Dry preform, annular structure made of a composite material, and manufacturing method for the annular structure

Provided is a first reinforcing fiber layer (11) formed of reinforcing fibers which are wound around an outer periphery of a mandrel (20), aligned in parallel to a direction (+¸ direction) in which the reinforcing fibers intersect with an annular direction (0° direction) of the mandrel (20), and sea...

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Bibliographic Details
Main Authors HIROKAWA, TETSURO, NISHIYAMA, SHIGERU
Format Patent
LanguageEnglish
French
German
Published 26.09.2012
Subjects
AEROPLANES
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
MAKING GRANULES OR PREFORMS
PERFORMING OPERATIONS
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED
RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:Provided is a first reinforcing fiber layer (11) formed of reinforcing fibers which are wound around an outer periphery of a mandrel (20), aligned in parallel to a direction (+¸ direction) in which the reinforcing fibers intersect with an annular direction (0° direction) of the mandrel (20), and seamlessly continue in the annular direction of the mandrel (20) by an amount of at least one rotation.
Bibliography:Application Number: EP20120401045