DISPOSITIF ET PROCEDE DE REALISATION DE SURFACES STRUCTUREES DANS DES CONDUITES EN VUE DE REDUIRE LA TRAINEE AERODYNAMIQUE
The expansible part has bladder with double casing placed longitudinally along the axis of a tube, a ring and transformation zone. The structuration is done either on the casing of the bladder or on a film placed on the bladder. The annular space of the casing is decreased using an intermediate casi...
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Format: | Patent |
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Zusammenfassung: | The expansible part has bladder with double casing placed longitudinally along the axis of a tube, a ring and transformation zone. The structuration is done either on the casing of the bladder or on a film placed on the bladder. The annular space of the casing is decreased using an intermediate casing of bladder pressurized after being placed in the tube. The bladder wall with increasing and constant thickness is in contact for impression following an internal increase in pressure with time. An independent claim is also included for structured surface preparation device. |
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