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:
Jun. 23, 2020
Filed:
Mar. 06, 2018
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Forouzan Behzadpour, Woodinville, WA (US);
Jiangtian Cheng, Mukilteo, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 1/06 (2006.01); B64C 3/18 (2006.01); B64C 3/26 (2006.01); B64C 1/12 (2006.01); B64F 5/10 (2017.01); B64C 1/00 (2006.01);
U.S. Cl.
CPC ...
B64C 1/064 (2013.01); B64C 1/12 (2013.01); B64C 3/182 (2013.01); B64C 3/26 (2013.01); B64F 5/10 (2017.01); B64C 2001/0072 (2013.01);
Abstract
Stringer stiffened composite panels having improved pull-off strength are disclosed. An example stringer includes a first surface, a second surface, an edge, and a chamfer. The second surface is located opposite the first surface and is to be coupled to a composite structure of an aircraft. The edge extends from the second surface toward the first surface. The chamfer extends from the first surface to the edge at an angle between twelve and eighteen degrees relative to the first surface.