Self-repairing structure

This invention relates to a structure which comprises hollow and solid fibre material embedded in a resin matrix where a repair facility is provided for repairing fractures in the fibres and in the resin matrix by the use of curable two-part adhesive compositions in some of the fibres of the structu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DUNLEAVY, MICHEAL, HAQ, SAJAD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS 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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Beschreibung
Zusammenfassung:	This invention relates to a structure which comprises hollow and solid fibre material embedded in a resin matrix where a repair facility is provided for repairing fractures in the fibres and in the resin matrix by the use of curable two-part adhesive compositions in some of the fibres of the structure. Single fibres (58) can be deployed within the structure where each single fibre (58) carries one component of the composition and the fibre itself is coated along its exterior with the second component (60) so that in the event of fracture of any fibres, the component parts of the adhesive composition can combine and cure in situ to fill and 'heal' the fracture. The invention has particular but not exclusive application to in 'flight' repair of aircraft components which are formed by such structures, and can also be used in the manufacture of fabric materials.