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.

Date of Patent:
Jul. 09, 2019

Filed:

Aug. 01, 2014
Applicant:

Wobben Properties Gmbh, Aurich, DE;

Inventors:

Benjamin Theile, Oldenburg, DE;

Alexander Hoffmann, Emden, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); B32B 25/04 (2006.01); B32B 25/08 (2006.01); B32B 25/10 (2006.01); B32B 25/14 (2006.01); B32B 25/16 (2006.01); B32B 27/32 (2006.01); B32B 37/18 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0675 (2013.01); B32B 25/042 (2013.01); B32B 25/08 (2013.01); B32B 25/10 (2013.01); B32B 25/14 (2013.01); B32B 25/16 (2013.01); B32B 27/32 (2013.01); B32B 37/182 (2013.01); B32B 2250/24 (2013.01); B32B 2260/021 (2013.01); B32B 2260/048 (2013.01); B32B 2262/101 (2013.01); B32B 2307/554 (2013.01); B32B 2307/558 (2013.01); B32B 2307/714 (2013.01); B32B 2307/734 (2013.01); B32B 2603/00 (2013.01); Y02E 10/721 (2013.01); Y02E 10/726 (2013.01); Y02P 70/523 (2015.11);
Abstract

A rotor blade element, in particular produced by a process according to claimin particular a rotor blade edge for a wind turbine, with a base comprising a fiber material saturated with curable resin and with a surface foil, with, arranged between base and surface foil, a bonding layer. The invention proposes that the surface foil comprises polyethylene with ultra-high molecular weight and that the bonding layer comprises a first rubber layer and a second rubber layer, where the first rubber layer is allocated to the surface foil and the second rubber layer is allocated to the base.


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