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:
Mar. 09, 2021
Filed:
May. 25, 2016
Applicant:
The Boeing Company, Chicago, IL (US);
Inventor:
Thomas A. Dean, Maple Valley, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/26 (2006.01); C21D 9/00 (2006.01); C22F 1/04 (2006.01); C22F 1/10 (2006.01); C22F 1/18 (2006.01);
U.S. Cl.
CPC ...
C21D 1/26 (2013.01); C21D 9/0068 (2013.01); C22F 1/04 (2013.01); C22F 1/10 (2013.01); C22F 1/183 (2013.01);
Abstract
A sandwich structure forming method including the steps of (1) providing a sandwich structure comprising a core positioned between a first liner sheet and a second liner sheet; (2) positioning the sandwich structure into a cavity of a die assembly; and (3) pressurizing the core to expand the sandwich structure into engagement with the die assembly.