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:
Jul. 29, 2025
Filed:
Oct. 04, 2018
Applicant:
Etex Services NV, Kapelle-op-den-Bos, BE;
Inventors:
Ruben Bordin, Mechelen, BE;
Bertrand Van Acoleyen, Kapelle-op-den-Bos, BE;
Assignee:
ETEX SERVICES NV, Kapelle-op-den-Bos, BE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 18/24 (2006.01); B28B 1/52 (2006.01); C04B 14/06 (2006.01); C04B 14/18 (2006.01); C04B 28/02 (2006.01); C04B 40/00 (2006.01);
U.S. Cl.
CPC ...
C04B 18/243 (2013.01); B28B 1/522 (2013.01); B28B 1/525 (2013.01); C04B 14/06 (2013.01); C04B 14/185 (2013.01); C04B 28/02 (2013.01); C04B 40/0064 (2013.01);
Abstract
The present invention relates to fiber cement products comprising an inner core material, which inner core material is covered by at least one outer surface layer, characterized in that:—said inner core material has a density of between about 0.4 and about 0.9 g/cminclusive, and at least comprises cement and between 1 wt % and 70 wt % (with respect to the total dry weight of said inner core material) of a lightweight filler, and—said at least one outer surface layer has a density of between about 0.9 and about 1.4 g/cminclusive, and at least comprises fibers and cement.