Patent ID: 6136417
Filing Date: 2000-10-24
Classification: B31F,Y10T

Abstract:
A corrugator apparatus having an adhering section equipped with a plurality of pressurizing units separately disposed in series along a sheet conveying direction, where a front linerboard and a rear linerboard are adhered to each other to form a corrugated fiberboard sheet and said corrugated fiberboard sheet formed in said adhering section is processed into a predetermined configuration in a processing section standing on the downstream side of said adhering section, said corrugator apparatus comprising:a sensor system placed on the upstream side of said processing section for detecting a moisture content level of each of said front linerboard and said rear linerboard;a first moisturizer provided on the upstream side of said sensor system and on the downstream side of the adhering section for directly supplying amounts of additional moisture to a surface of each of said front linerboard and said rear linerboard; anda controller for setting said amounts of additional moisture to be supplied from said first moisturizer on the basis of said detected moisture content level obtained by said sensor system.