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:
Dec. 11, 2018
Filed:
Mar. 17, 2015
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
William Thomas Kline, Burien, WA (US);
Christopher Gary Harris, Auburn, WA (US);
Andrew M. Hopkins, Salt Lake City, UT (US);
Donald John Sutkus, Jr., Mercer Island, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/56 (2006.01); B29C 70/34 (2006.01); B29C 43/36 (2006.01); B29C 70/54 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B29C 43/3642 (2013.01); B29C 70/342 (2013.01); B29C 70/541 (2013.01); B29C 70/56 (2013.01); B29C 2043/3644 (2013.01); B29L 2009/00 (2013.01);
Abstract
Ply wrinkling during hot drape forming of a composite laminate is reduced at outside corner radii of a forming tool. First and second tensioning materials placed between a composite laminate charge and the forming tool maintain the laminate charge in tension at the radius corners as the charge is formed down over corner radii.