or rubber rings, namely, steering rollers and/or fixed rollers for movement of boxes, crates, food transportation equipment, laboratory and medical equipment, furniture, kitchen appliances, laundry transport equipment, material handling equipment, rescue equipment, rolling towers, scaffolding, sports equipment, stages, game tables, and transport equipment; furniture casters of metal with plastic or rubber rings

Wheels, in particular with plastic or rubber rings, all for machines, apparatus and instruments and of metal