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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.:

US 11020910 B1

PDFFull Text
Expired
Date of Patent:
Jun. 01, 2021

Filed:

May. 13, 2016

System and method of constructing composite structures without tooling dams

Applicant:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Inventors:

Amarjit Olenchery Kizhakkepat, Fort Worth, TX (US);

Tyler Wayne Baldwin, Keller, TX (US);

Edward Wei-Yueh Lee, Arlington, TX (US);

Assignee:

BELL HELICOPTER TEXTRON INC., Fort Worth, TX (US);

Attorneys:

Edwin S. Flores

Daniel J. Chalker

Chalker Flores, LLP

Primary Examiner:

Scott W Dodds

Int. Cl.
CPC ...
B29C 70/54 (2006.01); B29C 65/02 (2006.01); B29C 70/34 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
B29C 65/02 (2013.01); B29C 70/342 (2013.01); B29C 70/54 (2013.01); B29C 70/545 (2013.01); B29C 2793/009 (2013.01); B29C 2793/0027 (2013.01); B29L 2031/3076 (2013.01);
Abstract

The present invention includes methods of preparing a composite structure comprising: placing a first ply of a fibrous material with a curable material on a layup tool; adding one or more additional plies on the first ply, wherein each of the one or more additional plies has a perimeter that is different in size around the perimeter than a previous ply to form a taper; and curing the composite structure, wherein the curable material is selected to minimize, limit, control, or eliminate the outflow of the curable material along the perimeter of the composite structure during the curing step.

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Kizhakkepat, Amarjit. (2021). System and method of constructing composite structures without tooling dams (U.S. Patent No. 11020910). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11020910

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