Method of making helicopter blade spars

Details Method of making helicopter blade spars Method of making helicopter blade spars

1982-01-06

1983-10-04

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

291568R, 291568B, 291568P, 156245, 156250, 156500, 156510, 416226, 416229R, 416230, B29C 2300

Patent

active

044076886

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.

REFERENCES:
patent: 3057767 (1962-10-01), Kaplan
patent: 3943020 (1976-03-01), Ashton et al.

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