INSPECTION METHODS AND SYSTEMS FOR DETECTING LEAKS IN VACUUM BAG ASSEMBLIES
The invention provides inspection methods and systems for detecting leaks in a vacuum bag assembly (11) used in the manufacture of a composite part based in spraying helium over the vacuum bag (31) and detecting the helium dragged by the vacuum inside the vacuum bag (31) through a leak. The inspecti...
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| creator | Gordo Arias, Ángel Pablo Perez Pastor, Augusto Galera Cordoba, Georgina Miguez Charines, Yolanda Jordan Carnicero, Francisco Javier Álvarez Antonon, Laura |
| description | The invention provides inspection methods and systems for detecting leaks in a vacuum bag assembly (11) used in the manufacture of a composite part based in spraying helium over the vacuum bag (31) and detecting the helium dragged by the vacuum inside the vacuum bag (31) through a leak. The inspection methods comprise creating a local helium atmosphere in a chamber (55) over the vacuum bag assembly (11) by zones following a programmed zonal sequence for a first leak detection test of each zone and a subsequent second leak detection test if the first test gives a positive result. The inspection systems comprise a helium spraying system (61) and a helium detecting equipment arranged to implement said inspection methods. |
| format | Patent |
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The inspection methods comprise creating a local helium atmosphere in a chamber (55) over the vacuum bag assembly (11) by zones following a programmed zonal sequence for a first leak detection test of each zone and a subsequent second leak detection test if the first test gives a positive result. The inspection systems comprise a helium spraying system (61) and a helium detecting equipment arranged to implement said inspection methods.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MEASURING PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | INSPECTION METHODS AND SYSTEMS FOR DETECTING LEAKS IN VACUUM BAG ASSEMBLIES |
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