73585386
Feb 28, 1986
Mar 14, 1989
ROLLING MILL, MACHINE AND ROLLING MILLS FOR ROLLING OF INGOTS, BLOOMS, SHEETS, PLATES AND BILLETS; CONTROLLABLE DRIVES AND DRIVE APPARATUS FOR ADJUSTING THE SPACING OF THE ROLLS IN ROLLING MILL MACHINES
MachineryCONTROLS AND PARTS THEREOF FOR MEASURING AND CONTROLLING THE POSITIONING OF ROLLS IN ROLLING MILLS; HYDRAULIC CONTROLS FOR THE ADJUSTMENT OF ROLLS IN ROLLING MILLS, INCLUDING HYDRAULIC CYLINDERS AND PISTONS AS WELL AS CONTROLS FOR THESE HYDRAULIC CYLINDERS AND PISTONS; MEASURING INSTRUMENTS FOR MEASURING THE ROLLING GAP IN ROLLING MILLS; ELECTRIC AND ELECTRONIC CONTROLS AND PARTS FOR THE ADJUSTMENT OF ROLLS IN A ROLLING MILL DURING ROLLING FOR OBTAINING UNIFORM MATERIAL THICKNESS AND/OR WIDTH AND/OR PLANARITY OF THE ROLLED STOCK
Electrical and Scientific Apparatus