Process for controlling curl in coated papers
Patent 4853255 Issued on August 1, 1989. Estimated Expiration Date: 
March 11, 2008. 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.
March 11, 2008. 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 References3320086 InventorsAssigneeApplicationNo. 07/166994 filed on 03/11/1988US Classes:427/148, Heat sensitive118/217, Diverse applicator types118/221, Parallel, spaced or overlapping applications118/224, Rotary applicator opposite rotary applicator or rotary back-up118/225, Simultaneously operating on work118/227, Rotary118/255, Plural applicators and/or plural sources of coating material427/152, Coating opposite sides or forming plural or nonuniform coats427/211, Roller applicator utilized427/428.12And using transfer roller to feed coating material to roller applicatorExaminersPrimary: Pianalto, BernardInternational ClassesB41M 1/26 (20060101)B41M 1/36 (20060101) D21H 27/14 (20060101) Foreign Application Priority Data1985-11-30 JPAbstractA process for controlling curl in coated papers in which the paper web is coated on one side and is wetted with water on the opposite side by a roll-type water applying apparatus, the water applying operation being carried out under such conditions that the relative difference of the surface speed of the applicator roll from the running speed of the paper web is at least 1000 m/min. and preferably the water applicator roll is reversely turning. Curling of the paper is thereby eliminated. | |
