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. 15, 2019
Filed:
Apr. 04, 2014
Vestas Wind Systems A/s, Aarhus N., DK;
Robert Hunter, Cowes, GB;
Vestas Wind Systems A/S, Aarhus N., DK;
Abstract
A method for making a root section () of a wind turbine blade (), the method comprising: providing a fiber preform () comprising the steps of: providing at least one first ply of dry reinforcing material (); placing a stiffening strip () on the at least one first ply of dry reinforcing material; placing at least one second ply of dry reinforcing material on the stiffening strip to form a stack; and binding the stack together along binding rows (); the method further comprising placing the fiber preform on a curved mold surface such that the binding rows and the stiffening strip are orientated in a chordwise direction; wherein the stiffening strip has a stiffness such that the stack is self-supporting so that the stack does not buckle when laid on the curved mold surface.