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:
Sep. 10, 2019
Filed:
Aug. 10, 2015
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Joshua A. Breon, Lafayette, IN (US);
Mario Dipreta, Milford, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/22 (2006.01); B29C 70/32 (2006.01); B29D 99/00 (2010.01); B64C 27/473 (2006.01); B29L 31/08 (2006.01); B29K 105/08 (2006.01);
U.S. Cl.
CPC ...
B29C 70/222 (2013.01); B29C 70/32 (2013.01); B29D 99/0028 (2013.01); B64C 27/473 (2013.01); B29K 2105/0881 (2013.01); B29L 2031/082 (2013.01); B64C 2027/4736 (2013.01);
Abstract
A blade element is provided and includes courses of bias plies continuously machine-wrapped about leading and trailing edges at an angle relative to a long axis of the blade axis and unidirectional plies interwoven in parallel with the long axis between adjacent courses of the bias plies on upper and lower surfaces to promote respective tangential geometries of the bias plies at the leading and trailing edges, the unidirectional plies not extending into the leading and trailing edges.