Device and method for making structured surfaces in pipes to reduce the aerodynamic drag

The invention relates to a method for making structured surfaces within pipes ( 1 ) lined with a coating and wherein fluids such as gas, hydrocarbons or water circulate. The invention consists in irreversibly deforming, during baking and/or drying, the coating internally applied by impression, via e...

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Bibliographische Detailangaben
Hauptverfasser:	GAUTREAU NICOLAS, DUVAL SEBASTIEN, CHARRON YVES
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method for making structured surfaces within pipes ( 1 ) lined with a coating and wherein fluids such as gas, hydrocarbons or water circulate. The invention consists in irreversibly deforming, during baking and/or drying, the coating internally applied by impression, via expandable means ( 16 ), for example a rubber bladder whose outer surface bears the structurations.