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:
Sep. 29, 1981
Filed:
May. 30, 1979
Applicant:
Inventor:
William L Ko, Lancaster, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B64C / ; B64C / ;
U.S. Cl.
CPC ...
428593 ; 228157 ; 244119 ; 244123 ; 428604 ; 428594 ;
Abstract
A structure particularly suited for use in aerospace industries comprising a base plate, a cover plate, and an orthogonally corrugated core including a pair of core plates formed of a superplastic alloy interposed between the base plate and the cover plate, in sandwiched relation therewith and bonded thereto, each of the core plates being characterized by a plurality of protrusions comprising square-based, truncated pyramids uniformly aligned along orthogonally related axes perpendicularly bisecting the legs of the bases of the pyramids and alternately inverted along orthogonally related planes diagonally bisecting the pyramids, whereby an orthogonally corrugated core is provided.