Wet and dry forming of multi-ply web

Harri Kiiskinen; Jaakko Asikainen

Wet and dry forming of multi-ply web

Harri Kiiskinen (Inventor)
, Jaakko Asikainen (Inventor)

BA5401 Fiber web processes

Research output: Patent › Patent

Abstract

According to an example aspect of the present invention, there is provided a method for manufacturing a multi-ply fibre web structure from a cellulose-based material by combining two different web layer forming technologies, a foam-laid process and a dry-laid or an air-laid process, and wet-pressing thereby formed web layers together. Also described is a multi-ply fibre web structure manufactured by such method.

Patent family as of 14.7.2026
FI132012 B, FI20245123 A, WO25168884 A1

Original language	English
Patent number	FI132012 B1
IPC	D21F11/00
Priority date	7/02/24
Filing date	7/02/24
Publication status	Published - 14 Apr 2026
MoE publication type	H1 Granted patent

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 9 Industry, Innovation, and Infrastructure

Cite this

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abstract = "According to an example aspect of the present invention, there is provided a method for manufacturing a multi-ply fibre web structure from a cellulose-based material by combining two different web layer forming technologies, a foam-laid process and a dry-laid or an air-laid process, and wet-pressing thereby formed web layers together. Also described is a multi-ply fibre web structure manufactured by such method. Patent family as of 14.7.2026 FI132012 B, FI20245123 A, WO25168884 A1",

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AU - Kiiskinen, Harri

AU - Asikainen, Jaakko

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N2 - According to an example aspect of the present invention, there is provided a method for manufacturing a multi-ply fibre web structure from a cellulose-based material by combining two different web layer forming technologies, a foam-laid process and a dry-laid or an air-laid process, and wet-pressing thereby formed web layers together. Also described is a multi-ply fibre web structure manufactured by such method. Patent family as of 14.7.2026 FI132012 B, FI20245123 A, WO25168884 A1

AB - According to an example aspect of the present invention, there is provided a method for manufacturing a multi-ply fibre web structure from a cellulose-based material by combining two different web layer forming technologies, a foam-laid process and a dry-laid or an air-laid process, and wet-pressing thereby formed web layers together. Also described is a multi-ply fibre web structure manufactured by such method. Patent family as of 14.7.2026 FI132012 B, FI20245123 A, WO25168884 A1

UR - https://fi.espacenet.com/publicationDetails/biblio?II=0&ND=3&adjacent=true&locale=fi_FI&FT=D&date=20250814&CC=WO&NR=2025168884A1&KC=A1

M3 - Patent

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ER -

Wet and dry forming of multi-ply web

Abstract

UN SDGs

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