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Method for Sizing a Multi-ply Fiber Web and a Forming Section for a Multi-ply Fiber Web
Method for Sizing a Multi-ply Fiber Web and a Forming Section for a Multi-ply Fiber Web
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机译:多层纤维网的尺寸确定方法和多层纤维网的成型部
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摘要
A method for forming a multi-ply fiber web in which least part of the sizing of the multi-ply fiber web is provided by applying sizing agent in the form of foam by a curtain type application device (C10, C20) in between at least two layers of the multi-ply fiber web in the forming section. The invention also relates to a forming section for a multi-ply fiber web having at least one twin-wire forming part formed between a wire (10) for the bottom layer and a wire (20) for the top layer of the multi-ply fiber web, where the layers are joined, and the treated layers combined. The forming section has a curtain type application device (C10, C20) for applying sizing agent in the form of foam in between two layers of the multi-ply fiber web in the forming section of a multi-ply fiber web production line.
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