Method for producing a cellulose product

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United States of America

PATENT NO 12138830
APP PUB NO 20230321878A1
SERIAL NO

18210533

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Abstract

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A method for producing a cellulose product from a multi-layer cellulose blank structure, wherein the method comprises the steps; forming the multi-layer cellulose blank structure from at least a first layer of dry-formed cellulose fibres and a second layer of a cellulose fibre web structure, through arranging the at least first layer and second layer in a superimposed relationship to each other and in the superimposed relationship arranging the at least first layer and second layer in contact with each other; arranging the multi-layer cellulose blank structure in a forming mould; heating the multi-layer cellulose blank structure to a forming temperature in the range of 100° C. to 300° C., and forming the cellulose product from the multi-layer cellulose blank structure in the forming mould, by pressing the heated multi-layer cellulose blank structure with an isostatic forming pressure of at least 1 MPa, preferably 4-20 MPa, wherein the multi-layer cellulose blank structure is shaped into a two-dimensional or three-dimensional fibre composite structure having a single-layer configuration.

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Patent Owner(s)

Patent OwnerAddress
PULPAC AB421 31 VÄSTRA FRÖLUNDA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Larsson, Linus Gothenburg, SE 24 35
Larsson, Ove Västra Frölunda, SE 34 300

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