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. 17, 1987
Filed:
Oct. 16, 1984
Applicant:
Inventors:
Fiorenzo Mussi, Milan, IT;
Emilio Pariani, Cardano al Campo, IT;
Assignee:
Costruzioni Aeronautiche Giovanni Agusta, S.p.A., Varese, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21K / ; B23P / ; B23P / ;
U.S. Cl.
CPC ...
156245 ; 416226 ; 416230 ; 264258 ;
Abstract
There is disclosed a longitudinal member for a helicopter blade made by placing inside an open mold an open outer covering on which covering and in contact with are arranged a number of uncured axial straps which define top and bottom backs of the longitudinal member itself; the straps being compacted, prior to closure of the mold, against a center core and a front nose by inserting a rear element made of prehardened synthetic composite material, the rear element having an essentially C-shaped section and the opposite side edges of the outer covering being folded thereover prior to closure of the mold.