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Title: Method of making helicopter blade spars

Abstract: A method for making helicopter blade spars in which a tape of reinforced resin is laid up with a continuous circulatory movement along an annular path defined by a lateral surface of a former of a forming mould in such a way as to define an annular body constituted by two ribs of the spar, rigidly connected together and opposite one another; each rib being subsequently separated from the other by cutting the said annular body.


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Inventors: Mussi, Fiorenzo (Milan, IT)
Pariani, Emilio (Cardano al Campo, IT)

Application Number: 06/337443
Filing Date: 1982-01-06
Publication_date: 1983-10-04
Assignee: Agusta, Aeronaut Costr (IT)

Primary Class(es): 156/242 156/500, 156/250, 29/889.600, 416/229R, 416/226, 156/
Other Classes: B29D31/00; B64C27/473; B64C27/32; B29C23/00
US Patent Ref:
3057767October, 1962Kaplan156/245
3943020March, 1976Ashton et al.416/226

Other Refs:
Primary Examiner: Weston, Caleb
Assistant Examiner:
Attorney: Kane, Dalsimer Kane Sullivan And Kurucz
Claims: