Method of winding a wind turbine blade using a filament reinforc

Details Method of winding a wind turbine blade using a filament reinforc Method of winding a wind turbine blade using a filament reinforc

1979-02-02

1980-12-30

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

291568H, 138156, 156425, 416226, 416230, 428398, B65H 8100, F03D 106

Patent

active

042421608

ABSTRACT:
A hollow, stiff, one-piece filament-reinforced composite mandrel of nonuniform wall thickness for a wind turbine blade spar is comprised of bonded inner and outer filament-reinforced shells. The inner shell is fabricated by bonding together separately formed tubular halves. The outer shell is built up on the outer surface of the inner shell preferably by judicious winding of a plurality of turns of filament-reinforced epoxy resin material.

REFERENCES:
patent: 2878038 (1959-03-01), Noland
patent: 3593398 (1971-07-01), Hess
patent: 3896858 (1975-07-01), Whatley
patent: 4081220 (1978-03-01), Andrews
patent: 4172175 (1978-10-01), Pearson

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