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:
Sep. 12, 2023

Filed:

May. 13, 2022
Applicant:

The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);

Inventors:

Stephen W. Tsai, Honolulu, HI (US);

Chuanxiang Zheng, Hangzhou, CN;

Surajit Roy, Long Beach, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/14 (2006.01); B29C 70/30 (2006.01); F03D 1/06 (2006.01); B64C 11/26 (2006.01); B29L 31/08 (2006.01);
U.S. Cl.
CPC ...
B29C 70/304 (2021.05); B64C 11/26 (2013.01); F03D 1/0675 (2013.01); B29K 2995/0094 (2013.01); B29L 2031/085 (2013.01); B32B 3/14 (2013.01); F05B 2230/60 (2013.01);
Abstract

An octogrid structure and method of forming the same for a composite laminate structure is provided. The octogrid sub-structure comprises: a first ply layer comprising a plurality of first elongate tapes oriented in a first direction and a plurality of second elongate tapes oriented in a second direction; and a second ply layer comprising a plurality of third elongate tapes oriented in the first direction and a plurality of fourth elongate tapes oriented in the second direction, the second ply layer being overlaid atop the first ply layer. A first end of each of the elongate tapes is positioned approximately adjacent a midpoint of an adjacently positioned one of the elongate tapes; and a second and opposing end of each of elongate tapes extends freely beyond a central grid portion defined by a length of a portion between the first end and the midpoint of the elongate tapes.


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