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:
Oct. 19, 2010
Filed:
Nov. 20, 2003
Niaz Irekovich Akishev, Kazan, RU;
Ildus Muhametgaleevich Zakirov, Kazan, RU;
Alexandr Vladimirovich Nikitin, Kazan, RU;
Niaz Irekovich Akishev, Kazan, RU;
Ildus Muhametgaleevich Zakirov, Kazan, RU;
Alexandr Vladimirovich Nikitin, Kazan, RU;
Otkrytoe Aktsionernoe Obschestvo “Kazansky Nauchno-Isledovatelsky Institut Aviatsionnoi Tekhnologii”, Kazan, RU;
Airbus, Blagnac Cedex, FR;
Abstract
A method for production of sandwich panels having a zigzag corrugated core made from sheet material to be used in aircraft construction, shipbuilding, and other branches of industry. The method improves the quality and ease of sheet blank folding into a 3-D relief structure. Folds are made in the sheet blank at locations of crimp zigzag lines protrusions and recesses. Holes are punched in the sheet with a diameter of the holes being greater than or equal to a sheet blank bending radius.