Hollow tubular structures of fibre reinforced plastics material and method for their production

Composite tubes of non-circular cross-section, e.g. a box section, are formed by providing a thin, circular section plastics or metal (e.g. aluminium) tube (2) with an uncured GRP coating (1), reshaping the cross-section of the tube e.g. in a die and the applied uncured coating, and curing the resha...

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Bibliographische Detailangaben
1. Verfasser:	JOHN COPPENDALE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Composite tubes of non-circular cross-section, e.g. a box section, are formed by providing a thin, circular section plastics or metal (e.g. aluminium) tube (2) with an uncured GRP coating (1), reshaping the cross-section of the tube e.g. in a die and the applied uncured coating, and curing the reshaped coating with the tube still in situ. The GRP coating (1) may be applied by wrapping or drawing a sleeve over the tube (2).