Method of producing a pulp product

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12195923
APP PUB NO 20230392322A1
SERIAL NO

18235121

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Abstract

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A method of producing a 3D molded product comprises applying a pulp slurry layer to a porous forming face of a first mold, pressing the pulp slurry layer against the porous forming face of the first mold, while heating the pulp slurry layer and drawing a vacuum through the porous forming face of the first mold, transferring the pulp slurry layer to a porous forming face of a second mold, in a subsequent forming step, pressing the pulp slurry layer against the porous forming face of the second mold, while heating the pulp slurry layer and drawing a vacuum through the porous forming face of the second mold. In the method, a first pressure at the rear side of the forming face of the porous forming face of the first mold is lower than a second pressure at the rear side of the porous forming face of the second mold.

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Patent Owner(s)

Patent OwnerAddress
CELWISE ABFRIDHEMSVÄGEN 3 NORRKÖPING 602 13

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pierce, David Norrköping, SE 28 417

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