METODA UNTUK MEMBUAT STRUKTUR SABUK TAK-BERUJUNG DIRESAPI-RESIN UNTUK MESIN PEMBUAT KERTAS DAN APLIKASI-APLIKASI INDUSTRI SEJENISNNYA

摘要

A resin-impregnated endless belt for a long nip press or calender of the shoe type, or for other papermaking and paper-processing applications, has an open base fabric in the form of an endless loop with an inner surface, an outer surface, a machine direction and a cross-machine direction. A coating of a polymeric resin is on the inner surface of the base fabric. The polymeric resin impregnates and renders the base fabric impermeable to liquids, and forms a layer on the inner surface thereof. The coating is smooth and provides the belt with a uniform thickness. The belt is manufactured by mounting the base fabric about a first roll and a second roll, which are separated to place the base fabric under tension in the machine direction. A conveyor belt is placed within the base fabric at a preselected distance from the inner surface thereof. The conveyor belt and base fabric are run at a common speed, and, starting at a lateral edge of the base fabric, polymeric resin is dispensed onto the base fabric over the conveyor belt from a dispenser. The conveyor belt and dispenser are moved transversely across the base fabric as the latter is coated in a spiral fashion.