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:
Aug. 27, 2019
Filed:
Jul. 12, 2017
Applicant:
University of Iceland, Reykjavik, IS;
Inventors:
Solrun Traustadottir, Hafnarfjordur, IS;
Andri Orrason, Mosfellsbaer, IS;
Assignee:
UNIVERSITY OF ICELAND, , IS;
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/34 (2006.01); B29C 70/54 (2006.01); B29D 99/00 (2010.01); F01D 5/28 (2006.01); B29L 31/08 (2006.01); B29K 627/18 (2006.01); B29K 705/00 (2006.01); B64C 11/26 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
B29C 70/342 (2013.01); B29C 70/545 (2013.01); B29D 99/0028 (2013.01); B29K 2307/04 (2013.01); B29K 2627/18 (2013.01); B29K 2705/00 (2013.01); B29L 2031/082 (2013.01); B64C 11/26 (2013.01); F01D 5/282 (2013.01); F05D 2230/10 (2013.01); F05D 2230/20 (2013.01); F05D 2300/17 (2013.01);
Abstract
The invention provides a method of molding composite material aerofoil, comprising steps of (i) providing a mold having the desired three-dimensional shape; (ii) providing a first layer over the mold that adheres to the mold and has a non-adhesive outer surface; (iii) applying composite material over the first layer; (iv) laying a moldable sheet over the composite material; (v) curing the resulting assembly and (vi) removing the moldable sheet and mold to leave an intact one-piece aerofoil structure.