The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 09, 2016
Filed:
Jan. 29, 2010
Applicants:
Liisa Lehtinen, Lahti, FI;
Piia Peltola, Hämeenlinna, FI;
Risto Laaksonen, Lahti, FI;
Inventors:
Assignee:
UPM-Kymmene Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 17/00 (2006.01); B27N 1/02 (2006.01); C08J 5/06 (2006.01); B29K 711/12 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B29B 17/00 (2013.01); B27N 1/02 (2013.01); C08J 5/06 (2013.01); B29K 2711/123 (2013.01); B29L 2007/005 (2013.01); B29L 2009/00 (2013.01); Y02W 30/62 (2015.05);
Abstract
The invention relates to a process for manufacturing composite material which contains fiber based and polymer based material, wherein the manufacture includes a preliminary treatment process to form a raw stock mixture. According to the invention, the preliminary treatment process includes a hot-cold mixing device which comprises at least a heating stage, and that raw stock, which contains lignin-free material, and a coupling agent are fed to the mixing device to form the raw stock mixture, and adhesion between fiber based and polymer based substances of the raw stock is ameliorated by the coupling agent.