Title:
METHOD FOR MANUFACTURING A COMPOSITE ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/174887
Kind Code:
A3
Abstract:
The present invention relates to a method for manufacturing a composite article. The method comprises the steps of providing at least one sheet comprising a composite material, wherein the composite material comprises cellulosic fibers and a composite agent selected from the group of: thermoset resins, reactive thermoplastic resins, cellulose, hemicellulose, nanocellulose, lignin, bio-based polymers, substituted and non substituted furan, polyfurfuryl alcohol, and combinations thereof, applying a liquid to at least one of the at least two sheets, wherein the liquid forms a liquid pattern on the at least one sheet, arranging the at least two sheets on top of each other to form a stack of sheets, and pressing the stack of sheets in a pressing tool to form the composite article, wherein parts of the at least one sheet being applied with liquid becomes brighter than parts not being applied with liquid, such that the liquid pattern forms an integrated image shaped as the liquid pattern in the formed composite article.
Inventors:
BERGSTRÖM ANDERS (SE)
BREITHOLTZ ANDERS (SE)
BREITHOLTZ ANDERS (SE)
Application Number:
PCT/EP2023/056373
Publication Date:
November 09, 2023
Filing Date:
March 13, 2023
Export Citation:
Assignee:
PAPERSHELL AB (SE)
International Classes:
B27N3/00; B27N3/04; B27N3/18; B27N5/00; B29C53/04; B29C53/84; B29C70/12; B29C70/54; B31F1/00; B31F1/20; B31F1/28; B31F5/04; B32B37/06; B32B37/10; B32B37/16; B42D25/305; B42D25/346; B42D25/36; B42D25/405; B42D25/45; B44C1/24; B44C3/00; B44C3/02; B44C3/08; D21F11/00; H05K1/02; H05K1/03
Foreign References:
| DE102006014049A1 | 2007-10-11 | |||
| US20180281493A1 | 2018-10-04 | |||
| US20210053249A1 | 2021-02-25 | |||
| US20080197536A1 | 2008-08-21 | |||
| DE102014110587A1 | 2016-01-28 | |||
| US20120276337A1 | 2012-11-01 | |||
| SE354493B | 1973-03-12 |
Attorney, Agent or Firm:
AWA SWEDEN AB (SE)
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