Method of forming a fibrous product

Harri Kiiskinen; Esa Torniainen; Karita Kinnunen-Raudaskoski

Method of forming a fibrous product

Harri Kiiskinen (Inventor), Esa Torniainen (Inventor), Karita Kinnunen-Raudaskoski (Inventor)

BA3501 Fibre web processes

Research output: Patent › Patent

Abstract

The present invention relates to a method of forming a molded fibrous product, comprising the steps of foaming an aqueous suspension of natural fibers, optionally in combination with synthetic fibers, to provide a first fibrous foam, a surfactant may be added to aid the foaming, feeding the fibrous foam into a mold, mechanically withdrawing a part of the water contained in the foam to produce a solidified, moist fibrous composition, and evaporating water from the solidified, moist fibrous composition to produce a dry fibrous product.

Original language	English
Patent number	US10259151B2
IPC	B29C33/42,B29C67/20,C08J9/00,C08J9/30,D21H21/24,D21H21/56
Priority date	13/09/13
Filing date	15/09/14
Publication status	Published - 30 Apr 2016
MoE publication type	H1 Granted patent

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https://patents.google.com/patent/US10259151B2/

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abstract = "The present invention relates to a method of forming a molded fibrous product, comprising the steps of foaming an aqueous suspension of natural fibers, optionally in combination with synthetic fibers, to provide a first fibrous foam, a surfactant may be added to aid the foaming, feeding the fibrous foam into a mold, mechanically withdrawing a part of the water contained in the foam to produce a solidified, moist fibrous composition, and evaporating water from the solidified, moist fibrous composition to produce a dry fibrous product.",

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AU - Torniainen, Esa

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N2 - The present invention relates to a method of forming a molded fibrous product, comprising the steps of foaming an aqueous suspension of natural fibers, optionally in combination with synthetic fibers, to provide a first fibrous foam, a surfactant may be added to aid the foaming, feeding the fibrous foam into a mold, mechanically withdrawing a part of the water contained in the foam to produce a solidified, moist fibrous composition, and evaporating water from the solidified, moist fibrous composition to produce a dry fibrous product.

AB - The present invention relates to a method of forming a molded fibrous product, comprising the steps of foaming an aqueous suspension of natural fibers, optionally in combination with synthetic fibers, to provide a first fibrous foam, a surfactant may be added to aid the foaming, feeding the fibrous foam into a mold, mechanically withdrawing a part of the water contained in the foam to produce a solidified, moist fibrous composition, and evaporating water from the solidified, moist fibrous composition to produce a dry fibrous product.

UR - https://patents.google.com/patent/US10259151B2/

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