Method of making helicopter blade spars
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United States of America Patent
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Oct 4, 1983
Grant Date -
N/A
app pub date -
Jan 6, 1982
filing date -
Feb 5, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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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