Process for controlling properties of travelling sheets
Patent 5022966 Issued on June 11, 1991. Estimated Expiration Date: 
December 13, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 13, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3678594 Sheet material characteristic measuring, monitoring and controlling method and apparatus using data profile generated and evaluated by computer means Patent #: 3936665 InventorAssigneeApplicationNo. 450213 filed on 12/13/1989US Classes:162/198, With measuring, inspecting and/or testing162/252, Automatic control162/263Measuring, testing, inspecting, indicating or illuminatingExaminersPrimary: Hastings, Karen M.Attorney, Agent or FirmForeign Patent References
International ClassesD21F 001/06D21F 007/06 AbstractA method for controlling high-speed sheetmaking machine after abrupt process changes and during start-up periods and the like, includes operating a scanning sensor to periodically traverse back and forth across a sheet in the cross direction to detect values of selected sheet property along each scan while the cross-directional width of each scan is controlled to be substantially less than the width of the sheet being scanned. | |
