Tire building machines for passenger car tires, light-truck, medium and heavy truck tires and for agricultural tires; batch-off rubber slab cooling machinery, namely, rubber slab belt cooling conveyers; feeders for rubber mixers, extruders and mills; mill blenders; stock slitters for use in slitting rubber; strip coolers for use in cooling rubber strips; accessories for rubber slab cooling machinery and strip coolers, namely, platforms for the operator, apparatus consisting of an adjustable m...