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:
Jan. 18, 2022
Filed:
Jul. 12, 2018
Applicant:
Swiss Krono Tec Ag, Lucerne, CH;
Inventors:
Norbert Kalwa, Horn-Bad Meinberg, DE;
Axel Siebert, Röbel, DE;
Assignee:
SWISS KRONO TEC AG, Lucerne, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B27N 3/18 (2006.01); B27N 3/14 (2006.01); B27N 3/06 (2006.01); B27N 7/00 (2006.01); B32B 37/24 (2006.01);
U.S. Cl.
CPC ...
B27N 3/18 (2013.01); B27N 3/14 (2013.01); B27N 3/06 (2013.01); B27N 7/005 (2013.01); B32B 2037/243 (2013.01); B32B 2307/554 (2013.01); B32B 2317/16 (2013.01);
Abstract
The disclosure relates to a method for producing a wooden composite material board, in particular an MDF or HDF board, wherein a cake made of wood chips or wood fibres wetted with a binder is spread, which is subsequently pressed in a hot press to form a board of a desired thickness, wherein, before the pressing, a mixed powder made of colour pigments and a second binder is spread onto an upper side of the cake as a primer, wherein the cake is sprayed with water after the spreading of the mixed powder.