Claims for Patent: 3,169,424

Summary for Patent: 3,169,424

Title:	Automatic control system for rolling mills and adjustable dies
Abstract:
Inventor(s):	Glenn A Branscom, Burnette P Chausse, John A Lindner, Kenneth R Thompson
Assignee:	General Electric Co
Application Number:	US169888A
Patent Claims:	9. IN A SYSTEM FOR REDUCING STRIP MATERIAL FROM A GAGE OF A SUBSTANTIAL PREDETERMINED VALUE TO A DESIRED GAGE, MEANS FOR PASSING SAID MATERIAL THROUGH AN ADJUSTABLE MILL, MEANS FOR REGISTERING SAID PREDETERMINED VALUE AND SAID DESIRED GAGE, VELOCITY MEASURING MEANS LOCATED BEFORE AND AFTER SAID MILL TO MEASURE THE ENTRY AND EXIT VELOCITY OF SAID MATERIAL, CALCULATING MEANS OPERATIVE IN RESPONSE TO SAID PREDETERMINED VALUE, SAID ENTRY AND EXIT VELOCITIES, AND SAID DESIRED GAGE TO PRODUCE A CONTROL INDICATION REPRESENTATIVE OF THE REQUIRED DEVIATION IN THICKNESS OF SAID MATERIAL TO YIELD SAID DESIRED GAGE, MEASURING MEANS LOCATED BEFORE SAID MILL FOR MEASURING THE DEVIATION OF THE THICKNESS OF SAID MATERIAL FROM SAID PREDETERMINED VALUE AND PRODUCING A DISCRETE INDICATION THEREOF, MEANS FOR STORING SAID DISCRETE INDICATION UNTIL THE MEASURED INCREMENT OF MATERIAL IS SUBSTANTIALLY AT THE BITE OF SAID MILL, AND COMPARISON MEANS RESPONSIVE TO SAID DISCRETE INDICATION AFTER STORAGE AND TO SAID CONTROL INDICATION TO DEVELOP CONTROL SIGNALS FOR SELECTIVELY ADJUSTING SAID MILL.