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:
Aug. 14, 2018

Filed:

Sep. 30, 2016
Applicant:

The Boeing Company, Chicago, IL (US);

Inventors:

Gabriel Z. Forston, Everett, WA (US);

Benjamin Wen-Jun Su, Everett, IL (US);

Russell Rufino, Ridley Park, PA (US);

Assignee:

The Boeing Company, Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); B29C 70/34 (2006.01); B29C 65/00 (2006.01); B29K 63/00 (2006.01); B29K 105/08 (2006.01); B29K 307/04 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
B29C 70/345 (2013.01); B29C 66/131 (2013.01); B29C 66/723 (2013.01); B29C 66/7212 (2013.01); B29K 2063/00 (2013.01); B29K 2105/0881 (2013.01); B29K 2307/04 (2013.01); B29L 2031/3085 (2013.01); Y10T 428/24099 (2015.01); Y10T 428/24124 (2015.01);
Abstract

A composite radius filler include a base portion and a tip portion. The base portion is formed of composite plies varying in overall width along an overall lengthwise direction and defining a variable cross-sectional shape of the base portion along the lengthwise direction. The base portion includes at least one transition zone having a transition start and a transition end along the lengthwise direction. The composite plies of the base portion are arranged in one or more stacks each stack having a predetermined fiber orientation angle sequence and a stack width that changes within the transition zone. The tip portion includes a plurality of composite plies formed into a generally triangular cross-sectional shape and stacked on top of the base portion.


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