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:
Apr. 11, 1978
Filed:
Jul. 25, 1977
Applicant:
Inventors:
William Rendall Johnson, Kent, WA (US);
Ralph Raleigh Welsh, Bellevue, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
B31F / ; B31F / ;
U.S. Cl.
CPC ...
428119 ; 52734 ; 156210 ; 428178 ; 428182 ; 428184 ;
Abstract
The invention disclosed is (1) a sine wave web for structural elements made of composite materials, (2) structural combinations incorporating the web, and (3) a method of manufacturing the web. The concept disclosed avoids bunching and distortion of the fibers of the composite web material as it is shaped and flanged for attachment to adjacent structure, such as the chords and capstrips of an I-beam.